The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | #include "SkBitmap.h"
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Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 2 | #include "SkPixelRef.h"
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 3 | #include "SkImageEncoder.h"
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| 4 | #include "SkColorPriv.h"
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| 5 | #include "GraphicsJNI.h"
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| 6 | #include "SkDither.h"
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| 7 | #include "SkUnPreMultiply.h"
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| 8 |
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Mathias Agopian | 0795272 | 2009-05-19 19:08:10 -0700 | [diff] [blame] | 9 | #include <binder/Parcel.h>
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 10 | #include "android_util_Binder.h"
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| 11 | #include "android_nio_utils.h"
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| 12 | #include "CreateJavaOutputStreamAdaptor.h"
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| 13 |
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| 14 | #include <jni.h>
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| 15 |
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Romain Guy | 9aaa826 | 2010-09-08 15:15:43 -0700 | [diff] [blame] | 16 | #include <Caches.h>
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| 17 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 18 | #if 0
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| 19 | #define TRACE_BITMAP(code) code
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| 20 | #else
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| 21 | #define TRACE_BITMAP(code)
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| 22 | #endif
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| 23 |
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| 24 | ///////////////////////////////////////////////////////////////////////////////
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| 25 | // Conversions to/from SkColor, for get/setPixels, and the create method, which
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| 26 | // is basically like setPixels
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| 27 |
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| 28 | typedef void (*FromColorProc)(void* dst, const SkColor src[], int width,
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| 29 | int x, int y);
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| 30 |
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| 31 | static void FromColor_D32(void* dst, const SkColor src[], int width,
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| 32 | int, int) {
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| 33 | SkPMColor* d = (SkPMColor*)dst;
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 34 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 35 | for (int i = 0; i < width; i++) {
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| 36 | *d++ = SkPreMultiplyColor(*src++);
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| 37 | }
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| 38 | }
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| 39 |
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| 40 | static void FromColor_D565(void* dst, const SkColor src[], int width,
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| 41 | int x, int y) {
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| 42 | uint16_t* d = (uint16_t*)dst;
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 43 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 44 | DITHER_565_SCAN(y);
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| 45 | for (int stop = x + width; x < stop; x++) {
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| 46 | SkColor c = *src++;
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| 47 | *d++ = SkDitherRGBTo565(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c),
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| 48 | DITHER_VALUE(x));
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| 49 | }
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| 50 | }
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| 51 |
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| 52 | static void FromColor_D4444(void* dst, const SkColor src[], int width,
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| 53 | int x, int y) {
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| 54 | SkPMColor16* d = (SkPMColor16*)dst;
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 55 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 56 | DITHER_4444_SCAN(y);
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| 57 | for (int stop = x + width; x < stop; x++) {
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| 58 | SkPMColor c = SkPreMultiplyColor(*src++);
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| 59 | *d++ = SkDitherARGB32To4444(c, DITHER_VALUE(x));
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| 60 | // *d++ = SkPixel32ToPixel4444(c);
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| 61 | }
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| 62 | }
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| 63 |
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| 64 | // can return NULL
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| 65 | static FromColorProc ChooseFromColorProc(SkBitmap::Config config) {
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| 66 | switch (config) {
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| 67 | case SkBitmap::kARGB_8888_Config:
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| 68 | return FromColor_D32;
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| 69 | case SkBitmap::kARGB_4444_Config:
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| 70 | return FromColor_D4444;
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| 71 | case SkBitmap::kRGB_565_Config:
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| 72 | return FromColor_D565;
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| 73 | default:
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| 74 | break;
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| 75 | }
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| 76 | return NULL;
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| 77 | }
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| 78 |
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| 79 | bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors,
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| 80 | int srcOffset, int srcStride,
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| 81 | int x, int y, int width, int height,
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| 82 | const SkBitmap& dstBitmap) {
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| 83 | SkAutoLockPixels alp(dstBitmap);
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| 84 | void* dst = dstBitmap.getPixels();
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| 85 | FromColorProc proc = ChooseFromColorProc(dstBitmap.config());
