Bitmap.cpp revision d84e1ce0b535128f03416145554fb405f9fade3e 
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
9#include <binder/Parcel.h>
10#include "android_os_Parcel.h"
11#include "android_util_Binder.h"
12#include "android_nio_utils.h"
13#include "CreateJavaOutputStreamAdaptor.h"
14
15#include <jni.h>
16
17#include <Caches.h>
18
19#if 0
20    #define TRACE_BITMAP(code)  code
21#else
22    #define TRACE_BITMAP(code)
23#endif
24
25///////////////////////////////////////////////////////////////////////////////
26// Conversions to/from SkColor, for get/setPixels, and the create method, which
27// is basically like setPixels
28
29typedef void (*FromColorProc)(void* dst, const SkColor src[], int width,
30                              int x, int y);
31
32static void FromColor_D32(void* dst, const SkColor src[], int width,
33                          int, int) {
34    SkPMColor* d = (SkPMColor*)dst;
35
36    for (int i = 0; i < width; i++) {
37        *d++ = SkPreMultiplyColor(*src++);
38    }
39}
40
41static void FromColor_D565(void* dst, const SkColor src[], int width,
42                           int x, int y) {
43    uint16_t* d = (uint16_t*)dst;
44
45    DITHER_565_SCAN(y);
46    for (int stop = x + width; x < stop; x++) {
47        SkColor c = *src++;
48        *d++ = SkDitherRGBTo565(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c),
49                                DITHER_VALUE(x));
50    }
51}
52
53static void FromColor_D4444(void* dst, const SkColor src[], int width,
54                            int x, int y) {
55    SkPMColor16* d = (SkPMColor16*)dst;
56
57    DITHER_4444_SCAN(y);
58    for (int stop = x + width; x < stop; x++) {
59        SkPMColor c = SkPreMultiplyColor(*src++);
60        *d++ = SkDitherARGB32To4444(c, DITHER_VALUE(x));
61//        *d++ = SkPixel32ToPixel4444(c);
62    }
63}
64
65// can return NULL
66static FromColorProc ChooseFromColorProc(SkBitmap::Config config) {
67    switch (config) {
68        case SkBitmap::kARGB_8888_Config:
69            return FromColor_D32;
70        case SkBitmap::kARGB_4444_Config:
71            return FromColor_D4444;
72        case SkBitmap::kRGB_565_Config:
73            return FromColor_D565;
74        default:
75            break;
76    }
77    return NULL;
78}
79
80bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors,
81                            int srcOffset, int srcStride,
82                            int x, int y, int width, int height,
83                            const SkBitmap& dstBitmap) {
84    SkAutoLockPixels alp(dstBitmap);
85    void* dst = dstBitmap.getPixels();
86    FromColorProc proc = ChooseFromColorProc(dstBitmap.config());
87
88    if (NULL == dst || NULL == proc) {
89        return false;
90    }
91
92    const jint* array = env->GetIntArrayElements(srcColors, NULL);
93    const SkColor* src = (const SkColor*)array + srcOffset;
94
95    // reset to to actual choice from caller
96    dst = dstBitmap.getAddr(x, y);
97    // now copy/convert each scanline
98    for (int y = 0; y < height; y++) {
99        proc(dst, src, width, x, y);
100        src += srcStride;
101        dst = (char*)dst + dstBitmap.rowBytes();
102    }
103
104    dstBitmap.notifyPixelsChanged();
105
106    env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array),
107                                 JNI_ABORT);
108    return true;
109}
110
111//////////////////// ToColor procs
112
113typedef void (*ToColorProc)(SkColor dst[], const void* src, int width,
114                            SkColorTable*);
115
116static void ToColor_S32_Alpha(SkColor dst[], const void* src, int width,
117                              SkColorTable*) {
118    SkASSERT(width > 0);
119    const SkPMColor* s = (const SkPMColor*)src;
120    do {
121        *dst++ = SkUnPreMultiply::PMColorToColor(*s++);
122    } while (--width != 0);
123}
124
125static void ToColor_S32_Opaque(SkColor dst[], const void* src, int width,
126                               SkColorTable*) {
127    SkASSERT(width > 0);
128    const SkPMColor* s = (const SkPMColor*)src;
129    do {
