Paint.cpp revision 3d63e0119dc763ed0a06fd7498375746fd391d80
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 51static void defaultSettingsForAndroid(SkPaint* paint) { 52 // looks best we decided 53 paint->setHinting(SkPaint::kSlight_Hinting); 54 // utf16 is required for java 55 paint->setTextEncoding(SkPaint::kUTF16_TextEncoding); 56} 57 58class SkPaintGlue { 59public: 60 61 static void finalizer(JNIEnv* env, jobject clazz, SkPaint* obj) { 62 delete obj; 63 } 64 65 static SkPaint* init(JNIEnv* env, jobject clazz) { 66 SkPaint* obj = new SkPaint(); 67 defaultSettingsForAndroid(obj); 68 return obj; 69 } 70 71 static SkPaint* intiWithPaint(JNIEnv* env, jobject clazz, SkPaint* paint) { 72 SkPaint* obj = new SkPaint(*paint); 73 return obj; 74 } 75 76 static void reset(JNIEnv* env, jobject clazz, SkPaint* obj) { 77 obj->reset(); 78 defaultSettingsForAndroid(obj); 79 } 80 81 static void assign(JNIEnv* env, jobject clazz, SkPaint* dst, const SkPaint* src) { 82 *dst = *src; 83 } 84 85 static jint getFlags(JNIEnv* env, jobject paint) { 86 NPE_CHECK_RETURN_ZERO(env, paint); 87 return GraphicsJNI::getNativePaint(env, paint)->getFlags(); 88 } 89 90 static void setFlags(JNIEnv* env, jobject paint, jint flags) { 91 NPE_CHECK_RETURN_VOID(env, paint); 92 GraphicsJNI::getNativePaint(env, paint)->setFlags(flags); 93 } 94 95 static void setAntiAlias(JNIEnv* env, jobject paint, jboolean aa) { 96 NPE_CHECK_RETURN_VOID(env, paint); 97 GraphicsJNI::getNativePaint(env, paint)->setAntiAlias(aa); 98 } 99 100 static void setLinearText(JNIEnv* env, jobject paint, jboolean linearText) { 101 NPE_CHECK_RETURN_VOID(env, paint); 102 GraphicsJNI::getNativePaint(env, paint)->setLinearText(linearText); 103 } 104 105 static void setSubpixelText(JNIEnv* env, jobject paint, jboolean subpixelText) { 106 NPE_CHECK_RETURN_VOID(env, paint); 107 GraphicsJNI::getNativePaint(env, paint)->setSubpixelText(subpixelText); 108 } 109 110 static void setUnderlineText(JNIEnv* env, jobject paint, jboolean underlineText) { 111 NPE_CHECK_RETURN_VOID(env, paint); 112 GraphicsJNI::getNativePaint(env, paint)->setUnderlineText(underlineText); 113 } 114 115 static void setStrikeThruText(JNIEnv* env, jobject paint, jboolean strikeThruText) { 116 NPE_CHECK_RETURN_VOID(env, paint); 117 GraphicsJNI::getNativePaint(env, paint)->setStrikeThruText(strikeThruText); 118 } 119 120 static void setFakeBoldText(JNIEnv* env, jobject paint, jboolean fakeBoldText) { 121 NPE_CHECK_RETURN_VOID(env, paint); 122 GraphicsJNI::getNativePaint(env, paint)->setFakeBoldText(fakeBoldText); 123 } 124 125 static void setFilterBitmap(JNIEnv* env, jobject paint, jboolean filterBitmap) { 126 NPE_CHECK_RETURN_VOID(env, paint); 127 GraphicsJNI::getNativePaint(env, paint)->setFilterBitmap(filterBitmap); 128 } 129 130 static void setDither(JNIEnv* env, jobject paint, jboolean dither) { 131 NPE_CHECK_RETURN_VOID(env, paint); 132 GraphicsJNI::getNativePaint(env, paint)->setDither(dither); 133 } 134 135 static jint getStyle(JNIEnv* env, jobject clazz, SkPaint* obj) { 136 return obj->getStyle(); 137 } 138 139 static void setStyle(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Style style) { 140 obj->setStyle(style); 141 } 142 143 static jint getColor(JNIEnv* env, jobject paint) { 144 NPE_CHECK_RETURN_ZERO(env, paint); 145 return GraphicsJNI::getNativePaint(env, paint)->getColor(); 146 } 147 