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 86 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 87 | if (NULL == dst || NULL == proc) {
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| 88 | return false;
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| 89 | }
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 90 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 91 | const jint* array = env->GetIntArrayElements(srcColors, NULL);
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| 92 | const SkColor* src = (const SkColor*)array + srcOffset;
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 93 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 94 | // reset to to actual choice from caller
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| 95 | dst = dstBitmap.getAddr(x, y);
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| 96 | // now copy/convert each scanline
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| 97 | for (int y = 0; y < height; y++) {
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| 98 | proc(dst, src, width, x, y);
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| 99 | src += srcStride;
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| 100 | dst = (char*)dst + dstBitmap.rowBytes();
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| 101 | }
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 102 |
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Romain Guy | 1a81aea | 2011-03-21 15:24:51 -0700 | [diff] [blame] | 103 | dstBitmap.notifyPixelsChanged();
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| 104 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 105 | env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array),
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| 106 | JNI_ABORT);
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| 107 | return true;
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| 108 | }
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| 109 |
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| 110 | //////////////////// ToColor procs
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| 111 |
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| 112 | typedef void (*ToColorProc)(SkColor dst[], const void* src, int width,
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| 113 | SkColorTable*);
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| 114 |
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| 115 | static void ToColor_S32_Alpha(SkColor dst[], const void* src, int width,
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| 116 | SkColorTable*) {
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| 117 | SkASSERT(width > 0);
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| 118 | const SkPMColor* s = (const SkPMColor*)src;
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| 119 | do {
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| 120 | *dst++ = SkUnPreMultiply::PMColorToColor(*s++);
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| 121 | } while (--width != 0);
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| 122 | }
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| 123 |
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| 124 | static void ToColor_S32_Opaque(SkColor dst[], const void* src, int width,
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| 125 | SkColorTable*) {
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| 126 | SkASSERT(width > 0);
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| 127 | const SkPMColor* s = (const SkPMColor*)src;
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| 128 | do {
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| 129 | SkPMColor c = *s++;
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| 130 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c),
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| 131 | SkGetPackedB32(c));
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| 132 | } while (--width != 0);
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| 133 | }
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| 134 |
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| 135 | static void ToColor_S4444_Alpha(SkColor dst[], const void* src, int width,
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| 136 | SkColorTable*) {
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| 137 | SkASSERT(width > 0);
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| 138 | const SkPMColor16* s = (const SkPMColor16*)src;
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| 139 | do {
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| 140 | *dst++ = SkUnPreMultiply::PMColorToColor(SkPixel4444ToPixel32(*s++));
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| 141 | } while (--width != 0);
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| 142 | }
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| 143 |
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| 144 | static void ToColor_S4444_Opaque(SkColor dst[], const void* src, int width,
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| 145 | SkColorTable*) {
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| 146 | SkASSERT(width > 0);
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| 147 | const SkPMColor* s = (const SkPMColor*)src;
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| 148 | do {
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| 149 | SkPMColor c = SkPixel4444ToPixel32(*s++);
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| 150 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c),
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| 151 | SkGetPackedB32(c));
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| 152 | } while (--width != 0);
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| 153 | }
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| 154 |
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| 155 | static void ToColor_S565(SkColor dst[], const void* src, int width,
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| 156 | SkColorTable*) {
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| 157 | SkASSERT(width > 0);
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| 158 | const uint16_t* s = (const uint16_t*)src;
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| 159 | do {
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| 160 | uint16_t c = *s++;
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| 161 | *dst++ = SkColorSetRGB(SkPacked16ToR32(c), SkPacked16ToG32(c),
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| 162 | SkPacked16ToB32(c));
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| 163 | } while (--width != 0);
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| 164 | }
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| 165 |
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| 166 | static void ToColor_SI8_Alpha(SkColor dst[], const void* src, int width,
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| 167 | SkColorTable* ctable) {
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| 168 | SkASSERT(width > 0);
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| 169 | const uint8_t* s = (const uint8_t*)src;
