Paint.cpp revision 54b6cfa9a9e5b861a9930af873580d6dc20f773c
1/* libs/android_runtime/android/graphics/Paint.cpp 2** 3** Copyright 2006, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18// This file was generated from the C++ include file: SkPaint.h 19// Any changes made to this file will be discarded by the build. 20// To change this file, either edit the include, or device/tools/gluemaker/main.cpp, 21// or one of the auxilary file specifications in device/tools/gluemaker. 22 23#include "jni.h" 24#include "GraphicsJNI.h" 25#include <android_runtime/AndroidRuntime.h> 26 27#include "SkBlurDrawLooper.h" 28#include "SkColorFilter.h" 29#include "SkMaskFilter.h" 30#include "SkRasterizer.h" 31#include "SkShader.h" 32#include "SkTypeface.h" 33#include "SkXfermode.h" 34 35namespace android { 36 37struct JMetricsID { 38 jfieldID top; 39 jfieldID ascent; 40 jfieldID descent; 41 jfieldID bottom; 42 jfieldID leading; 43}; 44 45static jclass gFontMetrics_class; 46static JMetricsID gFontMetrics_fieldID; 47 48static jclass gFontMetricsInt_class; 49static JMetricsID gFontMetricsInt_fieldID; 50 51class SkPaintGlue { 52public: 53 54 static void finalizer(JNIEnv* env, jobject clazz, SkPaint* obj) { 55 delete obj; 56 } 57 58 static SkPaint* init(JNIEnv* env, jobject clazz) { 59 SkPaint* obj = new SkPaint(); 60 // utf16 is required for java 61 obj->setTextEncoding(SkPaint::kUTF16_TextEncoding); 62 return obj; 63 } 64 65 static SkPaint* intiWithPaint(JNIEnv* env, jobject clazz, SkPaint* paint) { 66 SkPaint* obj = new SkPaint(*paint); 67 return obj; 68 } 69 70 static void reset(JNIEnv* env, jobject clazz, SkPaint* obj) { 71 obj->reset(); 72 } 73 74 static void assign(JNIEnv* env, jobject clazz, SkPaint* dst, const SkPaint* src) { 75 *dst = *src; 76 } 77 78 static jint getFlags(JNIEnv* env, jobject paint) { 79 NPE_CHECK_RETURN_ZERO(env, paint); 80 return GraphicsJNI::getNativePaint(env, paint)->getFlags(); 81 } 82 83 static void setFlags(JNIEnv* env, jobject paint, jint flags) { 84 NPE_CHECK_RETURN_VOID(env, paint); 85 GraphicsJNI::getNativePaint(env, paint)->setFlags(flags); 86 } 87 88 static void setAntiAlias(JNIEnv* env, jobject paint, jboolean aa) { 89 NPE_CHECK_RETURN_VOID(env, paint); 90 GraphicsJNI::getNativePaint(env, paint)->setAntiAlias(aa); 91 } 92 93 static void setLinearText(JNIEnv* env, jobject paint, jboolean linearText) { 94 NPE_CHECK_RETURN_VOID(env, paint); 95 GraphicsJNI::getNativePaint(env, paint)->setLinearText(linearText); 96 } 97 98 static void setSubpixelText(JNIEnv* env, jobject paint, jboolean subpixelText) { 99 NPE_CHECK_RETURN_VOID(env, paint); 100 GraphicsJNI::getNativePaint(env, paint)->setSubpixelText(subpixelText); 101 } 102 103 static void setUnderlineText(JNIEnv* env, jobject paint, jboolean underlineText) { 104 NPE_CHECK_RETURN_VOID(env, paint); 105 GraphicsJNI::getNativePaint(env, paint)->setUnderlineText(underlineText); 106 } 107 108 static void setStrikeThruText(JNIEnv* env, jobject paint, jboolean strikeThruText) { 109 NPE_CHECK_RETURN_VOID(env, paint); 110 GraphicsJNI::getNativePaint(env, paint)->setStrikeThruText(strikeThruText); 111 } 112 113 static void setFakeBoldText(JNIEnv* env, jobject paint, jboolean fakeBoldText) { 114 NPE_CHECK_RETURN_VOID(env, paint); 115 GraphicsJNI::getNativePaint(env, paint)->setFakeBoldText(fakeBoldText); 116 } 117 118 static void setFilterBitmap(JNIEnv* env, jobject paint, jboolean filterBitmap) { 119 NPE_CHECK_RETURN_VOID(env, paint); 120 