Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 1 | #include "SkBitmap.h" |
| 2 | #include "SkPixelRef.h" |
| 3 | #include "SkImageEncoder.h" |
| 4 | #include "SkColorPriv.h" |
| 5 | #include "GraphicsJNI.h" |
| 6 | #include "SkDither.h" |
| 7 | #include "SkUnPreMultiply.h" |
| 8 | #include "SkStream.h" |
| 9 | |
| 10 | #include <binder/Parcel.h> |
| 11 | #include "android_os_Parcel.h" |
| 12 | #include "android_util_Binder.h" |
| 13 | #include "android_nio_utils.h" |
| 14 | #include "CreateJavaOutputStreamAdaptor.h" |
| 15 | |
| 16 | #include <jni.h> |
| 17 | |
| 18 | #include <Caches.h> |
| 19 | |
| 20 | #if 0 |
| 21 | #define TRACE_BITMAP(code) code |
| 22 | #else |
| 23 | #define TRACE_BITMAP(code) |
| 24 | #endif |
| 25 | |
| 26 | /////////////////////////////////////////////////////////////////////////////// |
| 27 | // Conversions to/from SkColor, for get/setPixels, and the create method, which |
| 28 | // is basically like setPixels |
| 29 | |
| 30 | typedef void (*FromColorProc)(void* dst, const SkColor src[], int width, |
| 31 | int x, int y); |
| 32 | |
| 33 | static void FromColor_D32(void* dst, const SkColor src[], int width, |
| 34 | int, int) { |
| 35 | SkPMColor* d = (SkPMColor*)dst; |
| 36 | |
| 37 | for (int i = 0; i < width; i++) { |
| 38 | *d++ = SkPreMultiplyColor(*src++); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | static void FromColor_D32_Raw(void* dst, const SkColor src[], int width, |
| 43 | int, int) { |
| 44 | // SkColor's ordering may be different from SkPMColor |
| 45 | if (SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER) { |
| 46 | memcpy(dst, src, width * sizeof(SkColor)); |
| 47 | return; |
| 48 | } |
| 49 | |
| 50 | // order isn't same, repack each pixel manually |
| 51 | SkPMColor* d = (SkPMColor*)dst; |
| 52 | for (int i = 0; i < width; i++) { |
| 53 | SkColor c = *src++; |
| 54 | *d++ = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), |
| 55 | SkColorGetG(c), SkColorGetB(c)); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | static void FromColor_D565(void* dst, const SkColor src[], int width, |
| 60 | int x, int y) { |
| 61 | uint16_t* d = (uint16_t*)dst; |
| 62 | |
| 63 | DITHER_565_SCAN(y); |
| 64 | for (int stop = x + width; x < stop; x++) { |
| 65 | SkColor c = *src++; |
| 66 | *d++ = SkDitherRGBTo565(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c), |
| 67 | DITHER_VALUE(x)); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | static void FromColor_D4444(void* dst, const SkColor src[], int width, |
| 72 | int x, int y) { |
| 73 | SkPMColor16* d = (SkPMColor16*)dst; |
| 74 | |
| 75 | DITHER_4444_SCAN(y); |
| 76 | for (int stop = x + width; x < stop; x++) { |
| 77 | SkPMColor pmc = SkPreMultiplyColor(*src++); |
| 78 | *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); |
| 79 | // *d++ = SkPixel32ToPixel4444(pmc); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | static void FromColor_D4444_Raw(void* dst, const SkColor src[], int width, |
| 84 | int x, int y) { |
| 85 | SkPMColor16* d = (SkPMColor16*)dst; |
| 86 | |
| 87 | DITHER_4444_SCAN(y); |
| 88 | for (int stop = x + width; x < stop; x++) { |
| 89 | SkColor c = *src++; |
| 90 | |
| 91 | // SkPMColor is used because the ordering is ARGB32, even though the target actually premultiplied |
| 92 | SkPMColor pmc = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), |
| 93 | SkColorGetG(c), SkColorGetB(c)); |
| 94 | *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); |
| 95 | // *d++ = SkPixel32ToPixel4444(pmc); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | // can return NULL |
| 100 | static FromColorProc ChooseFromColorProc(SkBitmap::Config config, bool isPremultiplied) { |
| 101 | switch (config) { |
| 102 | case SkBitmap::kARGB_8888_Config: |
| 103 | return isPremultiplied ? FromColor_D32 : FromColor_D32_Raw; |
| 104 | case SkBitmap::kARGB_4444_Config: |
| 105 | return isPremultiplied ? FromColor_D4444 : FromColor_D4444_Raw; |
| 106 | case SkBitmap::kRGB_565_Config: |
| 107 | return FromColor_D565; |
| 108 | default: |
| 109 | break; |
| 110 | } |
| 111 | return NULL; |
| 112 | } |
| 113 | |
| 114 | bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors, int srcOffset, int srcStride, |
| 115 | int x, int y, int width, int height, |
| 116 | const SkBitmap& dstBitmap, bool isPremultiplied) { |
| 117 | SkAutoLockPixels alp(dstBitmap); |