130        SkPMColor c = *s++;
131        *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c),
132                               SkGetPackedB32(c));
133    } while (--width != 0);
134}
135
136static void ToColor_S4444_Alpha(SkColor dst[], const void* src, int width,
137                                SkColorTable*) {
138    SkASSERT(width > 0);
139    const SkPMColor16* s = (const SkPMColor16*)src;
140    do {
141        *dst++ = SkUnPreMultiply::PMColorToColor(SkPixel4444ToPixel32(*s++));
142    } while (--width != 0);
143}
144
145static void ToColor_S4444_Opaque(SkColor dst[], const void* src, int width,
146                                 SkColorTable*) {
147    SkASSERT(width > 0);
148    const SkPMColor* s = (const SkPMColor*)src;
149    do {
150        SkPMColor c = SkPixel4444ToPixel32(*s++);
151        *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c),
152                               SkGetPackedB32(c));
153    } while (--width != 0);
154}
155
156static void ToColor_S565(SkColor dst[], const void* src, int width,
157                         SkColorTable*) {
158    SkASSERT(width > 0);
159    const uint16_t* s = (const uint16_t*)src;
160    do {
161        uint16_t c = *s++;
162        *dst++ =  SkColorSetRGB(SkPacked16ToR32(c), SkPacked16ToG32(c),
163                                SkPacked16ToB32(c));
164    } while (--width != 0);
165}
166
167static void ToColor_SI8_Alpha(SkColor dst[], const void* src, int width,
168                              SkColorTable* ctable) {
169    SkASSERT(width > 0);
170    const uint8_t* s = (const uint8_t*)src;
171    const SkPMColor* colors = ctable->lockColors();
172    do {
173        *dst++ = SkUnPreMultiply::PMColorToColor(colors[*s++]);
174    } while (--width != 0);
175    ctable->unlockColors(false);
176}
177
178static void ToColor_SI8_Opaque(SkColor dst[], const void* src, int width,
179                               SkColorTable* ctable) {
180    SkASSERT(width > 0);
181    const uint8_t* s = (const uint8_t*)src;
182    const SkPMColor* colors = ctable->lockColors();
183    do {
184        SkPMColor c = colors[*s++];
185        *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c),
186                               SkGetPackedB32(c));
187    } while (--width != 0);
188    ctable->unlockColors(false);
189}
190
191// can return NULL
192static ToColorProc ChooseToColorProc(const SkBitmap& src) {
193    switch (src.config()) {
194        case SkBitmap::kARGB_8888_Config:
195            return src.isOpaque() ? ToColor_S32_Opaque : ToColor_S32_Alpha;
196        case SkBitmap::kARGB_4444_Config:
197            return src.isOpaque() ? ToColor_S4444_Opaque : ToColor_S4444_Alpha;
198        case SkBitmap::kRGB_565_Config:
199            return ToColor_S565;
200        case SkBitmap::kIndex8_Config:
201            if (src.getColorTable() == NULL) {
202                return NULL;
203            }
204            return src.isOpaque() ? ToColor_SI8_Opaque : ToColor_SI8_Alpha;
205        default:
206            break;
207    }
208    return NULL;
209}
210
211///////////////////////////////////////////////////////////////////////////////
212///////////////////////////////////////////////////////////////////////////////
213
214static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors,
215                              int offset, int stride, int width, int height,
216                              SkBitmap::Config config, jboolean isMutable) {
217    if (NULL != jColors) {
218        size_t n = env->GetArrayLength(jColors);
219        if (n < SkAbs32(stride) * (size_t)height) {
220            doThrowAIOOBE(env);
221            return NULL;
222        }
223    }
224
225    SkBitmap bitmap;
226
227    bitmap.setConfig(config, width, height);
228
229    jbyteArray buff = GraphicsJNI::allocateJavaPixelRef(env, &bitmap, NULL);
230    if (NULL == buff) {
231        return NULL;
232    }
233
234    if (jColors != NULL) {
235        GraphicsJNI::SetPixels(env, jColors, offset, stride,
236                               0, 0, width, height, bitmap);
