Image.h revision e6e40ada97dd07b629238f845f92c9c0b75dc487
1// This may look like C code, but it is really -*- C++ -*- 2// 3// Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002, 2003 4// 5// Definition of Image, the representation of a single image in Magick++ 6// 7 8#if !defined(Magick_Image_header) 9#define Magick_Image_header 10 11#include "Magick++/Include.h" 12#include <string> 13#include <list> 14#include "Magick++/Blob.h" 15#include "Magick++/Color.h" 16#include "Magick++/Drawable.h" 17#include "Magick++/Exception.h" 18#include "Magick++/Geometry.h" 19#include "Magick++/TypeMetric.h" 20 21namespace Magick 22{ 23 // Forward declarations 24 class Options; 25 class ImageRef; 26 27 extern MagickPPExport const char *borderGeometryDefault; 28 extern MagickPPExport const char *frameGeometryDefault; 29 extern MagickPPExport const char *raiseGeometryDefault; 30 31 // Compare two Image objects regardless of LHS/RHS 32 // Image sizes and signatures are used as basis of comparison 33 MagickPPExport int operator == 34 (const Magick::Image &left_,const Magick::Image &right_); 35 MagickPPExport int operator != 36 (const Magick::Image &left_,const Magick::Image &right_); 37 MagickPPExport int operator > 38 (const Magick::Image &left_,const Magick::Image &right_); 39 MagickPPExport int operator < 40 (const Magick::Image &left_,const Magick::Image &right_); 41 MagickPPExport int operator >= 42 (const Magick::Image &left_,const Magick::Image &right_); 43 MagickPPExport int operator <= 44 (const Magick::Image &left_,const Magick::Image &right_); 45 46 // 47 // Image is the representation of an image. In reality, it actually 48 // a handle object which contains a pointer to a shared reference 49 // object (ImageRef). As such, this object is extremely space efficient. 50 // 51 class MagickPPExport Image 52 { 53 public: 54 55 // Obtain image statistics. Statistics are normalized to the range 56 // of 0.0 to 1.0 and are output to the specified ImageStatistics 57 // structure. 58 typedef struct _ImageChannelStatistics 59 { 60 /* Minimum value observed */ 61 double maximum; 62 /* Maximum value observed */ 63 double minimum; 64 /* Average (mean) value observed */ 65 double mean; 66 /* Standard deviation, sqrt(variance) */ 67 double standard_deviation; 68 /* Variance */ 69 double variance; 70 /* Kurtosis */ 71 double kurtosis; 72 /* Skewness */ 73 double skewness; 74 } ImageChannelStatistics; 75 76 typedef struct _ImageStatistics 77 { 78 ImageChannelStatistics red; 79 ImageChannelStatistics green; 80 ImageChannelStatistics blue; 81 ImageChannelStatistics alpha; 82 } ImageStatistics; 83 84 // Default constructor 85 Image(void); 86 87 // Construct Image from in-memory BLOB 88 Image(const Blob &blob_); 89 90 // Construct Image of specified size from in-memory BLOB 91 Image(const Blob &blob_,const Geometry &size_); 92 93 // Construct Image of specified size and depth from in-memory BLOB 94 Image(const Blob &blob_,const Geometry &size,const size_t depth); 95 96 // Construct Image of specified size, depth, and format from 97 // in-memory BLOB 98 Image(const Blob &blob_,const Geometry &size,const size_t depth_, 99 const std::string &magick_); 100 101 // Construct Image of specified size, and format from in-memory BLOB 102 Image(const Blob &blob_,const Geometry &size,const std::string &magick_); 103 104 // Construct a blank image canvas of specified size and color 105 Image(const Geometry &size_,const Color &color_); 106 107 // Copy constructor 108 Image(const Image &image_); 109 110 // Construct an image based on an array of raw pixels, of 111 // specified type and mapping, in memory 112 Image(const size_t width_,const size_t height_,const std::string &map_, 113 const StorageType type_,const void *pixels_); 114 115 // Construct from image file or image specification 116 Image(const std::string &imageSpec_); 117 118 // Destructor 119 virtual ~Image(); 120 121 // Assignment operator 122 Image& operator=(const Image &image_); 123 124 // Join images into a single multi-image file 125 void adjoin(const bool flag_); 126 bool adjoin(void) const; 127 128 // Image supports transparency (alpha channel) 129 void alpha(const bool alphaFlag_); 130 bool alpha(void) const; 131 132 // Transparent color 133 void alphaColor(const Color &alphaColor_); 134 Color alphaColor(void) const; 135 136 // Anti-alias Postscript and TrueType fonts (default true) 137 void antiAlias(const bool flag_); 138 bool antiAlias(void); 139 140 // Time in 1/100ths of a second which must expire before 141 // displaying the next image in an animated sequence. 142 void animationDelay(const size_t delay_); 143 size_t animationDelay(void) const; 144 145 // Number of iterations to loop an animation (e.g. Netscape loop 146 // extension) for. 147 void animationIterations(const size_t iterations_); 148 size_t animationIterations(void) const; 149 150 // Image background color 151 void backgroundColor(const Color &color_); 152 Color backgroundColor(void) const; 153 154 // Name of texture image to tile onto the image background 155 void backgroundTexture(const std::string &backgroundTexture_); 156 std::string backgroundTexture(void) const; 157 158 // Base image width (before transformations) 159 size_t baseColumns(void) const; 160 161 // Base image filename (before transformations) 162 std::string baseFilename(void) const; 163 164 // Base image height (before transformations) 165 size_t baseRows(void) const; 166 167 // Image border color 168 void borderColor(const Color &color_); 169 Color borderColor(void) const; 170 171 // Return smallest bounding box enclosing non-border pixels. The 172 // current fuzz value is used when discriminating between pixels. 173 // This is the crop bounding box used by crop(Geometry(0,0)); 174 Geometry boundingBox(void) const; 175 176 // Text bounding-box base color (default none) 177 void boxColor(const Color &boxColor_); 178 Color boxColor(void) const; 179 180 // Set or obtain modulus channel depth 181 void channelDepth(const size_t depth_); 182 size_t channelDepth(); 183 184 // Returns the number of channels in this image. 185 size_t channels() const; 186 187 // Image class (DirectClass or PseudoClass) 188 // NOTE: setting a DirectClass image to PseudoClass will result in 189 // the loss of color information if the number of colors in the 190 // image is greater than the maximum palette size (either 256 or 191 // 65536 entries depending on the value of MAGICKCORE_QUANTUM_DEPTH when 192 // ImageMagick was built). 