| 118 | void* dst = dstBitmap.getPixels(); |
| 119 | FromColorProc proc = ChooseFromColorProc(dstBitmap.config(), isPremultiplied); |
| 120 | |
| 121 | if (NULL == dst || NULL == proc) { |
| 122 | return false; |
| 123 | } |
| 124 | |
| 125 | const jint* array = env->GetIntArrayElements(srcColors, NULL); |
| 126 | const SkColor* src = (const SkColor*)array + srcOffset; |
| 127 | |
| 128 | // reset to to actual choice from caller |
| 129 | dst = dstBitmap.getAddr(x, y); |
| 130 | // now copy/convert each scanline |
| 131 | for (int y = 0; y < height; y++) { |
| 132 | proc(dst, src, width, x, y); |
| 133 | src += srcStride; |
| 134 | dst = (char*)dst + dstBitmap.rowBytes(); |
| 135 | } |
| 136 | |
| 137 | dstBitmap.notifyPixelsChanged(); |
| 138 | |
| 139 | env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array), |
| 140 | JNI_ABORT); |
| 141 | return true; |
| 142 | } |
| 143 | |
| 144 | //////////////////// ToColor procs |
| 145 | |
| 146 | typedef void (*ToColorProc)(SkColor dst[], const void* src, int width, |
| 147 | SkColorTable*); |
| 148 | |
| 149 | static void ToColor_S32_Alpha(SkColor dst[], const void* src, int width, |
| 150 | SkColorTable*) { |
| 151 | SkASSERT(width > 0); |
| 152 | const SkPMColor* s = (const SkPMColor*)src; |
| 153 | do { |
| 154 | *dst++ = SkUnPreMultiply::PMColorToColor(*s++); |
| 155 | } while (--width != 0); |
| 156 | } |
| 157 | |
| 158 | static void ToColor_S32_Raw(SkColor dst[], const void* src, int width, |
| 159 | SkColorTable*) { |
| 160 | SkASSERT(width > 0); |
| 161 | const SkPMColor* s = (const SkPMColor*)src; |
| 162 | do { |
| 163 | SkPMColor c = *s++; |
| 164 | *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| 165 | SkGetPackedG32(c), SkGetPackedB32(c)); |
| 166 | } while (--width != 0); |
| 167 | } |
| 168 | |
| 169 | static void ToColor_S32_Opaque(SkColor dst[], const void* src, int width, |
| 170 | SkColorTable*) { |
| 171 | SkASSERT(width > 0); |
| 172 | const SkPMColor* s = (const SkPMColor*)src; |
| 173 | do { |
| 174 | SkPMColor c = *s++; |
| 175 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| 176 | SkGetPackedB32(c)); |
| 177 | } while (--width != 0); |
| 178 | } |
| 179 | |
| 180 | static void ToColor_S4444_Alpha(SkColor dst[], const void* src, int width, |
| 181 | SkColorTable*) { |
| 182 | SkASSERT(width > 0); |
| 183 | const SkPMColor16* s = (const SkPMColor16*)src; |
| 184 | do { |
| 185 | *dst++ = SkUnPreMultiply::PMColorToColor(SkPixel4444ToPixel32(*s++)); |
| 186 | } while (--width != 0); |
| 187 | } |
| 188 | |
| 189 | static void ToColor_S4444_Raw(SkColor dst[], const void* src, int width, |
| 190 | SkColorTable*) { |
| 191 | SkASSERT(width > 0); |
| 192 | const SkPMColor16* s = (const SkPMColor16*)src; |
| 193 | do { |
| 194 | SkPMColor c = SkPixel4444ToPixel32(*s++); |
| 195 | *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| 196 | SkGetPackedG32(c), SkGetPackedB32(c)); |
| 197 | } while (--width != 0); |
| 198 | } |
| 199 | |
| 200 | static void ToColor_S4444_Opaque(SkColor dst[], const void* src, int width, |
| 201 | SkColorTable*) { |
| 202 | SkASSERT(width > 0); |
| 203 | const SkPMColor16* s = (const SkPMColor16*)src; |
| 204 | do { |
| 205 | SkPMColor c = SkPixel4444ToPixel32(*s++); |
| 206 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| 207 | SkGetPackedB32(c)); |
| 208 | } while (--width != 0); |
| 209 | } |
| 210 | |
| 211 | static void ToColor_S565(SkColor dst[], const void* src, int width, |
| 212 | SkColorTable*) { |
| 213 | SkASSERT(width > 0); |
| 214 | const uint16_t* s = (const uint16_t*)src; |
| 215 | do { |
| 216 | uint16_t c = *s++; |
| 217 | *dst++ = SkColorSetRGB(SkPacked16ToR32(c), SkPacked16ToG32(c), |
| 218 | SkPacked16ToB32(c)); |
| 219 | } while (--width != 0); |
| 220 | } |
| 221 | |
| 222 | static void ToColor_SI8_Alpha(SkColor dst[], const void* src, int width, |
| 223 | SkColorTable* ctable) { |
| 224 | SkASSERT(width > 0); |
| 225 | const uint8_t* s = (const uint8_t*)src; |
| 226 | const SkPMColor* colors = ctable->lockColors(); |
| 227 | do { |
| 228 | *dst++ = SkUnPreMultiply::PMColorToColor(colors[*s++]); |
| 229 | } while (--width != 0); |
| 230 | ctable->unlockColors(); |
| 231 | } |
| 232 | |
| 233 | static void ToColor_SI8_Raw(SkColor dst[], const void* src, int width, |
| 234 | SkColorTable* ctable) { |
| 235 | SkASSERT(width > 0); |
| 236 | const uint8_t* s = (const uint8_t*)src; |
