1/* 2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3% % 4% % 5% % 6% W W M M FFFFF % 7% W W MM MM F % 8% W W W M M M FFF % 9% WW WW M M F % 10% W W M M F % 11% % 12% % 13% Read Windows Metafile Format % 14% % 15% Software Design % 16% Cristy % 17% December 2000 % 18% % 19% % 20% Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization % 21% dedicated to making software imaging solutions freely available. % 22% % 23% You may not use this file except in compliance with the License. You may % 24% obtain a copy of the License at % 25% % 26% http://www.imagemagick.org/script/license.php % 27% % 28% Unless required by applicable law or agreed to in writing, software % 29% distributed under the License is distributed on an "AS IS" BASIS, % 30% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 31% See the License for the specific language governing permissions and % 32% limitations under the License. % 33% % 34%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 35*/ 36 37/* 38 Include declarations. 39*/ 40#include "MagickCore/studio.h" 41#include "MagickCore/property.h" 42#include "MagickCore/blob.h" 43#include "MagickCore/blob-private.h" 44#include "MagickCore/color.h" 45#include "MagickCore/color-private.h" 46#include "MagickCore/constitute.h" 47#include "MagickCore/exception.h" 48#include "MagickCore/exception-private.h" 49#include "MagickCore/image.h" 50#include "MagickCore/image-private.h" 51#include "MagickCore/list.h" 52#include "MagickCore/log.h" 53#include "MagickCore/magick.h" 54#include "MagickCore/memory_.h" 55#include "MagickCore/monitor.h" 56#include "MagickCore/monitor-private.h" 57#include "MagickCore/paint.h" 58#include "MagickCore/quantum-private.h" 59#include "MagickCore/static.h" 60#include "MagickCore/string_.h" 61#include "MagickCore/module.h" 62#include "MagickCore/type.h" 63#include "MagickCore/module.h" 64#include "MagickWand/MagickWand.h" 65 66#if defined(__CYGWIN__) 67#undef MAGICKCORE_SANS_DELEGATE 68#endif 69 70#if defined(MAGICKCORE_SANS_DELEGATE) 71#include "libwmf/api.h" 72#include "libwmf/eps.h" 73 74/* 75%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 76% % 77% % 78% % 79% R e a d W M F I m a g e % 80% % 81% % 82% % 83%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 84% 85% ReadWMFImage() reads an Windows Metafile image file and returns it. It 86% allocates the memory necessary for the new Image structure and returns a 87% pointer to the new image. 88% 89% The format of the ReadWMFImage method is: 90% 91% Image *ReadWMFImage(const ImageInfo *image_info,ExceptionInfo *exception) 92% 93% A description of each parameter follows: 94% 95% o image_info: the image info. 96% 97% o exception: return any errors or warnings in this structure. 98% 99*/ 100 101static int WMFReadBlob(void *image) 102{ 103 return(ReadBlobByte((Image *) image)); 104} 105 106static int WMFSeekBlob(void *image,long offset) 107{ 108 return((int) SeekBlob((Image *) image,(MagickOffsetType) offset,SEEK_SET)); 109} 110 111static long WMFTellBlob(void *image) 112{ 113 return((long) TellBlob((Image*) image)); 114} 115 116static Image *ReadWMFImage(const ImageInfo *image_info,ExceptionInfo *exception) 117{ 118 char 119 filename[MagickPathExtent]; 120 121 int 122 unique_file; 123 124 FILE 125 *file; 126 127 Image 128 *image; 129 130 ImageInfo 131 *read_info; 132 133 MagickBooleanType 134 status; 135 136 size_t 137 flags; 138 139 wmfAPI 140 *wmf_info; 141 142 wmfAPI_Options 143 options; 144 145 wmfD_Rect 146 bounding_box; 147 148 wmf_eps_t 149 *eps_info; 150 151 wmf_error_t 152 wmf_status; 153 154 /* 155 Read WMF image. 156 */ 157 image=AcquireImage(image_info,exception); 158 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 159 if (status == MagickFalse) 160 { 161 image=DestroyImageList(image); 162 return((Image *) NULL); 163 } 164 wmf_info=(wmfAPI *) NULL; 165 flags=0; 166 flags|=WMF_OPT_IGNORE_NONFATAL; 167 flags|=WMF_OPT_FUNCTION; 168 options.function=wmf_eps_function; 169 wmf_status=wmf_api_create(&wmf_info,(unsigned long) flags,&options); 170 if (wmf_status != wmf_E_None) 171 { 172 if (wmf_info != (wmfAPI *) NULL) 173 wmf_api_destroy(wmf_info); 174 ThrowReaderException(DelegateError,"UnableToInitializeWMFLibrary"); 175 } 176 wmf_status=wmf_bbuf_input(wmf_info,WMFReadBlob,WMFSeekBlob,WMFTellBlob, 177 (void *) image); 178 if (wmf_status != wmf_E_None) 179 { 180 ipa_device_close(wmf_info); 181 wmf_api_destroy(wmf_info); 182 ThrowFileException(exception,FileOpenError,"UnableToOpenFile", 183 image->filename); 184 image=DestroyImageList(image); 185 return((Image *) NULL); 186 } 187 wmf_status=wmf_scan(wmf_info,0,&bounding_box); 188 if (wmf_status != wmf_E_None) 189 { 190 ipa_device_close(wmf_info); 191 wmf_api_destroy(wmf_info); 192 ThrowReaderException(DelegateError,"FailedToScanFile"); 193 } 194 eps_info=WMF_EPS_GetData(wmf_info); 195 file=(FILE *) NULL; 196 unique_file=AcquireUniqueFileResource(filename); 197 if (unique_file != -1) 198 file=fdopen(unique_file,"wb"); 199 if ((unique_file == -1) || (file == (FILE *) NULL)) 200 { 201 ipa_device_close(wmf_info); 202 wmf_api_destroy(wmf_info); 203 ThrowReaderException(FileOpenError,"UnableToCreateTemporaryFile"); 204 } 205 eps_info->out=wmf_stream_create(wmf_info,file); 206 eps_info->bbox=bounding_box; 207 wmf_status=wmf_play(wmf_info,0,&bounding_box); 208 if (wmf_status != wmf_E_None) 209 { 210 ipa_device_close(wmf_info); 211 wmf_api_destroy(wmf_info); 212 ThrowReaderException(DelegateError,"FailedToRenderFile"); 213 } 214 (void) fclose(file); 215 wmf_api_destroy(wmf_info); 216 (void) CloseBlob(image); 217 image=DestroyImage(image); 218 /* 219 Read EPS image. 220 */ 221 read_info=CloneImageInfo(image_info); 222 SetImageInfoBlob(read_info,(void *) NULL,0); 223 (void) FormatLocaleString(read_info->filename,MagickPathExtent,"eps:%s", 224 filename); 225 image=ReadImage(read_info,exception); 226 read_info=DestroyImageInfo(read_info); 227 if (image != (Image *) NULL) 228 { 229 (void) CopyMagickString(image->filename,image_info->filename, 230 MagickPathExtent); 231 (void) CopyMagickString(image->magick_filename,image_info->filename, 232 MagickPathExtent); 233 (void) CopyMagickString(image->magick,"WMF",MagickPathExtent); 234 } 235 (void) RelinquishUniqueFileResource(filename); 236 return(GetFirstImageInList(image)); 237} 238#elif defined(MAGICKCORE_WMF_DELEGATE) 239 240#define ERR(API) ((API)->err != wmf_E_None) 241#define XC(x) ((double) x) 242#define YC(y) ((double) y) 243 244#if !defined(M_PI) 245# define M_PI MagickPI 246#endif 247 248#if defined(MAGICKCORE_HAVE_FT2BUILD_H) 249# include <ft2build.h> 250#endif 251 252#include "libwmf/fund.h" 253#include "libwmf/types.h" 254#include "libwmf/api.h" 255#undef SRCCOPY 256#undef SRCPAINT 257#undef SRCAND 258#undef SRCINVERT 259#undef SRCERASE 260#undef NOTSRCCOPY 261#undef NOTSRCERASE 262#undef MERGECOPY 263#undef MERGEPAINT 264#undef PATCOPY 265#undef PATPAINT 266#undef PATINVERT 267#undef DSTINVERT 268#undef BLACKNESS 269#undef WHITENESS 270 271/* The following additinal undefs were required for MinGW */ 272#undef BS_HOLLOW 273#undef PS_STYLE_MASK 274#undef PS_ENDCAP_ROUND 275#undef PS_ENDCAP_SQUARE 276#undef PS_ENDCAP_FLAT 277#undef PS_ENDCAP_MASK 278#undef PS_JOIN_ROUND 279#undef PS_JOIN_BEVEL 280#undef PS_JOIN_MITER 281#undef PS_COSMETIC 282#undef PS_GEOMETRIC 283#undef PS_TYPE_MASK 284#undef STRETCH_ANDSCANS 285#undef STRETCH_ORSCANS 286#undef STRETCH_DELETESCANS 287#undef STRETCH_HALFTONE 288#undef ETO_OPAQUE 289#undef ETO_CLIPPED 290#undef ETO_GLYPH_INDEX 291#undef ETO_RTLREADING 292 293#include "libwmf/defs.h" 294#include "libwmf/ipa.h" 295#include "libwmf/color.h" 296#include "libwmf/macro.h" 297 298/* Unit conversions */ 299#define TWIPS_PER_INCH 1440 300#define CENTIMETERS_PER_INCH 2.54 301#define POINTS_PER_INCH 72 302 303#if defined(MAGICKCORE_WMF_DELEGATE) 304# define wmf_api_create(api,flags,options) wmf_lite_create(api,flags,options) 305# define wmf_api_destroy(api) wmf_lite_destroy(api) 306# undef WMF_FONT_PSNAME 307# define WMF_FONT_PSNAME(F) ((F)->user_data ? ((wmf_magick_font_t*) (F)->user_data)->ps_name : 0) 308 309typedef struct _wmf_magick_font_t wmf_magick_font_t; 310 311struct _wmf_magick_font_t 312{ 313 char* ps_name; 314 double pointsize; 315}; 316 317#endif 318 319typedef struct _wmf_magick_t wmf_magick_t; 320 321struct _wmf_magick_t 322{ 323 /* Bounding box */ 324 wmfD_Rect 325 bbox; 326 327 /* Scale and translation factors */ 328 double 329 scale_x, 330 scale_y, 331 translate_x, 332 translate_y, 333 rotate; 334 335 /* Vector output */ 336 DrawingWand 337 *draw_wand; 338 339 ExceptionInfo 340 *exception; 341 342 /* ImageMagick image */ 343 Image 344 *image; 345 346 /* ImageInfo */ 347 const ImageInfo 348 *image_info; 349 350 /* DrawInfo */ 351 DrawInfo 352 *draw_info; 353 354 /* Pattern ID */ 355 unsigned long 356 pattern_id; 357 358 /* Clip path flag */ 359 MagickBooleanType 360 clipping; 361 362 /* Clip path ID */ 363 unsigned long 364 clip_mask_id; 365 366 /* Push depth */ 367 long 368 push_depth; 369}; 370 371 372#define WMF_MAGICK_GetData(Z) ((wmf_magick_t*)((Z)->device_data)) 373#define WMF_MAGICK_GetFontData(Z) \ 374 ((wmf_magick_font_t*)((wmfFontData *)Z->font_data)->user_data) 375 376#define WmfDrawingWand (((wmf_magick_t*)((API)->device_data))->draw_wand) 377 378/* Enum to control whether util_set_brush applies brush to fill or 379 stroke. */ 380typedef enum 381{ 382 BrushApplyFill, 383 BrushApplyStroke 384} BrushApply; 385 386 387/* Enum to specify arc type */ 388typedef enum 389{ 390 magick_arc_ellipse = 0, 391 magick_arc_open, 392 magick_arc_pie, 393 magick_arc_chord 394} 395magick_arc_t; 396 397#if defined(MAGICKCORE_WMF_DELEGATE) 398static void lite_font_init (wmfAPI* API, wmfAPI_Options* options); 399static void lite_font_map(wmfAPI* API,wmfFont* font); 400static float lite_font_stringwidth(wmfAPI* API, wmfFont* font, char* str); 401#endif 402 403static void draw_fill_color_rgb(wmfAPI* API, const wmfRGB* rgb); 404static void draw_stroke_color_rgb(wmfAPI* API, const wmfRGB* rgb); 405static void draw_pattern_push(wmfAPI* API, unsigned long id, unsigned long columns, unsigned long rows); 406static int ipa_blob_read(void* wand); 407static int ipa_blob_seek(void* wand,long position); 408static long ipa_blob_tell(void* wand); 409static void ipa_bmp_draw(wmfAPI * API, wmfBMP_Draw_t * bmp_draw); 410static void ipa_bmp_free(wmfAPI * API, wmfBMP * bmp); 411static void ipa_bmp_read(wmfAPI * API, wmfBMP_Read_t * bmp_read); 412static void ipa_device_begin(wmfAPI * API); 413static void ipa_device_close(wmfAPI * API); 414static void ipa_device_end(wmfAPI * API); 415static void ipa_device_open(wmfAPI * API); 416static void ipa_draw_arc(wmfAPI * API, wmfDrawArc_t * draw_arc); 417static void