193 void classType(const ClassType class_); 194 ClassType classType(void) const; 195 196 // Associate a clip mask with the image. The clip mask must be the 197 // same dimensions as the image. Pass an invalid image to unset an 198 // existing clip mask. 199 void clipMask(const Image &clipMask_); 200 Image clipMask(void) const; 201 202 // Colors within this distance are considered equal 203 void colorFuzz(const double fuzz_); 204 double colorFuzz(void) const; 205 206 // Colormap size (number of colormap entries) 207 void colorMapSize(const size_t entries_); 208 size_t colorMapSize(void) const; 209 210 // Image Color Space 211 void colorSpace(const ColorspaceType colorSpace_); 212 ColorspaceType colorSpace(void) const; 213 214 void colorSpaceType(const ColorspaceType colorSpace_); 215 ColorspaceType colorSpaceType(void) const; 216 217 // Image width 218 size_t columns(void) const; 219 220 // Comment image (add comment string to image) 221 void comment(const std::string &comment_); 222 std::string comment(void) const; 223 224 // Composition operator to be used when composition is implicitly 225 // used (such as for image flattening). 226 void compose(const CompositeOperator compose_); 227 CompositeOperator compose(void) const; 228 229 // Compression type 230 void compressType(const CompressionType compressType_); 231 CompressionType compressType(void) const; 232 233 // Enable printing of debug messages from ImageMagick 234 void debug(const bool flag_); 235 bool debug(void) const; 236 237 // Vertical and horizontal resolution in pixels of the image 238 void density(const Geometry &geomery_); 239 Geometry density(void) const; 240 241 // Image depth (bits allocated to red/green/blue components) 242 void depth(const size_t depth_); 243 size_t depth(void) const; 244 245 // Tile names from within an image montage 246 std::string directory(void) const; 247 248 // Endianness (little like Intel or big like SPARC) for image 249 // formats which support endian-specific options. 250 void endian(const EndianType endian_); 251 EndianType endian(void) const; 252 253 // Exif profile (BLOB) 254 void exifProfile(const Blob &exifProfile_); 255 Blob exifProfile(void) const; 256 257 // Image file name 258 void fileName(const std::string &fileName_); 259 std::string fileName(void) const; 260 261 // Number of bytes of the image on disk 262 MagickSizeType fileSize(void) const; 263 264 // Color to use when filling drawn objects 265 void fillColor(const Color &fillColor_); 266 Color fillColor(void) const; 267 268 // Rule to use when filling drawn objects 269 void fillRule(const FillRule &fillRule_); 270 FillRule fillRule(void) const; 271 272 // Pattern to use while filling drawn objects. 273 void fillPattern(const Image &fillPattern_); 274 Image fillPattern(void) const; 275 276 // Filter to use when resizing image 277 void filterType(const FilterTypes filterType_); 278 FilterTypes filterType(void) const; 279 280 // Text rendering font 281 void font(const std::string &font_); 282 std::string font(void) const; 283 284 // Font point size 285 void fontPointsize(const double pointSize_); 286 double fontPointsize(void) const; 287 288 // Long image format description 289 std::string format(void) const; 290 291 // Formats the specified expression 292 // More info here: http://www.imagemagick.org/script/escape.php 293 std::string formatExpression(const std::string expression); 294 295 // Gamma level of the image 296 double gamma(void) const; 297 298 // Preferred size of the image when encoding 299 Geometry geometry(void) const; 300 301 // GIF disposal method 302 void gifDisposeMethod(const DisposeType disposeMethod_); 303 DisposeType gifDisposeMethod(void) const; 304 305 // ICC color profile (BLOB) 306 void iccColorProfile(const Blob &colorProfile_); 307 Blob iccColorProfile(void) const; 308 309 // Type of interlacing to use 310 void interlaceType(const InterlaceType interlace_); 311 InterlaceType interlaceType(void) const; 312 313 // Pixel color interpolation method to use 314 void interpolate(const PixelInterpolateMethod interpolate_); 315 PixelInterpolateMethod interpolate(void) const; 316 317 // IPTC profile (BLOB) 318 void iptcProfile(const Blob &iptcProfile_); 319 Blob iptcProfile(void) const; 320 321 // Does object contain valid image? 322 void isValid(const bool isValid_); 323 bool isValid(void) const; 324 325 // Image label 326 void label(const std::string &label_); 327 std::string label(void) const; 328 329 // File type magick identifier (.e.g "GIF") 330 void magick(const std::string &magick_); 331 std::string magick(void) const; 332 333 // The mean error per pixel computed when an image is color reduced 334 double meanErrorPerPixel(void) const; 335 336 // Image modulus depth (minimum number of bits required to support 337 // red/green/blue components without loss of accuracy) 338 void modulusDepth(const size_t modulusDepth_); 339 size_t modulusDepth(void) const; 340 341 // Transform image to black and white 342 void monochrome(const bool monochromeFlag_); 343 bool monochrome(void) const; 344 345 // Tile size and offset within an image montage 346 Geometry montageGeometry(void) const; 347 348 // The normalized max error per pixel computed when an image is 349 // color reduced. 350 double normalizedMaxError(void) const; 351 352 // The normalized mean error per pixel computed when an image is 353 // color reduced. 354 double normalizedMeanError(void) const; 355 356 // Image orientation 357 void orientation(const OrientationType orientation_); 358 OrientationType orientation(void) const; 359 360 // Preferred size and location of an image canvas. 361 void page(const Geometry &pageSize_); 362 Geometry page(void) const; 363 364 // JPEG/MIFF/PNG compression level (default 75). 365 void quality(const size_t quality_); 366 size_t quality(void) const; 367 368 // Maximum number of colors to quantize to 369 void quantizeColors(const size_t colors_); 370 size_t quantizeColors(void) const; 371 372 // Colorspace to quantize in. 373 void quantizeColorSpace(const ColorspaceType colorSpace_); 374 ColorspaceType quantizeColorSpace(void) const; 375 376 // Dither image during quantization (default true). 377 void quantizeDither(const bool ditherFlag_); 378 bool quantizeDither(void) const; 379 380 // Quantization tree-depth 381 void quantizeTreeDepth(const size_t treeDepth_); 382 size_t quantizeTreeDepth(void) const; 383 384 // The type of rendering intent 385 void renderingIntent(const RenderingIntent renderingIntent_); 386 RenderingIntent renderingIntent(void) const; 387 388 // Units of image resolution 389 void resolutionUnits(const ResolutionType resolutionUnits_); 390 ResolutionType resolutionUnits(void) const; 391 392 // The number of pixel rows in the image 393 size_t rows(void) const; 394 395 // Image scene number 396 void scene(const size_t scene_); 397 size_t scene(void) const; 398 399 // Width and height of a raw image 400 void size(const Geometry &geometry_); 401 Geometry size(void) const; 402 403 // enabled/disable stroke anti-aliasing 404 void strokeAntiAlias(const bool flag_); 405 bool strokeAntiAlias(void) const; 406 407 // Color to use when drawing object outlines 408 void strokeColor(const Color &strokeColor_); 409 Color strokeColor(void) const; 410 411 // Specify the pattern of dashes and gaps used to stroke 412 // paths. The strokeDashArray represents a zero-terminated array 413 // of numbers that specify the lengths of alternating dashes and 414 // gaps in pixels. If an odd number of values is provided, then 415 // the list of values is repeated to yield an even number of 416 // values. A typical strokeDashArray_ array might contain the 417 // members 5 3 2 0, where the zero value indicates the end of the 418 // pattern array. 