Behdad Esfahbod | 6ba30b8 | 2014-07-15 16:22:32 -0400 | [diff] [blame] | 1 | #include "Paint.h" |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 2 | #include "SkBitmap.h" |
| 3 | #include "SkPixelRef.h" |
| 4 | #include "SkImageEncoder.h" |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 5 | #include "SkImageInfo.h" |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 6 | #include "SkColorPriv.h" |
| 7 | #include "GraphicsJNI.h" |
| 8 | #include "SkDither.h" |
| 9 | #include "SkUnPreMultiply.h" |
| 10 | #include "SkStream.h" |
| 11 | |
| 12 | #include <binder/Parcel.h> |
| 13 | #include "android_os_Parcel.h" |
| 14 | #include "android_util_Binder.h" |
| 15 | #include "android_nio_utils.h" |
| 16 | #include "CreateJavaOutputStreamAdaptor.h" |
| 17 | |
| 18 | #include <jni.h> |
| 19 | |
| 20 | #include <Caches.h> |
| 21 | |
| 22 | #if 0 |
| 23 | #define TRACE_BITMAP(code) code |
| 24 | #else |
| 25 | #define TRACE_BITMAP(code) |
| 26 | #endif |
| 27 | |
| 28 | /////////////////////////////////////////////////////////////////////////////// |
| 29 | // Conversions to/from SkColor, for get/setPixels, and the create method, which |
| 30 | // is basically like setPixels |
| 31 | |
| 32 | typedef void (*FromColorProc)(void* dst, const SkColor src[], int width, |
| 33 | int x, int y); |
| 34 | |
| 35 | static void FromColor_D32(void* dst, const SkColor src[], int width, |
| 36 | int, int) { |
| 37 | SkPMColor* d = (SkPMColor*)dst; |
| 38 | |
| 39 | for (int i = 0; i < width; i++) { |
| 40 | *d++ = SkPreMultiplyColor(*src++); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | static void FromColor_D32_Raw(void* dst, const SkColor src[], int width, |
| 45 | int, int) { |
Dan Albert | 46d8444 | 2014-11-18 16:07:51 -0800 | [diff] [blame^] | 46 | // Needed to thwart the unreachable code detection from clang. |
| 47 | static const bool sk_color_ne_zero = SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER; |
| 48 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 49 | // SkColor's ordering may be different from SkPMColor |
Dan Albert | 46d8444 | 2014-11-18 16:07:51 -0800 | [diff] [blame^] | 50 | if (sk_color_ne_zero) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 51 | memcpy(dst, src, width * sizeof(SkColor)); |
| 52 | return; |
| 53 | } |
| 54 | |
| 55 | // order isn't same, repack each pixel manually |
| 56 | SkPMColor* d = (SkPMColor*)dst; |
| 57 | for (int i = 0; i < width; i++) { |
| 58 | SkColor c = *src++; |
| 59 | *d++ = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), |
| 60 | SkColorGetG(c), SkColorGetB(c)); |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | static void FromColor_D565(void* dst, const SkColor src[], int width, |
| 65 | int x, int y) { |
| 66 | uint16_t* d = (uint16_t*)dst; |
| 67 | |
| 68 | DITHER_565_SCAN(y); |
| 69 | for (int stop = x + width; x < stop; x++) { |
| 70 | SkColor c = *src++; |
| 71 | *d++ = SkDitherRGBTo565(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c), |
| 72 | DITHER_VALUE(x)); |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | static void FromColor_D4444(void* dst, const SkColor src[], int width, |
| 77 | int x, int y) { |
| 78 | SkPMColor16* d = (SkPMColor16*)dst; |
| 79 | |
| 80 | DITHER_4444_SCAN(y); |
| 81 | for (int stop = x + width; x < stop; x++) { |
| 82 | SkPMColor pmc = SkPreMultiplyColor(*src++); |
| 83 | *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); |
| 84 | // *d++ = SkPixel32ToPixel4444(pmc); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | static void FromColor_D4444_Raw(void* dst, const SkColor src[], int width, |
| 89 | int x, int y) { |
| 90 | SkPMColor16* d = (SkPMColor16*)dst; |
| 91 | |
| 92 | DITHER_4444_SCAN(y); |
| 93 | for (int stop = x + width; x < stop; x++) { |
| 94 | SkColor c = *src++; |
| 95 | |
| 96 | // SkPMColor is used because the ordering is ARGB32, even though the target actually premultiplied |
| 97 | SkPMColor pmc = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), |
| 98 | SkColorGetG(c), SkColorGetB(c)); |
| 99 | *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); |
| 100 | // *d++ = SkPixel32ToPixel4444(pmc); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | // can return NULL |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 105 | static FromColorProc ChooseFromColorProc(const SkBitmap& bitmap) { |
| 106 | switch (bitmap.colorType()) { |
| 107 | case kN32_SkColorType: |
| 108 | return bitmap.alphaType() == kPremul_SkAlphaType ? FromColor_D32 : FromColor_D32_Raw; |
| 109 | case kARGB_4444_SkColorType: |
| 110 | return bitmap.alphaType() == kPremul_SkAlphaType ? FromColor_D4444 : |
| 111 | FromColor_D4444_Raw; |
| 112 | case kRGB_565_SkColorType: |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 113 | return FromColor_D565; |
| 114 | default: |
| 115 | break; |
| 116 | } |
| 117 | return NULL; |
| 118 | } |
| 119 | |
| 120 | bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors, int srcOffset, int srcStride, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 121 | int x, int y, int width, int height, const SkBitmap& dstBitmap) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 122 | SkAutoLockPixels alp(dstBitmap); |