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| 170 | const SkPMColor* colors = ctable->lockColors();
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| 171 | do {
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| 172 | *dst++ = SkUnPreMultiply::PMColorToColor(colors[*s++]);
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| 173 | } while (--width != 0);
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| 174 | ctable->unlockColors(false);
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| 175 | }
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| 176 |
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| 177 | static void ToColor_SI8_Opaque(SkColor dst[], const void* src, int width,
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| 178 | SkColorTable* ctable) {
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| 179 | SkASSERT(width > 0);
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| 180 | const uint8_t* s = (const uint8_t*)src;
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| 181 | const SkPMColor* colors = ctable->lockColors();
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| 182 | do {
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| 183 | SkPMColor c = colors[*s++];
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| 184 | *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c),
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| 185 | SkGetPackedB32(c));
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| 186 | } while (--width != 0);
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| 187 | ctable->unlockColors(false);
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| 188 | }
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| 189 |
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| 190 | // can return NULL
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| 191 | static ToColorProc ChooseToColorProc(const SkBitmap& src) {
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| 192 | switch (src.config()) {
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| 193 | case SkBitmap::kARGB_8888_Config:
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| 194 | return src.isOpaque() ? ToColor_S32_Opaque : ToColor_S32_Alpha;
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| 195 | case SkBitmap::kARGB_4444_Config:
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| 196 | return src.isOpaque() ? ToColor_S4444_Opaque : ToColor_S4444_Alpha;
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| 197 | case SkBitmap::kRGB_565_Config:
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| 198 | return ToColor_S565;
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| 199 | case SkBitmap::kIndex8_Config:
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| 200 | if (src.getColorTable() == NULL) {
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| 201 | return NULL;
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| 202 | }
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| 203 | return src.isOpaque() ? ToColor_SI8_Opaque : ToColor_SI8_Alpha;
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| 204 | default:
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| 205 | break;
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| 206 | }
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| 207 | return NULL;
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| 208 | }
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| 209 |
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| 210 | ///////////////////////////////////////////////////////////////////////////////
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| 211 | ///////////////////////////////////////////////////////////////////////////////
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| 212 |
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| 213 | static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors,
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| 214 | int offset, int stride, int width, int height,
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| 215 | SkBitmap::Config config, jboolean isMutable) {
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 216 | if (NULL != jColors) {
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| 217 | size_t n = env->GetArrayLength(jColors);
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| 218 | if (n < SkAbs32(stride) * (size_t)height) {
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| 219 | doThrowAIOOBE(env);
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| 220 | return NULL;
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| 221 | }
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| 222 | }
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| 223 |
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| 224 | SkBitmap bitmap;
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 225 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 226 | bitmap.setConfig(config, width, height);
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Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 227 |
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| 228 | jbyteArray buff = GraphicsJNI::allocateJavaPixelRef(env, &bitmap, NULL);
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| 229 | if (NULL == buff) {
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 230 | return NULL;
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| 231 | }
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| 232 |
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| 233 | if (jColors != NULL) {
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| 234 | GraphicsJNI::SetPixels(env, jColors, offset, stride,
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| 235 | 0, 0, width, height, bitmap);
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| 236 | }
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 237 |
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Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 238 | return GraphicsJNI::createBitmap(env, new SkBitmap(bitmap), buff, isMutable, NULL);
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 239 | }
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| 240 |
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| 241 | static jobject Bitmap_copy(JNIEnv* env, jobject, const SkBitmap* src,
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| 242 | SkBitmap::Config dstConfig, jboolean isMutable) {
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| 243 | SkBitmap result;
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Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 244 | JavaPixelAllocator allocator(env);
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 245 |
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| 246 | if (!src->copyTo(&result, dstConfig, &allocator)) {
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| 247 | return NULL;
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| 248 | }
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 249 |
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Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 250 | return GraphicsJNI::createBitmap(env, new SkBitmap(result), allocator.getStorageObj(), isMutable, NULL);