419 void strokeDashArray(const double *strokeDashArray_); 420 const double *strokeDashArray(void) const; 421 422 // While drawing using a dash pattern, specify distance into the 423 // dash pattern to start the dash (default 0). 424 void strokeDashOffset(const double strokeDashOffset_); 425 double strokeDashOffset(void) const; 426 427 // Specify the shape to be used at the end of open subpaths when 428 // they are stroked. Values of LineCap are UndefinedCap, ButtCap, 429 // RoundCap, and SquareCap. 430 void strokeLineCap(const LineCap lineCap_); 431 LineCap strokeLineCap(void) const; 432 433 // Specify the shape to be used at the corners of paths (or other 434 // vector shapes) when they are stroked. Values of LineJoin are 435 // UndefinedJoin, MiterJoin, RoundJoin, and BevelJoin. 436 void strokeLineJoin(const LineJoin lineJoin_); 437 LineJoin strokeLineJoin(void) const; 438 439 // Specify miter limit. When two line segments meet at a sharp 440 // angle and miter joins have been specified for 'lineJoin', it is 441 // possible for the miter to extend far beyond the thickness of 442 // the line stroking the path. The miterLimit' imposes a limit on 443 // the ratio of the miter length to the 'lineWidth'. The default 444 // value of this parameter is 4. 445 void strokeMiterLimit(const size_t miterLimit_); 446 size_t strokeMiterLimit(void) const; 447 448 // Pattern image to use while stroking object outlines. 449 void strokePattern(const Image &strokePattern_); 450 Image strokePattern(void) const; 451 452 // Stroke width for drawing vector objects (default one) 453 void strokeWidth(const double strokeWidth_); 454 double strokeWidth(void) const; 455 456 // Subimage of an image sequence 457 void subImage(const size_t subImage_); 458 size_t subImage(void) const; 459 460 // Number of images relative to the base image 461 void subRange(const size_t subRange_); 462 size_t subRange(void) const; 463 464 // Annotation text encoding (e.g. "UTF-16") 465 void textEncoding(const std::string &encoding_); 466 std::string textEncoding(void) const; 467 468 // Text inter-line spacing 469 void textInterlineSpacing(double spacing_); 470 double textInterlineSpacing(void) const; 471 472 // Text inter-word spacing 473 void textInterwordSpacing(double spacing_); 474 double textInterwordSpacing(void) const; 475 476 // Text inter-character kerning 477 void textKerning(double kerning_); 478 double textKerning(void) const; 479 480 // Number of colors in the image 481 size_t totalColors(void) const; 482 483 // Rotation to use when annotating with text or drawing 484 void transformRotation(const double angle_); 485 486 // Skew to use in X axis when annotating with text or drawing 487 void transformSkewX(const double skewx_); 488 489 // Skew to use in Y axis when annotating with text or drawing 490 void transformSkewY(const double skewy_); 491 492 // Image representation type (also see type operation) 493 // Available types: 494 // Bilevel Grayscale GrayscaleMatte 495 // Palette PaletteMatte TrueColor 496 // TrueColorMatte ColorSeparation ColorSeparationMatte 497 void type(const ImageType type_); 498 ImageType type(void) const; 499 500 // Print detailed information about the image 501 void verbose(const bool verboseFlag_); 502 bool verbose(void) const; 503 504 // FlashPix viewing parameters 505 void view(const std::string &view_); 506 std::string view(void) const; 507 508 // Virtual pixel method 509 void virtualPixelMethod(const VirtualPixelMethod virtualPixelMethod_); 510 VirtualPixelMethod virtualPixelMethod(void) const; 511 512 // X11 display to display to, obtain fonts from, or to capture 513 // image from 514 void x11Display(const std::string &display_); 515 std::string x11Display(void) const; 516 517 // x resolution of the image 518 double xResolution(void) const; 519 520 // y resolution of the image 521 double yResolution(void) const; 522 523 // Adaptive-blur image with specified blur factor 524 // The radius_ parameter specifies the radius of the Gaussian, in 525 // pixels, not counting the center pixel. The sigma_ parameter 526 // specifies the standard deviation of the Laplacian, in pixels. 527 void adaptiveBlur(const double radius_=0.0,const double sigma_=1.0); 528 529 // This is shortcut function for a fast interpolative resize using mesh 530 // interpolation. It works well for small resizes of less than +/- 50% 531 // of the original image size. For larger resizing on images a full 532 // filtered and slower resize function should be used instead. 533 void adaptiveResize(const Geometry &geometry_); 534 535 // Adaptively sharpens the image by sharpening more intensely near image 536 // edges and less intensely far from edges. We sharpen the image with a 537 // Gaussian operator of the given radius and standard deviation (sigma). 538 // For reasonable results, radius should be larger than sigma. 539 void adaptiveSharpen(const double radius_=0.0,const double sigma_=1.0); 540 void adaptiveSharpenChannel(const ChannelType channel_, 541 const double radius_=0.0,const double sigma_=1.0); 542 543 // Local adaptive threshold image 544 // http://www.dai.ed.ac.uk/HIPR2/adpthrsh.htm 545 // Width x height define the size of the pixel neighborhood 546 // offset = constant to subtract from pixel neighborhood mean 547 void adaptiveThreshold(const size_t width,const size_t height, 548 const ::ssize_t offset=0); 549 550 // Add noise to image with specified noise type 551 void addNoise(const NoiseType noiseType_); 552 void addNoiseChannel(const ChannelType channel_, 553 const NoiseType noiseType_); 554 555 // Transform image by specified affine (or free transform) matrix. 556 void affineTransform(const DrawableAffine &affine); 557 558 // Set or attenuate the alpha channel in the image. If the image 559 // pixels are opaque then they are set to the specified alpha 560 // value, otherwise they are blended with the supplied alpha 561 // value. The value of alpha_ ranges from 0 (completely opaque) 562 // to QuantumRange. The defines OpaqueAlpha and TransparentAlpha are 563 // available to specify completely opaque or completely 564 // transparent, respectively. 565 void alpha(const unsigned int alpha_); 566 567 // AlphaChannel() activates, deactivates, resets, or sets the alpha 568 // channel. 