| 123 | void* dst = dstBitmap.getPixels(); |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 124 | FromColorProc proc = ChooseFromColorProc(dstBitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 125 | |
| 126 | if (NULL == dst || NULL == proc) { |
| 127 | return false; |
| 128 | } |
| 129 | |
| 130 | const jint* array = env->GetIntArrayElements(srcColors, NULL); |
| 131 | const SkColor* src = (const SkColor*)array + srcOffset; |
| 132 | |
| 133 | // reset to to actual choice from caller |
| 134 | dst = dstBitmap.getAddr(x, y); |
| 135 | // now copy/convert each scanline |
| 136 | for (int y = 0; y < height; y++) { |
| 137 | proc(dst, src, width, x, y); |
| 138 | src += srcStride; |
| 139 | dst = (char*)dst + dstBitmap.rowBytes(); |
| 140 | } |
| 141 | |
| 142 | dstBitmap.notifyPixelsChanged(); |
| 143 | |
| 144 | env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array), |
| 145 | JNI_ABORT); |
| 146 | return true; |
| 147 | } |
| 148 | |
| 149 | //////////////////// ToColor procs |
| 150 | |
| 151 | typedef void (*ToColorProc)(SkColor dst[], const void* src, int width, |
| 152 | SkColorTable*); |
| 153 | |
| 154 | static void ToColor_S32_Alpha(SkColor dst[], const void* src, int width, |
| 155 | SkColorTable*) { |
| 156 | SkASSERT(width > 0); |
| 157 | const SkPMColor* s = (const SkPMColor*)src; |
| 158 | do { |
| 159 | *dst++ = SkUnPreMultiply::PMColorToColor(*s++); |
| 160 | } while (--width != 0); |
| 161 | } |
| 162 | |
| 163 | static void ToColor_S32_Raw(SkColor dst[], const void* src, int width, |
| 164 | SkColorTable*) { |
| 165 | SkASSERT(width > 0); |
| 166 | const SkPMColor* s = (const SkPMColor*)src; |
| 167 | do { |
| 168 | SkPMColor c = *s++; |
| 169 | *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| 170 | SkGetPackedG32(c), SkGetPackedB32(c)); |
| 171 | } while (--width != 0); |
| 172 | } |
| 173 | |
| 174 | static void ToColor_S32_Opaque(SkColor dst[], const void* src, int width, |
| 175 | SkColorTable*) { |
| 176 | SkASSERT(width > 0); |
| 177 | const SkPMColor* s = (const SkPMColor*)src; |
| 178 | do { |
| 179 | SkPMColor c = *s++; |
| 180 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| 181 | SkGetPackedB32(c)); |
| 182 | } while (--width != 0); |
| 183 | } |
| 184 | |
| 185 | static void ToColor_S4444_Alpha(SkColor dst[], const void* src, int width, |
| 186 | SkColorTable*) { |
| 187 | SkASSERT(width > 0); |
| 188 | const SkPMColor16* s = (const SkPMColor16*)src; |
| 189 | do { |
| 190 | *dst++ = SkUnPreMultiply::PMColorToColor(SkPixel4444ToPixel32(*s++)); |
| 191 | } while (--width != 0); |
| 192 | } |
| 193 | |
| 194 | static void ToColor_S4444_Raw(SkColor dst[], const void* src, int width, |
| 195 | SkColorTable*) { |
| 196 | SkASSERT(width > 0); |
| 197 | const SkPMColor16* s = (const SkPMColor16*)src; |
| 198 | do { |
| 199 | SkPMColor c = SkPixel4444ToPixel32(*s++); |
| 200 | *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| 201 | SkGetPackedG32(c), SkGetPackedB32(c)); |
| 202 | } while (--width != 0); |
| 203 | } |
| 204 | |
| 205 | static void ToColor_S4444_Opaque(SkColor dst[], const void* src, int width, |
| 206 | SkColorTable*) { |
| 207 | SkASSERT(width > 0); |
| 208 | const SkPMColor16* s = (const SkPMColor16*)src; |
| 209 | do { |
| 210 | SkPMColor c = SkPixel4444ToPixel32(*s++); |
| 211 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| 212 | SkGetPackedB32(c)); |
| 213 | } while (--width != 0); |
| 214 | } |
| 215 | |
| 216 | static void ToColor_S565(SkColor dst[], const void* src, int width, |
| 217 | SkColorTable*) { |
| 218 | SkASSERT(width > 0); |
| 219 | const uint16_t* s = (const uint16_t*)src; |
| 220 | do { |
| 221 | uint16_t c = *s++; |
| 222 | *dst++ = SkColorSetRGB(SkPacked16ToR32(c), SkPacked16ToG32(c), |
| 223 | SkPacked16ToB32(c)); |
| 224 | } while (--width != 0); |
| 225 | } |
| 226 | |
| 227 | static void ToColor_SI8_Alpha(SkColor dst[], const void* src, int width, |
| 228 | SkColorTable* ctable) { |
| 229 | SkASSERT(width > 0); |
| 230 | const uint8_t* s = (const uint8_t*)src; |
| 231 | const SkPMColor* colors = ctable->lockColors(); |
| 232 | do { |
| 233 | *dst++ = SkUnPreMultiply::PMColorToColor(colors[*s++]); |
| 234 | } while (--width != 0); |
| 235 | ctable->unlockColors(); |
| 236 | } |
| 237 | |
| 238 | static void ToColor_SI8_Raw(SkColor dst[], const void* src, int width, |
| 239 | SkColorTable* ctable) { |
| 240 | SkASSERT(width > 0); |
| 241 | const uint8_t* s = (const uint8_t*)src; |
| 242 | const SkPMColor* colors = ctable->lockColors(); |
| 243 | do { |
| 244 | SkPMColor c = colors[*s++]; |
| 245 | *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| 246 | SkGetPackedG32(c), SkGetPackedB32(c)); |
| 247 | } while (--width != 0); |
| 248 | ctable->unlockColors(); |
| 249 | } |
| 250 | |
| 251 | static void ToColor_SI8_Opaque(SkColor dst[], const void* src, int width, |
| 252 | SkColorTable* ctable) { |
| 253 | SkASSERT(width > 0); |
| 254 | const uint8_t* s = (const uint8_t*)src; |
| 255 | const SkPMColor* colors = ctable->lockColors(); |
| 256 | do { |