237    }
238
239    return GraphicsJNI::createBitmap(env, new SkBitmap(bitmap), buff, isMutable, NULL);
240}
241
242static jobject Bitmap_copy(JNIEnv* env, jobject, const SkBitmap* src,
243                           SkBitmap::Config dstConfig, jboolean isMutable) {
244    SkBitmap            result;
245    JavaPixelAllocator  allocator(env);
246
247    if (!src->copyTo(&result, dstConfig, &allocator)) {
248        return NULL;
249    }
250
251    return GraphicsJNI::createBitmap(env, new SkBitmap(result), allocator.getStorageObj(), isMutable, NULL);
252}
253
254static void Bitmap_destructor(JNIEnv* env, jobject, SkBitmap* bitmap) {
255#ifdef USE_OPENGL_RENDERER
256    if (android::uirenderer::Caches::hasInstance()) {
257        android::uirenderer::Caches::getInstance().resourceCache.destructor(bitmap);
258        return;
259    }
260#endif // USE_OPENGL_RENDERER
261    delete bitmap;
262}
263
264static void Bitmap_recycle(JNIEnv* env, jobject, SkBitmap* bitmap) {
265#ifdef USE_OPENGL_RENDERER
266    if (android::uirenderer::Caches::hasInstance()) {
267        android::uirenderer::Caches::getInstance().resourceCache.recycle(bitmap);
268        return;
269    }
270#endif // USE_OPENGL_RENDERER
271    bitmap->setPixels(NULL, NULL);
272}
273
274// These must match the int values in Bitmap.java
275enum JavaEncodeFormat {
276    kJPEG_JavaEncodeFormat = 0,
277    kPNG_JavaEncodeFormat = 1,
278    kWEBP_JavaEncodeFormat = 2
279};
280
281static bool Bitmap_compress(JNIEnv* env, jobject clazz, SkBitmap* bitmap,
282                            int format, int quality,
283                            jobject jstream, jbyteArray jstorage) {
284    SkImageEncoder::Type fm;
285
286    switch (format) {
287    case kJPEG_JavaEncodeFormat:
288        fm = SkImageEncoder::kJPEG_Type;
289        break;
290    case kPNG_JavaEncodeFormat:
291        fm = SkImageEncoder::kPNG_Type;
292        break;
293    case kWEBP_JavaEncodeFormat:
294        fm = SkImageEncoder::kWEBP_Type;
295        break;
296    default:
297        return false;
298    }
299
300    bool success = false;
301    SkWStream* strm = CreateJavaOutputStreamAdaptor(env, jstream, jstorage);
302    if (NULL != strm) {
303        SkImageEncoder* encoder = SkImageEncoder::Create(fm);
304        if (NULL != encoder) {
305            success = encoder->encodeStream(strm, *bitmap, quality);
306            delete encoder;
307        }
308        delete strm;
309    }
310    return success;
311}
312
313static void Bitmap_erase(JNIEnv* env, jobject, SkBitmap* bitmap, jint color) {
314    bitmap->eraseColor(color);
315}
316
317static int Bitmap_width(JNIEnv* env, jobject, SkBitmap* bitmap) {
318    return bitmap->width();
319}
320
321static int Bitmap_height(JNIEnv* env, jobject, SkBitmap* bitmap) {
322    return bitmap->height();
323}
324
325static int Bitmap_rowBytes(JNIEnv* env, jobject, SkBitmap* bitmap) {
326    return bitmap->rowBytes();
327}
328
329static int Bitmap_config(JNIEnv* env, jobject, SkBitmap* bitmap) {
330    return bitmap->config();
331}
332
333static int Bitmap_getGenerationId(JNIEnv* env, jobject, SkBitmap* bitmap) {
334    return bitmap->getGenerationID();
335}
336
337static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, SkBitmap* bitmap) {
338    return !bitmap->isOpaque();
339}
340
341static void Bitmap_setHasAlpha(JNIEnv* env, jobject, SkBitmap* bitmap,
342                               jboolean hasAlpha) {
343    bitmap->setIsOpaque(!hasAlpha);
344}
345
346///////////////////////////////////////////////////////////////////////////////
347
348static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) {
349    if (parcel == NULL) {
350        SkDebugf("-------- unparcel parcel is NULL\n");
351        return NULL;
352    }
353
354    android::Parcel* p = android::parcelForJavaObject(env, parcel);
355
356    const bool              isMutable = p->readInt32() != 0;
357    const SkBitmap::Config  config = (SkBitmap::Config)p->readInt32();
358    const int               width = p->readInt32();
359    const int               height = p->readInt32();