GraphicsJNI::getNativePaint(env, paint)->setFilterBitmap(filterBitmap); 121 } 122 123 static void setDither(JNIEnv* env, jobject paint, jboolean dither) { 124 NPE_CHECK_RETURN_VOID(env, paint); 125 GraphicsJNI::getNativePaint(env, paint)->setDither(dither); 126 } 127 128 static jint getStyle(JNIEnv* env, jobject clazz, SkPaint* obj) { 129 return obj->getStyle(); 130 } 131 132 static void setStyle(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Style style) { 133 obj->setStyle(style); 134 } 135 136 static jint getColor(JNIEnv* env, jobject paint) { 137 NPE_CHECK_RETURN_ZERO(env, paint); 138 return GraphicsJNI::getNativePaint(env, paint)->getColor(); 139 } 140 141 static jint getAlpha(JNIEnv* env, jobject paint) { 142 NPE_CHECK_RETURN_ZERO(env, paint); 143 return GraphicsJNI::getNativePaint(env, paint)->getAlpha(); 144 } 145 146 static void setColor(JNIEnv* env, jobject paint, jint color) { 147 NPE_CHECK_RETURN_VOID(env, paint); 148 GraphicsJNI::getNativePaint(env, paint)->setColor(color); 149 } 150 151 static void setAlpha(JNIEnv* env, jobject paint, jint a) { 152 NPE_CHECK_RETURN_VOID(env, paint); 153 GraphicsJNI::getNativePaint(env, paint)->setAlpha(a); 154 } 155 156 static jfloat getStrokeWidth(JNIEnv* env, jobject paint) { 157 NPE_CHECK_RETURN_ZERO(env, paint); 158 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getStrokeWidth()); 159 } 160 161 static void setStrokeWidth(JNIEnv* env, jobject paint, jfloat width) { 162 NPE_CHECK_RETURN_VOID(env, paint); 163 GraphicsJNI::getNativePaint(env, paint)->setStrokeWidth(SkFloatToScalar(width)); 164 } 165 166 static jfloat getStrokeMiter(JNIEnv* env, jobject paint) { 167 NPE_CHECK_RETURN_ZERO(env, paint); 168 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getStrokeMiter()); 169 } 170 171 static void setStrokeMiter(JNIEnv* env, jobject paint, jfloat miter) { 172 NPE_CHECK_RETURN_VOID(env, paint); 173 GraphicsJNI::getNativePaint(env, paint)->setStrokeMiter(SkFloatToScalar(miter)); 174 } 175 176 static jint getStrokeCap(JNIEnv* env, jobject clazz, SkPaint* obj) { 177 return obj->getStrokeCap(); 178 } 179 180 static void setStrokeCap(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Cap cap) { 181 obj->setStrokeCap(cap); 182 } 183 184 static jint getStrokeJoin(JNIEnv* env, jobject clazz, SkPaint* obj) { 185 return obj->getStrokeJoin(); 186 } 187 188 static void setStrokeJoin(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Join join) { 189 obj->setStrokeJoin(join); 190 } 191 192 static jboolean getFillPath(JNIEnv* env, jobject clazz, SkPaint* obj, SkPath* src, SkPath* dst) { 193 return obj->getFillPath(*src, dst); 194 } 195 196 static SkShader* setShader(JNIEnv* env, jobject clazz, SkPaint* obj, SkShader* shader) { 197 return obj->setShader(shader); 198 } 199 200 static SkColorFilter* setColorFilter(JNIEnv* env, jobject clazz, SkPaint* obj, SkColorFilter* filter) { 201 return obj->setColorFilter(filter); 202 } 203 204 static SkXfermode* setXfermode(JNIEnv* env, jobject clazz, SkPaint* obj, SkXfermode* xfermode) { 205 return obj->setXfermode(xfermode); 206 } 207 208 static SkPathEffect* setPathEffect(JNIEnv* env, jobject clazz, SkPaint* obj, SkPathEffect* effect) { 209 return obj->setPathEffect(effect); 210 } 211 212 static SkMaskFilter* setMaskFilter(JNIEnv* env, jobject clazz, SkPaint* obj, SkMaskFilter* maskfilter) { 213 return obj->setMaskFilter(maskfilter); 214 } 215 216 static SkTypeface* setTypeface(JNIEnv* env, jobject