| 257 | SkPMColor c = colors[*s++]; |
| 258 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| 259 | SkGetPackedB32(c)); |
| 260 | } while (--width != 0); |
| 261 | ctable->unlockColors(); |
| 262 | } |
| 263 | |
| 264 | // can return NULL |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 265 | static ToColorProc ChooseToColorProc(const SkBitmap& src) { |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 266 | switch (src.colorType()) { |
| 267 | case kN32_SkColorType: |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 268 | switch (src.alphaType()) { |
| 269 | case kOpaque_SkAlphaType: |
| 270 | return ToColor_S32_Opaque; |
| 271 | case kPremul_SkAlphaType: |
| 272 | return ToColor_S32_Alpha; |
| 273 | case kUnpremul_SkAlphaType: |
| 274 | return ToColor_S32_Raw; |
| 275 | default: |
| 276 | return NULL; |
| 277 | } |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 278 | case kARGB_4444_SkColorType: |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 279 | switch (src.alphaType()) { |
| 280 | case kOpaque_SkAlphaType: |
| 281 | return ToColor_S4444_Opaque; |
| 282 | case kPremul_SkAlphaType: |
| 283 | return ToColor_S4444_Alpha; |
| 284 | case kUnpremul_SkAlphaType: |
| 285 | return ToColor_S4444_Raw; |
| 286 | default: |
| 287 | return NULL; |
| 288 | } |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 289 | case kRGB_565_SkColorType: |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 290 | return ToColor_S565; |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 291 | case kIndex_8_SkColorType: |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 292 | if (src.getColorTable() == NULL) { |
| 293 | return NULL; |
| 294 | } |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 295 | switch (src.alphaType()) { |
| 296 | case kOpaque_SkAlphaType: |
| 297 | return ToColor_SI8_Opaque; |
| 298 | case kPremul_SkAlphaType: |
| 299 | return ToColor_SI8_Alpha; |
| 300 | case kUnpremul_SkAlphaType: |
| 301 | return ToColor_SI8_Raw; |
| 302 | default: |
| 303 | return NULL; |
| 304 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 305 | default: |
| 306 | break; |
| 307 | } |
| 308 | return NULL; |
| 309 | } |
| 310 | |
| 311 | /////////////////////////////////////////////////////////////////////////////// |
| 312 | /////////////////////////////////////////////////////////////////////////////// |
| 313 | |
| 314 | static int getPremulBitmapCreateFlags(bool isMutable) { |
| 315 | int flags = GraphicsJNI::kBitmapCreateFlag_Premultiplied; |
| 316 | if (isMutable) flags |= GraphicsJNI::kBitmapCreateFlag_Mutable; |
| 317 | return flags; |
| 318 | } |
| 319 | |
| 320 | static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors, |
| 321 | jint offset, jint stride, jint width, jint height, |
| 322 | jint configHandle, jboolean isMutable) { |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 323 | SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 324 | if (NULL != jColors) { |
| 325 | size_t n = env->GetArrayLength(jColors); |
| 326 | if (n < SkAbs32(stride) * (size_t)height) { |
| 327 | doThrowAIOOBE(env); |
| 328 | return NULL; |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | // ARGB_4444 is a deprecated format, convert automatically to 8888 |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 333 | if (colorType == kARGB_4444_SkColorType) { |
| 334 | colorType = kN32_SkColorType; |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | SkBitmap bitmap; |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 338 | bitmap.setInfo(SkImageInfo::Make(width, height, colorType, kPremul_SkAlphaType)); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 339 | |
| 340 | jbyteArray buff = GraphicsJNI::allocateJavaPixelRef(env, &bitmap, NULL); |
| 341 | if (NULL == buff) { |
| 342 | return NULL; |
| 343 | } |
| 344 | |
| 345 | if (jColors != NULL) { |
| 346 | GraphicsJNI::SetPixels(env, jColors, offset, stride, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 347 | 0, 0, width, height, bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 348 | } |
| 349 | |
| 350 | return GraphicsJNI::createBitmap(env, new SkBitmap(bitmap), buff, |
| 351 | getPremulBitmapCreateFlags(isMutable), NULL, NULL); |
| 352 | } |
| 353 | |
| 354 | static jobject Bitmap_copy(JNIEnv* env, jobject, jlong srcHandle, |
| 355 | jint dstConfigHandle, jboolean isMutable) { |
| 356 | const SkBitmap* src = reinterpret_cast<SkBitmap*>(srcHandle); |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 357 | SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 358 | SkBitmap result; |
| 359 | JavaPixelAllocator allocator(env); |
| 360 | |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 361 | if (!src->copyTo(&result, dstCT, &allocator)) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 362 | return NULL; |
| 363 | } |
| 364 | return GraphicsJNI::createBitmap(env, new SkBitmap(result), allocator.getStorageObj(), |
| 365 | getPremulBitmapCreateFlags(isMutable), NULL, NULL); |
| 366 | } |
| 367 | |
| 368 | static void Bitmap_destructor(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 369 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 370 | #ifdef USE_OPENGL_RENDERER |