360    const int               rowBytes = p->readInt32();
361    const int               density = p->readInt32();
362
363    if (SkBitmap::kARGB_8888_Config != config &&
364            SkBitmap::kRGB_565_Config != config &&
365            SkBitmap::kARGB_4444_Config != config &&
366            SkBitmap::kIndex8_Config != config &&
367            SkBitmap::kA8_Config != config) {
368        SkDebugf("Bitmap_createFromParcel unknown config: %d\n", config);
369        return NULL;
370    }
371
372    SkBitmap* bitmap = new SkBitmap;
373
374    bitmap->setConfig(config, width, height, rowBytes);
375
376    SkColorTable* ctable = NULL;
377    if (config == SkBitmap::kIndex8_Config) {
378        int count = p->readInt32();
379        if (count > 0) {
380            size_t size = count * sizeof(SkPMColor);
381            const SkPMColor* src = (const SkPMColor*)p->readInplace(size);
382            ctable = new SkColorTable(src, count);
383        }
384    }
385
386    jbyteArray buffer = GraphicsJNI::allocateJavaPixelRef(env, bitmap, ctable);
387    if (NULL == buffer) {
388        SkSafeUnref(ctable);
389        delete bitmap;
390        return NULL;
391    }
392
393    SkSafeUnref(ctable);
394
395    size_t size = bitmap->getSize();
396
397    android::Parcel::ReadableBlob blob;
398    android::status_t status = p->readBlob(size, &blob);
399    if (status) {
400        doThrowRE(env, "Could not read bitmap from parcel blob.");
401        delete bitmap;
402        return NULL;
403    }
404
405    bitmap->lockPixels();
406    memcpy(bitmap->getPixels(), blob.data(), size);
407    bitmap->unlockPixels();
408
409    blob.release();
410    return GraphicsJNI::createBitmap(env, bitmap, buffer, isMutable, NULL, density);
411}
412
413static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject,
414                                     const SkBitmap* bitmap,
415                                     jboolean isMutable, jint density,
416                                     jobject parcel) {
417    if (parcel == NULL) {
418        SkDebugf("------- writeToParcel null parcel\n");
419        return false;
420    }
421
422    android::Parcel* p = android::parcelForJavaObject(env, parcel);
423
424    p->writeInt32(isMutable);
425    p->writeInt32(bitmap->config());
426    p->writeInt32(bitmap->width());
427    p->writeInt32(bitmap->height());
428    p->writeInt32(bitmap->rowBytes());
429    p->writeInt32(density);
430
431    if (bitmap->getConfig() == SkBitmap::kIndex8_Config) {
432        SkColorTable* ctable = bitmap->getColorTable();
433        if (ctable != NULL) {
434            int count = ctable->count();
435            p->writeInt32(count);
436            memcpy(p->writeInplace(count * sizeof(SkPMColor)),
437                   ctable->lockColors(), count * sizeof(SkPMColor));
438            ctable->unlockColors(false);
439        } else {
440            p->writeInt32(0);   // indicate no ctable
441        }
442    }
443
444    size_t size = bitmap->getSize();
445
446    android::Parcel::WritableBlob blob;
447    android::status_t status = p->writeBlob(size, &blob);
448    if (status) {
449        doThrowRE(env, "Could not write bitmap to parcel blob.");
450        return false;
451    }
452
453    bitmap->lockPixels();
454    const void* pSrc =  bitmap->getPixels();
455    if (pSrc == NULL) {
456        memset(blob.data(), 0, size);
457    } else {
458        memcpy(blob.data(), pSrc, size);
459    }
460    bitmap->unlockPixels();
461
462    blob.release();
463    return true;
464}
465
466static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz,
467                                   const SkBitmap* src, const SkPaint* paint,
468                                   jintArray offsetXY) {
469    SkIPoint  offset;
470    SkBitmap* dst = new SkBitmap;
471    JavaPixelAllocator allocator(env);
472
473    src->extractAlpha(dst, paint, &allocator, &offset);
474    // If Skia can't allocate pixels for destination bitmap, it resets
475    // it, that is set its pixels buffer to NULL, and zero width and height.