ipa_draw_chord(wmfAPI * API, wmfDrawArc_t * draw_arc); 418static void ipa_draw_ellipse(wmfAPI * API, wmfDrawArc_t * draw_arc); 419static void ipa_draw_line(wmfAPI * API, wmfDrawLine_t * draw_line); 420static void ipa_draw_pie(wmfAPI * API, wmfDrawArc_t * draw_arc); 421static void ipa_draw_pixel(wmfAPI * API, wmfDrawPixel_t * draw_pixel); 422static void ipa_draw_polygon(wmfAPI * API, wmfPolyLine_t * poly_line); 423#if defined(MAGICKCORE_WMF_DELEGATE) 424static void ipa_draw_polypolygon(wmfAPI * API, wmfPolyPoly_t* polypolygon); 425#endif 426static void ipa_draw_rectangle(wmfAPI * API, wmfDrawRectangle_t * draw_rect); 427static void ipa_draw_text(wmfAPI * API, wmfDrawText_t * draw_text); 428static void ipa_flood_exterior(wmfAPI * API, wmfFlood_t * flood); 429static void ipa_flood_interior(wmfAPI * API, wmfFlood_t * flood); 430static void ipa_functions(wmfAPI * API); 431static void ipa_poly_line(wmfAPI * API, wmfPolyLine_t * poly_line); 432static void ipa_region_clip(wmfAPI * API, wmfPolyRectangle_t * poly_rect); 433static void ipa_region_frame(wmfAPI * API, wmfPolyRectangle_t * poly_rect); 434static void ipa_region_paint(wmfAPI * API, wmfPolyRectangle_t * poly_rect); 435static void ipa_rop_draw(wmfAPI * API, wmfROP_Draw_t * rop_draw); 436static void ipa_udata_copy(wmfAPI * API, wmfUserData_t * userdata); 437static void ipa_udata_free(wmfAPI * API, wmfUserData_t * userdata); 438static void ipa_udata_init(wmfAPI * API, wmfUserData_t * userdata); 439static void ipa_udata_set(wmfAPI * API, wmfUserData_t * userdata); 440static int magick_progress_callback(void* wand,float quantum); 441static void util_draw_arc(wmfAPI * API, wmfDrawArc_t * draw_arc,magick_arc_t finish); 442#if defined(MAGICKCORE_WMF_DELEGATE) 443/*static int util_font_weight( const char* font );*/ 444#endif 445static double util_pointsize( wmfAPI* API, wmfFont* font, char* str, double font_height, ExceptionInfo *); 446static void util_set_brush(wmfAPI * API, wmfDC * dc, const BrushApply brush_apply); 447static void util_set_pen(wmfAPI * API, wmfDC * dc); 448 449/* Progress callback */ 450int magick_progress_callback(void *context,float quantum) 451{ 452 Image 453 *image; 454 455 MagickBooleanType 456 status; 457 458 (void) quantum; 459 image=(Image *) context; 460 assert(image->signature == MagickCoreSignature); 461 status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 462 GetBlobSize(image)); 463 return(status != MagickFalse ? 0 : 1); 464} 465 466/* Set fill color */ 467static void draw_fill_color_string(DrawingWand *drawing_wand,const char *color) 468{ 469 PixelWand 470 *fill_color; 471 472 fill_color=NewPixelWand(); 473 PixelSetColor(fill_color,color); 474 DrawSetFillColor(drawing_wand,fill_color); 475 fill_color=DestroyPixelWand(fill_color); 476} 477static void draw_fill_color_rgb( wmfAPI* API, const wmfRGB* rgb ) 478{ 479 PixelWand 480 *fill_color; 481 482 fill_color=NewPixelWand(); 483 PixelSetRedQuantum(fill_color,ScaleCharToQuantum(rgb->r)); 484 PixelSetGreenQuantum(fill_color,ScaleCharToQuantum(rgb->g)); 485 PixelSetBlueQuantum(fill_color,ScaleCharToQuantum(rgb->b)); 486 PixelSetAlphaQuantum(fill_color,OpaqueAlpha); 487 DrawSetFillColor(WmfDrawingWand,fill_color); 488 fill_color=DestroyPixelWand(fill_color); 489} 490 491/* Set stroke color */ 492static void draw_stroke_color_string(DrawingWand *drawing_wand,const char *color) 493{ 494 PixelWand 495 *stroke_color; 496 497 stroke_color=NewPixelWand(); 498 PixelSetColor(stroke_color,color); 499 DrawSetStrokeColor(drawing_wand,stroke_color); 500 stroke_color=DestroyPixelWand(stroke_color); 501} 502 503static void draw_stroke_color_rgb( wmfAPI* API, const wmfRGB* rgb ) 504{ 505 PixelWand 506 *stroke_color; 507 508 stroke_color=NewPixelWand(); 509 PixelSetRedQuantum(stroke_color,ScaleCharToQuantum(rgb->r)); 510 PixelSetGreenQuantum(stroke_color,ScaleCharToQuantum(rgb->g)); 511 PixelSetBlueQuantum(stroke_color,ScaleCharToQuantum(rgb->b)); 512 PixelSetAlphaQuantum(stroke_color,OpaqueAlpha); 513 DrawSetStrokeColor(WmfDrawingWand,stroke_color); 514 stroke_color=DestroyPixelWand(stroke_color); 515} 516 517/* Set under color */ 518static void draw_under_color_string(DrawingWand *drawing_wand,const char *color) 519{ 520 PixelWand 521 *under_color; 522 523 under_color=NewPixelWand(); 524 PixelSetColor(under_color,color); 525 DrawSetTextUnderColor(drawing_wand,under_color); 526 under_color=DestroyPixelWand(under_color); 527} 528 529static void draw_pattern_push( wmfAPI* API, 530 unsigned long id, 531 unsigned long columns, 532 unsigned long rows ) 533{ 534 char 535 pattern_id[MagickPathExtent]; 536 537 (void) FormatLocaleString(pattern_id,MagickPathExtent,"brush_%lu",id); 538 (void) DrawPushPattern(WmfDrawingWand,pattern_id,0,0,columns,rows); 539} 540 541/* Pattern/Bit BLT with raster operation (ROP) support. Invoked by 542 META_PATBLT, which is equivalent to Windows PatBlt() call, or by 543 META_DIBBITBLT which is equivalent to Windows BitBlt() call. */ 544 545/* The BitBlt function transfers pixels from a rectangular area in one 546 device wand called the 'source', to a rectangular area of the 547 same size in another device wand, called the 'destination'. */ 548 549static void ipa_rop_draw(wmfAPI * API, wmfROP_Draw_t * rop_draw) 550{ 551/* wmfBrush */ 552/* *brush = WMF_DC_BRUSH(rop_draw->dc); */ 553 554/* wmfBMP */ 555/* *brush_bmp = WMF_BRUSH_BITMAP(brush); */ 556 557 if (TO_FILL(rop_draw) == 0) 558 return; 559 560 /* Save graphic wand */ 561 (void) PushDrawingWand(WmfDrawingWand); 562 563 /* FIXME: finish implementing (once we know what it is supposed to do!) */ 564 565 /* 566 struct _wmfROP_Draw_t 567 { wmfDC* dc; 568 569 wmfD_Coord TL; 570 wmfD_Coord BR; 571 572 U32 ROP; 573 574 double pixel_width; 575 double pixel_height; 576 }; 577 */ 578 579/* if (brush_bmp && brush_bmp->data != 0) */ 580/* printf("Have an image!\n"); */ 581 582 switch (rop_draw->ROP) /* Ternary raster operations */ 583 { 584 case SRCCOPY: /* dest = source */ 585 printf("ipa_rop_draw SRCCOPY ROP mode not implemented\n"); 586 break; 587 case SRCPAINT: /* dest = source OR dest */ 588 printf("ipa_rop_draw SRCPAINT ROP mode not implemented\n"); 589 break; 590 case SRCAND: /* dest = source AND dest */ 591 printf("ipa_rop_draw SRCAND ROP mode not implemented\n"); 592 break; 593 case SRCINVERT: /* dest = source XOR dest */ 594 printf("ipa_rop_draw SRCINVERT ROP mode not implemented\n"); 595 break; 596 case SRCERASE: /* dest = source AND (NOT dest) */ 597 printf("ipa_rop_draw SRCERASE ROP mode not implemented\n"); 598 break; 599 case NOTSRCCOPY: /* dest = (NOT source) */ 600 printf("ipa_rop_draw NOTSRCCOPY ROP mode not implemented\n"); 601 break; 602 case NOTSRCERASE: /* dest = (NOT src) AND (NOT dest) */ 603 printf("ipa_rop_draw NOTSRCERASE ROP mode not implemented\n"); 604 break; 605 case MERGECOPY: /* dest = (source AND pattern) */ 606 printf("ipa_rop_draw MERGECOPY ROP mode not implemented\n"); 607 break; 608 case MERGEPAINT: /* dest = (NOT source) OR dest */ 609 printf("ipa_rop_draw MERGEPAINT ROP mode not implemented\n"); 610 break; 611 case PATCOPY: /* dest = pattern */ 612 util_set_brush(API, rop_draw->dc, BrushApplyFill); 613 break; 614 case PATPAINT: /* dest = DPSnoo */ 615 printf("ipa_rop_draw PATPAINT ROP mode not implemented\n"); 616 break; 617 case PATINVERT: /* dest = pattern XOR dest */ 618 printf("ipa_rop_draw PATINVERT ROP mode not implemented\n"); 619 break; 620 case DSTINVERT: /* dest = (NOT dest) */ 621 printf("ipa_rop_draw DSTINVERT ROP mode not implemented\n"); 622 break; 623 case BLACKNESS: /* dest = BLACK */ 624 draw_fill_color_string(WmfDrawingWand,"black"); 625 break; 626 case WHITENESS: /* dest = WHITE */ 627 draw_fill_color_string(WmfDrawingWand,"white"); 628 break; 629 default: 630 printf("ipa_rop_draw 0x%x ROP mode not implemented\n", rop_draw->ROP); 631 break; 632 } 633 634 DrawRectangle(WmfDrawingWand, 635 XC(rop_draw->TL.x), YC(rop_draw->TL.y), 636 XC(rop_draw->BR.x), YC(rop_draw->BR.y)); 637 638 /* Restore graphic wand */ 639 (void) PopDrawingWand(WmfDrawingWand); 640} 641 642static void ipa_bmp_draw(wmfAPI *API, wmfBMP_Draw_t *bmp_draw) 643{ 644 wmf_magick_t 645 *ddata = WMF_MAGICK_GetData(API); 646 647 ExceptionInfo 648 *exception; 649 650 Image 651 *image; 652 653 MagickWand 654 *magick_wand; 655 656 double 657 height, 658 width; 659 660 PixelInfo 661 white; 662 663 if (bmp_draw->bmp.data == 0) 664 return; 665 666 image = (Image*)bmp_draw->bmp.data; 667 if (!image) 668 return; 669 670 exception=ddata->exception; 671 if (bmp_draw->crop.x || bmp_draw->crop.y || 672 (bmp_draw->crop.w != bmp_draw->bmp.width) || 673 (bmp_draw->crop.h != bmp_draw->bmp.height)) 674 { 675 /* Image needs to be cropped */ 676 Image 677 *crop_image; 678 679 RectangleInfo 680 crop_info; 681 682 crop_info.x = bmp_draw->crop.x; 683 crop_info.y = bmp_draw->crop.y; 684 crop_info.width = bmp_draw->crop.w; 685 crop_info.height = bmp_draw->crop.h; 686 687 crop_image = CropImage( image, &crop_info, exception ); 688 if (crop_image) 689 { 690 image=DestroyImageList(image); 691 image = crop_image; 692 bmp_draw->bmp.data = (void*)image; 693 } 694 } 695 696 QueryColorCompliance( "white", AllCompliance, &white, exception ); 697 698 if ( ddata->image_info->texture || 699 !(IsPixelInfoEquivalent(&ddata->image_info->background_color,&white)) || 700 ddata->image_info->background_color.alpha != OpaqueAlpha ) 701 { 702 /* 703 Set image white background to transparent so that it may be 704 overlaid over non-white backgrounds. 