| 371 | if (android::uirenderer::Caches::hasInstance()) { |
| 372 | android::uirenderer::Caches::getInstance().resourceCache.destructor(bitmap); |
| 373 | return; |
| 374 | } |
| 375 | #endif // USE_OPENGL_RENDERER |
| 376 | delete bitmap; |
| 377 | } |
| 378 | |
| 379 | static jboolean Bitmap_recycle(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 380 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 381 | #ifdef USE_OPENGL_RENDERER |
| 382 | if (android::uirenderer::Caches::hasInstance()) { |
| 383 | bool result; |
| 384 | result = android::uirenderer::Caches::getInstance().resourceCache.recycle(bitmap); |
| 385 | return result ? JNI_TRUE : JNI_FALSE; |
| 386 | } |
| 387 | #endif // USE_OPENGL_RENDERER |
| 388 | bitmap->setPixels(NULL, NULL); |
| 389 | return JNI_TRUE; |
| 390 | } |
| 391 | |
| 392 | static void Bitmap_reconfigure(JNIEnv* env, jobject clazz, jlong bitmapHandle, |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 393 | jint width, jint height, jint configHandle, jint allocSize, |
| 394 | jboolean requestPremul) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 395 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 396 | SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 397 | |
| 398 | // ARGB_4444 is a deprecated format, convert automatically to 8888 |
| 399 | if (colorType == kARGB_4444_SkColorType) { |
| 400 | colorType = kN32_SkColorType; |
| 401 | } |
| 402 | |
| 403 | if (width * height * SkColorTypeBytesPerPixel(colorType) > allocSize) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 404 | // done in native as there's no way to get BytesPerPixel in Java |
| 405 | doThrowIAE(env, "Bitmap not large enough to support new configuration"); |
| 406 | return; |
| 407 | } |
| 408 | SkPixelRef* ref = bitmap->pixelRef(); |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 409 | ref->ref(); |
| 410 | SkAlphaType alphaType; |
| 411 | if (bitmap->colorType() != kRGB_565_SkColorType |
| 412 | && bitmap->alphaType() == kOpaque_SkAlphaType) { |
| 413 | // If the original bitmap was set to opaque, keep that setting, unless it |
| 414 | // was 565, which is required to be opaque. |
| 415 | alphaType = kOpaque_SkAlphaType; |
| 416 | } else { |
| 417 | // Otherwise respect the premultiplied request. |
| 418 | alphaType = requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType; |
| 419 | } |
| 420 | bitmap->setInfo(SkImageInfo::Make(width, height, colorType, alphaType)); |
| 421 | // FIXME: Skia thinks of an SkPixelRef as having a constant SkImageInfo (except for |
| 422 | // its alphatype), so it would make more sense from Skia's perspective to create a |
| 423 | // new SkPixelRef. That said, libhwui uses the pointer to the SkPixelRef as a key |
| 424 | // for its cache, so it won't realize this is the same Java Bitmap. |
| 425 | SkImageInfo& info = const_cast<SkImageInfo&>(ref->info()); |
| 426 | // Use the updated from the SkBitmap, which may have corrected an invalid alphatype. |
| 427 | // (e.g. 565 non-opaque) |
| 428 | info = bitmap->info(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 429 | bitmap->setPixelRef(ref); |
| 430 | |
| 431 | // notifyPixelsChanged will increment the generation ID even though the actual pixel data |
| 432 | // hasn't been touched. This signals the renderer that the bitmap (including width, height, |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 433 | // colortype and alphatype) has changed. |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 434 | ref->notifyPixelsChanged(); |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 435 | ref->unref(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 436 | } |
| 437 | |
| 438 | // These must match the int values in Bitmap.java |
| 439 | enum JavaEncodeFormat { |
| 440 | kJPEG_JavaEncodeFormat = 0, |
| 441 | kPNG_JavaEncodeFormat = 1, |
| 442 | kWEBP_JavaEncodeFormat = 2 |
| 443 | }; |
| 444 | |
| 445 | static jboolean Bitmap_compress(JNIEnv* env, jobject clazz, jlong bitmapHandle, |
| 446 | jint format, jint quality, |
| 447 | jobject jstream, jbyteArray jstorage) { |
| 448 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 449 | SkImageEncoder::Type fm; |
| 450 | |
| 451 | switch (format) { |
| 452 | case kJPEG_JavaEncodeFormat: |
| 453 | fm = SkImageEncoder::kJPEG_Type; |
| 454 | break; |
| 455 | case kPNG_JavaEncodeFormat: |
| 456 | fm = SkImageEncoder::kPNG_Type; |
| 457 | break; |
| 458 | case kWEBP_JavaEncodeFormat: |
| 459 | fm = SkImageEncoder::kWEBP_Type; |
| 460 | break; |
| 461 | default: |
| 462 | return JNI_FALSE; |
| 463 | } |
| 464 | |
| 465 | bool success = false; |
| 466 | if (NULL != bitmap) { |
| 467 | SkAutoLockPixels alp(*bitmap); |
| 468 | |
| 469 | if (NULL == bitmap->getPixels()) { |
| 470 | return JNI_FALSE; |
| 471 | } |
| 472 | |
| 473 | SkWStream* strm = CreateJavaOutputStreamAdaptor(env, jstream, jstorage); |
| 474 | if (NULL == strm) { |
| 475 | return JNI_FALSE; |
| 476 | } |
| 477 | |
| 478 | SkImageEncoder* encoder = SkImageEncoder::Create(fm); |
| 479 | if (NULL != encoder) { |