clazz, SkPaint* obj, SkTypeface* typeface) { 217 return obj->setTypeface(typeface); 218 } 219 220 static SkRasterizer* setRasterizer(JNIEnv* env, jobject clazz, SkPaint* obj, SkRasterizer* rasterizer) { 221 return obj->setRasterizer(rasterizer); 222 } 223 224 static jint getTextAlign(JNIEnv* env, jobject clazz, SkPaint* obj) { 225 return obj->getTextAlign(); 226 } 227 228 static void setTextAlign(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Align align) { 229 obj->setTextAlign(align); 230 } 231 232 static jfloat getTextSize(JNIEnv* env, jobject paint) { 233 NPE_CHECK_RETURN_ZERO(env, paint); 234 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getTextSize()); 235 } 236 237 static void setTextSize(JNIEnv* env, jobject paint, jfloat textSize) { 238 NPE_CHECK_RETURN_VOID(env, paint); 239 GraphicsJNI::getNativePaint(env, paint)->setTextSize(SkFloatToScalar(textSize)); 240 } 241 242 static jfloat getTextScaleX(JNIEnv* env, jobject paint) { 243 NPE_CHECK_RETURN_ZERO(env, paint); 244 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getTextScaleX()); 245 } 246 247 static void setTextScaleX(JNIEnv* env, jobject paint, jfloat scaleX) { 248 NPE_CHECK_RETURN_VOID(env, paint); 249 GraphicsJNI::getNativePaint(env, paint)->setTextScaleX(SkFloatToScalar(scaleX)); 250 } 251 252 static jfloat getTextSkewX(JNIEnv* env, jobject paint) { 253 NPE_CHECK_RETURN_ZERO(env, paint); 254 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getTextSkewX()); 255 } 256 257 static void setTextSkewX(JNIEnv* env, jobject paint, jfloat skewX) { 258 NPE_CHECK_RETURN_VOID(env, paint); 259 GraphicsJNI::getNativePaint(env, paint)->setTextSkewX(SkFloatToScalar(skewX)); 260 } 261 262 static jfloat ascent(JNIEnv* env, jobject paint) { 263 NPE_CHECK_RETURN_ZERO(env, paint); 264 SkPaint::FontMetrics metrics; 265 (void)GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); 266 return SkScalarToFloat(metrics.fAscent); 267 } 268 269 static jfloat descent(JNIEnv* env, jobject paint) { 270 NPE_CHECK_RETURN_ZERO(env, paint); 271 SkPaint::FontMetrics metrics; 272 (void)GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); 273 return SkScalarToFloat(metrics.fDescent); 274 } 275 276 static jfloat getFontMetrics(JNIEnv* env, jobject paint, jobject metricsObj) { 277 NPE_CHECK_RETURN_ZERO(env, paint); 278 SkPaint::FontMetrics metrics; 279 SkScalar spacing = GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); 280 281 if (metricsObj) { 282 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); 283 env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); 284 env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); 285 env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); 286 env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); 287 env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); 288 } 289 return SkScalarToFloat(spacing); 290 } 291 292 static jint getFontMetricsInt(JNIEnv* env, jobject paint, jobject metricsObj) { 293 NPE_CHECK_RETURN_ZERO(env, paint); 294 SkPaint::FontMetrics metrics; 295 296 GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); 297 int ascent = SkScalarRound(metrics.fAscent); 298 int descent = SkScalarRound(metrics.fDescent); 299 int leading = SkScalarRound(metrics.fLeading); 300 301 if (metricsObj) { 302 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class)); 303 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloor(metrics.fTop)); 304 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent); 