705 */ 706 QueryColorCompliance( "white", AllCompliance, &white, exception ); 707 TransparentPaintImage( image, &white, QuantumRange, MagickFalse, exception ); 708 } 709 710 width = fabs(bmp_draw->pixel_width * (double) bmp_draw->crop.w); 711 height = fabs(bmp_draw->pixel_height * (double) bmp_draw->crop.h); 712 magick_wand=NewMagickWandFromImage(image); 713 (void) DrawComposite(WmfDrawingWand, CopyCompositeOp, 714 XC(bmp_draw->pt.x) * ddata->scale_x, YC(bmp_draw->pt.y) * ddata->scale_y, 715 width * ddata->scale_x, height * ddata->scale_y, magick_wand); 716 magick_wand=DestroyMagickWand(magick_wand); 717 718#if 0 719 printf("bmp_draw->bmp.data = 0x%lx\n", (long)bmp_draw->bmp.data); 720 printf("registry id = %li\n", id); 721 /* printf("pixel_width = %g\n", bmp_draw->pixel_width); */ 722 /* printf("pixel_height = %g\n", bmp_draw->pixel_height); */ 723 printf("bmp_draw->bmp WxH = %ix%i\n", bmp_draw->bmp.width, bmp_draw->bmp.height); 724 printf("bmp_draw->crop WxH = %ix%i\n", bmp_draw->crop.w, bmp_draw->crop.h); 725 printf("bmp_draw->crop x,y = %i,%i\n", bmp_draw->crop.x, bmp_draw->crop.y); 726 printf("image size WxH = %lux%lu\n", image->columns, image->rows); 727#endif 728} 729 730static void ipa_bmp_read(wmfAPI * API, wmfBMP_Read_t * bmp_read) { 731 wmf_magick_t 732 *ddata = WMF_MAGICK_GetData(API); 733 734 ExceptionInfo 735 *exception; 736 737 Image 738 *image; 739 740 ImageInfo 741 *image_info; 742 743 bmp_read->bmp.data = 0; 744 745 image_info=CloneImageInfo(ddata->image_info); 746 exception=ddata->exception; 747 (void) CopyMagickString(image_info->magick,"DIB",MagickPathExtent); 748 if (bmp_read->width || bmp_read->height) 749 { 750 char 751 size[MagickPathExtent]; 752 753 (void) FormatLocaleString(size,MagickPathExtent,"%ux%u",bmp_read->width, 754 bmp_read->height); 755 CloneString(&image_info->size,size); 756 } 757#if 0 758 printf("ipa_bmp_read: buffer=0x%lx length=%ld, width=%i, height=%i\n", 759 (long) bmp_read->buffer, bmp_read->length, 760 bmp_read->width, bmp_read->height); 761#endif 762 image=BlobToImage(image_info, (const void *) bmp_read->buffer, 763 bmp_read->length, exception); 764 image_info=DestroyImageInfo(image_info); 765 if (image != (Image *) NULL) 766 { 767#if 0 768 printf("ipa_bmp_read: rows=%ld,columns=%ld\n\n", image->rows, image->columns); 769#endif 770 771 bmp_read->bmp.data = (void*)image; 772 bmp_read->bmp.width = (U16)image->columns; 773 bmp_read->bmp.height = (U16)image->rows; 774 } 775} 776 777static void ipa_bmp_free(wmfAPI * API, wmfBMP * bmp) 778{ 779 (void) API; 780 DestroyImageList((Image*)bmp->data); 781 bmp->data = (void*) 0; 782 bmp->width = (U16) 0; 783 bmp->height = (U16) 0; 784} 785 786/* 787 This called by wmf_play() the *first* time the meta file is played 788 */ 789static void ipa_device_open(wmfAPI * API) 790{ 791 wmf_magick_t 792 *ddata = WMF_MAGICK_GetData (API); 793 794 ddata->pattern_id = 0; 795 ddata->clipping = MagickFalse; 796 ddata->clip_mask_id = 0; 797 798 ddata->push_depth = 0; 799 800 ddata->draw_wand = AcquireDrawingWand(ddata->draw_info,ddata->image); 801} 802 803/* 804 This called by wmf_api_destroy() 805 */ 806static void ipa_device_close(wmfAPI * API) 807{ 808 wmf_magick_t 809 *ddata = WMF_MAGICK_GetData(API); 810 811 if (ddata->draw_wand != (DrawingWand *) NULL) 812 { 813 DestroyDrawingWand(ddata->draw_wand); 814 ddata->draw_wand=(DrawingWand *) NULL; 815 } 816 if (ddata->draw_info != (DrawInfo *) NULL) 817 { 818 DestroyDrawInfo(ddata->draw_info); 819 ddata->draw_info=(DrawInfo *)NULL; 820 } 821 RelinquishMagickMemory(WMF_MAGICK_GetFontData(API)->ps_name); 822} 823 824/* 825 This called from the beginning of each play for initial page setup 826 */ 827static void ipa_device_begin(wmfAPI * API) 828{ 829 char 830 comment[MagickPathExtent]; 831 832 wmf_magick_t 833 *ddata = WMF_MAGICK_GetData(API); 834 835 /* Make SVG output happy */ 836 (void) PushDrawingWand(WmfDrawingWand); 837 838 DrawSetViewbox(WmfDrawingWand, 0, 0, ddata->image->columns, ddata->image->rows ); 839 840 (void) FormatLocaleString(comment,MagickPathExtent,"Created by ImageMagick %s", 841 GetMagickVersion((size_t *) NULL)); 842 DrawComment(WmfDrawingWand,comment); 843 844 /* Scale width and height to image */ 845 DrawScale(WmfDrawingWand, ddata->scale_x, ddata->scale_y); 846 847 /* Translate to TL corner of bounding box */ 848 DrawTranslate(WmfDrawingWand, ddata->translate_x, ddata->translate_y); 849 850 /* Apply rotation */ 851 DrawRotate(WmfDrawingWand, ddata->rotate); 852 853 if (ddata->image_info->texture == NULL) 854 { 855 PixelWand 856 *background_color; 857 858 /* Draw rectangle in background color */ 859 background_color=NewPixelWand(); 860 PixelSetPixelColor(background_color,&ddata->image->background_color); 861 DrawSetFillColor(WmfDrawingWand,background_color); 862 background_color=DestroyPixelWand(background_color); 863 DrawRectangle(WmfDrawingWand, 864 XC(ddata->bbox.TL.x),YC(ddata->bbox.TL.y), 865 XC(ddata->bbox.BR.x),YC(ddata->bbox.BR.y)); 866 } 867 else 868 { 869 /* Draw rectangle with texture image the SVG way */ 870 Image 871 *image; 872 873 ImageInfo 874 *image_info; 875 876 ExceptionInfo 877 *exception; 878 879 exception=AcquireExceptionInfo(); 880 881 image_info = CloneImageInfo((ImageInfo *) 0); 882 (void) CopyMagickString(image_info->filename,ddata->image_info->texture, 883 MagickPathExtent); 884 if ( ddata->image_info->size ) 885 CloneString(&image_info->size,ddata->image_info->size); 886 887 image = ReadImage(image_info,exception); 888 (void) DestroyExceptionInfo(exception); 889 image_info=DestroyImageInfo(image_info); 890 if (image) 891 { 892 char 893 pattern_id[MagickPathExtent]; 894 895 MagickWand 896 *magick_wand; 897 898 (void) CopyMagickString(image->magick,"MIFF",MagickPathExtent); 899 DrawPushDefs(WmfDrawingWand); 900 draw_pattern_push(API,ddata->pattern_id,image->columns,image->rows); 901 magick_wand=NewMagickWandFromImage(image); 902 (void) DrawComposite(WmfDrawingWand,CopyCompositeOp,0,0, 903 image->columns,image->rows,magick_wand); 904 magick_wand=DestroyMagickWand(magick_wand); 905 (void) DrawPopPattern(WmfDrawingWand); 906 DrawPopDefs(WmfDrawingWand); 907 (void) FormatLocaleString(pattern_id,MagickPathExtent,"#brush_%lu", 908 ddata->pattern_id); 909 (void) DrawSetFillPatternURL(WmfDrawingWand,pattern_id); 910 ++ddata->pattern_id; 911 DrawRectangle(WmfDrawingWand, 912 XC(ddata->bbox.TL.x),YC(ddata->bbox.TL.y), 913 XC(ddata->bbox.BR.x),YC(ddata->bbox.BR.y)); 914 image=DestroyImageList(image); 915 } 916 else 917 { 918 LogMagickEvent(CoderEvent,GetMagickModule(), 919 "reading texture image failed!"); 920 } 921 } 922 923 DrawSetClipRule(WmfDrawingWand,EvenOddRule); /* Default for WMF is ALTERNATE polygon fill mode */ 924 draw_fill_color_string(WmfDrawingWand,"none"); /* Default brush is WHITE_BRUSH */ 925 draw_stroke_color_string(WmfDrawingWand,"none"); /* Default pen is BLACK_PEN */ 926 DrawSetStrokeLineCap(WmfDrawingWand,ButtCap); /* Default linecap is PS_ENDCAP_FLAT */ 927 DrawSetStrokeLineJoin(WmfDrawingWand,MiterJoin); /* Default linejoin is PS_JOIN_MITER */ 928 draw_under_color_string(WmfDrawingWand,"white"); /* Default text box is white */ 929} 930 931/* 932 This called from the end of each play for page termination 933 */ 934static void ipa_device_end(wmfAPI * API) 935{ 936 wmf_magick_t 937 *ddata = WMF_MAGICK_GetData(API); 938 939 /* Reset any existing clip paths by popping wand */ 940 if (ddata->clipping) 941 (void) PopDrawingWand(WmfDrawingWand); 942 ddata->clipping = MagickFalse; 943 944 /* Make SVG output happy */ 945 (void) PopDrawingWand(WmfDrawingWand); 946} 947 948static void ipa_flood_interior(wmfAPI * API, wmfFlood_t * flood) 949{ 950 /* Save graphic wand */ 951 (void) PushDrawingWand(WmfDrawingWand); 952 953 draw_fill_color_rgb(API,&(flood->color)); 954 955 DrawColor(WmfDrawingWand,XC(flood->pt.x), YC(flood->pt.y), 956 FillToBorderMethod); 957 958 /* Restore graphic wand */ 959 (void) PopDrawingWand(WmfDrawingWand); 960} 961 962static void ipa_flood_exterior(wmfAPI * API, wmfFlood_t * flood) 963{ 964 /* Save graphic wand */ 965 (void) PushDrawingWand(WmfDrawingWand); 966 967 draw_fill_color_rgb(API,&(flood->color)); 968 969 if (flood->type == FLOODFILLSURFACE) 970 DrawColor(WmfDrawingWand, XC(flood->pt.x), YC(flood->pt.y), 971 FloodfillMethod); 972 else 973 DrawColor(WmfDrawingWand, XC(flood->pt.x), YC(flood->pt.y), 974 FillToBorderMethod); 975 976 /* Restore graphic wand */ 977 (void) PopDrawingWand(WmfDrawingWand); 978} 979 980static void ipa_draw_pixel(wmfAPI * API, wmfDrawPixel_t * draw_pixel) 981{ 982 /* Save graphic wand */ 983 (void) PushDrawingWand(WmfDrawingWand); 984 985 draw_stroke_color_string(WmfDrawingWand,"none"); 986 987 draw_fill_color_rgb(API,&(draw_pixel->color)); 988 989 DrawRectangle(WmfDrawingWand, 990 XC(draw_pixel->pt.x), 991 YC(draw_pixel->pt.y), 992 XC(draw_pixel->pt.x + draw_pixel->pixel_width), 993 YC(draw_pixel->pt.y + draw_pixel->pixel_height)); 994 995 /* Restore graphic wand */ 996 (void) PopDrawingWand(WmfDrawingWand); 997} 998 999static void ipa_draw_pie(wmfAPI * API, wmfDrawArc_t * draw_arc) 1000{ 1001 util_draw_arc(API, draw_arc, magick_arc_pie); 1002} 1003 1004static void ipa_draw_chord(wmfAPI * API, wmfDrawArc_t * draw_arc) 1005{ 1006 util_draw_arc(API, draw_arc, magick_arc_chord); 1007} 1008 1009static void ipa_draw_arc(wmfAPI * API, wmfDrawArc_t * draw_arc) 1010{ 1011 util_draw_arc(API, draw_arc, magick_arc_open); 1012} 1013 1014static void ipa_draw_ellipse(wmfAPI * API, wmfDrawArc_t * draw_arc) 1015{ 1016 util_draw_arc(API, draw_arc, magick_arc_ellipse); 1017} 1018 1019static void util_draw_arc(wmfAPI * API, 1020 wmfDrawArc_t * draw_arc, magick_arc_t finish) 1021{ 1022 wmfD_Coord 1023 BR, 1024 O, 1025 TL, 1026 center, 1027 end, 1028 start; 1029 1030 double 1031 phi_e = 360, 1032 phi_s = 0; 1033 1034 double 1035 Rx, 1036 Ry; 1037 1038 /* Save graphic wand */ 1039 (void) PushDrawingWand(WmfDrawingWand); 1040 1041 if (TO_FILL(draw_arc) || TO_DRAW(draw_arc)) 1042 { 1043 center.x = (draw_arc->TL.x + draw_arc->BR.x) / 2; 1044 center.y = (draw_arc->TL.y + draw_arc->BR.y) / 2; 1045 start = center; 1046 end = center; 1047 1048 if (finish != magick_arc_ellipse) 1049 { 1050 draw_arc->start.x += center.x; 1051 draw_arc->start.y += center.y; 1052 1053 draw_arc->end.x += center.x; 1054 draw_arc->end.y += center.y; 1055 } 1056 1057 TL = draw_arc->TL; 1058 BR = draw_arc->BR; 1059 1060 O = center; 1061 1062 if (finish != magick_arc_ellipse) 1063 { 1064 start = draw_arc->start; 1065 end = draw_arc->end; 1066 } 1067 1068 Rx = (BR.x - TL.x) / 2; 1069 Ry = (BR.y - TL.y) / 2; 1070 1071 if (finish != magick_arc_ellipse) 1072 { 1073 start.x -= O.x; 1074 start.y -= O.y; 1075 1076 end.x -= O.x; 1077 end.y -= O.y; 1078 1079 phi_s = atan2((double) start.y, (double) start.x) * 180 / MagickPI; 1080 phi_e = atan2((double) end.y, (double) end.x) * 180 / MagickPI; 1081 1082 if (phi_e <= phi_s) 1083 phi_e += 360; 1084 } 1085 1086 util_set_pen(API, draw_arc->dc); 1087 if (finish == magick_arc_open) 1088 draw_fill_color_string(WmfDrawingWand,"none"); 1089 else 1090 util_set_brush(API, draw_arc->dc, BrushApplyFill); 1091 1092 if (finish == magick_arc_ellipse) 1093 DrawEllipse(WmfDrawingWand, XC(O.x), YC(O.y), Rx, Ry, 0, 360); 1094 else if (finish == magick_arc_pie) 1095 { 1096 DrawPathStart(WmfDrawingWand); 1097 DrawPathMoveToAbsolute(WmfDrawingWand, XC(O.x+start.x), 1098 YC(O.y+start.y)); 1099 DrawPathEllipticArcAbsolute(WmfDrawingWand, Rx, Ry, 0, MagickFalse, 1100 MagickTrue, XC(O.x+end.x), YC(O.y+end.y)); 1101 DrawPathLineToAbsolute(WmfDrawingWand, XC(O.x), YC(O.y)); 1102 DrawPathClose(WmfDrawingWand); 1103 DrawPathFinish(WmfDrawingWand); 1104 } 1105 else if (finish == magick_arc_chord) 1106 { 1107 DrawArc(WmfDrawingWand, XC(draw_arc->TL.x), YC(draw_arc->TL.y), 1108 XC(draw_arc->BR.x), XC(draw_arc->BR.y), phi_s, phi_e); 1109 DrawLine(WmfDrawingWand, XC(draw_arc->BR.x-start.x), 1110 YC(draw_arc->BR.y-start.y), XC(draw_arc->BR.x-end.x), 1111 YC(draw_arc->BR.y-end.y)); 1112 } 1113 else /* if (finish == magick_arc_open) */ 1114 DrawArc(WmfDrawingWand, XC(draw_arc->TL.x), YC(draw_arc->TL.y), 1115 XC(draw_arc->BR.x), XC(draw_arc->BR.y), phi_s, phi_e); 1116 } 1117 1118 /* Restore graphic wand */ 1119 (void) PopDrawingWand(WmfDrawingWand); 1120} 1121 1122static void ipa_draw_line(wmfAPI * API, wmfDrawLine_t * draw_line) 1123{ 1124 /* Save graphic wand */ 1125 (void) PushDrawingWand(WmfDrawingWand); 1126 1127 if (TO_DRAW(draw_line)) 1128 { 1129 util_set_pen(API, draw_line->dc); 1130 DrawLine(WmfDrawingWand, 1131 XC(draw_line->from.x), YC(draw_line->from.y), 1132 XC(draw_line->to.x), YC(draw_line->to.y)); 1133 } 1134 1135 /* Restore graphic wand */ 1136 (void) PopDrawingWand(WmfDrawingWand); 1137} 1138 1139static void ipa_poly_line(wmfAPI * API, wmfPolyLine_t * polyline) 1140{ 1141 if (polyline->count <= 2) 1142 return; 1143 1144 if (TO_DRAW(polyline)) 1145 { 1146 int 1147 point; 1148 1149 /* Save graphic wand */ 1150 (void) PushDrawingWand(WmfDrawingWand); 1151 1152 util_set_pen(API, polyline->dc); 1153 1154 DrawPathStart(WmfDrawingWand); 1155 DrawPathMoveToAbsolute(WmfDrawingWand, 1156 XC(polyline->pt[0].x), 1157 YC(polyline->pt[0].y)); 1158 for (point = 1; point < polyline->count; point++) 1159 { 1160 DrawPathLineToAbsolute(WmfDrawingWand, 1161 XC(polyline->pt[point].x), 1162 YC(polyline->pt[point].y)); 1163 } 1164 DrawPathFinish(WmfDrawingWand); 1165 1166 /* Restore graphic wand */ 1167 (void) PopDrawingWand(WmfDrawingWand); 1168 } 1169} 1170 1171static void ipa_draw_polygon(wmfAPI * API, wmfPolyLine_t * polyline) 1172{ 1173 if (polyline->count <= 2) 1174 return; 1175 1176 if (TO_FILL(polyline) || TO_DRAW(polyline)) 1177 { 1178 int 1179 point; 1180 1181 /* Save graphic wand */ 1182 (void) PushDrawingWand(WmfDrawingWand); 1183 1184 util_set_pen(API, polyline->dc); 1185 util_set_brush(API, polyline->dc, BrushApplyFill); 1186 1187 DrawPathStart(WmfDrawingWand); 1188 DrawPathMoveToAbsolute(WmfDrawingWand, 1189 XC(polyline->pt[0].x), 1190 YC(polyline->pt[0].y)); 1191 for (point = 1; point < polyline->count; point++) 1192 { 1193 DrawPathLineToAbsolute(WmfDrawingWand, 1194 XC(polyline->pt[point].x), 1195 YC(polyline->pt[point].y)); 1196 } 1197 DrawPathClose(WmfDrawingWand); 1198 DrawPathFinish(WmfDrawingWand); 1199 1200 /* Restore graphic wand */ 1201 (void) PopDrawingWand(WmfDrawingWand); 1202 } 1203} 1204 1205/* Draw a polypolygon. A polypolygon is a list of polygons */ 1206#if defined(MAGICKCORE_WMF_DELEGATE) 1207static void ipa_draw_polypolygon(wmfAPI * API, wmfPolyPoly_t* polypolygon) 1208{ 1209 if (TO_FILL(polypolygon) || TO_DRAW(polypolygon)) 1210 { 1211 int 1212 polygon, 1213 point; 1214 1215 wmfPolyLine_t 1216 polyline; 1217 1218 /* Save graphic wand */ 1219 (void) PushDrawingWand(WmfDrawingWand); 1220 1221 util_set_pen(API, polypolygon->dc); 1222 util_set_brush(API, polypolygon->dc, BrushApplyFill); 1223 1224 DrawPathStart(WmfDrawingWand); 1225 for (polygon = 0; polygon < polypolygon->npoly; polygon++) 1226 { 1227 polyline.dc = polypolygon->dc; 1228 polyline.pt = polypolygon->pt[polygon]; 1229 polyline.count = polypolygon->count[polygon]; 1230 if ((polyline.count > 2) && polyline.pt) 1231 { 1232 DrawPathMoveToAbsolute(WmfDrawingWand, 1233 XC(polyline.pt[0].x), 1234 YC(polyline.pt[0].y)); 1235 for (point = 1; point < polyline.count; point++) 1236 { 1237 DrawPathLineToAbsolute(WmfDrawingWand, 1238 XC(polyline.pt[point].x), 1239 YC(polyline.pt[point].y)); 1240 } 1241 DrawPathClose(WmfDrawingWand); 1242 } 1243 } 1244 DrawPathFinish(WmfDrawingWand); 1245 1246 /* Restore graphic wand */ 1247 (void) PopDrawingWand(WmfDrawingWand); 1248 } 1249} 1250#endif 1251 1252static void ipa_draw_rectangle(wmfAPI * API, wmfDrawRectangle_t * draw_rect) 1253{ 1254 /* Save graphic wand */ 1255 (void) PushDrawingWand(WmfDrawingWand); 1256 1257 if (TO_FILL(draw_rect) || TO_DRAW(draw_rect)) 1258 { 1259 util_set_pen(API, draw_rect->dc); 1260 util_set_brush(API, draw_rect->dc, BrushApplyFill); 1261 1262 if ((draw_rect->width > 0) || (draw_rect->height > 0)) 1263 DrawRoundRectangle(WmfDrawingWand, 1264 XC(draw_rect->TL.x), YC(draw_rect->TL.y), 1265 XC(draw_rect->BR.x), YC(draw_rect->BR.y), 1266 draw_rect->width / 2, draw_rect->height / 2); 1267 else 1268 DrawRectangle(WmfDrawingWand, 1269 XC(draw_rect->TL.x), YC(draw_rect->TL.y), 1270 XC(draw_rect->BR.x), YC(draw_rect->BR.y)); 1271 } 1272 1273 /* Restore graphic wand */ 1274 (void) PopDrawingWand(WmfDrawingWand); 1275} 1276 1277/* Draw an un-filled rectangle using the current brush */ 1278static void ipa_region_frame(wmfAPI * API, wmfPolyRectangle_t * poly_rect) 1279{ 1280 /* Save graphic wand */ 1281 (void) PushDrawingWand(WmfDrawingWand); 1282 1283 if (TO_FILL(poly_rect) || TO_DRAW(poly_rect)) 1284 { 1285 long 1286 i; 1287 1288 draw_fill_color_string(WmfDrawingWand,"none"); 1289 util_set_brush(API, poly_rect->dc, BrushApplyStroke); 1290 1291 for (i = 0; i < (long) poly_rect->count; i++) 1292 { 1293 DrawRectangle(WmfDrawingWand, 1294 XC(poly_rect->TL[i].x), YC(poly_rect->TL[i].y), 1295 XC(poly_rect->BR[i].x), YC(poly_rect->BR[i].y)); 1296 } 1297 } 1298 1299 /* Restore graphic wand */ 1300 (void) PopDrawingWand(WmfDrawingWand); 1301} 1302 1303static void ipa_region_paint(wmfAPI * API, wmfPolyRectangle_t * poly_rect) 1304{ 1305 1306 if (poly_rect->count == 0) 1307 return; 1308 1309 /* Save graphic wand */ 1310 (void) PushDrawingWand(WmfDrawingWand); 1311 1312 if (TO_FILL (poly_rect)) 1313 { 1314 long 1315 i; 1316 1317 draw_stroke_color_string(WmfDrawingWand,"none"); 1318 util_set_brush(API, poly_rect->dc, BrushApplyFill); 1319 1320 for (i = 0; i < (long) poly_rect->count; i++) 1321 { 1322 DrawRectangle(WmfDrawingWand, 1323 XC(poly_rect->TL[i].x), YC(poly_rect->TL[i].y), 1324 XC(poly_rect->BR[i].x), YC(poly_rect->BR[i].y)); 1325 } 1326 } 1327 1328 /* Restore graphic wand */ 1329 (void) PopDrawingWand(WmfDrawingWand); 1330} 1331 1332static void ipa_region_clip(wmfAPI *API, wmfPolyRectangle_t *poly_rect) 1333{ 1334 long 1335 i; 1336 1337 wmf_magick_t 1338 *ddata = WMF_MAGICK_GetData (API); 1339 1340 /* Reset any existing clip paths by popping wand */ 1341 if (ddata->clipping) 1342 (void) PopDrawingWand(WmfDrawingWand); 1343 ddata->clipping = MagickFalse; 1344 1345 if (poly_rect->count > 0) 1346 { 1347 char 1348 clip_mask_id[MagickPathExtent]; 1349 1350 /* Define clip path */ 1351 ddata->clip_mask_id++; 1352 DrawPushDefs(WmfDrawingWand); 1353 (void) FormatLocaleString(clip_mask_id,MagickPathExtent,"clip_%lu", 1354 ddata->clip_mask_id); 1355 DrawPushClipPath(WmfDrawingWand,clip_mask_id); 1356 (void) PushDrawingWand(WmfDrawingWand); 1357 for (i = 0; i < (long) poly_rect->count; i++) 1358 { 1359 DrawRectangle(WmfDrawingWand, 1360 XC(poly_rect->TL[i].x), YC(poly_rect->TL[i].y), 1361 XC(poly_rect->BR[i].x), YC(poly_rect->BR[i].y)); 1362 } 1363 (void) PopDrawingWand(WmfDrawingWand); 1364 DrawPopClipPath(WmfDrawingWand); 1365 DrawPopDefs(WmfDrawingWand); 1366 1367 /* Push wand for new clip paths */ 1368 (void) PushDrawingWand(WmfDrawingWand); 1369 (void) DrawSetClipPath(WmfDrawingWand,clip_mask_id); 1370 ddata->clipping = MagickTrue; 1371 } 1372} 1373 1374static void ipa_functions(wmfAPI *API) 1375{ 1376 wmf_magick_t 1377 *ddata = 0; 1378 1379 wmfFunctionReference 1380 *FR = (wmfFunctionReference *) API->function_reference; 1381 1382 /* 1383 IPA function reference links 1384 */ 1385 FR->device_open = ipa_device_open; 1386 FR->device_close = ipa_device_close; 1387 FR->device_begin = ipa_device_begin; 1388 FR->device_end = ipa_device_end; 1389 FR->flood_interior = ipa_flood_interior; 1390 FR->flood_exterior = ipa_flood_exterior; 1391 FR->draw_pixel = ipa_draw_pixel; 1392 FR->draw_pie = ipa_draw_pie; 1393 FR->draw_chord = ipa_draw_chord; 1394 FR->draw_arc = ipa_draw_arc; 1395 FR->draw_ellipse = ipa_draw_ellipse; 1396 FR->draw_line = ipa_draw_line; 1397 FR->poly_line = ipa_poly_line; 1398 FR->draw_polygon = ipa_draw_polygon; 1399#if defined(MAGICKCORE_WMF_DELEGATE) 1400 FR->draw_polypolygon = ipa_draw_polypolygon; 1401#endif 1402 FR->draw_rectangle = ipa_draw_rectangle; 1403 FR->rop_draw = ipa_rop_draw; 1404 FR->bmp_draw = ipa_bmp_draw; 1405 FR->bmp_read = ipa_bmp_read; 1406 FR->bmp_free = ipa_bmp_free; 1407 FR->draw_text = ipa_draw_text; 1408 FR->udata_init = ipa_udata_init; 1409 FR->udata_copy = ipa_udata_copy; 1410 FR->udata_set = ipa_udata_set; 1411 FR->udata_free = ipa_udata_free; 1412 FR->region_frame = ipa_region_frame; 1413 FR->region_paint = ipa_region_paint; 1414 FR->region_clip = ipa_region_clip; 1415 1416 /* 1417 Allocate device data structure 1418 */ 1419 ddata = (wmf_magick_t *) wmf_malloc(API, sizeof(wmf_magick_t)); 1420 if (ERR(API)) 1421 return; 1422 1423 (void) ResetMagickMemory((void *) ddata, 0, sizeof(wmf_magick_t)); 1424 API->device_data = (void *) ddata; 1425 1426 /* 1427 Device data defaults 1428 */ 1429 ddata->image = 0; 1430} 1431 1432static void ipa_draw_text(wmfAPI * API, wmfDrawText_t * draw_text) 1433{ 1434 double 1435 angle = 0, /* text rotation angle */ 1436 bbox_height, /* bounding box height */ 1437 bbox_width, /* bounding box width */ 1438 pointsize = 0; /* pointsize to output font with desired height */ 1439 1440 ExceptionInfo 1441 *exception; 1442 1443 TypeMetric 1444 metrics; 1445 1446 wmfD_Coord 1447 BL, /* bottom left of bounding box */ 1448 BR, /* bottom right of bounding box */ 1449 TL, /* top left of bounding box */ 1450 TR; /* top right of bounding box */ 1451 1452 wmfD_Coord 1453 point; /* text placement point */ 1454 1455 wmfFont 1456 *font; 1457 1458 wmf_magick_t 1459 * ddata = WMF_MAGICK_GetData(API); 1460 1461 point = draw_text->pt; 1462 1463 /* Choose bounding box and calculate its width and height */ 1464 { 1465 double dx, 1466 dy; 1467 1468 if ( draw_text->flags) 1469 { 1470 TL = draw_text->TL; 1471 BR = draw_text->BR; 1472 TR.x = draw_text->BR.x; 1473 TR.y = draw_text->TL.y; 1474 BL.x = draw_text->TL.x; 1475 BL.y = draw_text->BR.y; 1476 } 1477 else 1478 { 1479 TL = draw_text->bbox.TL; 1480 BR = draw_text->bbox.BR; 1481 TR = draw_text->bbox.TR; 1482 BL = draw_text->bbox.BL; 1483 } 1484 dx = ((TR.x - TL.x) + (BR.x - BL.x)) / 2; 1485 dy = ((TR.y - TL.y) + (BR.y - BL.y)) / 2; 1486 bbox_width = hypot(dx,dy); 1487 dx = ((BL.x - TL.x) + (BR.x - TR.x)) / 2; 1488 dy = ((BL.y - TL.y) + (BR.y - TR.y)) / 2; 1489 bbox_height = hypot(dx,dy); 1490 } 1491 1492 font = WMF_DC_FONT(draw_text->dc); 1493 1494 /* Convert font_height to equivalent pointsize */ 1495 exception=ddata->exception; 1496 pointsize = util_pointsize( API, font, draw_text->str, draw_text->font_height, exception); 1497 1498 /* Save graphic wand */ 1499 (void) PushDrawingWand(WmfDrawingWand); 1500 1501 (void) bbox_width; 1502 (void) bbox_height; 1503#if 0 1504 printf("\nipa_draw_text\n"); 