| 480 | success = encoder->encodeStream(strm, *bitmap, quality); |
| 481 | delete encoder; |
| 482 | } |
| 483 | delete strm; |
| 484 | } |
| 485 | return success ? JNI_TRUE : JNI_FALSE; |
| 486 | } |
| 487 | |
| 488 | static void Bitmap_erase(JNIEnv* env, jobject, jlong bitmapHandle, jint color) { |
| 489 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 490 | bitmap->eraseColor(color); |
| 491 | } |
| 492 | |
| 493 | static jint Bitmap_rowBytes(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 494 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 495 | return static_cast<jint>(bitmap->rowBytes()); |
| 496 | } |
| 497 | |
| 498 | static jint Bitmap_config(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 499 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 500 | return GraphicsJNI::colorTypeToLegacyBitmapConfig(bitmap->colorType()); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | static jint Bitmap_getGenerationId(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 504 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 505 | return static_cast<jint>(bitmap->getGenerationID()); |
| 506 | } |
| 507 | |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 508 | static jboolean Bitmap_isPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 509 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 510 | if (bitmap->alphaType() == kPremul_SkAlphaType) { |
| 511 | return JNI_TRUE; |
| 512 | } |
| 513 | return JNI_FALSE; |
| 514 | } |
| 515 | |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 516 | static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 517 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 518 | return !bitmap->isOpaque() ? JNI_TRUE : JNI_FALSE; |
| 519 | } |
| 520 | |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 521 | static void Bitmap_setHasAlpha(JNIEnv* env, jobject, jlong bitmapHandle, |
| 522 | jboolean hasAlpha, jboolean requestPremul) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 523 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 524 | if (hasAlpha) { |
| 525 | bitmap->setAlphaType(requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 526 | } else { |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 527 | bitmap->setAlphaType(kOpaque_SkAlphaType); |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | static void Bitmap_setPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle, |
| 532 | jboolean isPremul) { |
| 533 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 534 | if (!bitmap->isOpaque()) { |
| 535 | if (isPremul) { |
| 536 | bitmap->setAlphaType(kPremul_SkAlphaType); |
| 537 | } else { |
| 538 | bitmap->setAlphaType(kUnpremul_SkAlphaType); |
| 539 | } |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 540 | } |
| 541 | } |
| 542 | |
| 543 | static jboolean Bitmap_hasMipMap(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 544 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 545 | return bitmap->hasHardwareMipMap() ? JNI_TRUE : JNI_FALSE; |
| 546 | } |
| 547 | |
| 548 | static void Bitmap_setHasMipMap(JNIEnv* env, jobject, jlong bitmapHandle, |
| 549 | jboolean hasMipMap) { |
| 550 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 551 | bitmap->setHasHardwareMipMap(hasMipMap); |
| 552 | } |
| 553 | |
| 554 | /////////////////////////////////////////////////////////////////////////////// |
| 555 | |
| 556 | static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) { |
| 557 | if (parcel == NULL) { |
| 558 | SkDebugf("-------- unparcel parcel is NULL\n"); |
| 559 | return NULL; |
| 560 | } |
| 561 | |
| 562 | android::Parcel* p = android::parcelForJavaObject(env, parcel); |
| 563 | |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 564 | const bool isMutable = p->readInt32() != 0; |
| 565 | const SkColorType colorType = (SkColorType)p->readInt32(); |
| 566 | const SkAlphaType alphaType = (SkAlphaType)p->readInt32(); |
| 567 | const int width = p->readInt32(); |
| 568 | const int height = p->readInt32(); |
| 569 | const int rowBytes = p->readInt32(); |
| 570 | const int density = p->readInt32(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 571 | |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 572 | if (kN32_SkColorType != colorType && |
| 573 | kRGB_565_SkColorType != colorType && |
| 574 | kARGB_4444_SkColorType != colorType && |
| 575 | kIndex_8_SkColorType != colorType && |
| 576 | kAlpha_8_SkColorType != colorType) { |
| 577 | SkDebugf("Bitmap_createFromParcel unknown colortype: %d\n", colorType); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 578 | return NULL; |
| 579 | } |
| 580 | |
| 581 | SkBitmap* bitmap = new SkBitmap; |
| 582 | |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 583 | bitmap->setInfo(SkImageInfo::Make(width, height, colorType, alphaType), rowBytes); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 584 | |
| 585 | SkColorTable* ctable = NULL; |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 586 | if (colorType == kIndex_8_SkColorType) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 587 | int count = p->readInt32(); |
| 588 | if (count > 0) { |