305 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent); 306 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeil(metrics.fBottom)); 307 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading); 308 } 309 return descent - ascent + leading; 310 } 311 312 static jfloat measureText_CII(JNIEnv* env, jobject jpaint, jcharArray text, int index, int count) { 313 NPE_CHECK_RETURN_ZERO(env, jpaint); 314 NPE_CHECK_RETURN_ZERO(env, text); 315 316 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 317 jchar* textArray = env->GetCharArrayElements(text, NULL); 318 size_t textLength = env->GetArrayLength(text); 319 320 if ((index | count) < 0 || (size_t)(index + count) > textLength) { 321 doThrow(env, "ArrayIndexOutOfBoundsException"); 322 return 0; 323 } 324 325 jfloat width = SkScalarToFloat(paint->measureText(textArray + index, count << 1)); 326 env->ReleaseCharArrayElements(text, textArray, 0); 327 return width; 328 } 329 330 static jfloat measureText_StringII(JNIEnv* env, jobject jpaint, jstring text, int start, int end) { 331 NPE_CHECK_RETURN_ZERO(env, jpaint); 332 NPE_CHECK_RETURN_ZERO(env, text); 333 334 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 335 const jchar* textArray = env->GetStringChars(text, NULL); 336 size_t textLength = env->GetStringLength(text); 337 338 int count = end - start; 339 if ((start | count) < 0 || (size_t)count > textLength) { 340 doThrow(env, "IndexOutOfBoundsException"); 341 return 0; 342 } 343 344 jfloat width = SkScalarToFloat(paint->measureText(textArray + start, count << 1)); 345 env->ReleaseStringChars(text, textArray); 346 return width; 347 } 348 349 static jfloat measureText_String(JNIEnv* env, jobject jpaint, jstring text) { 350 NPE_CHECK_RETURN_ZERO(env, jpaint); 351 NPE_CHECK_RETURN_ZERO(env, text); 352 353 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 354 const jchar* textArray = env->GetStringChars(text, NULL); 355 size_t textLength = env->GetStringLength(text); 356 357 jfloat width = SkScalarToFloat(paint->measureText(textArray, textLength << 1)); 358 env->ReleaseStringChars(text, textArray); 359 return width; 360 } 361 362 static int dotextwidths(JNIEnv* env, SkPaint* paint, const jchar text[], int count, jfloatArray widths) { 363 AutoJavaFloatArray autoWidths(env, widths, count); 364 jfloat* widthsArray = autoWidths.ptr(); 365 SkScalar* scalarArray = (SkScalar*)widthsArray; 366 367 count = paint->getTextWidths(text, count << 1, scalarArray); 368 for (int i = 0; i < count; i++) { 369 widthsArray[i] = SkScalarToFloat(scalarArray[i]); 370 } 371 return count; 372 } 373 374 static int getTextWidths___CII_F(JNIEnv* env, jobject clazz, SkPaint* paint, jcharArray text, int index, int count, jfloatArray widths) { 375 jchar* textArray = env->GetCharArrayElements(text, NULL); 376 count = dotextwidths(env, paint, textArray + index, count, widths); 377 env->ReleaseCharArrayElements(text, textArray, 0); 378 return count; 379 } 380 381 static int getTextWidths__StringII_F(JNIEnv* env, jobject clazz, SkPaint* paint, jstring text, int start, int end, jfloatArray widths) { 382 const jchar* textArray = env->GetStringChars(text, NULL); 383 int count = dotextwidths(env, paint, textArray + start, end - start, widths); 384 env->ReleaseStringChars(text, textArray); 385 return count; 386 } 387 388 static void getTextPath___CIIFFPath(JNIEnv* env, jobject clazz, SkPaint* paint, jcharArray text, int index, int count, jfloat x, jfloat y, SkPath* path) { 