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 251 | }
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| 252 |
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| 253 | static void Bitmap_destructor(JNIEnv* env, jobject, SkBitmap* bitmap) {
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Romain Guy | 9aaa826 | 2010-09-08 15:15:43 -0700 | [diff] [blame] | 254 | #ifdef USE_OPENGL_RENDERER
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Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 255 | if (android::uirenderer::Caches::hasInstance()) {
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Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 256 | android::uirenderer::Caches::getInstance().resourceCache.destructor(bitmap);
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Chet Haase | 27f0b17 | 2010-10-22 08:52:33 -0700 | [diff] [blame] | 257 | return;
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Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 258 | }
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Chet Haase | 27f0b17 | 2010-10-22 08:52:33 -0700 | [diff] [blame] | 259 | #endif // USE_OPENGL_RENDERER
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 260 | delete bitmap;
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| 261 | }
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| 262 |
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| 263 | static void Bitmap_recycle(JNIEnv* env, jobject, SkBitmap* bitmap) {
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Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 264 | #ifdef USE_OPENGL_RENDERER
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| 265 | if (android::uirenderer::Caches::hasInstance()) {
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| 266 | android::uirenderer::Caches::getInstance().resourceCache.recycle(bitmap);
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Chet Haase | 27f0b17 | 2010-10-22 08:52:33 -0700 | [diff] [blame] | 267 | return;
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Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 268 | }
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Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 269 | #endif // USE_OPENGL_RENDERER
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Chet Haase | 27f0b17 | 2010-10-22 08:52:33 -0700 | [diff] [blame] | 270 | bitmap->setPixels(NULL, NULL);
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 271 | }
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| 272 |
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| 273 | // These must match the int values in Bitmap.java
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| 274 | enum JavaEncodeFormat {
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| 275 | kJPEG_JavaEncodeFormat = 0,
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| 276 | kPNG_JavaEncodeFormat = 1
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| 277 | };
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| 278 |
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| 279 | static bool Bitmap_compress(JNIEnv* env, jobject clazz, SkBitmap* bitmap,
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| 280 | int format, int quality,
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| 281 | jobject jstream, jbyteArray jstorage) {
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| 282 | SkImageEncoder::Type fm;
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| 283 |
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| 284 | switch (format) {
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| 285 | case kJPEG_JavaEncodeFormat:
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| 286 | fm = SkImageEncoder::kJPEG_Type;
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| 287 | break;
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| 288 | case kPNG_JavaEncodeFormat:
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| 289 | fm = SkImageEncoder::kPNG_Type;
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| 290 | break;
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| 291 | default:
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| 292 | return false;
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| 293 | }
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| 294 |
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| 295 | bool success = false;
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| 296 | SkWStream* strm = CreateJavaOutputStreamAdaptor(env, jstream, jstorage);
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| 297 | if (NULL != strm) {
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| 298 | SkImageEncoder* encoder = SkImageEncoder::Create(fm);
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| 299 | if (NULL != encoder) {
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| 300 | success = encoder->encodeStream(strm, *bitmap, quality);
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| 301 | delete encoder;
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| 302 | }
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| 303 | delete strm;
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| 304 | }
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| 305 | return success;
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| 306 | }
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| 307 |
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| 308 | static void Bitmap_erase(JNIEnv* env, jobject, SkBitmap* bitmap, jint color) {
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| 309 | bitmap->eraseColor(color);
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| 310 | }
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| 311 |
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| 312 | static int Bitmap_width(JNIEnv* env, jobject, SkBitmap* bitmap) {
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| 313 | return bitmap->width();
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| 314 | }
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| 315 |
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| 316 | static int Bitmap_height(JNIEnv* env, jobject, SkBitmap* bitmap) {
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| 317 | return bitmap->height();
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| 318 | }
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| 319 |
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| 320 | static int Bitmap_rowBytes(JNIEnv* env, jobject, SkBitmap* bitmap) {
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| 321 | return bitmap->rowBytes();
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| 322 | }
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| 323 |
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| 324 | static int Bitmap_config(JNIEnv* env, jobject, SkBitmap* bitmap) {
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| 325 | return bitmap->config();
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| 326 | }
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| 327 |
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Romain Guy | 0bbae08 | 2010-06-15 18:03:40 -0700 | [diff] [blame] | 328 | static int Bitmap_getGenerationId(JNIEnv* env, jobject, SkBitmap* bitmap) {