1505 printf("Text = \"%s\"\n", draw_text->str); 1506 /* printf("WMF_FONT_NAME: = \"%s\"\n", WMF_FONT_NAME(font)); */ 1507 printf("WMF_FONT_PSNAME: = \"%s\"\n", WMF_FONT_PSNAME(font)); 1508 printf("Bounding box TL=%g,%g BR=%g,%g\n", 1509 TL.x, TL.y, BR.x, BR.y ); 1510 /* printf("Text box = %gx%g\n", bbox_width, bbox_height); */ 1511 /* printf("WMF_FONT_HEIGHT = %i\n", (int)WMF_FONT_HEIGHT(font)); */ 1512 printf("Pointsize = %g\n", pointsize); 1513 fflush(stdout); 1514#endif 1515 1516 /* 1517 * Obtain font metrics if required 1518 * 1519 */ 1520 if ((WMF_DC_TEXTALIGN(draw_text->dc) & TA_CENTER) || 1521 (WMF_TEXT_UNDERLINE(font)) || (WMF_TEXT_STRIKEOUT(font))) 1522 { 1523 Image 1524 *image = ddata->image; 1525 1526 DrawInfo 1527 *draw_info; 1528 1529 draw_info=ddata->draw_info; 1530 draw_info->font=WMF_FONT_PSNAME(font); 1531 draw_info->pointsize = pointsize; 1532 draw_info->text=draw_text->str; 1533 1534 if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse) 1535 { 1536 /* Center the text if it is not yet centered and should be */ 1537 if ((WMF_DC_TEXTALIGN(draw_text->dc) & TA_CENTER)) 1538 { 1539 double 1540 text_width = metrics.width * (ddata->scale_y / ddata->scale_x); 1541 1542#if defined(MAGICKCORE_WMF_DELEGATE) 1543 point.x -= text_width / 2; 1544#else 1545 point.x += bbox_width / 2 - text_width / 2; 1546#endif 1547 } 1548 } 1549 draw_info->font=NULL; 1550 draw_info->text=NULL; 1551 } 1552 1553 /* Set text background color */ 1554 if (draw_text->flags & ETO_OPAQUE) 1555 { 1556 /* Draw bounding-box background color (META_EXTTEXTOUT mode) */ 1557 draw_stroke_color_string(WmfDrawingWand,"none"); 1558 draw_fill_color_rgb(API,WMF_DC_BACKGROUND(draw_text->dc)); 1559 DrawRectangle(WmfDrawingWand, 1560 XC(draw_text->TL.x),YC(draw_text->TL.y), 1561 XC(draw_text->BR.x),YC(draw_text->BR.y)); 1562 draw_fill_color_string(WmfDrawingWand,"none"); 1563 } 1564 else 1565 { 1566 /* Set text undercolor */ 1567 if (WMF_DC_OPAQUE(draw_text->dc)) 1568 { 1569 wmfRGB 1570 *box = WMF_DC_BACKGROUND(draw_text->dc); 1571 1572 PixelWand 1573 *under_color; 1574 1575 under_color=NewPixelWand(); 1576 PixelSetRedQuantum(under_color,ScaleCharToQuantum(box->r)); 1577 PixelSetGreenQuantum(under_color,ScaleCharToQuantum(box->g)); 1578 PixelSetBlueQuantum(under_color,ScaleCharToQuantum(box->b)); 1579 PixelSetAlphaQuantum(under_color,OpaqueAlpha); 1580 DrawSetTextUnderColor(WmfDrawingWand,under_color); 1581 under_color=DestroyPixelWand(under_color); 1582 } 1583 else 1584 draw_under_color_string(WmfDrawingWand,"none"); 1585 } 1586 1587 /* Set text clipping (META_EXTTEXTOUT mode) */ 1588 if ( draw_text->flags & ETO_CLIPPED) 1589 { 1590 } 1591 1592 /* Set stroke color */ 1593 draw_stroke_color_string(WmfDrawingWand,"none"); 1594 1595 /* Set fill color */ 1596 draw_fill_color_rgb(API,WMF_DC_TEXTCOLOR(draw_text->dc)); 1597 1598 /* Output font size */ 1599 (void) DrawSetFontSize(WmfDrawingWand,pointsize); 1600 1601 /* Output Postscript font name */ 1602 (void) DrawSetFont(WmfDrawingWand, WMF_FONT_PSNAME(font)); 1603 1604 /* Translate coordinates so target is 0,0 */ 1605 DrawTranslate(WmfDrawingWand, XC(point.x), YC(point.y)); 1606 1607 /* Transform horizontal scale to draw text at 1:1 ratio */ 1608 DrawScale(WmfDrawingWand, ddata->scale_y / ddata->scale_x, 1.0); 1609 1610 /* Apply rotation */ 1611 /* ImageMagick's drawing rotation is clockwise from horizontal 1612 while WMF drawing rotation is counterclockwise from horizontal */ 1613 angle = fabs(RadiansToDegrees(2 * MagickPI - WMF_TEXT_ANGLE(font))); 1614 if (angle == 360) 1615 angle = 0; 1616 if (angle != 0) 1617 DrawRotate(WmfDrawingWand, angle); 1618 1619 /* 1620 * Render text 1621 * 1622 */ 1623 1624 /* Output string */ 1625 DrawAnnotation(WmfDrawingWand, 0, 0, (unsigned char*)draw_text->str); 1626 1627 /* Underline text the Windows way (at the bottom) */ 1628 if (WMF_TEXT_UNDERLINE(font)) 1629 { 1630 double 1631 line_height; 1632 1633 wmfD_Coord 1634 ulBR, /* bottom right of underline rectangle */ 1635 ulTL; /* top left of underline rectangle */ 1636 1637 line_height = ((double)1/(ddata->scale_x))*metrics.underline_thickness; 1638 if (metrics.underline_thickness < 1.5) 1639 line_height *= 0.55; 1640 ulTL.x = 0; 1641 ulTL.y = fabs(metrics.descent) - line_height; 1642 ulBR.x = metrics.width; 1643 ulBR.y = fabs(metrics.descent); 1644 1645 DrawRectangle(WmfDrawingWand, 1646 XC(ulTL.x), YC(ulTL.y), XC(ulBR.x), YC(ulBR.y)); 1647 } 1648 1649 /* Strikeout text the Windows way */ 1650 if (WMF_TEXT_STRIKEOUT(font)) 1651 { 1652 double line_height; 1653 1654 wmfD_Coord 1655 ulBR, /* bottom right of strikeout rectangle */ 1656 ulTL; /* top left of strikeout rectangle */ 1657 1658 line_height = ((double)1/(ddata->scale_x))*metrics.underline_thickness; 1659 1660 if (metrics.underline_thickness < 2.0) 1661 line_height *= 0.55; 1662 ulTL.x = 0; 1663 ulTL.y = -(((double) metrics.ascent) / 2 + line_height / 2); 1664 ulBR.x = metrics.width; 1665 ulBR.y = -(((double) metrics.ascent) / 2 - line_height / 2); 1666 1667 DrawRectangle(WmfDrawingWand, 1668 XC(ulTL.x), YC(ulTL.y), XC(ulBR.x), YC(ulBR.y)); 1669 1670 } 1671 1672 /* Restore graphic wand */ 1673 (void) PopDrawingWand(WmfDrawingWand); 1674 1675#if 0 1676 (void) PushDrawingWand(WmfDrawingWand); 1677 draw_stroke_color_string(WmfDrawingWand,"red"); 1678 draw_fill_color_string(WmfDrawingWand,"none"); 1679 DrawRectangle(WmfDrawingWand, 1680 XC(TL.x), YC(TL.y), 1681 XC(BR.x), YC(BR.y)); 1682 draw_stroke_color_string(WmfDrawingWand,"none"); 1683 (void) PopDrawingWand(WmfDrawingWand); 1684#endif 1685 1686} 1687 1688static void ipa_udata_init(wmfAPI * API, wmfUserData_t * userdata) 1689{ 1690 (void) API; 1691 (void) userdata; 1692 /* wmf_magick_t* ddata = WMF_MAGICK_GetData (API); */ 1693 1694} 1695 1696static void ipa_udata_copy(wmfAPI * API, wmfUserData_t * userdata) 1697{ 1698 (void) API; 1699 (void) userdata; 1700 /* wmf_magick_t* ddata = WMF_MAGICK_GetData (API); */ 1701 1702} 1703 1704static void ipa_udata_set(wmfAPI * API, wmfUserData_t * userdata) 1705{ 1706 (void) API; 1707 (void) userdata; 1708 /* wmf_magick_t* ddata = WMF_MAGICK_GetData (API); */ 1709 1710} 1711 1712static void ipa_udata_free(wmfAPI *API, wmfUserData_t *userdata) 1713{ 1714 (void) API; 1715 (void) userdata; 1716 /* wmf_magick_t* ddata = WMF_MAGICK_GetData (API); */ 1717 1718} 1719 1720static void util_set_brush(wmfAPI *API, wmfDC *dc,const BrushApply brush_apply) 1721{ 1722 wmf_magick_t 1723 *ddata = WMF_MAGICK_GetData(API); 1724 1725 wmfBrush 1726 *brush = WMF_DC_BRUSH(dc); 1727 1728 /* Set polygon fill rule */ 1729 switch (WMF_DC_POLYFILL(dc)) /* Is this correct ?? */ 1730 { 1731 case WINDING: 1732 DrawSetClipRule(WmfDrawingWand,NonZeroRule); 1733 break; 1734 1735 case ALTERNATE: 1736 default: 1737 DrawSetClipRule(WmfDrawingWand,EvenOddRule); 1738 break; 1739 } 1740 1741 switch (WMF_BRUSH_STYLE(brush)) 1742 { 1743 case BS_SOLID /* 0 */: 1744 /* WMF_BRUSH_COLOR specifies brush color, WMF_BRUSH_HATCH 1745 ignored */ 1746 { 1747 if ( brush_apply == BrushApplyStroke ) 1748 draw_stroke_color_rgb(API,WMF_BRUSH_COLOR(brush)); 1749 else 1750 draw_fill_color_rgb(API,WMF_BRUSH_COLOR(brush)); 1751 break; 1752 } 1753 case BS_HOLLOW /* 1 */: /* BS_HOLLOW & BS_NULL share enum */ 1754 /* WMF_BRUSH_COLOR and WMF_BRUSH_HATCH ignored */ 1755 { 1756 if ( brush_apply == BrushApplyStroke ) 1757 draw_stroke_color_string(WmfDrawingWand,"none"); 1758 else 1759 draw_fill_color_string(WmfDrawingWand,"none"); 1760 break; 1761 } 1762 case BS_HATCHED /* 2 */: 1763 /* WMF_BRUSH_COLOR specifies the hatch color, WMF_BRUSH_HATCH 1764 specifies the hatch brush style. If WMF_DC_OPAQUE, then 1765 WMF_DC_BACKGROUND specifies hatch background color. */ 1766 { 1767 DrawPushDefs(WmfDrawingWand); 1768 draw_pattern_push(API, ddata->pattern_id, 8, 8); 1769 (void) PushDrawingWand(WmfDrawingWand); 1770 1771 if (WMF_DC_OPAQUE(dc)) 1772 { 1773 if ( brush_apply == BrushApplyStroke ) 1774 draw_stroke_color_rgb(API,WMF_DC_BACKGROUND(dc)); 1775 else 1776 draw_fill_color_rgb(API,WMF_DC_BACKGROUND(dc)); 1777 1778 DrawRectangle(WmfDrawingWand, 0, 0, 7, 7 ); 1779 } 1780 1781 DrawSetStrokeAntialias(WmfDrawingWand, MagickFalse); 1782 DrawSetStrokeWidth(WmfDrawingWand, 1); 1783 1784 draw_stroke_color_rgb(API,WMF_BRUSH_COLOR(brush)); 1785 1786 switch ((unsigned int) WMF_BRUSH_HATCH(brush)) 1787 { 1788 1789 case HS_HORIZONTAL: /* ----- */ 1790 { 1791 DrawLine(WmfDrawingWand, 0, 3, 7,3); 1792 break; 1793 } 1794 case HS_VERTICAL: /* ||||| */ 1795 { 1796 DrawLine(WmfDrawingWand, 3, 0, 3, 7); 1797 break; 1798 } 1799 case HS_FDIAGONAL: /* \\\\\ */ 1800 { 1801 DrawLine(WmfDrawingWand, 0, 0, 7, 7); 1802 break; 1803 } 1804 case HS_BDIAGONAL: /* / */ 1805 { 1806 DrawLine(WmfDrawingWand, 0, 7, 7, 0 ); 1807 break; 1808 } 1809 case HS_CROSS: /* +++++ */ 1810 { 1811 DrawLine(WmfDrawingWand, 0, 3, 7, 3 ); 1812 DrawLine(WmfDrawingWand, 3, 0, 3, 7 ); 1813 break; 1814 } 1815 case HS_DIAGCROSS: /* xxxxx */ 1816 { 1817 DrawLine(WmfDrawingWand, 0, 0, 7, 7 ); 1818 DrawLine(WmfDrawingWand, 0, 7, 7, 0 ); 1819 break; 1820 } 1821 default: 1822 { 1823 printf("util_set_brush: unexpected brush hatch enumeration %u\n", 1824 (unsigned int)WMF_BRUSH_HATCH(brush)); 1825 } 1826 } 1827 (void) PopDrawingWand(WmfDrawingWand); 1828 (void) DrawPopPattern(WmfDrawingWand); 1829 DrawPopDefs(WmfDrawingWand); 1830 { 1831 char 1832 pattern_id[MagickPathExtent]; 1833 1834 (void) FormatLocaleString(pattern_id,MagickPathExtent,"#brush_%lu", 1835 ddata->pattern_id); 1836 if (brush_apply == BrushApplyStroke ) 1837 (void) DrawSetStrokePatternURL(WmfDrawingWand,pattern_id); 1838 else 1839 (void) DrawSetFillPatternURL(WmfDrawingWand,pattern_id); 1840 ++ddata->pattern_id; 1841 } 1842 break; 1843 } 1844 case BS_PATTERN /* 3 */: 1845 /* WMF_BRUSH_COLOR ignored, WMF_BRUSH_HATCH provides handle to 1846 bitmap */ 1847 { 1848 printf("util_set_brush: BS_PATTERN not supported\n"); 1849 break; 1850 } 1851 case BS_INDEXED /* 4 */: 1852 { 1853 printf("util_set_brush: BS_INDEXED not supported\n"); 1854 break; 1855 } 1856 case BS_DIBPATTERN /* 5 */: 1857 { 1858 wmfBMP 1859 *brush_bmp = WMF_BRUSH_BITMAP(brush); 1860 1861 if (brush_bmp && brush_bmp->data != 0) 1862 { 1863 CompositeOperator 1864 mode; 1865 1866 const Image 1867 *image; 1868 1869 MagickWand 1870 *magick_wand; 1871 1872 image = (Image*)brush_bmp->data; 1873 1874 mode = CopyCompositeOp; /* Default is copy */ 1875 switch (WMF_DC_ROP(dc)) 1876 { 1877 /* Binary raster ops */ 1878 case R2_BLACK: 1879 printf("util_set_brush: R2_BLACK ROP2 mode not supported!\n"); 1880 break; 1881 case R2_NOTMERGEPEN: 1882 printf("util_set_brush: R2_NOTMERGEPEN ROP2 mode not supported!\n"); 1883 break; 1884 case R2_MASKNOTPEN: 1885 printf("util_set_brush R2_MASKNOTPEN ROP2 mode not supported!