| 237 | const SkPMColor* colors = ctable->lockColors(); |
| 238 | do { |
| 239 | SkPMColor c = colors[*s++]; |
| 240 | *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| 241 | SkGetPackedG32(c), SkGetPackedB32(c)); |
| 242 | } while (--width != 0); |
| 243 | ctable->unlockColors(); |
| 244 | } |
| 245 | |
| 246 | static void ToColor_SI8_Opaque(SkColor dst[], const void* src, int width, |
| 247 | SkColorTable* ctable) { |
| 248 | SkASSERT(width > 0); |
| 249 | const uint8_t* s = (const uint8_t*)src; |
| 250 | const SkPMColor* colors = ctable->lockColors(); |
| 251 | do { |
| 252 | SkPMColor c = colors[*s++]; |
| 253 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| 254 | SkGetPackedB32(c)); |
| 255 | } while (--width != 0); |
| 256 | ctable->unlockColors(); |
| 257 | } |
| 258 | |
| 259 | // can return NULL |
| 260 | static ToColorProc ChooseToColorProc(const SkBitmap& src, bool isPremultiplied) { |
| 261 | switch (src.config()) { |
| 262 | case SkBitmap::kARGB_8888_Config: |
| 263 | if (src.isOpaque()) return ToColor_S32_Opaque; |
| 264 | return isPremultiplied ? ToColor_S32_Alpha : ToColor_S32_Raw; |
| 265 | case SkBitmap::kARGB_4444_Config: |
| 266 | if (src.isOpaque()) return ToColor_S4444_Opaque; |
| 267 | return isPremultiplied ? ToColor_S4444_Alpha : ToColor_S4444_Raw; |
| 268 | case SkBitmap::kRGB_565_Config: |
| 269 | return ToColor_S565; |
| 270 | case SkBitmap::kIndex8_Config: |
| 271 | if (src.getColorTable() == NULL) { |
| 272 | return NULL; |
| 273 | } |
| 274 | if (src.isOpaque()) return ToColor_SI8_Opaque; |
| 275 | return isPremultiplied ? ToColor_SI8_Raw : ToColor_SI8_Alpha; |
| 276 | default: |
| 277 | break; |
| 278 | } |
| 279 | return NULL; |
| 280 | } |
| 281 | |
| 282 | /////////////////////////////////////////////////////////////////////////////// |
| 283 | /////////////////////////////////////////////////////////////////////////////// |
| 284 | |
| 285 | static int getPremulBitmapCreateFlags(bool isMutable) { |
| 286 | int flags = GraphicsJNI::kBitmapCreateFlag_Premultiplied; |
| 287 | if (isMutable) flags |= GraphicsJNI::kBitmapCreateFlag_Mutable; |
| 288 | return flags; |
| 289 | } |
| 290 | |
| 291 | static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors, |
| 292 | jint offset, jint stride, jint width, jint height, |
| 293 | jint configHandle, jboolean isMutable) { |
| 294 | SkBitmap::Config config = static_cast<SkBitmap::Config>(configHandle); |
| 295 | if (NULL != jColors) { |
| 296 | size_t n = env->GetArrayLength(jColors); |
| 297 | if (n < SkAbs32(stride) * (size_t)height) { |
| 298 | doThrowAIOOBE(env); |
| 299 | return NULL; |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | // ARGB_4444 is a deprecated format, convert automatically to 8888 |
| 304 | if (config == SkBitmap::kARGB_4444_Config) { |
| 305 | config = SkBitmap::kARGB_8888_Config; |
| 306 | } |
| 307 | |
| 308 | SkBitmap bitmap; |
| 309 | bitmap.setConfig(config, width, height); |
| 310 | |
| 311 | jbyteArray buff = GraphicsJNI::allocateJavaPixelRef(env, &bitmap, NULL); |
| 312 | if (NULL == buff) { |
| 313 | return NULL; |
| 314 | } |
| 315 | |
| 316 | if (jColors != NULL) { |
| 317 | GraphicsJNI::SetPixels(env, jColors, offset, stride, |
| 318 | 0, 0, width, height, bitmap, true); |
| 319 | } |
| 320 | |
| 321 | return GraphicsJNI::createBitmap(env, new SkBitmap(bitmap), buff, |
| 322 | getPremulBitmapCreateFlags(isMutable), NULL, NULL); |
| 323 | } |
| 324 | |
| 325 | static jobject Bitmap_copy(JNIEnv* env, jobject, jlong srcHandle, |
| 326 | jint dstConfigHandle, jboolean isMutable) { |
| 327 | const SkBitmap* src = reinterpret_cast<SkBitmap*>(srcHandle); |
| 328 | SkBitmap::Config dstConfig = static_cast<SkBitmap::Config>(dstConfigHandle); |
| 329 | SkBitmap result; |
| 330 | JavaPixelAllocator allocator(env); |
| 331 | |
Leon Scroggins | cc11f15 | 2014-03-31 16:52:13 -0400 | [diff] [blame] | 332 | if (!src->copyTo(&result, SkBitmapConfigToColorType(dstConfig), &allocator)) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 333 | return NULL; |
| 334 | } |
| 335 | return GraphicsJNI::createBitmap(env, new SkBitmap(result), allocator.getStorageObj(), |
| 336 | getPremulBitmapCreateFlags(isMutable), NULL, NULL); |
| 337 | } |
| 338 | |
| 339 | static void Bitmap_destructor(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 340 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 341 | #ifdef USE_OPENGL_RENDERER |