| 589 | size_t size = count * sizeof(SkPMColor); |
| 590 | const SkPMColor* src = (const SkPMColor*)p->readInplace(size); |
| 591 | ctable = new SkColorTable(src, count); |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | jbyteArray buffer = GraphicsJNI::allocateJavaPixelRef(env, bitmap, ctable); |
| 596 | if (NULL == buffer) { |
| 597 | SkSafeUnref(ctable); |
| 598 | delete bitmap; |
| 599 | return NULL; |
| 600 | } |
| 601 | |
| 602 | SkSafeUnref(ctable); |
| 603 | |
| 604 | size_t size = bitmap->getSize(); |
| 605 | |
| 606 | android::Parcel::ReadableBlob blob; |
| 607 | android::status_t status = p->readBlob(size, &blob); |
| 608 | if (status) { |
| 609 | doThrowRE(env, "Could not read bitmap from parcel blob."); |
| 610 | delete bitmap; |
| 611 | return NULL; |
| 612 | } |
| 613 | |
| 614 | bitmap->lockPixels(); |
| 615 | memcpy(bitmap->getPixels(), blob.data(), size); |
| 616 | bitmap->unlockPixels(); |
| 617 | |
| 618 | blob.release(); |
| 619 | |
| 620 | return GraphicsJNI::createBitmap(env, bitmap, buffer, getPremulBitmapCreateFlags(isMutable), |
| 621 | NULL, NULL, density); |
| 622 | } |
| 623 | |
| 624 | static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject, |
| 625 | jlong bitmapHandle, |
| 626 | jboolean isMutable, jint density, |
| 627 | jobject parcel) { |
| 628 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 629 | if (parcel == NULL) { |
| 630 | SkDebugf("------- writeToParcel null parcel\n"); |
| 631 | return JNI_FALSE; |
| 632 | } |
| 633 | |
| 634 | android::Parcel* p = android::parcelForJavaObject(env, parcel); |
| 635 | |
| 636 | p->writeInt32(isMutable); |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 637 | p->writeInt32(bitmap->colorType()); |
| 638 | p->writeInt32(bitmap->alphaType()); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 639 | p->writeInt32(bitmap->width()); |
| 640 | p->writeInt32(bitmap->height()); |
| 641 | p->writeInt32(bitmap->rowBytes()); |
| 642 | p->writeInt32(density); |
| 643 | |
Mike Reed | b933055 | 2014-06-16 17:31:48 -0400 | [diff] [blame] | 644 | if (bitmap->colorType() == kIndex_8_SkColorType) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 645 | SkColorTable* ctable = bitmap->getColorTable(); |
| 646 | if (ctable != NULL) { |
| 647 | int count = ctable->count(); |
| 648 | p->writeInt32(count); |
| 649 | memcpy(p->writeInplace(count * sizeof(SkPMColor)), |
| 650 | ctable->lockColors(), count * sizeof(SkPMColor)); |
| 651 | ctable->unlockColors(); |
| 652 | } else { |
| 653 | p->writeInt32(0); // indicate no ctable |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | size_t size = bitmap->getSize(); |
| 658 | |
| 659 | android::Parcel::WritableBlob blob; |
| 660 | android::status_t status = p->writeBlob(size, &blob); |
| 661 | if (status) { |
| 662 | doThrowRE(env, "Could not write bitmap to parcel blob."); |
| 663 | return JNI_FALSE; |
| 664 | } |
| 665 | |
| 666 | bitmap->lockPixels(); |
| 667 | const void* pSrc = bitmap->getPixels(); |
| 668 | if (pSrc == NULL) { |
| 669 | memset(blob.data(), 0, size); |
| 670 | } else { |
| 671 | memcpy(blob.data(), pSrc, size); |
| 672 | } |
| 673 | bitmap->unlockPixels(); |
| 674 | |
| 675 | blob.release(); |
| 676 | return JNI_TRUE; |
| 677 | } |
| 678 | |
| 679 | static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz, |
| 680 | jlong srcHandle, jlong paintHandle, |
| 681 | jintArray offsetXY) { |
| 682 | const SkBitmap* src = reinterpret_cast<SkBitmap*>(srcHandle); |
Behdad Esfahbod | 6ba30b8 | 2014-07-15 16:22:32 -0400 | [diff] [blame] | 683 | const android::Paint* paint = reinterpret_cast<android::Paint*>(paintHandle); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 684 | SkIPoint offset; |
| 685 | SkBitmap* dst = new SkBitmap; |
| 686 | JavaPixelAllocator allocator(env); |
| 687 | |
| 688 | src->extractAlpha(dst, paint, &allocator, &offset); |
| 689 | // If Skia can't allocate pixels for destination bitmap, it resets |
| 690 | // it, that is set its pixels buffer to NULL, and zero width and height. |
| 691 | if (dst->getPixels() == NULL && src->getPixels() != NULL) { |
| 692 | delete dst; |
| 693 | doThrowOOME(env, "failed to allocate pixels for alpha"); |
| 694 | return NULL; |
| 695 | } |
| 696 | if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) { |
| 697 | int* array = env->GetIntArrayElements(offsetXY, NULL); |
| 698 | array[0] = offset.fX; |
| 699 | array[1] = offset.fY; |
| 700 | env->ReleaseIntArrayElements(offsetXY, array, 0); |
| 701 | } |
| 702 | |
| 703 | return GraphicsJNI::createBitmap(env, dst, allocator.getStorageObj(), |
| 704 | getPremulBitmapCreateFlags(true), NULL, NULL); |
| 705 | } |
| 706 | |
| 707 | /////////////////////////////////////////////////////////////////////////////// |
| 708 | |
| 709 | static jint Bitmap_getPixel(JNIEnv* env, jobject, jlong bitmapHandle, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 710 | jint x, jint y) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 711 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 712 | SkAutoLockPixels alp(*bitmap); |