569 void alphaChannel(AlphaChannelOption alphaOption_); 570 571 // Floodfill designated area with replacement alpha value 572 void alphaFloodfill(const Color &target_,const unsigned int alpha_, 573 const ::ssize_t x_, const ::ssize_t y_,const PaintMethod method_); 574 575 // 576 // Annotate image (draw text on image) 577 // 578 // Gravity effects text placement in bounding area according to rules: 579 // NorthWestGravity text bottom-left corner placed at top-left 580 // NorthGravity text bottom-center placed at top-center 581 // NorthEastGravity text bottom-right corner placed at top-right 582 // WestGravity text left-center placed at left-center 583 // CenterGravity text center placed at center 584 // EastGravity text right-center placed at right-center 585 // SouthWestGravity text top-left placed at bottom-left 586 // SouthGravity text top-center placed at bottom-center 587 // SouthEastGravity text top-right placed at bottom-right 588 589 // Annotate using specified text, and placement location 590 void annotate(const std::string &text_,const Geometry &location_); 591 592 // Annotate using specified text, bounding area, and placement 593 // gravity 594 void annotate(const std::string &text_,const Geometry &boundingArea_, 595 const GravityType gravity_); 596 597 // Annotate with text using specified text, bounding area, 598 // placement gravity, and rotation. 599 void annotate(const std::string &text_,const Geometry &boundingArea_, 600 const GravityType gravity_,const double degrees_); 601 602 // Annotate with text (bounding area is entire image) and placement 603 // gravity. 604 void annotate(const std::string &text_,const GravityType gravity_); 605 606 // Inserts the artifact with the specified name and value into 607 // the artifact tree of the image. 608 void artifact(const std::string &name_,const std::string &value_); 609 610 // Returns the value of the artifact with the specified name. 611 std::string artifact(const std::string &name_); 612 613 // Access/Update a named image attribute 614 void attribute(const std::string name_,const std::string value_); 615 std::string attribute(const std::string name_); 616 617 // Extracts the 'mean' from the image and adjust the image to try 618 // make set its gamma appropriatally. 619 void autoGamma(void); 620 void autoGammaChannel(const ChannelType channel_); 621 622 // Adjusts the levels of a particular image channel by scaling the 623 // minimum and maximum values to the full quantum range. 624 void autoLevel(void); 625 void autoLevelChannel(const ChannelType channel_); 626 627 // Adjusts an image so that its orientation is suitable for viewing. 628 void autoOrient(void); 629 630 // Forces all pixels below the threshold into black while leaving all 631 // pixels at or above the threshold unchanged. 632 void blackThreshold(const std::string &threshold_); 633 void blackThresholdChannel(const ChannelType channel_, 634 const std::string &threshold_); 635 636 // Simulate a scene at nighttime in the moonlight. 637 void blueShift(const double factor_=1.5); 638 639 // Blur image with specified blur factor 640 // The radius_ parameter specifies the radius of the Gaussian, in 641 // pixels, not counting the center pixel. The sigma_ parameter 642 // specifies the standard deviation of the Laplacian, in pixels. 643 void blur(const double radius_=0.0,const double sigma_=1.0); 644 void blurChannel(const ChannelType channel_,const double radius_=0.0, 645 const double sigma_=1.0); 646 647 // Border image (add border to image) 648 void border(const Geometry &geometry_=borderGeometryDefault); 649 650 // Changes the brightness and/or contrast of an image. It converts the 651 // brightness and contrast parameters into slope and intercept and calls 652 // a polynomical function to apply to the image. 653 void brightnessContrast(const double brightness_=0.0, 654 const double contrast_=0.0); 655 void brightnessContrastChannel(const ChannelType channel_, 656 const double brightness_=0.0,const double contrast_=0.0); 657 658 // Extract channel from image 659 void channel(const ChannelType channel_); 660 661 // Charcoal effect image (looks like charcoal sketch) 662 // The radius_ parameter specifies the radius of the Gaussian, in 663 // pixels, not counting the center pixel. The sigma_ parameter 664 // specifies the standard deviation of the Laplacian, in pixels. 665 void charcoal(const double radius_=0.0,const double sigma_=1.0); 666 667 // Chop image (remove vertical or horizontal subregion of image) 668 // FIXME: describe how geometry argument is used to select either 669 // horizontal or vertical subregion of image. 670 void chop(const Geometry &geometry_); 671 672 // Chromaticity blue primary point (e.g. x=0.15, y=0.06) 673 void chromaBluePrimary(const double x_,const double y_); 674 void chromaBluePrimary(double *x_,double *y_) const; 675 676 // Chromaticity green primary point (e.g. x=0.3, y=0.6) 677 void chromaGreenPrimary(const double x_,const double y_); 678 void chromaGreenPrimary(double *x_,double *y_) const; 679 680 // Chromaticity red primary point (e.g. x=0.64, y=0.33) 681 void chromaRedPrimary(const double x_,const double y_); 682 void chromaRedPrimary(double *x_,double *y_) const; 683 684 // Chromaticity white point (e.g. x=0.3127, y=0.329) 685 void chromaWhitePoint(const double x_,const double y_); 686 void chromaWhitePoint(double *x_,double *y_) const; 687 688 // Accepts a lightweight Color Correction Collection 689 // (CCC) file which solely contains one or more color corrections and 690 // applies the correction to the image. 691 void cdl(const std::string &cdl_); 692 693 // Set each pixel whose value is below zero to zero and any the 694 // pixel whose value is above the quantum range to the quantum range (e.g. 695 // 65535) otherwise the pixel value remains unchanged. 696 void clamp(void); 697 void clampChannel(const ChannelType channel_); 698 699 // Sets the image clip mask based on any clipping path information 700 // if it exists. 701 void clip(void); 702 void clipPath(const std::string pathname_,const bool inside_); 703 704 // Apply a color lookup table (CLUT) to the image. 705 void clut(const Image &clutImage_,const PixelInterpolateMethod method); 706 void clutChannel(const ChannelType channel_,const Image &clutImage_, 707 const PixelInterpolateMethod method); 708 709 // Colorize image with pen color, using specified percent alpha. 710 void colorize(const unsigned int alpha_,const Color &penColor_); 711 712 // Colorize image with pen color, using specified percent alpha 713 // for red, green, and blue quantums 714 void colorize(const unsigned int alphaRed_,const unsigned int alphaGreen_, 715 const unsigned int alphaBlue_,const Color &penColor_); 716 717 // Color at colormap position index_ 718 void colorMap(const size_t index_,const Color &color_); 719 Color colorMap(const size_t index_) const; 720 721 // Apply a color matrix to the image channels. The user supplied 722 // matrix may be of order 1 to 5 (1x1 through 5x5). 723 void colorMatrix(const size_t order_,const double *color_matrix_); 724 725 // Compare current image with another image 726 // Sets meanErrorPerPixel, normalizedMaxError, and normalizedMeanError 727 // in the current image. False is returned if the images are identical. 728 bool compare(const Image &reference_); 729 730 // Compare current image with another image 731 // Returns the distortion based on the specified metric. 732 double compare(const Image &reference_,const MetricType metric_); 733 double compareChannel(const ChannelType channel_, 734 const Image &reference_, 735 const MetricType metric_ ); 736 737 // Compare current image with another image 738 // Sets the distortion and returns the difference image. 