| 342 | if (android::uirenderer::Caches::hasInstance()) { |
| 343 | android::uirenderer::Caches::getInstance().resourceCache.destructor(bitmap); |
| 344 | return; |
| 345 | } |
| 346 | #endif // USE_OPENGL_RENDERER |
| 347 | delete bitmap; |
| 348 | } |
| 349 | |
| 350 | static jboolean Bitmap_recycle(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 351 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 352 | #ifdef USE_OPENGL_RENDERER |
| 353 | if (android::uirenderer::Caches::hasInstance()) { |
| 354 | bool result; |
| 355 | result = android::uirenderer::Caches::getInstance().resourceCache.recycle(bitmap); |
| 356 | return result ? JNI_TRUE : JNI_FALSE; |
| 357 | } |
| 358 | #endif // USE_OPENGL_RENDERER |
| 359 | bitmap->setPixels(NULL, NULL); |
| 360 | return JNI_TRUE; |
| 361 | } |
| 362 | |
| 363 | static void Bitmap_reconfigure(JNIEnv* env, jobject clazz, jlong bitmapHandle, |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame^] | 364 | jint width, jint height, jint configHandle, jint allocSize, |
| 365 | jboolean requestPremul) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 366 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 367 | SkBitmap::Config config = static_cast<SkBitmap::Config>(configHandle); |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame^] | 368 | SkColorType colorType = SkBitmapConfigToColorType(config); |
| 369 | |
| 370 | // ARGB_4444 is a deprecated format, convert automatically to 8888 |
| 371 | if (colorType == kARGB_4444_SkColorType) { |
| 372 | colorType = kN32_SkColorType; |
| 373 | } |
| 374 | |
| 375 | if (width * height * SkColorTypeBytesPerPixel(colorType) > allocSize) { |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 376 | // done in native as there's no way to get BytesPerPixel in Java |
| 377 | doThrowIAE(env, "Bitmap not large enough to support new configuration"); |
| 378 | return; |
| 379 | } |
| 380 | SkPixelRef* ref = bitmap->pixelRef(); |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame^] | 381 | ref->ref(); |
| 382 | SkAlphaType alphaType; |
| 383 | if (bitmap->colorType() != kRGB_565_SkColorType |
| 384 | && bitmap->alphaType() == kOpaque_SkAlphaType) { |
| 385 | // If the original bitmap was set to opaque, keep that setting, unless it |
| 386 | // was 565, which is required to be opaque. |
| 387 | alphaType = kOpaque_SkAlphaType; |
| 388 | } else { |
| 389 | // Otherwise respect the premultiplied request. |
| 390 | alphaType = requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType; |
| 391 | } |
| 392 | bitmap->setInfo(SkImageInfo::Make(width, height, colorType, alphaType)); |
| 393 | // FIXME: Skia thinks of an SkPixelRef as having a constant SkImageInfo (except for |
| 394 | // its alphatype), so it would make more sense from Skia's perspective to create a |
| 395 | // new SkPixelRef. That said, libhwui uses the pointer to the SkPixelRef as a key |
| 396 | // for its cache, so it won't realize this is the same Java Bitmap. |
| 397 | SkImageInfo& info = const_cast<SkImageInfo&>(ref->info()); |
| 398 | // Use the updated from the SkBitmap, which may have corrected an invalid alphatype. |
| 399 | // (e.g. 565 non-opaque) |
| 400 | info = bitmap->info(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 401 | bitmap->setPixelRef(ref); |
| 402 | |
| 403 | // notifyPixelsChanged will increment the generation ID even though the actual pixel data |
| 404 | // 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^] | 405 | // colortype and alphatype) has changed. |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 406 | ref->notifyPixelsChanged(); |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame^] | 407 | ref->unref(); |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | // These must match the int values in Bitmap.java |
| 411 | enum JavaEncodeFormat { |
| 412 | kJPEG_JavaEncodeFormat = 0, |
| 413 | kPNG_JavaEncodeFormat = 1, |
| 414 | kWEBP_JavaEncodeFormat = 2 |
| 415 | }; |
| 416 | |
| 417 | static jboolean Bitmap_compress(JNIEnv* env, jobject clazz, jlong bitmapHandle, |
| 418 | jint format, jint quality, |
| 419 | jobject jstream, jbyteArray jstorage) { |
| 420 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 421 | SkImageEncoder::Type fm; |
| 422 | |
| 423 | switch (format) { |
| 424 | case kJPEG_JavaEncodeFormat: |
| 425 | fm = SkImageEncoder::kJPEG_Type; |