| 713 | |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 714 | ToColorProc proc = ChooseToColorProc(*bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 715 | if (NULL == proc) { |
| 716 | return 0; |
| 717 | } |
| 718 | const void* src = bitmap->getAddr(x, y); |
| 719 | if (NULL == src) { |
| 720 | return 0; |
| 721 | } |
| 722 | |
| 723 | SkColor dst[1]; |
| 724 | proc(dst, src, 1, bitmap->getColorTable()); |
| 725 | return static_cast<jint>(dst[0]); |
| 726 | } |
| 727 | |
| 728 | static void Bitmap_getPixels(JNIEnv* env, jobject, jlong bitmapHandle, |
| 729 | jintArray pixelArray, jint offset, jint stride, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 730 | jint x, jint y, jint width, jint height) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 731 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 732 | SkAutoLockPixels alp(*bitmap); |
| 733 | |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 734 | ToColorProc proc = ChooseToColorProc(*bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 735 | if (NULL == proc) { |
| 736 | return; |
| 737 | } |
| 738 | const void* src = bitmap->getAddr(x, y); |
| 739 | if (NULL == src) { |
| 740 | return; |
| 741 | } |
| 742 | |
| 743 | SkColorTable* ctable = bitmap->getColorTable(); |
| 744 | jint* dst = env->GetIntArrayElements(pixelArray, NULL); |
| 745 | SkColor* d = (SkColor*)dst + offset; |
| 746 | while (--height >= 0) { |
| 747 | proc(d, src, width, ctable); |
| 748 | d += stride; |
| 749 | src = (void*)((const char*)src + bitmap->rowBytes()); |
| 750 | } |
| 751 | env->ReleaseIntArrayElements(pixelArray, dst, 0); |
| 752 | } |
| 753 | |
| 754 | /////////////////////////////////////////////////////////////////////////////// |
| 755 | |
| 756 | static void Bitmap_setPixel(JNIEnv* env, jobject, jlong bitmapHandle, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 757 | jint x, jint y, jint colorHandle) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 758 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 759 | SkColor color = static_cast<SkColor>(colorHandle); |
| 760 | SkAutoLockPixels alp(*bitmap); |
| 761 | if (NULL == bitmap->getPixels()) { |
| 762 | return; |
| 763 | } |
| 764 | |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 765 | FromColorProc proc = ChooseFromColorProc(*bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 766 | if (NULL == proc) { |
| 767 | return; |
| 768 | } |
| 769 | |
| 770 | proc(bitmap->getAddr(x, y), &color, 1, x, y); |
| 771 | bitmap->notifyPixelsChanged(); |
| 772 | } |
| 773 | |
| 774 | static void Bitmap_setPixels(JNIEnv* env, jobject, jlong bitmapHandle, |
| 775 | jintArray pixelArray, jint offset, jint stride, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 776 | jint x, jint y, jint width, jint height) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 777 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 778 | GraphicsJNI::SetPixels(env, pixelArray, offset, stride, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 779 | x, y, width, height, *bitmap); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 780 | } |
| 781 | |
| 782 | static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject, |
| 783 | jlong bitmapHandle, jobject jbuffer) { |
| 784 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 785 | SkAutoLockPixels alp(*bitmap); |
| 786 | const void* src = bitmap->getPixels(); |
| 787 | |
| 788 | if (NULL != src) { |
| 789 | android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE); |
| 790 | |
| 791 | // the java side has already checked that buffer is large enough |
| 792 | memcpy(abp.pointer(), src, bitmap->getSize()); |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject, |
| 797 | jlong bitmapHandle, jobject jbuffer) { |
| 798 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 799 | SkAutoLockPixels alp(*bitmap); |
| 800 | void* dst = bitmap->getPixels(); |
| 801 | |
| 802 | if (NULL != dst) { |
| 803 | android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE); |
| 804 | // the java side has already checked that buffer is large enough |
| 805 | memcpy(dst, abp.pointer(), bitmap->getSize()); |
| 806 | bitmap->notifyPixelsChanged(); |
| 807 | } |
| 808 | } |
| 809 | |
| 810 | static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle, |
| 811 | jlong bm1Handle) { |
| 812 | const SkBitmap* bm0 = reinterpret_cast<SkBitmap*>(bm0Handle); |
| 813 | const SkBitmap* bm1 = reinterpret_cast<SkBitmap*>(bm1Handle); |
| 814 | if (bm0->width() != bm1->width() || |
| 815 | bm0->height() != bm1->height() || |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 816 | bm0->colorType() != bm1->colorType()) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 817 | return JNI_FALSE; |
| 818 | } |
| 819 | |
| 820 | SkAutoLockPixels alp0(*bm0); |
| 821 | SkAutoLockPixels alp1(*bm1); |
| 822 | |
| 823 | // if we can't load the pixels, return false |
| 824 | if (NULL == bm0->getPixels() || NULL == bm1->getPixels()) { |
| 825 | return JNI_FALSE; |
| 826 | } |
| 827 | |
Mike Reed | 1103b32 | 2014-07-08 12:36:44 -0400 | [diff] [blame] | 828 | if (bm0->colorType() == kIndex_8_SkColorType) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 829 | SkColorTable* ct0 = bm0->getColorTable(); |