148 static jint getAlpha(JNIEnv* env, jobject paint) { 149 NPE_CHECK_RETURN_ZERO(env, paint); 150 return GraphicsJNI::getNativePaint(env, paint)->getAlpha(); 151 } 152 153 static void setColor(JNIEnv* env, jobject paint, jint color) { 154 NPE_CHECK_RETURN_VOID(env, paint); 155 GraphicsJNI::getNativePaint(env, paint)->setColor(color); 156 } 157 158 static void setAlpha(JNIEnv* env, jobject paint, jint a) { 159 NPE_CHECK_RETURN_VOID(env, paint); 160 GraphicsJNI::getNativePaint(env, paint)->setAlpha(a); 161 } 162 163 static jfloat getStrokeWidth(JNIEnv* env, jobject paint) { 164 NPE_CHECK_RETURN_ZERO(env, paint); 165 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getStrokeWidth()); 166 } 167 168 static void setStrokeWidth(JNIEnv* env, jobject paint, jfloat width) { 169 NPE_CHECK_RETURN_VOID(env, paint); 170 GraphicsJNI::getNativePaint(env, paint)->setStrokeWidth(SkFloatToScalar(width)); 171 } 172 173 static jfloat getStrokeMiter(JNIEnv* env, jobject paint) { 174 NPE_CHECK_RETURN_ZERO(env, paint); 175 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getStrokeMiter()); 176 } 177 178 static void setStrokeMiter(JNIEnv* env, jobject paint, jfloat miter) { 179 NPE_CHECK_RETURN_VOID(env, paint); 180 GraphicsJNI::getNativePaint(env, paint)->setStrokeMiter(SkFloatToScalar(miter)); 181 } 182 183 static jint getStrokeCap(JNIEnv* env, jobject clazz, SkPaint* obj) { 184 return obj->getStrokeCap(); 185 } 186 187 static void setStrokeCap(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Cap cap) { 188 obj->setStrokeCap(cap); 189 } 190 191 static jint getStrokeJoin(JNIEnv* env, jobject clazz, SkPaint* obj) { 192 return obj->getStrokeJoin(); 193 } 194 195 static void setStrokeJoin(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Join join) { 196 obj->setStrokeJoin(join); 197 } 198 199 static jboolean getFillPath(JNIEnv* env, jobject clazz, SkPaint* obj, SkPath* src, SkPath* dst) { 200 return obj->getFillPath(*src, dst); 201 } 202 203 static SkShader* setShader(JNIEnv* env, jobject clazz, SkPaint* obj, SkShader* shader) { 204 return obj->setShader(shader); 205 } 206 207 static SkColorFilter* setColorFilter(JNIEnv* env, jobject clazz, SkPaint* obj, SkColorFilter* filter) { 208 return obj->setColorFilter(filter); 209 } 210 211 static SkXfermode* setXfermode(JNIEnv* env, jobject clazz, SkPaint* obj, SkXfermode* xfermode) { 212 return obj->setXfermode(xfermode); 213 } 214 215 static SkPathEffect* setPathEffect(JNIEnv* env, jobject clazz, SkPaint* obj, SkPathEffect* effect) { 216 return obj->setPathEffect(effect); 217 } 218 219 static SkMaskFilter* setMaskFilter(JNIEnv* env, jobject clazz, SkPaint* obj, SkMaskFilter* maskfilter) { 220 return obj->setMaskFilter(maskfilter); 221 } 222 223 static SkTypeface* setTypeface(JNIEnv* env, jobject clazz, SkPaint* obj, SkTypeface* typeface) { 224 return obj->setTypeface(typeface); 225 } 226 227 static SkRasterizer* setRasterizer(JNIEnv* env, jobject clazz, SkPaint* obj, SkRasterizer* rasterizer) { 228 return obj->setRasterizer(rasterizer); 229 } 230 231 static jint getTextAlign(JNIEnv* env, jobject clazz, SkPaint* obj) { 232 return obj->getTextAlign(); 233 } 234 235 static void setTextAlign(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Align align) { 236 obj->setTextAlign(align); 237 } 238 239 static jfloat getTextSize(JNIEnv* env, jobject paint) { 240 