739 Image compare(const Image &reference_,const MetricType metric_, 740 double *distortion); 741 Image compareChannel(const ChannelType channel_,const Image &reference_, 742 const MetricType metric_,double *distortion); 743 744 // Compose an image onto another at specified offset and using 745 // specified algorithm 746 void composite(const Image &compositeImage_,const Geometry &offset_, 747 const CompositeOperator compose_=InCompositeOp); 748 void composite(const Image &compositeImage_,const GravityType gravity_, 749 const CompositeOperator compose_=InCompositeOp); 750 void composite(const Image &compositeImage_,const ::ssize_t xOffset_, 751 const ::ssize_t yOffset_,const CompositeOperator compose_=InCompositeOp); 752 753 // Contrast image (enhance intensity differences in image) 754 void contrast(const size_t sharpen_); 755 756 // A simple image enhancement technique that attempts to improve the 757 // contrast in an image by 'stretching' the range of intensity values 758 // it contains to span a desired range of values. It differs from the 759 // more sophisticated histogram equalization in that it can only apply a 760 // linear scaling function to the image pixel values. As a result the 761 // 'enhancement' is less harsh. 762 void contrastStretch(const double blackPoint_,const double whitePoint_); 763 void contrastStretchChannel(const ChannelType channel_, 764 const double blackPoint_,const double whitePoint_); 765 766 // Convolve image. Applies a user-specified convolution to the image. 767 // order_ represents the number of columns and rows in the filter kernel. 768 // kernel_ is an array of doubles representing the convolution kernel. 769 void convolve(const size_t order_,const double *kernel_); 770 771 // Crop image (subregion of original image) 772 void crop(const Geometry &geometry_); 773 774 // Cycle image colormap 775 void cycleColormap(const ::ssize_t amount_); 776 777 // Converts cipher pixels to plain pixels. 778 void decipher(const std::string &passphrase_); 779 780 // Tagged image format define. Similar to the defineValue() method 781 // except that passing the flag_ value 'true' creates a value-less 782 // define with that format and key. Passing the flag_ value 'false' 783 // removes any existing matching definition. The method returns 'true' 784 // if a matching key exists, and 'false' if no matching key exists. 785 void defineSet(const std::string &magick_,const std::string &key_, 786 bool flag_); 787 bool defineSet(const std::string &magick_,const std::string &key_) const; 788 789 // Tagged image format define (set/access coder-specific option) The 790 // magick_ option specifies the coder the define applies to. The key_ 791 // option provides the key specific to that coder. The value_ option 792 // provides the value to set (if any). See the defineSet() method if the 793 // key must be removed entirely. 794 void defineValue(const std::string &magick_,const std::string &key_, 795 const std::string &value_); 796 std::string defineValue(const std::string &magick_, 797 const std::string &key_) const; 798 799 // Removes skew from the image. Skew is an artifact that occurs in scanned 800 // images because of the camera being misaligned, imperfections in the 801 // scanning or surface, or simply because the paper was not placed 802 // completely flat when scanned. The value of threshold_ ranges from 0 803 // to QuantumRange. 804 void deskew(const double threshold_); 805 806 // Despeckle image (reduce speckle noise) 807 void despeckle(void); 808 809 // Display image on screen 810 void display(void); 811 812 // Distort image. distorts an image using various distortion methods, by 813 // mapping color lookups of the source image to a new destination image 814 // usally of the same size as the source image, unless 'bestfit' is set to 815 // true. 816 void distort(const DistortImageMethod method_, 817 const size_t numberArguments_,const double *arguments_, 818 const bool bestfit_=false); 819 820 // Draw on image using a single drawable 821 void draw(const Drawable &drawable_); 822 823 // Draw on image using a drawable list 824 void draw(const std::list<Magick::Drawable> &drawable_); 825 826 // Edge image (hilight edges in image) 827 void edge(const double radius_=0.0); 828 829 // Emboss image (hilight edges with 3D effect) 830 // The radius_ parameter specifies the radius of the Gaussian, in 831 // pixels, not counting the center pixel. The sigma_ parameter 832 // specifies the standard deviation of the Laplacian, in pixels. 833 void emboss(const double radius_=0.0,const double sigma_=1.0); 834 835 // Converts pixels to cipher-pixels. 836 void encipher(const std::string &passphrase_); 837 838 // Enhance image (minimize noise) 839 void enhance(void); 840 841 // Equalize image (histogram equalization) 842 void equalize(void); 843 844 // Erase image to current "background color" 845 void erase(void); 846 847 // Extend the image as defined by the geometry. 848 void extent(const Geometry &geometry_); 849 void extent(const Geometry &geometry_,const Color &backgroundColor); 850 void extent(const Geometry &geometry_,const Color &backgroundColor, 851 const GravityType gravity_); 852 void extent(const Geometry &geometry_,const GravityType gravity_); 853 854 // Flip image (reflect each scanline in the vertical direction) 855 void flip(void); 856 857 // Floodfill pixels matching color (within fuzz factor) of target 858 // pixel(x,y) with replacement alpha value using method. 859 void floodFillAlpha(const ::ssize_t x_,const ::ssize_t y_, 860 const unsigned int alpha_,const PaintMethod method_); 861 862 // Flood-fill color across pixels that match the color of the 863 // target pixel and are neighbors of the target pixel. 864 // Uses current fuzz setting when determining color match. 865 void floodFillColor(const Geometry &point_,const Color &fillColor_); 866 void floodFillColor(const ::ssize_t x_,const ::ssize_t y_, 867 const Color &fillColor_ ); 868 869 // Flood-fill color across pixels starting at target-pixel and 870 // stopping at pixels matching specified border color. 871 // Uses current fuzz setting when determining color match. 872 void floodFillColor(const Geometry &point_,const Color &fillColor_, 873 const Color &borderColor_); 874 void floodFillColor(const ::ssize_t x_,const ::ssize_t y_, 875 const Color &fillColor_,const Color &borderColor_); 876 877 // Flood-fill texture across pixels that match the color of the 878 // target pixel and are neighbors of the target pixel. 879 // Uses current fuzz setting when determining color match. 880 void floodFillTexture(const Geometry &point_,const Image &texture_); 881 void floodFillTexture(const ::ssize_t x_,const ::ssize_t y_, 882 const Image &texture_); 883 884 // Flood-fill texture across pixels starting at target-pixel and 885 // stopping at pixels matching specified border color. 886 // Uses current fuzz setting when determining color match. 