\n"); 1886 break; 1887 case R2_NOTCOPYPEN: 1888 printf("util_set_brush: R2_NOTCOPYPEN ROP2 mode not supported!\n"); 1889 break; 1890 case R2_MASKPENNOT: 1891 printf("util_set_brush: R2_MASKPENNOT ROP2 mode not supported!\n"); 1892 break; 1893 case R2_NOT: 1894 printf("util_set_brush: R2_NOT ROP2 mode not supported!\n"); 1895 break; 1896 case R2_XORPEN: 1897 printf("util_set_brush: R2_XORPEN ROP2 mode not supported!\n"); 1898 break; 1899 case R2_NOTMASKPEN: 1900 printf("util_set_brush: R2_NOTMASKPEN ROP2 mode not supported!\n"); 1901 break; 1902 case R2_MASKPEN: 1903 printf("util_set_brush: R2_MASKPEN ROP2 mode not supported!\n"); 1904 break; 1905 case R2_NOTXORPEN: 1906 printf("util_set_brush: R2_NOTXORPEN ROP2 mode not supported!\n"); 1907 break; 1908 case R2_NOP: 1909 printf("util_set_brush: R2_NOP ROP2 mode not supported!\n"); 1910 break; 1911 case R2_MERGENOTPEN: 1912 printf("util_set_brush: R2_MERGENOTPEN ROP2 mode not supported!\n"); 1913 break; 1914 case R2_COPYPEN: 1915 mode = CopyCompositeOp; 1916 break; 1917 case R2_MERGEPENNOT: 1918 printf("util_set_brush: R2_MERGEPENNOT ROP2 mode not supported!\n"); 1919 break; 1920 case R2_MERGEPEN: 1921 printf("util_set_brush: R2_MERGEPEN ROP2 mode not supported!\n"); 1922 break; 1923 case R2_WHITE: 1924 printf("util_set_brush: R2_WHITE ROP2 mode not supported!\n"); 1925 break; 1926 default: 1927 { 1928 printf("util_set_brush: unexpected ROP2 enumeration %u!\n", 1929 (unsigned int)WMF_DC_ROP(dc)); 1930 } 1931 } 1932 1933 DrawPushDefs(WmfDrawingWand); 1934 draw_pattern_push(API, ddata->pattern_id, brush_bmp->width, 1935 brush_bmp->height); 1936 magick_wand=NewMagickWandFromImage(image); 1937 (void) DrawComposite(WmfDrawingWand,mode, 0, 0, brush_bmp->width, 1938 brush_bmp->height, magick_wand); 1939 magick_wand=DestroyMagickWand(magick_wand); 1940 (void) DrawPopPattern(WmfDrawingWand); 1941 DrawPopDefs(WmfDrawingWand); 1942 1943 { 1944 char 1945 pattern_id[MagickPathExtent]; 1946 1947 (void) FormatLocaleString(pattern_id,MagickPathExtent,"#brush_%lu", 1948 ddata->pattern_id); 1949 if ( brush_apply == BrushApplyStroke ) 1950 (void) DrawSetStrokePatternURL(WmfDrawingWand,pattern_id); 1951 else 1952 (void) DrawSetFillPatternURL(WmfDrawingWand,pattern_id); 1953 ++ddata->pattern_id; 1954 } 1955 } 1956 else 1957 printf("util_set_brush: no BMP image data!\n"); 1958 1959 break; 1960 } 1961 case BS_DIBPATTERNPT /* 6 */: 1962 /* WMF_BRUSH_COLOR ignored, WMF_BRUSH_HATCH provides pointer to 1963 DIB */ 1964 { 1965 printf("util_set_brush: BS_DIBPATTERNPT not supported\n"); 1966 break; 1967 } 1968 case BS_PATTERN8X8 /* 7 */: 1969 { 1970 printf("util_set_brush: BS_PATTERN8X8 not supported\n"); 1971 break; 1972 } 1973 case BS_DIBPATTERN8X8 /* 8 */: 1974 { 1975 printf("util_set_brush: BS_DIBPATTERN8X8 not supported\n"); 1976 break; 1977 } 1978 default: 1979 { 1980 } 1981 } 1982} 1983 1984static void util_set_pen(wmfAPI * API, wmfDC * dc) 1985{ 1986 wmf_magick_t 1987 *ddata = WMF_MAGICK_GetData(API); 1988 1989 wmfPen 1990 *pen = 0; 1991 1992 double 1993 pen_width, 1994 pixel_width; 1995 1996 unsigned int 1997 pen_style; 1998 1999 pen = WMF_DC_PEN(dc); 2000 2001 pen_width = (WMF_PEN_WIDTH(pen) + WMF_PEN_HEIGHT(pen)) / 2; 2002 2003 /* Pixel width is inverse of pixel scale */ 2004 pixel_width = (((double) 1 / (ddata->scale_x)) + 2005 ((double) 1 / (ddata->scale_y))) / 2; 2006 2007 /* Don't allow pen_width to be much less than pixel_width in order 2008 to avoid dissapearing or spider-web lines */ 2009 pen_width = MagickMax(pen_width, pixel_width*0.8); 2010 2011 pen_style = (unsigned int) WMF_PEN_STYLE(pen); 2012 2013 /* Pen style specified? */ 2014 if (pen_style == PS_NULL) 2015 { 2016 draw_stroke_color_string(WmfDrawingWand,"none"); 2017 return; 2018 } 2019 2020 DrawSetStrokeAntialias(WmfDrawingWand, MagickTrue ); 2021 DrawSetStrokeWidth(WmfDrawingWand, (unsigned long) MagickMax(0.0, pen_width)); 2022 2023 { 2024 LineCap 2025 linecap; 2026 2027 switch ((unsigned int) WMF_PEN_ENDCAP(pen)) 2028 { 2029 case PS_ENDCAP_SQUARE: 2030 linecap = SquareCap; 2031 break; 2032 case PS_ENDCAP_ROUND: 2033 linecap = RoundCap; 2034 break; 2035 case PS_ENDCAP_FLAT: 2036 default: 2037 linecap = ButtCap; 2038 break; 2039 } 2040 DrawSetStrokeLineCap(WmfDrawingWand, linecap); 2041 } 2042 2043 { 2044 LineJoin 2045 linejoin; 2046 2047 switch ((unsigned int) WMF_PEN_JOIN(pen)) 2048 { 2049 case PS_JOIN_BEVEL: 2050 linejoin = BevelJoin; 2051 break; 2052 case PS_JOIN_ROUND: 2053 linejoin = RoundJoin; 2054 break; 2055 case PS_JOIN_MITER: 2056 default: 2057 linejoin = MiterJoin; 2058 break; 2059 } 2060 DrawSetStrokeLineJoin(WmfDrawingWand,linejoin); 2061 } 2062 2063 { 2064 double 2065 dasharray[7]; 2066 2067 switch (pen_style) 2068 { 2069 case PS_DASH: /* ------- */ 2070 { 2071 /* Pattern 18,7 */ 2072 dasharray[0] = pixel_width * 18; 2073 dasharray[1] = pixel_width * 7; 2074 dasharray[2] = 0; 2075 2076 DrawSetStrokeAntialias(WmfDrawingWand,MagickFalse); 2077 (void) DrawSetStrokeDashArray(WmfDrawingWand,2,dasharray); 2078 break; 2079 } 2080 case PS_ALTERNATE: 2081 case PS_DOT: /* ....... */ 2082 { 2083 /* Pattern 3,3 */ 2084 dasharray[0] = pixel_width * 3; 2085 dasharray[1] = pixel_width * 3; 2086 dasharray[2] = 0; 2087 2088 DrawSetStrokeAntialias(WmfDrawingWand,MagickFalse); 2089 (void) DrawSetStrokeDashArray(WmfDrawingWand,2,dasharray); 2090 break; 2091 } 2092 case PS_DASHDOT: /* _._._._ */ 2093 { 2094 /* Pattern 9,6,3,6 */ 2095 dasharray[0] = pixel_width * 9; 2096 dasharray[1] = pixel_width * 6; 2097 dasharray[2] = pixel_width * 3; 2098 dasharray[3] = pixel_width * 6; 2099 dasharray[4] = 0; 2100 2101 DrawSetStrokeAntialias(WmfDrawingWand,MagickFalse); 2102 (void) DrawSetStrokeDashArray(WmfDrawingWand,4,dasharray); 2103 break; 2104 } 2105 case PS_DASHDOTDOT: /* _.._.._ */ 2106 { 2107 /* Pattern 9,3,3,3,3,3 */ 2108 dasharray[0] = pixel_width * 9; 2109 dasharray[1] = pixel_width * 3; 2110 dasharray[2] = pixel_width * 3; 2111 dasharray[3] = pixel_width * 3; 2112 dasharray[4] = pixel_width * 3; 2113 dasharray[5] = pixel_width * 3; 2114 dasharray[6] = 0; 2115 2116 DrawSetStrokeAntialias(WmfDrawingWand,MagickFalse); 2117 (void) DrawSetStrokeDashArray(WmfDrawingWand,6,dasharray); 2118 break; 2119 } 2120 case PS_INSIDEFRAME: /* There is nothing to do in this case... */ 2121 case PS_SOLID: 2122 default: 2123 { 2124 (void) DrawSetStrokeDashArray(WmfDrawingWand,0,(double *) NULL); 2125 break; 2126 } 2127 } 2128 } 2129 2130 draw_stroke_color_rgb(API,WMF_PEN_COLOR(pen)); 2131} 2132 2133/* Estimate font pointsize based on Windows font parameters */ 2134static double util_pointsize( wmfAPI* API, wmfFont* font, char* str, double font_height, ExceptionInfo *exception) 2135{ 2136 wmf_magick_t 2137 *ddata = WMF_MAGICK_GetData(API); 2138 2139 Image 2140 *image = ddata->image; 2141 2142 TypeMetric 2143 metrics; 2144 2145 DrawInfo 2146 *draw_info; 2147 2148 double 2149 pointsize = 0; 2150 2151 draw_info=ddata->draw_info; 2152 if (draw_info == (const DrawInfo *) NULL) 2153 return 0; 2154 2155 draw_info->font=WMF_FONT_PSNAME(font); 2156 draw_info->pointsize=font_height; 2157 draw_info->text=str; 2158 2159 if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse) 2160 { 2161 2162 if (strlen(str) == 1) 2163 { 2164 pointsize = (font_height * 2165 ( font_height / (metrics.ascent + fabs(metrics.descent)))); 2166 draw_info->pointsize = pointsize; 2167 if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse) 2168 pointsize *= (font_height / ( metrics.ascent + fabs(metrics.descent))); 2169 } 2170 else 2171 { 2172 pointsize = (font_height * (font_height / (metrics.height))); 2173 draw_info->pointsize = pointsize; 2174 if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse) 2175 pointsize *= (font_height / metrics.height); 2176 2177 } 2178#if 0 2179 draw_info.pointsize = pointsize; 2180 if (GetTypeMetrics(image, &draw_info, &metrics, exception) != MagickFalse) 2181 pointsize *= (font_height / (metrics.ascent + fabs(metrics.descent))); 2182 pointsize *= 1.114286; /* Magic number computed through trial and error */ 2183#endif 2184 } 2185 2186 draw_info->font=NULL; 2187 draw_info->text=NULL; 2188#if 0 2189 printf("String = %s\n", str); 2190 printf("Font = %s\n", WMF_FONT_PSNAME(font)); 2191 printf("lfHeight = %g\n", font_height); 2192 printf("bounds = %g,%g %g,%g\n", metrics.bounds.x1, metrics.bounds.y1, 2193 metrics.bounds.x2,metrics.bounds.y2); 2194 printf("ascent = %g\n", metrics.ascent); 2195 printf("descent = %g\n", metrics.descent); 2196 printf("height = %g\n", metrics.height); 2197 printf("Pointsize = %g\n", pointsize); 2198#endif 2199 2200 return floor(pointsize); 2201} 2202 2203#if defined(MAGICKCORE_WMF_DELEGATE) 2204/* Estimate weight based on font name */ 2205/* 2206static int util_font_weight( const char* font ) 2207{ 2208 int 2209 weight; 2210 2211 weight = 400; 2212 if ((strstr(font,"Normal") || strstr(font,"Regular"))) 2213 weight = 400; 2214 else if ( strstr(font,"Bold") ) 2215 { 2216 weight = 700; 2217 if ((strstr(font,"Semi") || strstr(font,"Demi"))) 2218 weight = 600; 2219 if ( (strstr(font,"Extra") || strstr(font,"Ultra"))) 2220 weight = 800; 2221 } 2222 else if ( strstr(font,"Light") ) 2223 { 2224 weight = 300; 2225 if ( (strstr(font,"Extra") || strstr(font,"Ultra"))) 2226 weight = 200; 2227 } 2228 else if ((strstr(font,"Heavy") || strstr(font,"Black"))) 2229 weight = 900; 2230 else if ( strstr(font,"Thin") ) 2231 weight = 100; 2232 return weight; 2233} 2234*/ 2235 2236/* 2237 * Returns width of string in points, assuming (unstretched) font size of 1pt 2238 * (similar to wmf_ipa_font_stringwidth) 2239 * 2240 * This extremely odd at best, particularly since player/meta.h has access 2241 * to the corrected font_height (as drawtext.font_height) when it invokes the 2242 * stringwidth callback. It should be possible to compute the real stringwidth! 