476    if (dst->getPixels() == NULL && src->getPixels() != NULL) {
477        delete dst;
478        doThrowOOME(env, "failed to allocate pixels for alpha");
479        return NULL;
480    }
481    if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) {
482        int* array = env->GetIntArrayElements(offsetXY, NULL);
483        array[0] = offset.fX;
484        array[1] = offset.fY;
485        env->ReleaseIntArrayElements(offsetXY, array, 0);
486    }
487
488    return GraphicsJNI::createBitmap(env, dst, allocator.getStorageObj(), true, NULL);
489}
490
491///////////////////////////////////////////////////////////////////////////////
492
493static int Bitmap_getPixel(JNIEnv* env, jobject, const SkBitmap* bitmap,
494                           int x, int y) {
495    SkAutoLockPixels alp(*bitmap);
496
497    ToColorProc proc = ChooseToColorProc(*bitmap);
498    if (NULL == proc) {
499        return 0;
500    }
501    const void* src = bitmap->getAddr(x, y);
502    if (NULL == src) {
503        return 0;
504    }
505
506    SkColor dst[1];
507    proc(dst, src, 1, bitmap->getColorTable());
508    return dst[0];
509}
510
511static void Bitmap_getPixels(JNIEnv* env, jobject, const SkBitmap* bitmap,
512                             jintArray pixelArray, int offset, int stride,
513                             int x, int y, int width, int height) {
514    SkAutoLockPixels alp(*bitmap);
515
516    ToColorProc proc = ChooseToColorProc(*bitmap);
517    if (NULL == proc) {
518        return;
519    }
520    const void* src = bitmap->getAddr(x, y);
521    if (NULL == src) {
522        return;
523    }
524
525    SkColorTable* ctable = bitmap->getColorTable();
526    jint* dst = env->GetIntArrayElements(pixelArray, NULL);
527    SkColor* d = (SkColor*)dst + offset;
528    while (--height >= 0) {
529        proc(d, src, width, ctable);
530        d += stride;
531        src = (void*)((const char*)src + bitmap->rowBytes());
532    }
533    env->ReleaseIntArrayElements(pixelArray, dst, 0);
534}
535
536///////////////////////////////////////////////////////////////////////////////
537
538static void Bitmap_setPixel(JNIEnv* env, jobject, const SkBitmap* bitmap,
539                            int x, int y, SkColor color) {
540    SkAutoLockPixels alp(*bitmap);
541    if (NULL == bitmap->getPixels()) {
542        return;
543    }
544
545    FromColorProc proc = ChooseFromColorProc(bitmap->config());
546    if (NULL == proc) {
547        return;
548    }
549
550    proc(bitmap->getAddr(x, y), &color, 1, x, y);
551    bitmap->notifyPixelsChanged();
552}
553
554static void Bitmap_setPixels(JNIEnv* env, jobject, const SkBitmap* bitmap,
555                             jintArray pixelArray, int offset, int stride,
556                             int x, int y, int width, int height) {
557    GraphicsJNI::SetPixels(env, pixelArray, offset, stride,
558                           x, y, width, height, *bitmap);
559}
560
561static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject,
562                                      const SkBitmap* bitmap, jobject jbuffer) {
563    SkAutoLockPixels alp(*bitmap);
564    const void* src = bitmap->getPixels();
565
566    if (NULL != src) {
567        android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE);
568
569        // the java side has already checked that buffer is large enough
570        memcpy(abp.pointer(), src, bitmap->getSize());
571    }
572}
573
574static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject,
575                                    const SkBitmap* bitmap, jobject jbuffer) {
576    SkAutoLockPixels alp(*bitmap);
577    void* dst = bitmap->getPixels();
578
579    if (NULL != dst) {
580        android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE);
581        // the java side has already checked that buffer is large enough
582        memcpy(dst, abp.pointer(), bitmap->getSize());
583        bitmap->notifyPixelsChanged();
584    }
585}
586
587static bool Bitmap_sameAs(JNIEnv* env, jobject, const SkBitmap* bm0,
588                             const SkBitmap* bm1) {
589    if (bm0->width() != bm1->width() ||
590        bm0->height() != bm1->height() ||
591        bm0->config() != bm1->config()) {