| 830 | SkColorTable* ct1 = bm1->getColorTable(); |
| 831 | if (NULL == ct0 || NULL == ct1) { |
| 832 | return JNI_FALSE; |
| 833 | } |
| 834 | if (ct0->count() != ct1->count()) { |
| 835 | return JNI_FALSE; |
| 836 | } |
| 837 | |
| 838 | SkAutoLockColors alc0(ct0); |
| 839 | SkAutoLockColors alc1(ct1); |
| 840 | const size_t size = ct0->count() * sizeof(SkPMColor); |
| 841 | if (memcmp(alc0.colors(), alc1.colors(), size) != 0) { |
| 842 | return JNI_FALSE; |
| 843 | } |
| 844 | } |
| 845 | |
| 846 | // now compare each scanline. We can't do the entire buffer at once, |
| 847 | // since we don't care about the pixel values that might extend beyond |
| 848 | // the width (since the scanline might be larger than the logical width) |
| 849 | const int h = bm0->height(); |
| 850 | const size_t size = bm0->width() * bm0->bytesPerPixel(); |
| 851 | for (int y = 0; y < h; y++) { |
henry.uh_chen | 53001ca | 2014-07-03 20:40:22 +0800 | [diff] [blame] | 852 | // SkBitmap::getAddr(int, int) may return NULL due to unrecognized config |
| 853 | // (ex: kRLE_Index8_Config). This will cause memcmp method to crash. Since bm0 |
| 854 | // and bm1 both have pixel data() (have passed NULL == getPixels() check), |
| 855 | // those 2 bitmaps should be valid (only unrecognized), we return JNI_FALSE |
| 856 | // to warn user those 2 unrecognized config bitmaps may be different. |
| 857 | void *bm0Addr = bm0->getAddr(0, y); |
| 858 | void *bm1Addr = bm1->getAddr(0, y); |
| 859 | |
| 860 | if(bm0Addr == NULL || bm1Addr == NULL) { |
| 861 | return JNI_FALSE; |
| 862 | } |
| 863 | |
| 864 | if (memcmp(bm0Addr, bm1Addr, size) != 0) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 865 | return JNI_FALSE; |
| 866 | } |
| 867 | } |
| 868 | return JNI_TRUE; |
| 869 | } |
| 870 | |
| 871 | static void Bitmap_prepareToDraw(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 872 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 873 | bitmap->lockPixels(); |
| 874 | bitmap->unlockPixels(); |
| 875 | } |
| 876 | |
| 877 | /////////////////////////////////////////////////////////////////////////////// |
| 878 | |
| 879 | #include <android_runtime/AndroidRuntime.h> |
| 880 | |
| 881 | static JNINativeMethod gBitmapMethods[] = { |
| 882 | { "nativeCreate", "([IIIIIIZ)Landroid/graphics/Bitmap;", |
| 883 | (void*)Bitmap_creator }, |
| 884 | { "nativeCopy", "(JIZ)Landroid/graphics/Bitmap;", |
| 885 | (void*)Bitmap_copy }, |
| 886 | { "nativeDestructor", "(J)V", (void*)Bitmap_destructor }, |
| 887 | { "nativeRecycle", "(J)Z", (void*)Bitmap_recycle }, |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame] | 888 | { "nativeReconfigure", "(JIIIIZ)V", (void*)Bitmap_reconfigure }, |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 889 | { "nativeCompress", "(JIILjava/io/OutputStream;[B)Z", |
| 890 | (void*)Bitmap_compress }, |
| 891 | { "nativeErase", "(JI)V", (void*)Bitmap_erase }, |
| 892 | { "nativeRowBytes", "(J)I", (void*)Bitmap_rowBytes }, |
| 893 | { "nativeConfig", "(J)I", (void*)Bitmap_config }, |
| 894 | { "nativeHasAlpha", "(J)Z", (void*)Bitmap_hasAlpha }, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 895 | { "nativeIsPremultiplied", "(J)Z", (void*)Bitmap_isPremultiplied}, |
| 896 | { "nativeSetHasAlpha", "(JZZ)V", (void*)Bitmap_setHasAlpha}, |
| 897 | { "nativeSetPremultiplied", "(JZ)V", (void*)Bitmap_setPremultiplied}, |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 898 | { "nativeHasMipMap", "(J)Z", (void*)Bitmap_hasMipMap }, |
| 899 | { "nativeSetHasMipMap", "(JZ)V", (void*)Bitmap_setHasMipMap }, |
| 900 | { "nativeCreateFromParcel", |
| 901 | "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;", |
| 902 | (void*)Bitmap_createFromParcel }, |
| 903 | { "nativeWriteToParcel", "(JZILandroid/os/Parcel;)Z", |
| 904 | (void*)Bitmap_writeToParcel }, |
| 905 | { "nativeExtractAlpha", "(JJ[I)Landroid/graphics/Bitmap;", |
| 906 | (void*)Bitmap_extractAlpha }, |
| 907 | { "nativeGenerationId", "(J)I", (void*)Bitmap_getGenerationId }, |
Leon Scroggins III | 57ee620 | 2014-06-04 18:51:07 -0400 | [diff] [blame] | 908 | { "nativeGetPixel", "(JII)I", (void*)Bitmap_getPixel }, |
| 909 | { "nativeGetPixels", "(J[IIIIIII)V", (void*)Bitmap_getPixels }, |
| 910 | { "nativeSetPixel", "(JIII)V", (void*)Bitmap_setPixel }, |
| 911 | { "nativeSetPixels", "(J[IIIIIII)V", (void*)Bitmap_setPixels }, |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 912 | { "nativeCopyPixelsToBuffer", "(JLjava/nio/Buffer;)V", |
| 913 | (void*)Bitmap_copyPixelsToBuffer }, |
| 914 | { "nativeCopyPixelsFromBuffer", "(JLjava/nio/Buffer;)V", |
| 915 | (void*)Bitmap_copyPixelsFromBuffer }, |
| 916 | { "nativeSameAs", "(JJ)Z", (void*)Bitmap_sameAs }, |
| 917 | { "nativePrepareToDraw", "(J)V", (void*)Bitmap_prepareToDraw }, |
| 918 | }; |
| 919 | |
| 920 | #define kClassPathName "android/graphics/Bitmap" |
| 921 | |
| 922 | int register_android_graphics_Bitmap(JNIEnv* env) |
| 923 | { |
| 924 | return android::AndroidRuntime::registerNativeMethods(env, kClassPathName, |
| 925 | gBitmapMethods, SK_ARRAY_COUNT(gBitmapMethods)); |
| 926 | } |