| 426 | break; |
| 427 | case kPNG_JavaEncodeFormat: |
| 428 | fm = SkImageEncoder::kPNG_Type; |
| 429 | break; |
| 430 | case kWEBP_JavaEncodeFormat: |
| 431 | fm = SkImageEncoder::kWEBP_Type; |
| 432 | break; |
| 433 | default: |
| 434 | return JNI_FALSE; |
| 435 | } |
| 436 | |
| 437 | bool success = false; |
| 438 | if (NULL != bitmap) { |
| 439 | SkAutoLockPixels alp(*bitmap); |
| 440 | |
| 441 | if (NULL == bitmap->getPixels()) { |
| 442 | return JNI_FALSE; |
| 443 | } |
| 444 | |
| 445 | SkWStream* strm = CreateJavaOutputStreamAdaptor(env, jstream, jstorage); |
| 446 | if (NULL == strm) { |
| 447 | return JNI_FALSE; |
| 448 | } |
| 449 | |
| 450 | SkImageEncoder* encoder = SkImageEncoder::Create(fm); |
| 451 | if (NULL != encoder) { |
| 452 | success = encoder->encodeStream(strm, *bitmap, quality); |
| 453 | delete encoder; |
| 454 | } |
| 455 | delete strm; |
| 456 | } |
| 457 | return success ? JNI_TRUE : JNI_FALSE; |
| 458 | } |
| 459 | |
| 460 | static void Bitmap_erase(JNIEnv* env, jobject, jlong bitmapHandle, jint color) { |
| 461 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 462 | bitmap->eraseColor(color); |
| 463 | } |
| 464 | |
| 465 | static jint Bitmap_rowBytes(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 466 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 467 | return static_cast<jint>(bitmap->rowBytes()); |
| 468 | } |
| 469 | |
| 470 | static jint Bitmap_config(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 471 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 472 | return static_cast<jint>(bitmap->config()); |
| 473 | } |
| 474 | |
| 475 | static jint Bitmap_getGenerationId(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 476 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 477 | return static_cast<jint>(bitmap->getGenerationID()); |
| 478 | } |
| 479 | |
| 480 | static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 481 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 482 | return !bitmap->isOpaque() ? JNI_TRUE : JNI_FALSE; |
| 483 | } |
| 484 | |
| 485 | static void Bitmap_setAlphaAndPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle, |
| 486 | jboolean hasAlpha, jboolean isPremul) { |
| 487 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 488 | if (!hasAlpha) { |
| 489 | bitmap->setAlphaType(kOpaque_SkAlphaType); |
| 490 | } else if (isPremul) { |
| 491 | bitmap->setAlphaType(kPremul_SkAlphaType); |
| 492 | } else { |
| 493 | bitmap->setAlphaType(kUnpremul_SkAlphaType); |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | static jboolean Bitmap_hasMipMap(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 498 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 499 | return bitmap->hasHardwareMipMap() ? JNI_TRUE : JNI_FALSE; |
| 500 | } |
| 501 | |
| 502 | static void Bitmap_setHasMipMap(JNIEnv* env, jobject, jlong bitmapHandle, |
| 503 | jboolean hasMipMap) { |
| 504 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 505 | bitmap->setHasHardwareMipMap(hasMipMap); |
| 506 | } |
| 507 | |
| 508 | /////////////////////////////////////////////////////////////////////////////// |
| 509 | |
| 510 | static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) { |
| 511 | if (parcel == NULL) { |
| 512 | SkDebugf("-------- unparcel parcel is NULL\n"); |
| 513 | return NULL; |
| 514 | } |
| 515 | |
| 516 | android::Parcel* p = android::parcelForJavaObject(env, parcel); |
| 517 | |
| 518 | const bool isMutable = p->readInt32() != 0; |
| 519 | const SkBitmap::Config config = (SkBitmap::Config)p->readInt32(); |
| 520 | const int width = p->readInt32(); |
| 521 | const int height = p->readInt32(); |
| 522 | const int rowBytes = p->readInt32(); |
| 523 | const int density = p->readInt32(); |
| 524 | |
| 525 | if (SkBitmap::kARGB_8888_Config != config && |
| 526 | SkBitmap::kRGB_565_Config != config && |
| 527 | SkBitmap::kARGB_4444_Config != config && |
| 528 | SkBitmap::kIndex8_Config != config && |
| 529 | SkBitmap::kA8_Config != config) { |
| 530 | SkDebugf("Bitmap_createFromParcel unknown config: %d\n", config); |
| 531 | return NULL; |
| 532 | } |
| 533 | |
| 534 | SkBitmap* bitmap = new SkBitmap; |
| 535 | |
| 536 | bitmap->setConfig(config, width, height, rowBytes); |
| 537 | |
| 538 | SkColorTable* ctable = NULL; |
| 539 | if (config == SkBitmap::kIndex8_Config) { |
| 540 | int count = p->readInt32(); |
| 541 | if (count > 0) { |