592        return false;
593    }
594
595    SkAutoLockPixels alp0(*bm0);
596    SkAutoLockPixels alp1(*bm1);
597
598    // if we can't load the pixels, return false
599    if (NULL == bm0->getPixels() || NULL == bm1->getPixels()) {
600        return false;
601    }
602
603    if (bm0->config() == SkBitmap::kIndex8_Config) {
604        SkColorTable* ct0 = bm0->getColorTable();
605        SkColorTable* ct1 = bm1->getColorTable();
606        if (NULL == ct0 || NULL == ct1) {
607            return false;
608        }
609        if (ct0->count() != ct1->count()) {
610            return false;
611        }
612
613        SkAutoLockColors alc0(ct0);
614        SkAutoLockColors alc1(ct1);
615        const size_t size = ct0->count() * sizeof(SkPMColor);
616        if (memcmp(alc0.colors(), alc1.colors(), size) != 0) {
617            return false;
618        }
619    }
620
621    // now compare each scanline. We can't do the entire buffer at once,
622    // since we don't care about the pixel values that might extend beyond
623    // the width (since the scanline might be larger than the logical width)
624    const int h = bm0->height();
625    const size_t size = bm0->width() * bm0->bytesPerPixel();
626    for (int y = 0; y < h; y++) {
627        if (memcmp(bm0->getAddr(0, y), bm1->getAddr(0, y), size) != 0) {
628            return false;
629        }
630    }
631    return true;
632}
633
634static void Bitmap_prepareToDraw(JNIEnv* env, jobject, SkBitmap* bitmap) {
635    bitmap->lockPixels();
636    bitmap->unlockPixels();
637}
638
639///////////////////////////////////////////////////////////////////////////////
640
641#include <android_runtime/AndroidRuntime.h>
642
643static JNINativeMethod gBitmapMethods[] = {
644    {   "nativeCreate",             "([IIIIIIZ)Landroid/graphics/Bitmap;",
645        (void*)Bitmap_creator },
646    {   "nativeCopy",               "(IIZ)Landroid/graphics/Bitmap;",
647        (void*)Bitmap_copy },
648    {   "nativeDestructor",         "(I)V", (void*)Bitmap_destructor },
649    {   "nativeRecycle",            "(I)V", (void*)Bitmap_recycle },
650    {   "nativeCompress",           "(IIILjava/io/OutputStream;[B)Z",
651        (void*)Bitmap_compress },
652    {   "nativeErase",              "(II)V", (void*)Bitmap_erase },
653    {   "nativeWidth",              "(I)I", (void*)Bitmap_width },
654    {   "nativeHeight",             "(I)I", (void*)Bitmap_height },
655    {   "nativeRowBytes",           "(I)I", (void*)Bitmap_rowBytes },
656    {   "nativeConfig",             "(I)I", (void*)Bitmap_config },
657    {   "nativeHasAlpha",           "(I)Z", (void*)Bitmap_hasAlpha },
658    {   "nativeSetHasAlpha",        "(IZ)V", (void*)Bitmap_setHasAlpha },
659    {   "nativeCreateFromParcel",
660        "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;",
661        (void*)Bitmap_createFromParcel },
662    {   "nativeWriteToParcel",      "(IZILandroid/os/Parcel;)Z",
663        (void*)Bitmap_writeToParcel },
664    {   "nativeExtractAlpha",       "(II[I)Landroid/graphics/Bitmap;",
665        (void*)Bitmap_extractAlpha },
666    {   "nativeGenerationId",       "(I)I", (void*)Bitmap_getGenerationId },
667    {   "nativeGetPixel",           "(III)I", (void*)Bitmap_getPixel },
668    {   "nativeGetPixels",          "(I[IIIIIII)V", (void*)Bitmap_getPixels },
669    {   "nativeSetPixel",           "(IIII)V", (void*)Bitmap_setPixel },
670    {   "nativeSetPixels",          "(I[IIIIIII)V", (void*)Bitmap_setPixels },
671    {   "nativeCopyPixelsToBuffer", "(ILjava/nio/Buffer;)V",
672                                            (void*)Bitmap_copyPixelsToBuffer },
673    {   "nativeCopyPixelsFromBuffer", "(ILjava/nio/Buffer;)V",
674                                            (void*)Bitmap_copyPixelsFromBuffer },
675    {   "nativeSameAs",             "(II)Z", (void*)Bitmap_sameAs },
676    {   "nativePrepareToDraw",      "(I)V", (void*)Bitmap_prepareToDraw },
677};
678
679#define kClassPathName  "android/graphics/Bitmap"
680
681int register_android_graphics_Bitmap(JNIEnv* env)
682{
683    return android::AndroidRuntime::registerNativeMethods(env, kClassPathName,
684                                gBitmapMethods, SK_ARRAY_COUNT(gBitmapMethods));
685}
686