389 jchar* textArray = env->GetCharArrayElements(text, NULL); 390 paint->getTextPath(textArray + index, count << 1, SkFloatToScalar(x), SkFloatToScalar(y), path); 391 env->ReleaseCharArrayElements(text, textArray, 0); 392 } 393 394 static void getTextPath__StringIIFFPath(JNIEnv* env, jobject clazz, SkPaint* paint, jstring text, int start, int end, jfloat x, jfloat y, SkPath* path) { 395 const jchar* textArray = env->GetStringChars(text, NULL); 396 paint->getTextPath(textArray + start, (end - start) << 1, SkFloatToScalar(x), SkFloatToScalar(y), path); 397 env->ReleaseStringChars(text, textArray); 398 } 399 400 static void setShadowLayer(JNIEnv* env, jobject jpaint, jfloat radius, 401 jfloat dx, jfloat dy, int color) { 402 NPE_CHECK_RETURN_VOID(env, jpaint); 403 404 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 405 if (radius <= 0) { 406 paint->setLooper(NULL); 407 } 408 else { 409 paint->setLooper(new SkBlurDrawLooper(SkFloatToScalar(radius), 410 SkFloatToScalar(dx), 411 SkFloatToScalar(dy), 412 (SkColor)color))->unref(); 413 } 414 } 415 416 static int breakText(JNIEnv* env, const SkPaint& paint, const jchar text[], 417 int count, float maxWidth, jfloatArray jmeasured, 418 SkPaint::TextBufferDirection tbd) { 419 SkASSERT(paint.getTextEncoding() == SkPaint::kUTF16_TextEncoding); 420 421 SkScalar measured; 422 size_t bytes = paint.breakText(text, count << 1, 423 SkFloatToScalar(maxWidth), &measured, tbd); 424 SkASSERT((bytes & 1) == 0); 425 426 if (jmeasured && env->GetArrayLength(jmeasured) > 0) { 427 AutoJavaFloatArray autoMeasured(env, jmeasured, 1); 428 jfloat* array = autoMeasured.ptr(); 429 array[0] = SkScalarToFloat(measured); 430 } 431 return bytes >> 1; 432 } 433 434 static int breakTextC(JNIEnv* env, jobject jpaint, jcharArray jtext, 435 int index, int count, float maxWidth, jfloatArray jmeasuredWidth) { 436 NPE_CHECK_RETURN_ZERO(env, jpaint); 437 NPE_CHECK_RETURN_ZERO(env, jtext); 438 439 SkPaint::TextBufferDirection tbd; 440 if (count < 0) { 441 tbd = SkPaint::kBackward_TextBufferDirection; 442 count = -count; 443 } 444 else { 445 tbd = SkPaint::kForward_TextBufferDirection; 446 } 447 448 if ((index < 0) || (index + count > env->GetArrayLength(jtext))) { 449 doThrow(env, "java/lang/ArrayIndexOutOfBoundsException"); 450 return 0; 451 } 452 453 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 454 jchar* text = env->GetCharArrayElements(jtext, NULL); 455 count = breakText(env, *paint, text + index, count, maxWidth, 456 jmeasuredWidth, tbd); 457 env->ReleaseCharArrayElements(jtext, text, 0); 458 return count; 459 } 460 461 static int breakTextS(JNIEnv* env, jobject jpaint, jstring jtext, 462 bool forwards, float maxWidth, jfloatArray jmeasuredWidth) { 463 NPE_CHECK_RETURN_ZERO(env, jpaint); 464 NPE_CHECK_RETURN_ZERO(env, jtext); 465 466 SkPaint::TextBufferDirection tbd = forwards ? 467 SkPaint::kForward_TextBufferDirection : 468 SkPaint::kBackward_TextBufferDirection; 469 470 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 471 int count = env->GetStringLength(jtext); 472 const jchar* text = env->GetStringChars(jtext, NULL); 473 count = breakText(env, *paint, text, count, maxWidth, 474 jmeasuredWidth, tbd); 475 env->ReleaseStringChars(jtext, text); 476 return count; 477 } 478 479 static void doTextBounds(JNIEnv* env, const jchar* text, int count, 480 jobject bounds, const SkPaint& paint) 481 { 482 SkRect r; 483 SkIRect ir; 484 485 paint.measureText(text, count << 