2243 */ 2244static float lite_font_stringwidth( wmfAPI* API, wmfFont* font, char* str) 2245{ 2246#if 0 2247 wmf_magick_t 2248 *ddata = WMF_MAGICK_GetData(API); 2249 2250 Image 2251 *image = ddata->image; 2252 2253 DrawInfo 2254 *draw_info; 2255 2256 ExceptionInfo 2257 *exception; 2258 2259 TypeMetric 2260 metrics; 2261 2262 float 2263 stringwidth = 0; 2264 2265 double 2266 orig_x_resolution, 2267 orig_y_resolution; 2268 2269 ResolutionType 2270 orig_resolution_units; 2271 2272 orig_x_resolution = image->resolution.x; 2273 orig_y_resolution = image->resolution.y; 2274 orig_resolution_units = image->units; 2275 2276 draw_info=ddata->draw_info; 2277 if (draw_info == (const DrawInfo *) NULL) 2278 return 0; 2279 2280 draw_info->font=WMF_FONT_PSNAME(font); 2281 draw_info->pointsize=12; 2282 draw_info->text=str; 2283 2284 image->resolution.x = 72; 2285 image->resolution.y = 72; 2286 image->units = PixelsPerInchResolution; 2287 2288 exception=ddata->exception; 2289 if (GetTypeMetrics(image, draw_info, &metrics, exception) != MagickFalse) 2290 stringwidth = ((metrics.width * 72)/(image->resolution.x * draw_info->pointsize)); /* *0.916348; */ 2291 2292 draw_info->font=NULL; 2293 draw_info->text=NULL; 2294 2295#if 0 2296 printf("\nlite_font_stringwidth\n"); 2297 printf("string = \"%s\"\n", str); 2298 printf("WMF_FONT_NAME = \"%s\"\n", WMF_FONT_NAME(font)); 2299 printf("WMF_FONT_PSNAME = \"%s\"\n", WMF_FONT_PSNAME(font)); 2300 printf("stringwidth = %g\n", stringwidth); 2301 /* printf("WMF_FONT_HEIGHT = %i\n", (int)WMF_FONT_HEIGHT(font)); */ 2302 /* printf("WMF_FONT_WIDTH = %i\n", (int)WMF_FONT_WIDTH(font)); */ 2303 fflush(stdout); 2304#endif 2305 2306 image->resolution.x = orig_x_resolution; 2307 image->resolution.y = orig_y_resolution; 2308 image->units = orig_resolution_units; 2309 2310 return stringwidth; 2311#else 2312 (void) API; 2313 (void) font; 2314 (void) str; 2315 2316 return 0; 2317#endif 2318} 2319 2320/* Map font (similar to wmf_ipa_font_map) */ 2321 2322/* Mappings to Postscript fonts: family, normal, italic, bold, bolditalic */ 2323static wmfFontMap WMFFontMap[] = { 2324 { (char *) "Courier", (char *) "Courier", 2325 (char *) "Courier-Oblique", (char *) "Courier-Bold", 2326 (char *) "Courier-BoldOblique" }, 2327 { (char *) "Helvetica", (char *) "Helvetica", 2328 (char *) "Helvetica-Oblique", (char *) "Helvetica-Bold", 2329 (char *) "Helvetica-BoldOblique" }, 2330 { (char *) "Modern", (char *) "Courier", 2331 (char *) "Courier-Oblique", (char *) "Courier-Bold", 2332 (char *) "Courier-BoldOblique" }, 2333 { (char *) "Monotype Corsiva", (char *) "Courier", 2334 (char *) "Courier-Oblique", (char *) "Courier-Bold", 2335 (char *) "Courier-BoldOblique" }, 2336 { (char *) "News Gothic", (char *) "Helvetica", 2337 (char *) "Helvetica-Oblique", (char *) "Helvetica-Bold", 2338 (char *) "Helvetica-BoldOblique" }, 2339 { (char *) "Symbol", (char *) "Symbol", 2340 (char *) "Symbol", (char *) "Symbol", 2341 (char *) "Symbol" }, 2342 { (char *) "System", (char *) "Courier", 2343 (char *) "Courier-Oblique", (char *) "Courier-Bold", 2344 (char *) "Courier-BoldOblique" }, 2345 { (char *) "Times", (char *) "Times-Roman", 2346 (char *) "Times-Italic", (char *) "Times-Bold", 2347 (char *) "Times-BoldItalic" }, 2348 { (char *) NULL, (char *) NULL, 2349 (char *) NULL, (char *) NULL, 2350 (char *) NULL } 2351}; 2352 2353 2354/* Mapping between base name and Ghostscript family name */ 2355static wmfMapping SubFontMap[] = 2356{ 2357 { (char *) "Arial", (char *) "Helvetica", FT_ENCODING_NONE }, 2358 { (char *) "Courier", (char *) "Courier", FT_ENCODING_NONE }, 2359 { (char *) "Fixed", (char *) "Courier", FT_ENCODING_NONE }, 2360 { (char *) "Helvetica", (char *) "Helvetica", FT_ENCODING_NONE }, 2361 { (char *) "Sans", (char *) "Helvetica", FT_ENCODING_NONE }, 2362 { (char *) "Sym", (char *) "Symbol", FT_ENCODING_NONE }, 2363 { (char *) "Terminal", (char *) "Courier", FT_ENCODING_NONE }, 2364 { (char *) "Times", (char *) "Times", FT_ENCODING_NONE }, 2365 { (char *) "Wingdings", (char *) "Symbol", FT_ENCODING_NONE }, 2366 { (char *) NULL, (char *) NULL, FT_ENCODING_NONE } 2367}; 2368 2369static void lite_font_map( wmfAPI* API, wmfFont* font) 2370{ 2371 wmfFontData 2372 *font_data; 2373 2374 wmf_magick_font_t 2375 *magick_font; 2376 2377 wmf_magick_t 2378 *ddata = WMF_MAGICK_GetData(API); 2379 2380 ExceptionInfo 2381 *exception; 2382 2383 const TypeInfo 2384 *type_info, 2385 *type_info_base; 2386 2387 const char 2388 *wmf_font_name; 2389 2390 if (font == 0) 2391 return; 2392 2393 font_data = (wmfFontData*)API->font_data; 2394 font->user_data = font_data->user_data; 2395 magick_font = (wmf_magick_font_t*)font->user_data; 2396 wmf_font_name = WMF_FONT_NAME(font); 2397 2398 if (magick_font->ps_name != (char *) NULL) 2399 magick_font->ps_name=DestroyString(magick_font->ps_name); 2400 2401 exception=ddata->exception; 2402 type_info_base=GetTypeInfo("*",exception); 2403 if (type_info_base == 0) 2404 return; 2405 2406 /* Certain short-hand font names are not the proper Windows names 2407 and should be promoted to the proper names */ 2408 if (LocaleCompare(wmf_font_name,"Times") == 0) 2409 wmf_font_name = "Times New Roman"; 2410 else if (LocaleCompare(wmf_font_name,"Courier") == 0) 2411 wmf_font_name = "Courier New"; 2412 2413 /* Look for a family-based best-match */ 2414 if (!magick_font->ps_name) 2415 { 2416 int 2417 target_weight; 2418 2419 if (WMF_FONT_WEIGHT(font) == 0) 2420 target_weight = 400; 2421 else 2422 target_weight = WMF_FONT_WEIGHT(font); 2423 type_info=GetTypeInfoByFamily(wmf_font_name,AnyStyle,AnyStretch, 2424 target_weight,exception); 2425 if (type_info == (const TypeInfo *) NULL) 2426 type_info=GetTypeInfoByFamily(wmf_font_name,AnyStyle,AnyStretch,0, 2427 exception); 2428 if (type_info != (const TypeInfo *) NULL) 2429 CloneString(&magick_font->ps_name,type_info->name); 2430 } 2431 2432 /* Now let's try simple substitution mappings from WMFFontMap */ 2433 if (!magick_font->ps_name) 2434 { 2435 char 2436 target[MagickPathExtent]; 2437 2438 int 2439 target_weight = 400, 2440 want_italic = MagickFalse, 2441 want_bold = MagickFalse, 2442 i; 2443 2444 if ( WMF_FONT_WEIGHT(font) != 0 ) 2445 target_weight = WMF_FONT_WEIGHT(font); 2446 2447 if ( (target_weight > 550) || ((strstr(wmf_font_name,"Bold") || 2448 strstr(wmf_font_name,"Heavy") || 2449 strstr(wmf_font_name,"Black"))) ) 2450 want_bold = MagickTrue; 2451 2452 if ( (WMF_FONT_ITALIC(font)) || ((strstr(wmf_font_name,"Italic") || 2453 strstr(wmf_font_name,"Oblique"))) ) 2454 want_italic = MagickTrue; 2455 2456 (void) CopyMagickString(target,"Times",MagickPathExtent); 2457 for( i=0; SubFontMap[i].name != NULL; i++ ) 2458 { 2459 if (LocaleCompare(wmf_font_name, SubFontMap[i].name) == 0) 2460 { 2461 (void) CopyMagickString(target,SubFontMap[i].mapping, 2462 MagickPathExtent); 2463 break; 2464 } 2465 } 2466 2467 for( i=0; WMFFontMap[i].name != NULL; i++ ) 2468 { 2469 if (LocaleNCompare(WMFFontMap[i].name,target,strlen(WMFFontMap[i].name)) == 0) 2470 { 2471 if (want_bold && want_italic) 2472 CloneString(&magick_font->ps_name,WMFFontMap[i].bolditalic); 2473 else if (want_italic) 2474 CloneString(&magick_font->ps_name,WMFFontMap[i].italic); 2475 else if (want_bold) 2476 CloneString(&magick_font->ps_name,WMFFontMap[i].bold); 2477 else 2478 CloneString(&magick_font->ps_name,WMFFontMap[i].normal); 2479 } 2480 } 2481 } 2482 2483#if 0 2484 printf("\nlite_font_map\n"); 2485 printf("WMF_FONT_NAME = \"%s\"\n", WMF_FONT_NAME(font)); 2486 printf("WMF_FONT_WEIGHT = %i\n", WMF_FONT_WEIGHT(font)); 2487 printf("WMF_FONT_PSNAME = \"%s\"\n", WMF_FONT_PSNAME(font)); 2488 fflush(stdout); 2489#endif 2490 2491} 2492 2493/* Initialize API font structures */ 2494static void lite_font_init( wmfAPI* API, wmfAPI_Options* options) 2495{ 2496 wmfFontData 2497 *font_data; 2498 2499 (void) options; 2500 API->fonts = 0; 2501 2502 /* Allocate wmfFontData data structure */ 2503 API->font_data = wmf_malloc(API,sizeof(wmfFontData)); 2504 if (ERR (API)) 2505 return; 2506 2507 font_data = (wmfFontData*)API->font_data; 2508 2509 /* Assign function to map font (type wmfMap) */ 2510 font_data->map = lite_font_map; 2511 2512 /* Assign function to return string width in points (type wmfStringWidth) */ 2513 font_data->stringwidth = lite_font_stringwidth; 2514 2515 /* Assign user data, not used by libwmflite (type void*) */ 2516 font_data->user_data = wmf_malloc(API,sizeof(wmf_magick_font_t)); 2517 if (ERR(API)) 2518 return; 2519 ((wmf_magick_font_t*)font_data->user_data)->ps_name = 0; 2520 ((wmf_magick_font_t*)font_data->user_data)->pointsize = 0; 2521} 2522 2523#endif /* MAGICKCORE_WMF_DELEGATE */ 2524 2525/* BLOB read byte */ 2526static int ipa_blob_read(void* wand) 2527{ 2528 return ReadBlobByte((Image*)wand); 2529} 2530 2531/* BLOB seek */ 2532static int ipa_blob_seek(void* wand,long position) 2533{ 2534 return (int)SeekBlob((Image*)wand,(MagickOffsetType) position,SEEK_SET); 2535} 2536 2537/* BLOB tell */ 2538static long ipa_blob_tell(void* wand) 2539{ 2540 return (long)TellBlob((Image*)wand); 2541} 2542 2543static Image *ReadWMFImage(const ImageInfo *image_info,ExceptionInfo *exception) 2544{ 2545 double 2546 bounding_height, 2547 bounding_width, 2548 image_height, 2549 image_height_inch, 2550 image_width, 2551 image_width_inch, 2552 resolution_y, 2553 resolution_x, 2554 units_per_inch; 2555 2556 float 2557 wmf_width, 2558 wmf_height; 2559 2560 Image 2561 *image; 2562 2563 MagickBooleanType 2564 status; 2565 2566 unsigned long 2567 wmf_options_flags = 0; 2568 2569 wmf_error_t 2570 wmf_error; 2571 2572 wmf_magick_t 2573 *ddata = 0; 2574 2575 wmfAPI 2576 *API = 0; 2577 2578 wmfAPI_Options 2579 wmf_api_options; 2580 2581 wmfD_Rect 2582 bbox; 2583 2584 image=AcquireImage(image_info,exception); 2585 if (OpenBlob(image_info,image,ReadBinaryBlobMode,exception) == MagickFalse) 2586 { 2587 if (image->debug != MagickFalse) 2588 { 2589 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2590 " OpenBlob failed"); 2591 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2592 "leave ReadWMFImage()"); 2593 } 2594 image=DestroyImageList(image); 2595 return((Image *) NULL); 2596 } 2597 2598 /* 2599 * Create WMF API 2600 * 2601 */ 2602 2603 /* Register callbacks */ 2604 wmf_options_flags |= WMF_OPT_FUNCTION; 2605 (void) ResetMagickMemory(&wmf_api_options, 0, sizeof(wmf_api_options)); 2606 wmf_api_options.function = ipa_functions; 2607 2608 /* Ignore non-fatal errors */ 2609 wmf_options_flags |= WMF_OPT_IGNORE_NONFATAL; 2610 2611 wmf_error = wmf_api_create(&API, wmf_options_flags, &wmf_api_options); 2612 if (wmf_error != wmf_E_None) 2613 { 2614 if (API) 2615 wmf_api_destroy(API); 2616 if (image->debug != MagickFalse) 2617 { 2618 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2619 " wmf_api_create failed"); 2620 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2621 "leave ReadWMFImage()"); 2622 } 2623 ThrowReaderException(DelegateError,"UnableToInitializeWMFLibrary"); 2624 } 2625 2626 /* Register progress monitor */ 2627 wmf_status_function(API,image,magick_progress_callback); 2628 2629 ddata=WMF_MAGICK_GetData(API); 2630 ddata->image=image; 2631 ddata->image_info=image_info; 2632 ddata->draw_info=CloneDrawInfo(image_info,(const DrawInfo *) NULL); 2633 ddata->exception=exception; 2634 ddata->draw_info->font=(char *) 2635 RelinquishMagickMemory(ddata->draw_info->font); 2636 ddata->draw_info->text=(char *) 2637 RelinquishMagickMemory(ddata->draw_info->text); 2638 2639#if defined(MAGICKCORE_WMF_DELEGATE) 2640 /* Must initialize font subystem for WMFlite interface */ 2641 lite_font_init (API,&wmf_api_options); /* similar to wmf_ipa_font_init