NPE_CHECK_RETURN_ZERO(env, paint); 241 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getTextSize()); 242 } 243 244 static void setTextSize(JNIEnv* env, jobject paint, jfloat textSize) { 245 NPE_CHECK_RETURN_VOID(env, paint); 246 GraphicsJNI::getNativePaint(env, paint)->setTextSize(SkFloatToScalar(textSize)); 247 } 248 249 static jfloat getTextScaleX(JNIEnv* env, jobject paint) { 250 NPE_CHECK_RETURN_ZERO(env, paint); 251 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getTextScaleX()); 252 } 253 254 static void setTextScaleX(JNIEnv* env, jobject paint, jfloat scaleX) { 255 NPE_CHECK_RETURN_VOID(env, paint); 256 GraphicsJNI::getNativePaint(env, paint)->setTextScaleX(SkFloatToScalar(scaleX)); 257 } 258 259 static jfloat getTextSkewX(JNIEnv* env, jobject paint) { 260 NPE_CHECK_RETURN_ZERO(env, paint); 261 return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getTextSkewX()); 262 } 263 264 static void setTextSkewX(JNIEnv* env, jobject paint, jfloat skewX) { 265 NPE_CHECK_RETURN_VOID(env, paint); 266 GraphicsJNI::getNativePaint(env, paint)->setTextSkewX(SkFloatToScalar(skewX)); 267 } 268 269 static jfloat ascent(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.fAscent); 274 } 275 276 static jfloat descent(JNIEnv* env, jobject paint) { 277 NPE_CHECK_RETURN_ZERO(env, paint); 278 SkPaint::FontMetrics metrics; 279 (void)GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); 280 return SkScalarToFloat(metrics.fDescent); 281 } 282 283 static jfloat getFontMetrics(JNIEnv* env, jobject paint, jobject metricsObj) { 284 NPE_CHECK_RETURN_ZERO(env, paint); 285 SkPaint::FontMetrics metrics; 286 SkScalar spacing = GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); 287 288 if (metricsObj) { 289 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); 290 env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); 291 env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); 292 env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); 293 env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); 294 env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); 295 } 296 return SkScalarToFloat(spacing); 297 } 298 299 static jint getFontMetricsInt(JNIEnv* env, jobject paint, jobject metricsObj) { 300 NPE_CHECK_RETURN_ZERO(env, paint); 301 SkPaint::FontMetrics metrics; 302 303 GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); 304 int ascent = SkScalarRound(metrics.fAscent); 305 int descent = SkScalarRound(metrics.fDescent); 306 int leading = SkScalarRound(metrics.fLeading); 307 308 if (metricsObj) { 309 SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class)); 310 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloor(metrics.fTop)); 311 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent); 312 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent); 313 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeil(metrics.fBottom)); 314 env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading); 315 } 316 return descent - ascent + leading; 317 } 318 319 static jfloat measureText_CII(JNIEnv* env, jobject jpaint, jcharArray text, int index, int count) { 320 NPE_CHECK_RETURN_ZERO(env, jpaint); 321 NPE_CHECK_RETURN_ZERO(env, text); 322 323 size_t textLength = env->GetArrayLength(text); 324 325 if ((index | count) < 0 || (size_t)(index + count) > textLength) { 326 doThrow(env, "java/lang/ArrayIndexOutOfBoundsException"); 