| 542 | size_t size = count * sizeof(SkPMColor); |
| 543 | const SkPMColor* src = (const SkPMColor*)p->readInplace(size); |
| 544 | ctable = new SkColorTable(src, count); |
| 545 | } |
| 546 | } |
| 547 | |
| 548 | jbyteArray buffer = GraphicsJNI::allocateJavaPixelRef(env, bitmap, ctable); |
| 549 | if (NULL == buffer) { |
| 550 | SkSafeUnref(ctable); |
| 551 | delete bitmap; |
| 552 | return NULL; |
| 553 | } |
| 554 | |
| 555 | SkSafeUnref(ctable); |
| 556 | |
| 557 | size_t size = bitmap->getSize(); |
| 558 | |
| 559 | android::Parcel::ReadableBlob blob; |
| 560 | android::status_t status = p->readBlob(size, &blob); |
| 561 | if (status) { |
| 562 | doThrowRE(env, "Could not read bitmap from parcel blob."); |
| 563 | delete bitmap; |
| 564 | return NULL; |
| 565 | } |
| 566 | |
| 567 | bitmap->lockPixels(); |
| 568 | memcpy(bitmap->getPixels(), blob.data(), size); |
| 569 | bitmap->unlockPixels(); |
| 570 | |
| 571 | blob.release(); |
| 572 | |
| 573 | return GraphicsJNI::createBitmap(env, bitmap, buffer, getPremulBitmapCreateFlags(isMutable), |
| 574 | NULL, NULL, density); |
| 575 | } |
| 576 | |
| 577 | static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject, |
| 578 | jlong bitmapHandle, |
| 579 | jboolean isMutable, jint density, |
| 580 | jobject parcel) { |
| 581 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 582 | if (parcel == NULL) { |
| 583 | SkDebugf("------- writeToParcel null parcel\n"); |
| 584 | return JNI_FALSE; |
| 585 | } |
| 586 | |
| 587 | android::Parcel* p = android::parcelForJavaObject(env, parcel); |
| 588 | |
| 589 | p->writeInt32(isMutable); |
| 590 | p->writeInt32(bitmap->config()); |
| 591 | p->writeInt32(bitmap->width()); |
| 592 | p->writeInt32(bitmap->height()); |
| 593 | p->writeInt32(bitmap->rowBytes()); |
| 594 | p->writeInt32(density); |
| 595 | |
| 596 | if (bitmap->config() == SkBitmap::kIndex8_Config) { |
| 597 | SkColorTable* ctable = bitmap->getColorTable(); |
| 598 | if (ctable != NULL) { |
| 599 | int count = ctable->count(); |
| 600 | p->writeInt32(count); |
| 601 | memcpy(p->writeInplace(count * sizeof(SkPMColor)), |
| 602 | ctable->lockColors(), count * sizeof(SkPMColor)); |
| 603 | ctable->unlockColors(); |
| 604 | } else { |
| 605 | p->writeInt32(0); // indicate no ctable |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | size_t size = bitmap->getSize(); |
| 610 | |
| 611 | android::Parcel::WritableBlob blob; |
| 612 | android::status_t status = p->writeBlob(size, &blob); |
| 613 | if (status) { |
| 614 | doThrowRE(env, "Could not write bitmap to parcel blob."); |
| 615 | return JNI_FALSE; |
| 616 | } |
| 617 | |
| 618 | bitmap->lockPixels(); |
| 619 | const void* pSrc = bitmap->getPixels(); |
| 620 | if (pSrc == NULL) { |
| 621 | memset(blob.data(), 0, size); |
| 622 | } else { |
| 623 | memcpy(blob.data(), pSrc, size); |
| 624 | } |
| 625 | bitmap->unlockPixels(); |
| 626 | |
| 627 | blob.release(); |
| 628 | return JNI_TRUE; |
| 629 | } |
| 630 | |
| 631 | static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz, |
| 632 | jlong srcHandle, jlong paintHandle, |
| 633 | jintArray offsetXY) { |
| 634 | const SkBitmap* src = reinterpret_cast<SkBitmap*>(srcHandle); |
| 635 | const SkPaint* paint = reinterpret_cast<SkPaint*>(paintHandle); |
| 636 | SkIPoint offset; |
| 637 | SkBitmap* dst = new SkBitmap; |
| 638 | JavaPixelAllocator allocator(env); |
| 639 | |
| 640 | src->extractAlpha(dst, paint, &allocator, &offset); |
| 641 | // If Skia can't allocate pixels for destination bitmap, it resets |
| 642 | // it, that is set its pixels buffer to NULL, and zero width and height. |
| 643 | if (dst->getPixels() == NULL && src->getPixels() != NULL) { |
| 644 | delete dst; |
| 645 | doThrowOOME(env, "failed to allocate pixels for alpha"); |
| 646 | return NULL; |
| 647 | } |
| 648 | if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) { |
| 649 | int* array = env->GetIntArrayElements(offsetXY, NULL); |
| 650 | array[0] = offset.fX; |
| 651 | array[1] = offset.fY; |
| 652 | env->ReleaseIntArrayElements(offsetXY, array, 0); |
| 653 | } |
| 654 | |
| 655 | return GraphicsJNI::createBitmap(env, dst, allocator.getStorageObj(), |
| 656 | getPremulBitmapCreateFlags(true), NULL, NULL); |
| 657 | } |
| 658 | |
| 659 | /////////////////////////////////////////////////////////////////////////////// |
| 660 | |