887 void floodFillTexture(const Geometry &point_,const Image &texture_, 888 const Color &borderColor_); 889 void floodFillTexture(const ::ssize_t x_,const ::ssize_t y_, 890 const Image &texture_,const Color &borderColor_); 891 892 // Flop image (reflect each scanline in the horizontal direction) 893 void flop(void); 894 895 // Obtain font metrics for text string given current font, 896 // pointsize, and density settings. 897 void fontTypeMetrics(const std::string &text_,TypeMetric *metrics); 898 899 // Obtain multi line font metrics for text string given current font, 900 // pointsize, and density settings. 901 void fontTypeMetricsMultiline(const std::string &text_, 902 TypeMetric *metrics); 903 904 // Frame image 905 void frame(const Geometry &geometry_=frameGeometryDefault); 906 void frame(const size_t width_,const size_t height_, 907 const ::ssize_t innerBevel_=6,const ::ssize_t outerBevel_=6); 908 909 // Applies a mathematical expression to the image. 910 void fx(const std::string expression_); 911 void fx(const std::string expression_,const Magick::ChannelType channel_); 912 913 // Gamma correct image 914 void gamma(const double gamma_); 915 void gamma(const double gammaRed_,const double gammaGreen_, 916 const double gammaBlue_); 917 918 // Gaussian blur image 919 // The number of neighbor pixels to be included in the convolution 920 // mask is specified by 'width_'. The standard deviation of the 921 // gaussian bell curve is specified by 'sigma_'. 922 void gaussianBlur(const double width_,const double sigma_); 923 void gaussianBlurChannel(const ChannelType channel_,const double width_, 924 const double sigma_); 925 926 // Transfers read-only pixels from the image to the pixel cache as 927 // defined by the specified region 928 const Quantum *getConstPixels(const ::ssize_t x_, const ::ssize_t y_, 929 const size_t columns_,const size_t rows_) const; 930 931 // Obtain immutable image pixel metacontent (valid for PseudoClass images) 932 const void *getConstMetacontent(void) const; 933 934 // Obtain mutable image pixel metacontent (valid for PseudoClass images) 935 void *getMetacontent(void); 936 937 // Transfers pixels from the image to the pixel cache as defined 938 // by the specified region. Modified pixels may be subsequently 939 // transferred back to the image via syncPixels. This method is 940 // valid for DirectClass images. 941 Quantum *getPixels(const ::ssize_t x_,const ::ssize_t y_, 942 const size_t columns_,const size_t rows_); 943 944 // Apply a color lookup table (Hald CLUT) to the image. 945 void haldClut(const Image &clutImage_); 946 947 // Implode image (special effect) 948 void implode(const double factor_); 949 950 // Implements the inverse discrete Fourier transform (DFT) of the image 951 // either as a magnitude / phase or real / imaginary image pair. 952 void inverseFourierTransform(const Image &phase_); 953 void inverseFourierTransform(const Image &phase_,const bool magnitude_); 954 955 // Level image. Adjust the levels of the image by scaling the 956 // colors falling between specified white and black points to the 957 // full available quantum range. The parameters provided represent 958 // the black, mid (gamma), and white points. The black point 959 // specifies the darkest color in the image. Colors darker than 960 // the black point are set to zero. Mid point (gamma) specifies a 961 // gamma correction to apply to the image. White point specifies 962 // the lightest color in the image. Colors brighter than the 963 // white point are set to the maximum quantum value. The black and 964 // white point have the valid range 0 to QuantumRange while mid (gamma) 965 // has a useful range of 0 to ten. 966 void level(const double blackPoint_,const double whitePoint_, 967 const double gamma_=1.0); 968 void levelChannel(const ChannelType channel_,const double blackPoint_, 969 const double whitePoint_,const double gamma_=1.0); 970 971 // Maps the given color to "black" and "white" values, linearly spreading 972 // out the colors, and level values on a channel by channel bases, as 973 // per level(). The given colors allows you to specify different level 974 // ranges for each of the color channels separately. 975 void levelColors(const Color &blackColor_,const Color &whiteColor_, 976 const bool invert_=true); 977 void levelColorsChannel(const ChannelType channel_, 978 const Color &blackColor_,const Color &whiteColor_, 979 const bool invert_=true); 980 981 // Discards any pixels below the black point and above the white point and 982 // levels the remaining pixels. 983 void linearStretch(const double blackPoint_,const double whitePoint_); 984 985 // Rescales image with seam carving. 986 void liquidRescale(const Geometry &geometry_); 987 988 // Magnify image by integral size 989 void magnify(void); 990 991 // Remap image colors with closest color from reference image 992 void map(const Image &mapImage_,const bool dither_=false); 993 994 // Filter image by replacing each pixel component with the median 995 // color in a circular neighborhood 996 void medianFilter(const double radius_=0.0); 997 998 // Reduce image by integral size 999 void minify(void); 1000 1001 // Modulate percent hue, saturation, and brightness of an image 1002 void modulate(const double brightness_,const double saturation_, 1003 const double hue_); 1004 1005 // Motion blur image with specified blur factor 1006 // The radius_ parameter specifies the radius of the Gaussian, in 1007 // pixels, not counting the center pixel. The sigma_ parameter 1008 // specifies the standard deviation of the Laplacian, in pixels. 1009 // The angle_ parameter specifies the angle the object appears 1010 // to be comming from (zero degrees is from the right). 1011 void motionBlur(const double radius_,const double sigma_, 1012 const double angle_); 1013 1014 // Negate colors in image. Set grayscale to only negate grayscale 1015 // values in image. 1016 void negate(const bool grayscale_=false); 1017 void negateChannel(const ChannelType channel_,const bool grayscale_=false); 1018 1019 // Normalize image (increase contrast by normalizing the pixel 1020 // values to span the full range of color values) 1021 void normalize(void); 1022 1023 // Oilpaint image (image looks like oil painting) 1024 void oilPaint(const double radius_=0.0,const double sigma=1.0); 1025 1026 // Change color of opaque pixel to specified pen color. 1027 void opaque(const Color &opaqueColor_,const Color &penColor_); 1028 1029 // Set each pixel whose value is less than epsilon to epsilon or 1030 // -epsilon (whichever is closer) otherwise the pixel value remains 1031 // unchanged. 