327 return 0; 328 } 329 330 const SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 331 const jchar* textArray = env->GetCharArrayElements(text, NULL); 332 // we double count, since measureText wants a byteLength 333 SkScalar width = paint->measureText(textArray + index, count << 1); 334 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 335 JNI_ABORT); 336 337 return SkScalarToFloat(width); 338 } 339 340 static jfloat measureText_StringII(JNIEnv* env, jobject jpaint, jstring text, int start, int end) { 341 NPE_CHECK_RETURN_ZERO(env, jpaint); 342 NPE_CHECK_RETURN_ZERO(env, text); 343 344 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 345 const jchar* textArray = env->GetStringChars(text, NULL); 346 size_t textLength = env->GetStringLength(text); 347 348 int count = end - start; 349 if ((start | count) < 0 || (size_t)count > textLength) { 350 doThrow(env, "java/lang/IndexOutOfBoundsException"); 351 return 0; 352 } 353 354 jfloat width = SkScalarToFloat(paint->measureText(textArray + start, count << 1)); 355 env->ReleaseStringChars(text, textArray); 356 return width; 357 } 358 359 static jfloat measureText_String(JNIEnv* env, jobject jpaint, jstring text) { 360 NPE_CHECK_RETURN_ZERO(env, jpaint); 361 NPE_CHECK_RETURN_ZERO(env, text); 362 363 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 364 const jchar* textArray = env->GetStringChars(text, NULL); 365 size_t textLength = env->GetStringLength(text); 366 367 jfloat width = SkScalarToFloat(paint->measureText(textArray, textLength << 1)); 368 env->ReleaseStringChars(text, textArray); 369 return width; 370 } 371 372 static int dotextwidths(JNIEnv* env, SkPaint* paint, const jchar text[], int count, jfloatArray widths) { 373 AutoJavaFloatArray autoWidths(env, widths, count); 374 jfloat* widthsArray = autoWidths.ptr(); 375 SkScalar* scalarArray = (SkScalar*)widthsArray; 376 377 count = paint->getTextWidths(text, count << 1, scalarArray); 378 for (int i = 0; i < count; i++) { 379 widthsArray[i] = SkScalarToFloat(scalarArray[i]); 380 } 381 return count; 382 } 383 384 static int getTextWidths___CII_F(JNIEnv* env, jobject clazz, SkPaint* paint, jcharArray text, int index, int count, jfloatArray widths) { 385 const jchar* textArray = env->GetCharArrayElements(text, NULL); 386 count = dotextwidths(env, paint, textArray + index, count, widths); 387 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 388 JNI_ABORT); 389 return count; 390 } 391 392 static int getTextWidths__StringII_F(JNIEnv* env, jobject clazz, SkPaint* paint, jstring text, int start, int end, jfloatArray widths) { 393 const jchar* textArray = env->GetStringChars(text, NULL); 394 int count = dotextwidths(env, paint, textArray + start, end - start, widths); 395 env->ReleaseStringChars(text, textArray); 396 return count; 397 } 398 399 static void getTextPath___CIIFFPath(JNIEnv* env, jobject clazz, SkPaint* paint, jcharArray text, int index, int count, jfloat x, jfloat y, SkPath* path) { 400 const jchar* textArray = env->GetCharArrayElements(text, NULL); 401 paint->getTextPath(textArray + index, count << 1, SkFloatToScalar(x), SkFloatToScalar(y), path); 402 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 403 JNI_ABORT); 404 } 405 406 static void getTextPath__StringIIFFPath(JNIEnv* env, jobject clazz, SkPaint* paint, jstring text, int start, int