| 661 | static jint Bitmap_getPixel(JNIEnv* env, jobject, jlong bitmapHandle, |
| 662 | jint x, jint y, jboolean isPremultiplied) { |
| 663 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 664 | SkAutoLockPixels alp(*bitmap); |
| 665 | |
| 666 | ToColorProc proc = ChooseToColorProc(*bitmap, isPremultiplied); |
| 667 | if (NULL == proc) { |
| 668 | return 0; |
| 669 | } |
| 670 | const void* src = bitmap->getAddr(x, y); |
| 671 | if (NULL == src) { |
| 672 | return 0; |
| 673 | } |
| 674 | |
| 675 | SkColor dst[1]; |
| 676 | proc(dst, src, 1, bitmap->getColorTable()); |
| 677 | return static_cast<jint>(dst[0]); |
| 678 | } |
| 679 | |
| 680 | static void Bitmap_getPixels(JNIEnv* env, jobject, jlong bitmapHandle, |
| 681 | jintArray pixelArray, jint offset, jint stride, |
| 682 | jint x, jint y, jint width, jint height, jboolean isPremultiplied) { |
| 683 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 684 | SkAutoLockPixels alp(*bitmap); |
| 685 | |
| 686 | ToColorProc proc = ChooseToColorProc(*bitmap, isPremultiplied); |
| 687 | if (NULL == proc) { |
| 688 | return; |
| 689 | } |
| 690 | const void* src = bitmap->getAddr(x, y); |
| 691 | if (NULL == src) { |
| 692 | return; |
| 693 | } |
| 694 | |
| 695 | SkColorTable* ctable = bitmap->getColorTable(); |
| 696 | jint* dst = env->GetIntArrayElements(pixelArray, NULL); |
| 697 | SkColor* d = (SkColor*)dst + offset; |
| 698 | while (--height >= 0) { |
| 699 | proc(d, src, width, ctable); |
| 700 | d += stride; |
| 701 | src = (void*)((const char*)src + bitmap->rowBytes()); |
| 702 | } |
| 703 | env->ReleaseIntArrayElements(pixelArray, dst, 0); |
| 704 | } |
| 705 | |
| 706 | /////////////////////////////////////////////////////////////////////////////// |
| 707 | |
| 708 | static void Bitmap_setPixel(JNIEnv* env, jobject, jlong bitmapHandle, |
| 709 | jint x, jint y, jint colorHandle, jboolean isPremultiplied) { |
| 710 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 711 | SkColor color = static_cast<SkColor>(colorHandle); |
| 712 | SkAutoLockPixels alp(*bitmap); |
| 713 | if (NULL == bitmap->getPixels()) { |
| 714 | return; |
| 715 | } |
| 716 | |
| 717 | FromColorProc proc = ChooseFromColorProc(bitmap->config(), isPremultiplied); |
| 718 | if (NULL == proc) { |
| 719 | return; |
| 720 | } |
| 721 | |
| 722 | proc(bitmap->getAddr(x, y), &color, 1, x, y); |
| 723 | bitmap->notifyPixelsChanged(); |
| 724 | } |
| 725 | |
| 726 | static void Bitmap_setPixels(JNIEnv* env, jobject, jlong bitmapHandle, |
| 727 | jintArray pixelArray, jint offset, jint stride, |
| 728 | jint x, jint y, jint width, jint height, jboolean isPremultiplied) { |
| 729 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 730 | GraphicsJNI::SetPixels(env, pixelArray, offset, stride, |
| 731 | x, y, width, height, *bitmap, isPremultiplied); |
| 732 | } |
| 733 | |
| 734 | static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject, |
| 735 | jlong bitmapHandle, jobject jbuffer) { |
| 736 | const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 737 | SkAutoLockPixels alp(*bitmap); |
| 738 | const void* src = bitmap->getPixels(); |
| 739 | |
| 740 | if (NULL != src) { |
| 741 | android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE); |
| 742 | |
| 743 | // the java side has already checked that buffer is large enough |
| 744 | memcpy(abp.pointer(), src, bitmap->getSize()); |
| 745 | } |
| 746 | } |
| 747 | |
| 748 | static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject, |
| 749 | jlong bitmapHandle, jobject jbuffer) { |
| 750 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 751 | SkAutoLockPixels alp(*bitmap); |
| 752 | void* dst = bitmap->getPixels(); |
| 753 | |
| 754 | if (NULL != dst) { |
| 755 | android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE); |
| 756 | // the java side has already checked that buffer is large enough |
| 757 | memcpy(dst, abp.pointer(), bitmap->getSize()); |
| 758 | bitmap->notifyPixelsChanged(); |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle, |
| 763 | jlong bm1Handle) { |
| 764 | const SkBitmap* bm0 = reinterpret_cast<SkBitmap*>(bm0Handle); |
| 765 | const SkBitmap* bm1 = reinterpret_cast<SkBitmap*>(bm1Handle); |
| 766 | if (bm0->width() != bm1->width() || |
| 767 | bm0->height() != bm1->height() || |
| 768 | bm0->config() != bm1->config()) { |
| 769 | return JNI_FALSE; |
| 770 | } |
| 771 | |
| 772 | SkAutoLockPixels alp0(*bm0); |