1032 void perceptible(const double epsilon_); 1033 void perceptibleChannel(const ChannelType channel_,const double epsilon_); 1034 1035 // Ping is similar to read except only enough of the image is read 1036 // to determine the image columns, rows, and filesize. Access the 1037 // columns(), rows(), and fileSize() attributes after invoking 1038 // ping. The image data is not valid after calling ping. 1039 void ping(const std::string &imageSpec_); 1040 1041 // Ping is similar to read except only enough of the image is read 1042 // to determine the image columns, rows, and filesize. Access the 1043 // columns(), rows(), and fileSize() attributes after invoking 1044 // ping. The image data is not valid after calling ping. 1045 void ping(const Blob &blob_); 1046 1047 // Get/set pixel color at location x & y. 1048 void pixelColor(const ::ssize_t x_,const ::ssize_t y_,const Color &color_); 1049 Color pixelColor(const ::ssize_t x_,const ::ssize_t y_ ) const; 1050 1051 // Simulates a Polaroid picture. 1052 void polaroid(const std::string &caption_,const double angle_, 1053 const PixelInterpolateMethod method_); 1054 1055 // Reduces the image to a limited number of colors for a "poster" effect. 1056 void posterize(const size_t levels_,const DitherMethod method_); 1057 void posterizeChannel(const ChannelType channel_,const size_t levels_, 1058 const DitherMethod method_); 1059 1060 // Execute a named process module using an argc/argv syntax similar to 1061 // that accepted by a C 'main' routine. An exception is thrown if the 1062 // requested process module doesn't exist, fails to load, or fails during 1063 // execution. 1064 void process(std::string name_,const ::ssize_t argc_,const char **argv_); 1065 1066 // Add or remove a named profile to/from the image. Remove the 1067 // profile by passing an empty Blob (e.g. Blob()). Valid names are 1068 // "*", "8BIM", "ICM", "IPTC", or a user/format-defined profile name. 1069 void profile(const std::string name_,const Blob &colorProfile_); 1070 1071 // Retrieve a named profile from the image. Valid names are: 1072 // "8BIM", "8BIMTEXT", "APP1", "APP1JPEG", "ICC", "ICM", & "IPTC" 1073 // or an existing user/format-defined profile name. 1074 Blob profile(const std::string name_) const; 1075 1076 // Quantize image (reduce number of colors) 1077 void quantize(const bool measureError_=false); 1078 1079 void quantumOperator(const ChannelType channel_, 1080 const MagickEvaluateOperator operator_,double rvalue_); 1081 1082 void quantumOperator(const ::ssize_t x_,const ::ssize_t y_, 1083 const size_t columns_,const size_t rows_,const ChannelType channel_, 1084 const MagickEvaluateOperator operator_,const double rvalue_); 1085 1086 // Raise image (lighten or darken the edges of an image to give a 1087 // 3-D raised or lowered effect) 1088 void raise(const Geometry &geometry_=raiseGeometryDefault, 1089 const bool raisedFlag_=false); 1090 1091 // Random threshold image. 1092 // 1093 // Changes the value of individual pixels based on the intensity 1094 // of each pixel compared to a random threshold. The result is a 1095 // low-contrast, two color image. The thresholds_ argument is a 1096 // geometry containing LOWxHIGH thresholds. If the string 1097 // contains 2x2, 3x3, or 4x4, then an ordered dither of order 2, 1098 // 3, or 4 will be performed instead. If a channel_ argument is 1099 // specified then only the specified channel is altered. This is 1100 // a very fast alternative to 'quantize' based dithering. 1101 void randomThreshold(const Geometry &thresholds_); 1102 void randomThresholdChannel(const ChannelType channel_, 1103 const Geometry &thresholds_); 1104 1105 // Read single image frame from in-memory BLOB 1106 void read(const Blob &blob_); 1107 1108 // Read single image frame of specified size from in-memory BLOB 1109 void read(const Blob &blob_,const Geometry &size_); 1110 1111 // Read single image frame of specified size and depth from 1112 // in-memory BLOB 1113 void read(const Blob &blob_,const Geometry &size_,const size_t depth_); 1114 1115 // Read single image frame of specified size, depth, and format 1116 // from in-memory BLOB 1117 void read(const Blob &blob_,const Geometry &size_,const size_t depth_, 1118 const std::string &magick_); 1119 1120 // Read single image frame of specified size, and format from 1121 // in-memory BLOB 1122 void read(const Blob &blob_,const Geometry &size_, 1123 const std::string &magick_); 1124 1125 // Read single image frame of specified size into current object 1126 void read(const Geometry &size_,const std::string &imageSpec_); 1127 1128 // Read single image frame from an array of raw pixels, with 1129 // specified storage type (ConstituteImage), e.g. 1130 // image.read( 640, 480, "RGB", 0, pixels ); 1131 void read(const size_t width_,const size_t height_,const std::string &map_, 1132 const StorageType type_,const void *pixels_); 1133 1134 // Read single image frame into current object 1135 void read(const std::string &imageSpec_); 1136 1137 // Transfers one or more pixel components from a buffer or file 1138 // into the image pixel cache of an image. 1139 // Used to support image decoders. 1140 void readPixels(const QuantumType quantum_,const unsigned char *source_); 1141 1142 // Reduce noise in image using a noise peak elimination filter 1143 void reduceNoise(void); 1144 void reduceNoise(const double order_); 1145 1146 // Resize image in terms of its pixel size. 1147 void resample(const Geometry &geometry_); 1148 1149 // Resize image to specified size. 1150 void resize(const Geometry &geometry_); 1151 1152 // Roll image (rolls image vertically and horizontally) by specified 1153 // number of columnms and rows) 1154 void roll(const Geometry &roll_); 1155 void roll(const size_t columns_,const size_t rows_); 1156 1157 // Rotate image counter-clockwise by specified number of degrees. 1158 void rotate(const double degrees_); 1159 1160 // Resize image by using pixel sampling algorithm 1161 void sample(const Geometry &geometry_); 1162 1163 // Allocates a pixel cache region to store image pixels as defined 1164 // by the region rectangle. This area is subsequently transferred 1165 // from the pixel cache to the image via syncPixels. 1166 Quantum *setPixels(const ::ssize_t x_, const ::ssize_t y_, 1167 const size_t columns_,const size_t rows_); 1168 1169 // Resize image by using simple ratio algorithm 1170 void scale(const Geometry &geometry_); 1171 1172 // Segment (coalesce similar image components) by analyzing the 1173 // histograms of the color components and identifying units that 1174 // are homogeneous with the fuzzy c-means technique. Also uses 1175 // QuantizeColorSpace and Verbose image attributes 1176 void segment(const double clusterThreshold_=1.0, 1177 const double smoothingThreshold_=1.5); 1178 1179 // Shade image using distant light source 1180 void shade(const double azimuth_=30,const double elevation_=30, 1181 const bool colorShading_=false); 1182 1183 // Simulate an image shadow 1184 void shadow(const double percentAlpha_=80.0,const double sigma_=0.5, 1185 const ssize_t x_=5,const ssize_t y_=5); 1186 1187 // Sharpen pixels in image 1188 // The radius_ parameter specifies the radius of the Gaussian, in 1189 // pixels, not counting the center pixel. The sigma_ parameter 1190 // specifies the standard deviation of the Laplacian, in pixels. 