end, jfloat x, jfloat y, SkPath* path) { 407 const jchar* textArray = env->GetStringChars(text, NULL); 408 paint->getTextPath(textArray + start, (end - start) << 1, SkFloatToScalar(x), SkFloatToScalar(y), path); 409 env->ReleaseStringChars(text, textArray); 410 } 411 412 static void setShadowLayer(JNIEnv* env, jobject jpaint, jfloat radius, 413 jfloat dx, jfloat dy, int color) { 414 NPE_CHECK_RETURN_VOID(env, jpaint); 415 416 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 417 if (radius <= 0) { 418 paint->setLooper(NULL); 419 } 420 else { 421 paint->setLooper(new SkBlurDrawLooper(SkFloatToScalar(radius), 422 SkFloatToScalar(dx), 423 SkFloatToScalar(dy), 424 (SkColor)color))->unref(); 425 } 426 } 427 428 static int breakText(JNIEnv* env, const SkPaint& paint, const jchar text[], 429 int count, float maxWidth, jfloatArray jmeasured, 430 SkPaint::TextBufferDirection tbd) { 431 SkASSERT(paint.getTextEncoding() == SkPaint::kUTF16_TextEncoding); 432 433 SkScalar measured; 434 size_t bytes = paint.breakText(text, count << 1, 435 SkFloatToScalar(maxWidth), &measured, tbd); 436 SkASSERT((bytes & 1) == 0); 437 438 if (jmeasured && env->GetArrayLength(jmeasured) > 0) { 439 AutoJavaFloatArray autoMeasured(env, jmeasured, 1); 440 jfloat* array = autoMeasured.ptr(); 441 array[0] = SkScalarToFloat(measured); 442 } 443 return bytes >> 1; 444 } 445 446 static int breakTextC(JNIEnv* env, jobject jpaint, jcharArray jtext, 447 int index, int count, float maxWidth, jfloatArray jmeasuredWidth) { 448 NPE_CHECK_RETURN_ZERO(env, jpaint); 449 NPE_CHECK_RETURN_ZERO(env, jtext); 450 451 SkPaint::TextBufferDirection tbd; 452 if (count < 0) { 453 tbd = SkPaint::kBackward_TextBufferDirection; 454 count = -count; 455 } 456 else { 457 tbd = SkPaint::kForward_TextBufferDirection; 458 } 459 460 if ((index < 0) || (index + count > env->GetArrayLength(jtext))) { 461 doThrow(env, "java/lang/ArrayIndexOutOfBoundsException"); 462 return 0; 463 } 464 465 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 466 const jchar* text = env->GetCharArrayElements(jtext, NULL); 467 count = breakText(env, *paint, text + index, count, maxWidth, 468 jmeasuredWidth, tbd); 469 env->ReleaseCharArrayElements(jtext, const_cast<jchar*>(text), 470 JNI_ABORT); 471 return count; 472 } 473 474 static int breakTextS(JNIEnv* env, jobject jpaint, jstring jtext, 475 bool forwards, float maxWidth, jfloatArray jmeasuredWidth) { 476 NPE_CHECK_RETURN_ZERO(env, jpaint); 477 NPE_CHECK_RETURN_ZERO(env, jtext); 478 479 SkPaint::TextBufferDirection tbd = forwards ? 480 SkPaint::kForward_TextBufferDirection : 481 SkPaint::kBackward_TextBufferDirection; 482 483 SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); 484 int count = env->GetStringLength(jtext); 485 const jchar* text = env->GetStringChars(jtext, NULL); 486 count = breakText(env, *paint, text, count, maxWidth, 487 jmeasuredWidth, tbd); 488 env->ReleaseStringChars(jtext, text); 489 return count; 490 } 491 492 static void doTextBounds(JNIEnv* env, const jchar* text, int count, 493 jobject bounds, const SkPaint& paint) 494 { 495 SkRect r; 496 SkIRect ir; 497 498 paint.measureText(text, count << 1, &r); 499 r.roundOut(&ir); 500 GraphicsJNI::irect_to_jrect(ir, env, bounds); 501 } 502 503 static void getStringBounds(JNIEnv* env, jobject, const SkPaint* paint, 504 jstring text, int start, int end, jobject bounds) 505 { 506 const jchar* textArray = env->GetStringChars(text, NULL); 507 doTextBounds(env, textArray + start, end - start, bounds, *paint); 508 env->ReleaseStringChars(text, textArray); 509 } 510 511 static void getCharArrayBounds(JNIEnv* env, jobject, const SkPaint* paint, 512 jcharArray text, int index, int count, jobject bounds) 513 { 514 const jchar* textArray = env->GetCharArrayElements(text, NULL); 515 doTextBounds(env, textArray + index, count, bounds, *paint); 516 env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), 517 JNI_ABORT); 518 } 519 520}; 521 522static JNINativeMethod methods[] = { 523 {"finalizer", "(I)V", (void*) SkPaintGlue::finalizer}, 524 {"native_init","()I", (void*) SkPaintGlue::init}, 525 {"native_initWithPaint","(I)I", (void*) SkPaintGlue::intiWithPaint}, 526 {"native_reset","(I)V", (void*) SkPaintGlue::reset}, 527 {"native_set","(II)V", (void*) SkPaintGlue::assign}, 528 {"getFlags","()I", (void*) SkPaintGlue::getFlags}, 529 {"setFlags","(I)V", (void*) SkPaintGlue::setFlags}, 530 {"setAntiAlias","(Z)V", (void*) SkPaintGlue::setAntiAlias}, 531 {"setSubpixelText","(Z)V", (void*) SkPaintGlue::setSubpixelText}, 532 {"setLinearText","(Z)V", (void*) SkPaintGlue::setLinearText}, 533 {"setUnderlineText","(Z)V", (void*) SkPaintGlue::setUnderlineText}, 534 {"setStrikeThruText","(Z)V", (void*) SkPaintGlue::setStrikeThruText}, 535 {"setFakeBoldText","(Z)V", (void*) SkPaintGlue::setFakeBoldText}, 536 {"setFilterBitmap","(Z)V", (void*) SkPaintGlue::setFilterBitmap}, 537 {"setDither","(Z)V", (void*) SkPaintGlue::setDither}, 538 {"native_getStyle","(I)I", (void*) SkPaintGlue::getStyle}, 539 {"native_setStyle","(II)V", (void*) SkPaintGlue::setStyle}, 540 {"getColor","()I", (void*) SkPaintGlue::getColor}, 541 {"setColor","(I)V", (void*) SkPaintGlue::setColor}, 542 {"getAlpha","()I", (void*) SkPaintGlue::getAlpha}, 543 {"setAlpha","(I)V", (void*) SkPaintGlue::setAlpha}, 544 {"getStrokeWidth","()F", (void*) SkPaintGlue::getStrokeWidth}, 545 {"setStrokeWidth","(F)V", (void*) SkPaintGlue::setStrokeWidth}, 546 {"getStrokeMiter","()F", (void*) SkPaintGlue::getStrokeMiter}, 547 {"setStrokeMiter","(F)V", (void*) SkPaintGlue::setStrokeMiter}, 548 {"native_getStrokeCap","(I)I", (void*) SkPaintGlue::getStrokeCap}, 549 {"native_setStrokeCap","(II)V", (void*) SkPaintGlue::setStrokeCap}, 550 {"native_getStrokeJoin","(I)I", (void*) SkPaintGlue::getStrokeJoin}, 551 {"native_setStrokeJoin","(II)V", (void*) SkPaintGlue::setStrokeJoin}, 552 {"native_getFillPath","(III)Z", (void*) SkPaintGlue::getFillPath}, 553 {"native_setShader","(II)I", (void*) SkPaintGlue::setShader}, 554 {"native_setColorFilter","(II)I", (void*) SkPaintGlue::setColorFilter}, 555 {"native_setXfermode","(II)I", (void*) SkPaintGlue::setXfermode}, 556 {"native_setPathEffect","(II)I", (void*) SkPaintGlue::setPathEffect}, 557 {"native_setMaskFilter","(II)I", (void*) SkPaintGlue::setMaskFilter}, 558 {"native_setTypeface","(II)I", (void*) SkPaintGlue::setTypeface}, 559 {"native_setRasterizer","(II)I", (void*) SkPaintGlue::setRasterizer}, 560 {"native_getTextAlign","(I)I", (void*) SkPaintGlue::getTextAlign}, 561 {"native_setTextAlign","(II)V", (void*) SkPaintGlue::setTextAlign}, 562 {"getTextSize","()F", (void*) SkPaintGlue::getTextSize}, 563 {"setTextSize","(F)V", (void*) SkPaintGlue::setTextSize}, 564 {"getTextScaleX","()F", (void*) SkPaintGlue::getTextScaleX}, 