in src/font.c */ 2642 /* wmf_arg_fontdirs (API,options); */ /* similar to wmf_arg_fontdirs in src/wmf.c */ 2643 2644#endif 2645 2646 /* 2647 * Open BLOB input via libwmf API 2648 * 2649 */ 2650 wmf_error = wmf_bbuf_input(API,ipa_blob_read,ipa_blob_seek, 2651 ipa_blob_tell,(void*)image); 2652 if (wmf_error != wmf_E_None) 2653 { 2654 wmf_api_destroy(API); 2655 if (image->debug != MagickFalse) 2656 { 2657 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2658 " wmf_bbuf_input failed"); 2659 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2660 "leave ReadWMFImage()"); 2661 } 2662 ThrowFileException(exception,FileOpenError,"UnableToOpenFile", 2663 image->filename); 2664 image=DestroyImageList(image); 2665 return((Image *) NULL); 2666 } 2667 2668 /* 2669 * Scan WMF file 2670 * 2671 */ 2672 if (image->debug != MagickFalse) 2673 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2674 " Scanning WMF to obtain bounding box"); 2675 wmf_error=wmf_scan(API, 0, &bbox); 2676 if (wmf_error != wmf_E_None) 2677 { 2678 wmf_api_destroy(API); 2679 if (image->debug != MagickFalse) 2680 { 2681 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2682 " wmf_scan failed with wmf_error %d", wmf_error); 2683 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2684 "leave ReadWMFImage()"); 2685 } 2686 ThrowReaderException(DelegateError,"FailedToScanFile"); 2687 } 2688 2689 /* 2690 * Compute dimensions and scale factors 2691 * 2692 */ 2693 2694 ddata->bbox=bbox; 2695 2696 /* User specified resolution */ 2697 resolution_y=DefaultResolution; 2698 if (image->resolution.y != 0.0) 2699 { 2700 resolution_y = image->resolution.y; 2701 if (image->units == PixelsPerCentimeterResolution) 2702 resolution_y *= CENTIMETERS_PER_INCH; 2703 } 2704 resolution_x=DefaultResolution; 2705 if (image->resolution.x != 0.0) 2706 { 2707 resolution_x = image->resolution.x; 2708 if (image->units == PixelsPerCentimeterResolution) 2709 resolution_x *= CENTIMETERS_PER_INCH; 2710 } 2711 2712 /* Obtain output size expressed in metafile units */ 2713 wmf_error=wmf_size(API,&wmf_width,&wmf_height); 2714 if (wmf_error != wmf_E_None) 2715 { 2716 wmf_api_destroy(API); 2717 if (image->debug != MagickFalse) 2718 { 2719 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2720 " wmf_size failed with wmf_error %d", wmf_error); 2721 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2722 "leave ReadWMFImage()"); 2723 } 2724 ThrowReaderException(DelegateError,"FailedToComputeOutputSize"); 2725 } 2726 2727 /* Obtain (or guess) metafile units */ 2728 if ((API)->File->placeable) 2729 units_per_inch=(API)->File->pmh->Inch; 2730 else if ( (wmf_width*wmf_height) < 1024*1024) 2731 units_per_inch=POINTS_PER_INCH; /* MM_TEXT */ 2732 else 2733 units_per_inch=TWIPS_PER_INCH; /* MM_TWIPS */ 2734 2735 /* Calculate image width and height based on specified DPI 2736 resolution */ 2737 image_width_inch = (double) wmf_width / units_per_inch; 2738 image_height_inch = (double) wmf_height / units_per_inch; 2739 image_width = image_width_inch * resolution_x; 2740 image_height = image_height_inch * resolution_y; 2741 2742 /* Compute bounding box scale factors and origin translations 2743 * 2744 * This all just a hack since libwmf does not currently seem to 2745 * provide the mapping between LOGICAL coordinates and DEVICE 2746 * coordinates. This mapping is necessary in order to know 2747 * where to place the logical bounding box within the image. 2748 * 2749 */ 2750 2751 bounding_width = bbox.BR.x - bbox.TL.x; 2752 bounding_height = bbox.BR.y - bbox.TL.y; 2753 2754 ddata->scale_x = image_width/bounding_width; 2755 ddata->translate_x = 0-bbox.TL.x; 2756 ddata->rotate = 0; 2757 2758 /* Heuristic: guess that if the vertical coordinates mostly span 2759 negative values, then the image must be inverted. */ 2760 if ( fabs(bbox.BR.y) > fabs(bbox.TL.y) ) 2761 { 2762 /* Normal (Origin at top left of image) */ 2763 ddata->scale_y = (image_height/bounding_height); 2764 ddata->translate_y = 0-bbox.TL.y; 2765 } 2766 else 2767 { 2768 /* Inverted (Origin at bottom left of image) */ 2769 ddata->scale_y = (-image_height/bounding_height); 2770 ddata->translate_y = 0-bbox.BR.y; 2771 } 2772 2773 if (image->debug != MagickFalse) 2774 { 2775 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2776 " Placeable metafile: %s", 2777 (API)->File->placeable ? "Yes" : "No"); 2778 2779 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2780 " Size in metafile units: %gx%g",wmf_width,wmf_height); 2781 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2782 " Metafile units/inch: %g",units_per_inch); 2783 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2784 " Size in inches: %gx%g", 2785 image_width_inch,image_height_inch); 2786 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2787 " Bounding Box: %g,%g %g,%g", 2788 bbox.TL.x, bbox.TL.y, bbox.BR.x, bbox.BR.y); 2789 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2790 " Bounding width x height: %gx%g",bounding_width, 2791 bounding_height); 2792 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2793 " Output resolution: %gx%g",resolution_x,resolution_y); 2794 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2795 " Image size: %gx%g",image_width,image_height); 2796 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2797 " Bounding box scale factor: %g,%g",ddata->scale_x, 2798 ddata->scale_y); 2799 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2800 " Translation: %g,%g", 2801 ddata->translate_x, ddata->translate_y); 2802 } 2803 2804#if 0 2805#if 0 2806 { 2807 typedef struct _wmfPlayer_t wmfPlayer_t; 2808 struct _wmfPlayer_t 2809 { 2810 wmfPen default_pen; 2811 wmfBrush default_brush; 2812 wmfFont default_font; 2813 2814 wmfDC* dc; /* current dc */ 2815 }; 2816 2817 wmfDC 2818 *dc; 2819 2820#define WMF_ELICIT_DC(API) (((wmfPlayer_t*)((API)->player_data))->dc) 2821 2822 dc = WMF_ELICIT_DC(API); 2823 2824 printf("dc->Window.Ox = %d\n", dc->Window.Ox); 2825 printf("dc->Window.Oy = %d\n", dc->Window.Oy); 2826 printf("dc->Window.width = %d\n", dc->Window.width); 2827 printf("dc->Window.height = %d\n", dc->Window.height); 2828 printf("dc->pixel_width = %g\n", dc->pixel_width); 2829 printf("dc->pixel_height = %g\n", dc->pixel_height); 2830#if defined(MAGICKCORE_WMF_DELEGATE) /* Only in libwmf 0.3 */ 2831 printf("dc->Ox = %.d\n", dc->Ox); 2832 printf("dc->Oy = %.d\n", dc->Oy); 2833 printf("dc->width = %.d\n", dc->width); 2834 printf("dc->height = %.d\n", dc->height); 2835#endif 2836 2837 } 2838#endif 2839 2840#endif 2841 2842 /* 2843 * Create canvas image 2844 * 2845 */ 2846 image->rows=(unsigned long) ceil(image_height); 2847 image->columns=(unsigned long) ceil(image_width); 2848 2849 if (image_info->ping != MagickFalse) 2850 { 2851 wmf_api_destroy(API); 2852 (void) CloseBlob(image); 2853 if (image->debug != MagickFalse) 2854 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2855 "leave ReadWMFImage()"); 2856 return(GetFirstImageInList(image)); 2857 } 2858 status=SetImageExtent(image,image->columns,image->rows,exception); 2859 if (status == MagickFalse) 2860 return(DestroyImageList(image)); 2861 if (image->debug != MagickFalse) 2862 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2863 " Creating canvas image with size %lux%lu",(unsigned long) image->rows, 2864 (unsigned long) image->columns); 2865 2866 /* 2867 * Set solid background color 2868 */ 2869 { 2870 image->background_color = image_info->background_color; 2871 if (image->background_color.alpha != OpaqueAlpha) 2872 image->alpha_trait=BlendPixelTrait; 2873 (void) SetImageBackgroundColor(image,exception); 2874 } 2875 /* 2876 * Play file to generate Vector drawing commands 2877 * 2878 */ 2879 2880 if (image->debug != MagickFalse) 2881 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2882 " Playing WMF to prepare vectors"); 2883 2884 wmf_error = wmf_play(API, 0, &bbox); 2885 if (wmf_error != wmf_E_None) 2886 { 2887 wmf_api_destroy(API); 2888 if (image->debug != MagickFalse) 2889 { 2890 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2891 " Playing WMF failed with wmf_error %d", wmf_error); 2892 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2893 "leave ReadWMFImage()"); 2894 } 2895 ThrowReaderException(DelegateError,"FailedToRenderFile"); 2896 } 2897 2898 /* 2899 * Scribble on canvas image 2900 * 2901 */ 2902 2903 if (image->debug != MagickFalse) 2904 (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2905 " Rendering WMF vectors"); 2906 DrawRender(ddata->draw_wand); 2907 2908 if (image->debug != MagickFalse) 2909 (void) LogMagickEvent(CoderEvent,GetMagickModule(),"leave ReadWMFImage()"); 2910 2911 /* Cleanup allocated data */ 2912 wmf_api_destroy(API); 2913 (void) CloseBlob(image); 2914 2915 /* Return image */ 2916 return image; 2917} 2918#endif 2919 2920/* 2921%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2922% % 2923% % 2924% % 2925% R e g i s t e r W M F I m a g e % 2926% % 2927% % 2928% % 2929%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2930% 2931% RegisterWMFImage() adds attributes for the WMF image format to 2932% the list of supported formats. The attributes include the image format 2933% tag, a method to read and/or write the format, whether the format 2934% supports the saving of more than one frame to the same file or blob, 2935% whether the format supports native in-memory I/O, and a brief 2936% description of the format. 2937% 2938% The format of the RegisterWMFImage method is: 2939% 2940% size_t RegisterWMFImage(void) 2941% 2942*/ 2943ModuleExport size_t RegisterWMFImage(void) 2944{ 2945 MagickInfo 2946 *entry; 2947 2948 entry = AcquireMagickInfo("WMF","WMZ","Compressed Windows Meta File"); 2949#if defined(MAGICKCORE_SANS_DELEGATE) || defined(MAGICKCORE_WMF_DELEGATE) 2950 entry->decoder=ReadWMFImage; 2951#endif 2952 entry->flags|=CoderSeekableStreamFlag; 2953 (void) RegisterMagickInfo(entry); 2954 entry=AcquireMagickInfo("WMF","WMF","Windows Meta File"); 2955#if defined(MAGICKCORE_SANS_DELEGATE) || defined(MAGICKCORE_WMF_DELEGATE) 2956 entry->decoder=ReadWMFImage; 2957#endif 2958 (void) RegisterMagickInfo(entry); 2959 return(MagickImageCoderSignature); 2960} 2961 2962/* 2963%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2964% % 2965% % 2966% % 2967% U n r e g i s t e r W M F I m a g e % 2968% % 2969% % 2970% % 2971%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2972% 2973% UnregisterWMFImage() removes format registrations made by the 2974% WMF module from the list of supported formats. 2975% 2976% The format of the UnregisterWMFImage method is: 2977% 2978% UnregisterWMFImage(void) 2979% 2980*/ 2981ModuleExport void UnregisterWMFImage(void) 2982{ 2983 (void) UnregisterMagickInfo("WMZ"); 2984 (void) UnregisterMagickInfo("WMF"); 2985} 2986