1191 void sharpen(const double radius_=0.0,const double sigma_=1.0); 1192 void sharpenChannel(const ChannelType channel_,const double radius_=0.0, 1193 const double sigma_=1.0); 1194 1195 // Shave pixels from image edges. 1196 void shave(const Geometry &geometry_); 1197 1198 // Shear image (create parallelogram by sliding image by X or Y axis) 1199 void shear(const double xShearAngle_,const double yShearAngle_); 1200 1201 // adjust the image contrast with a non-linear sigmoidal contrast algorithm 1202 void sigmoidalContrast(const size_t sharpen_,const double contrast, 1203 const double midpoint=QuantumRange/2.0); 1204 1205 // Image signature. Set force_ to true in order to re-calculate 1206 // the signature regardless of whether the image data has been 1207 // modified. 1208 std::string signature(const bool force_=false) const; 1209 1210 // Solarize image (similar to effect seen when exposing a 1211 // photographic film to light during the development process) 1212 void solarize(const double factor_=50.0); 1213 1214 // Sparse color image, given a set of coordinates, interpolates the colors 1215 // found at those coordinates, across the whole image, using various 1216 // methods. 1217 void sparseColor(const ChannelType channel_, 1218 const SparseColorMethod method_,const size_t numberArguments_, 1219 const double *arguments_); 1220 1221 // Splice the background color into the image. 1222 void splice(const Geometry &geometry_); 1223 1224 // Spread pixels randomly within image by specified ammount 1225 void spread(const size_t amount_=3); 1226 1227 void statistics(ImageStatistics *statistics); 1228 1229 // Add a digital watermark to the image (based on second image) 1230 void stegano(const Image &watermark_); 1231 1232 // Create an image which appears in stereo when viewed with 1233 // red-blue glasses (Red image on left, blue on right) 1234 void stereo(const Image &rightImage_); 1235 1236 // Strip strips an image of all profiles and comments. 1237 void strip(void); 1238 1239 // Swirl image (image pixels are rotated by degrees) 1240 void swirl(const double degrees_); 1241 1242 // Transfers the image cache pixels to the image. 1243 void syncPixels(void); 1244 1245 // Channel a texture on image background 1246 void texture(const Image &texture_); 1247 1248 // Threshold image 1249 void threshold(const double threshold_); 1250 1251 // Resize image to thumbnail size 1252 void thumbnail(const Geometry &geometry_); 1253 1254 // Transform image based on image and crop geometries 1255 // Crop geometry is optional 1256 void transform(const Geometry &imageGeometry_); 1257 void transform(const Geometry &imageGeometry_, 1258 const Geometry &cropGeometry_); 1259 1260 // Origin of coordinate system to use when annotating with text or drawing 1261 void transformOrigin(const double x_,const double y_); 1262 1263 // Reset transformation parameters to default 1264 void transformReset(void); 1265 1266 // Scale to use when annotating with text or drawing 1267 void transformScale(const double sx_,const double sy_); 1268 1269 // Add matte image to image, setting pixels matching color to 1270 // transparent 1271 void transparent(const Color &color_); 1272 1273 // Add matte image to image, for all the pixels that lies in between 1274 // the given two color 1275 void transparentChroma(const Color &colorLow_,const Color &colorHigh_); 1276 1277 // Trim edges that are the background color from the image 1278 void trim(void); 1279 1280 // Replace image with a sharpened version of the original image 1281 // using the unsharp mask algorithm. 1282 // radius_ 1283 // the radius of the Gaussian, in pixels, not counting the 1284 // center pixel. 1285 // sigma_ 1286 // the standard deviation of the Gaussian, in pixels. 1287 // amount_ 1288 // the percentage of the difference between the original and 1289 // the blur image that is added back into the original. 1290 // threshold_ 1291 // the threshold in pixels needed to apply the diffence amount. 1292 void unsharpmask(const double radius_,const double sigma_, 1293 const double amount_,const double threshold_); 1294 void unsharpmaskChannel(const ChannelType channel_,const double radius_, 1295 const double sigma_,const double amount_,const double threshold_); 1296 1297 // Map image pixels to a sine wave 1298 void wave(const double amplitude_=25.0,const double wavelength_=150.0); 1299 1300 // Forces all pixels above the threshold into white while leaving all 1301 // pixels at or below the threshold unchanged. 1302 void whiteThreshold(const std::string &threshold_); 1303 void whiteThresholdChannel(const ChannelType channel_, 1304 const std::string &threshold_); 1305 1306 // Write single image frame to in-memory BLOB, with optional 1307 // format and adjoin parameters. 1308 void write(Blob *blob_); 1309 void write(Blob *blob_,const std::string &magick_); 1310 void write(Blob *blob_,const std::string &magick_,const size_t depth_); 1311 1312 // Write single image frame to an array of pixels with storage 1313 // type specified by user (DispatchImage), e.g. 1314 // image.write( 0, 0, 640, 1, "RGB", 0, pixels ); 1315 void write(const ::ssize_t x_,const ::ssize_t y_,const size_t columns_, 1316 const size_t rows_,const std::string &map_,const StorageType type_, 1317 void *pixels_); 1318 1319 // Write single image frame to a file 1320 void write(const std::string &imageSpec_); 1321 1322 // Transfers one or more pixel components from the image pixel 1323 // cache to a buffer or file. 1324 // Used to support image encoders. 1325 void writePixels(const QuantumType quantum_,unsigned char *destination_); 1326 1327 // Zoom image to specified size. 1328 void zoom(const Geometry &geometry_); 1329 1330 ////////////////////////////////////////////////////////////////////// 1331 // 1332 // No user-serviceable parts beyond this point 1333 // 1334 ////////////////////////////////////////////////////////////////////// 1335 1336 // Construct with MagickCore::Image and default options 1337 Image(MagickCore::Image *image_); 1338 1339 // Retrieve Image* 1340 MagickCore::Image *&image(void); 1341 const MagickCore::Image *constImage(void) const; 1342 1343 // Retrieve ImageInfo* 1344 MagickCore::ImageInfo *imageInfo(void); 1345 const MagickCore::ImageInfo *constImageInfo(void) const; 1346 1347 // Retrieve Options* 1348 Options *options(void); 1349 const Options *constOptions(void) const; 1350 1351 // Retrieve QuantizeInfo* 1352 MagickCore::QuantizeInfo *quantizeInfo(void); 1353 const MagickCore::QuantizeInfo *constQuantizeInfo(void) const; 1354 1355 // Prepare to update image (copy if reference > 1) 1356 void modifyImage(void); 1357 1358 // Register image with image registry or obtain registration id 1359 ::ssize_t registerId(void); 1360 1361 // Replace current image (reference counted) 1362 MagickCore::Image *replaceImage(MagickCore::Image *replacement_); 1363 1364 // Unregister image from image registry 1365 void unregisterId(void); 1366 1367 private: 1368 1369 ImageRef *_imgRef; 1370 }; 1371 1372} // end of namespace Magick 1373 1374#endif // Magick_Image_header 1375