| 773 | SkAutoLockPixels alp1(*bm1); |
| 774 | |
| 775 | // if we can't load the pixels, return false |
| 776 | if (NULL == bm0->getPixels() || NULL == bm1->getPixels()) { |
| 777 | return JNI_FALSE; |
| 778 | } |
| 779 | |
| 780 | if (bm0->config() == SkBitmap::kIndex8_Config) { |
| 781 | SkColorTable* ct0 = bm0->getColorTable(); |
| 782 | SkColorTable* ct1 = bm1->getColorTable(); |
| 783 | if (NULL == ct0 || NULL == ct1) { |
| 784 | return JNI_FALSE; |
| 785 | } |
| 786 | if (ct0->count() != ct1->count()) { |
| 787 | return JNI_FALSE; |
| 788 | } |
| 789 | |
| 790 | SkAutoLockColors alc0(ct0); |
| 791 | SkAutoLockColors alc1(ct1); |
| 792 | const size_t size = ct0->count() * sizeof(SkPMColor); |
| 793 | if (memcmp(alc0.colors(), alc1.colors(), size) != 0) { |
| 794 | return JNI_FALSE; |
| 795 | } |
| 796 | } |
| 797 | |
| 798 | // now compare each scanline. We can't do the entire buffer at once, |
| 799 | // since we don't care about the pixel values that might extend beyond |
| 800 | // the width (since the scanline might be larger than the logical width) |
| 801 | const int h = bm0->height(); |
| 802 | const size_t size = bm0->width() * bm0->bytesPerPixel(); |
| 803 | for (int y = 0; y < h; y++) { |
| 804 | if (memcmp(bm0->getAddr(0, y), bm1->getAddr(0, y), size) != 0) { |
| 805 | return JNI_FALSE; |
| 806 | } |
| 807 | } |
| 808 | return JNI_TRUE; |
| 809 | } |
| 810 | |
| 811 | static void Bitmap_prepareToDraw(JNIEnv* env, jobject, jlong bitmapHandle) { |
| 812 | SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); |
| 813 | bitmap->lockPixels(); |
| 814 | bitmap->unlockPixels(); |
| 815 | } |
| 816 | |
| 817 | /////////////////////////////////////////////////////////////////////////////// |
| 818 | |
| 819 | #include <android_runtime/AndroidRuntime.h> |
| 820 | |
| 821 | static JNINativeMethod gBitmapMethods[] = { |
| 822 | { "nativeCreate", "([IIIIIIZ)Landroid/graphics/Bitmap;", |
| 823 | (void*)Bitmap_creator }, |
| 824 | { "nativeCopy", "(JIZ)Landroid/graphics/Bitmap;", |
| 825 | (void*)Bitmap_copy }, |
| 826 | { "nativeDestructor", "(J)V", (void*)Bitmap_destructor }, |
| 827 | { "nativeRecycle", "(J)Z", (void*)Bitmap_recycle }, |
Leon Scroggins III | 17a8bfc | 2014-06-03 16:15:15 -0400 | [diff] [blame^] | 828 | { "nativeReconfigure", "(JIIIIZ)V", (void*)Bitmap_reconfigure }, |
Chris Craik | 32054b0 | 2014-05-09 13:58:56 -0700 | [diff] [blame] | 829 | { "nativeCompress", "(JIILjava/io/OutputStream;[B)Z", |
| 830 | (void*)Bitmap_compress }, |
| 831 | { "nativeErase", "(JI)V", (void*)Bitmap_erase }, |
| 832 | { "nativeRowBytes", "(J)I", (void*)Bitmap_rowBytes }, |
| 833 | { "nativeConfig", "(J)I", (void*)Bitmap_config }, |
| 834 | { "nativeHasAlpha", "(J)Z", (void*)Bitmap_hasAlpha }, |
| 835 | { "nativeSetAlphaAndPremultiplied", "(JZZ)V", (void*)Bitmap_setAlphaAndPremultiplied}, |
| 836 | { "nativeHasMipMap", "(J)Z", (void*)Bitmap_hasMipMap }, |
| 837 | { "nativeSetHasMipMap", "(JZ)V", (void*)Bitmap_setHasMipMap }, |
| 838 | { "nativeCreateFromParcel", |
| 839 | "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;", |
| 840 | (void*)Bitmap_createFromParcel }, |
| 841 | { "nativeWriteToParcel", "(JZILandroid/os/Parcel;)Z", |
| 842 | (void*)Bitmap_writeToParcel }, |
| 843 | { "nativeExtractAlpha", "(JJ[I)Landroid/graphics/Bitmap;", |
| 844 | (void*)Bitmap_extractAlpha }, |
| 845 | { "nativeGenerationId", "(J)I", (void*)Bitmap_getGenerationId }, |
| 846 | { "nativeGetPixel", "(JIIZ)I", (void*)Bitmap_getPixel }, |
| 847 | { "nativeGetPixels", "(J[IIIIIIIZ)V", (void*)Bitmap_getPixels }, |
| 848 | { "nativeSetPixel", "(JIIIZ)V", (void*)Bitmap_setPixel }, |
| 849 | { "nativeSetPixels", "(J[IIIIIIIZ)V", (void*)Bitmap_setPixels }, |
| 850 | { "nativeCopyPixelsToBuffer", "(JLjava/nio/Buffer;)V", |
| 851 | (void*)Bitmap_copyPixelsToBuffer }, |
| 852 | { "nativeCopyPixelsFromBuffer", "(JLjava/nio/Buffer;)V", |
| 853 | (void*)Bitmap_copyPixelsFromBuffer }, |
| 854 | { "nativeSameAs", "(JJ)Z", (void*)Bitmap_sameAs }, |
| 855 | { "nativePrepareToDraw", "(J)V", (void*)Bitmap_prepareToDraw }, |
| 856 | }; |
| 857 | |
| 858 | #define kClassPathName "android/graphics/Bitmap" |
| 859 | |
| 860 | int register_android_graphics_Bitmap(JNIEnv* env) |
| 861 | { |
| 862 | return android::AndroidRuntime::registerNativeMethods(env, kClassPathName, |
| 863 | gBitmapMethods, SK_ARRAY_COUNT(gBitmapMethods)); |
| 864 | } |