565 {"setTextScaleX","(F)V", (void*) SkPaintGlue::setTextScaleX}, 566 {"getTextSkewX","()F", (void*) SkPaintGlue::getTextSkewX}, 567 {"setTextSkewX","(F)V", (void*) SkPaintGlue::setTextSkewX}, 568 {"ascent","()F", (void*) SkPaintGlue::ascent}, 569 {"descent","()F", (void*) SkPaintGlue::descent}, 570 {"getFontMetrics", "(Landroid/graphics/Paint$FontMetrics;)F", (void*)SkPaintGlue::getFontMetrics}, 571 {"getFontMetricsInt", "(Landroid/graphics/Paint$FontMetricsInt;)I", (void*)SkPaintGlue::getFontMetricsInt}, 572 {"measureText","([CII)F", (void*) SkPaintGlue::measureText_CII}, 573 {"measureText","(Ljava/lang/String;)F", (void*) SkPaintGlue::measureText_String}, 574 {"measureText","(Ljava/lang/String;II)F", (void*) SkPaintGlue::measureText_StringII}, 575 {"breakText","([CIIF[F)I", (void*) SkPaintGlue::breakTextC}, 576 {"breakText","(Ljava/lang/String;ZF[F)I", (void*) SkPaintGlue::breakTextS}, 577 {"native_getTextWidths","(I[CII[F)I", (void*) SkPaintGlue::getTextWidths___CII_F}, 578 {"native_getTextWidths","(ILjava/lang/String;II[F)I", (void*) SkPaintGlue::getTextWidths__StringII_F}, 579 {"native_getTextPath","(I[CIIFFI)V", (void*) SkPaintGlue::getTextPath___CIIFFPath}, 580 {"native_getTextPath","(ILjava/lang/String;IIFFI)V", (void*) SkPaintGlue::getTextPath__StringIIFFPath}, 581 {"nativeGetStringBounds", "(ILjava/lang/String;IILandroid/graphics/Rect;)V", 582 (void*) SkPaintGlue::getStringBounds }, 583 {"nativeGetCharArrayBounds", "(I[CIILandroid/graphics/Rect;)V", 584 (void*) SkPaintGlue::getCharArrayBounds }, 585 {"setShadowLayer", "(FFFI)V", (void*)SkPaintGlue::setShadowLayer} 586}; 587 588static jfieldID req_fieldID(jfieldID id) { 589 SkASSERT(id); 590 return id; 591} 592 593int register_android_graphics_Paint(JNIEnv* env) { 594 gFontMetrics_class = env->FindClass("android/graphics/Paint$FontMetrics"); 595 SkASSERT(gFontMetrics_class); 596 gFontMetrics_class = (jclass)env->NewGlobalRef(gFontMetrics_class); 597 598 gFontMetrics_fieldID.top = req_fieldID(env->GetFieldID(gFontMetrics_class, "top", "F")); 599 gFontMetrics_fieldID.ascent = req_fieldID(env->GetFieldID(gFontMetrics_class, "ascent", "F")); 600 gFontMetrics_fieldID.descent = req_fieldID(env->GetFieldID(gFontMetrics_class, "descent", "F")); 601 gFontMetrics_fieldID.bottom = req_fieldID(env->GetFieldID(gFontMetrics_class, "bottom", "F")); 602 gFontMetrics_fieldID.leading = req_fieldID(env->GetFieldID(gFontMetrics_class, "leading", "F")); 603 604 gFontMetricsInt_class = env->FindClass("android/graphics/Paint$FontMetricsInt"); 605 SkASSERT(gFontMetricsInt_class); 606 gFontMetricsInt_class = (jclass)env->NewGlobalRef(gFontMetricsInt_class); 607 608 gFontMetricsInt_fieldID.top = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "top", "I")); 609 gFontMetricsInt_fieldID.ascent = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "ascent", "I")); 610 gFontMetricsInt_fieldID.descent = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "descent", "I")); 611 gFontMetricsInt_fieldID.bottom = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "bottom", "I")); 612 gFontMetricsInt_fieldID.leading = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "leading", "I")); 613 614 int result = AndroidRuntime::registerNativeMethods(env, "android/graphics/Paint", methods, 615 sizeof(methods) / sizeof(methods[0])); 616 return result; 617} 618 619} 620