1, &r); 486 r.roundOut(&ir); 487 GraphicsJNI::irect_to_jrect(ir, env, bounds); 488 } 489 490 static void getStringBounds(JNIEnv* env, jobject, const SkPaint* paint, 491 jstring text, int start, int end, jobject bounds) 492 { 493 const jchar* textArray = env->GetStringChars(text, NULL); 494 doTextBounds(env, textArray + start, end - start, bounds, *paint); 495 env->ReleaseStringChars(text, textArray); 496 } 497 498 static void getCharArrayBounds(JNIEnv* env, jobject, const SkPaint* paint, 499 jcharArray text, int index, int count, jobject bounds) 500 { 501 jchar* textArray = env->GetCharArrayElements(text, NULL); 502 doTextBounds(env, textArray + index, count, bounds, *paint); 503 env->ReleaseCharArrayElements(text, textArray, 0); 504 } 505 506}; 507 508static JNINativeMethod methods[] = { 509 {"finalizer", "(I)V", (void*) SkPaintGlue::finalizer}, 510 {"native_init","()I", (void*) SkPaintGlue::init}, 511 {"native_initWithPaint","(I)I", (void*) SkPaintGlue::intiWithPaint}, 512 {"native_reset","(I)V", (void*) SkPaintGlue::reset}, 513 {"native_set","(II)V", (void*) SkPaintGlue::assign}, 514 {"getFlags","()I", (void*) SkPaintGlue::getFlags}, 515 {"setFlags","(I)V", (void*) SkPaintGlue::setFlags}, 516 {"setAntiAlias","(Z)V", (void*) SkPaintGlue::setAntiAlias}, 517 {"setSubpixelText","(Z)V", (void*) SkPaintGlue::setSubpixelText}, 518 {"setLinearText","(Z)V", (void*) SkPaintGlue::setLinearText}, 519 {"setUnderlineText","(Z)V", (void*) SkPaintGlue::setUnderlineText}, 520 {"setStrikeThruText","(Z)V", (void*) SkPaintGlue::setStrikeThruText}, 521 {"setFakeBoldText","(Z)V", (void*) SkPaintGlue::setFakeBoldText}, 522 {"setFilterBitmap","(Z)V", (void*) SkPaintGlue::setFilterBitmap}, 523 {"setDither","(Z)V", (void*) SkPaintGlue::setDither}, 524 {"native_getStyle","(I)I", (void*) SkPaintGlue::getStyle}, 525 {"native_setStyle","(II)V", (void*) SkPaintGlue::setStyle}, 526 {"getColor","()I", (void*) SkPaintGlue::getColor}, 527 {"setColor","(I)V", (void*) SkPaintGlue::setColor}, 528 {"getAlpha","()I", (void*) SkPaintGlue::getAlpha}, 529 {"setAlpha","(I)V", (void*) SkPaintGlue::setAlpha}, 530 {"getStrokeWidth","()F", (void*) SkPaintGlue::getStrokeWidth}, 531 {"setStrokeWidth","(F)V", (void*) SkPaintGlue::setStrokeWidth}, 532 {"getStrokeMiter","()F", (void*) SkPaintGlue::getStrokeMiter}, 533 {"setStrokeMiter","(F)V", (void*) SkPaintGlue::setStrokeMiter}, 534 {"native_getStrokeCap","(I)I", (void*) SkPaintGlue::getStrokeCap}, 535 {"native_setStrokeCap","(II)V", (void*) SkPaintGlue::setStrokeCap}, 536 {"native_getStrokeJoin","(I)I", (void*) SkPaintGlue::getStrokeJoin}, 537 {"native_setStrokeJoin","(II)V", (void*) SkPaintGlue::setStrokeJoin}, 538 {"native_getFillPath","(III)Z", (void*) SkPaintGlue::getFillPath}, 539 {"native_setShader","(II)I", (void*) SkPaintGlue::setShader}, 540 {"native_setColorFilter","(II)I", (void*) SkPaintGlue::setColorFilter}, 541 {"native_setXfermode","(II)I", (void*) SkPaintGlue::setXfermode}, 542 {"native_setPathEffect","(II)I", (void*) SkPaintGlue::setPathEffect}, 543 {"native_setMaskFilter","(II)I", (void*) SkPaintGlue::setMaskFilter}, 544 {"native_setTypeface","(II)I", (void*) SkPaintGlue::setTypeface}, 545 {"native_setRasterizer","(II)I", (void*) SkPaintGlue::setRasterizer}, 546 {"native_getTextAlign","(I)I", (void*) SkPaintGlue::getTextAlign}, 547 {"native_setTextAlign","(II)V", (void*) SkPaintGlue::setTextAlign}, 548 {"getTextSize","()F", (void*) SkPaintGlue::getTextSize}, 549 {"setTextSize","(F)V", (void*) SkPaintGlue::setTextSize}, 550 {"getTextScaleX","()F", (void*) SkPaintGlue::getTextScaleX}, 551 {"setTextScaleX","(F)V", (void*) SkPaintGlue::setTextScaleX}, 552 {"getTextSkewX","()F", (void*) SkPaintGlue::getTextSkewX}, 553 {"setTextSkewX","(F)V", (void*) SkPaintGlue::setTextSkewX}, 554 {"ascent","()F", (void*) SkPaintGlue::ascent}, 555 {"descent","()F", (void*) SkPaintGlue::descent}, 556 {"getFontMetrics", "(Landroid/graphics/Paint$FontMetrics;)F", (void*)SkPaintGlue::getFontMetrics}, 557 {"getFontMetricsInt", "(Landroid/graphics/Paint$FontMetricsInt;)I", (void*)SkPaintGlue::getFontMetricsInt}, 558 {"measureText","([CII)F", (void*) SkPaintGlue::measureText_CII}, 559 {"measureText","(Ljava/lang/String;)F", (void*) SkPaintGlue::measureText_String}, 560 {"measureText","(Ljava/lang/String;II)F", (void*) SkPaintGlue::measureText_StringII}, 561 {"breakText","([CIIF[F)I", (void*) SkPaintGlue::breakTextC}, 562 {"breakText","(Ljava/lang/String;ZF[F)I", (void*) SkPaintGlue::breakTextS}, 563 {"native_getTextWidths","(I[CII[F)I", (void*) SkPaintGlue::getTextWidths___CII_F}, 564 {"native_getTextWidths","(ILjava/lang/String;II[F)I", (void*) SkPaintGlue::getTextWidths__StringII_F}, 565 {"native_getTextPath","(I[CIIFFI)V", (void*) SkPaintGlue::getTextPath___CIIFFPath}, 566 {"native_getTextPath","(ILjava/lang/String;IIFFI)V", (void*) SkPaintGlue::getTextPath__StringIIFFPath}, 567 {"nativeGetStringBounds", "(ILjava/lang/String;IILandroid/graphics/Rect;)V", 568 (void*) SkPaintGlue::getStringBounds }, 569 {"nativeGetCharArrayBounds", "(I[CIILandroid/graphics/Rect;)V", 570 (void*) SkPaintGlue::getCharArrayBounds }, 571 {"setShadowLayer", "(FFFI)V", (void*)SkPaintGlue::setShadowLayer} 572}; 573 574static jfieldID req_fieldID(jfieldID id) { 575 SkASSERT(id); 576 return id; 577} 578 579int register_android_graphics_Paint(JNIEnv* env) { 580 gFontMetrics_class = env->FindClass("android/graphics/Paint$FontMetrics"); 581 SkASSERT(gFontMetrics_class); 582 gFontMetrics_class = (jclass)env->NewGlobalRef(gFontMetrics_class); 583 584 gFontMetrics_fieldID.top = req_fieldID(env->GetFieldID(gFontMetrics_class, "top", "F")); 585 gFontMetrics_fieldID.ascent = req_fieldID(env->GetFieldID(gFontMetrics_class, "ascent", "F")); 586 gFontMetrics_fieldID.descent = req_fieldID(env->GetFieldID(gFontMetrics_class, "descent", "F")); 587 gFontMetrics_fieldID.bottom = req_fieldID(env->GetFieldID(gFontMetrics_class, "bottom", "F")); 588 gFontMetrics_fieldID.leading = req_fieldID(env->GetFieldID(gFontMetrics_class, "leading", "F")); 589 590 gFontMetricsInt_class = env->FindClass("android/graphics/Paint$FontMetricsInt"); 591 SkASSERT(gFontMetricsInt_class); 592 gFontMetricsInt_class = (jclass)env->NewGlobalRef(gFontMetricsInt_class); 593 594 gFontMetricsInt_fieldID.top = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "top", "I")); 595 gFontMetricsInt_fieldID.ascent = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "ascent", "I")); 596 gFontMetricsInt_fieldID.descent = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "descent", "I")); 597 gFontMetricsInt_fieldID.bottom = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "bottom", "I")); 598 gFontMetricsInt_fieldID.leading = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "leading", "I")); 599 600 int result = AndroidRuntime::registerNativeMethods(env, "android/graphics/Paint", methods, 601 sizeof(methods) / sizeof(methods[0])); 602 return result; 603} 604 605} 606