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| 329 | return bitmap->getGenerationID();
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| 330 | }
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| 331 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 332 | static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, SkBitmap* bitmap) {
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| 333 | return !bitmap->isOpaque();
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| 334 | }
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| 335 |
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Mike Reed | a78b0a2 | 2009-10-07 11:38:05 -0700 | [diff] [blame] | 336 | static void Bitmap_setHasAlpha(JNIEnv* env, jobject, SkBitmap* bitmap,
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| 337 | jboolean hasAlpha) {
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| 338 | bitmap->setIsOpaque(!hasAlpha);
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| 339 | }
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| 340 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 341 | ///////////////////////////////////////////////////////////////////////////////
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| 342 |
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| 343 | static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) {
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| 344 | if (parcel == NULL) {
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| 345 | SkDebugf("-------- unparcel parcel is NULL\n");
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| 346 | return NULL;
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| 347 | }
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 348 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 349 | android::Parcel* p = android::parcelForJavaObject(env, parcel);
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 350 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 351 | const bool isMutable = p->readInt32() != 0;
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| 352 | const SkBitmap::Config config = (SkBitmap::Config)p->readInt32();
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| 353 | const int width = p->readInt32();
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| 354 | const int height = p->readInt32();
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| 355 | const int rowBytes = p->readInt32();
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Dianne Hackborn | de0dfb7 | 2009-09-23 14:09:34 -0700 | [diff] [blame] | 356 | const int density = p->readInt32();
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 357 |
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The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 358 | if (SkBitmap::kARGB_8888_Config != config &&
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| 359 | SkBitmap::kRGB_565_Config != config &&
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| 360 | SkBitmap::kARGB_4444_Config != config &&
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| 361 | SkBitmap::kIndex8_Config != config &&
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| 362 | SkBitmap::kA8_Config != config) {
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| 363 | SkDebugf("Bitmap_createFromParcel unknown config: %d\n", config);
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| 364 | return NULL;
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| 365 | }
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| 366 |
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| 367 | SkBitmap* bitmap = new SkBitmap;
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| 368 |
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| 369 | bitmap->setConfig(config, width, height, rowBytes);
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| 370 |
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| 371 | SkColorTable* ctable = NULL;
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| 372 | if (config == SkBitmap::kIndex8_Config) {
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| 373 | int count = p->readInt32();
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| 374 | if (count > 0) {
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| 375 | size_t size = count * sizeof(SkPMColor);
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| 376 | const SkPMColor* src = (const SkPMColor*)p->readInplace(size);
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| 377 | ctable = new SkColorTable(src, count);
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| 378 | }
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| 379 | }
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Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 380 |
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Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 381 | jbyteArray buffer = GraphicsJNI::allocateJavaPixelRef(env, bitmap, ctable);
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| 382 | if (NULL == buffer) {
|
Derek Sollenberger | 6062c59 | 2011-02-22 13:55:04 -0500 | [diff] [blame] | 383 | SkSafeUnref(ctable);
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 384 | delete bitmap;
|
| 385 | return NULL;
|
| 386 | }
|
| 387 |
|
Derek Sollenberger | 6062c59 | 2011-02-22 13:55:04 -0500 | [diff] [blame] | 388 | SkSafeUnref(ctable);
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 389 |
|
| 390 | size_t size = bitmap->getSize();
|
| 391 | bitmap->lockPixels();
|
| 392 | memcpy(bitmap->getPixels(), p->readInplace(size), size);
|
| 393 | bitmap->unlockPixels();
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 394 |
|
Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 395 | return GraphicsJNI::createBitmap(env, bitmap, buffer, isMutable, NULL, density);
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 396 | }
|
| 397 |
|
| 398 | static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject,
|
| 399 | const SkBitmap* bitmap,
|
Dianne Hackborn | de0dfb7 | 2009-09-23 14:09:34 -0700 | [diff] [blame] | 400 | jboolean isMutable, jint density,
|
| 401 | jobject parcel) {
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 402 | if (parcel == NULL) {
|
| 403 | SkDebugf("------- writeToParcel null parcel\n");
|
| 404 | return false;
|
| 405 | }
|
| 406 |
|
| 407 | android::Parcel* p = android::parcelForJavaObject(env, parcel);
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 408 |
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 409 | p->writeInt32(isMutable);
|
| 410 | p->writeInt32(bitmap->config());
|
| 411 | p->writeInt32(bitmap->width());
|
| 412 | p->writeInt32(bitmap->height());
|
| 413 | p->writeInt32(bitmap->rowBytes());
|
Dianne Hackborn | de0dfb7 | 2009-09-23 14:09:34 -0700 | [diff] [blame] | 414 | p->writeInt32(density);
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 415 |
|
| 416 | if (bitmap->getConfig() == SkBitmap::kIndex8_Config) {
|
| 417 | SkColorTable* ctable = bitmap->getColorTable();
|
| 418 | if (ctable != NULL) {
|
| 419 | int count = ctable->count();
|
| 420 | p->writeInt32(count);
|
| 421 | memcpy(p->writeInplace(count * sizeof(SkPMColor)),
|
| 422 | ctable->lockColors(), count * sizeof(SkPMColor));
|
| 423 | ctable->unlockColors(false);
|
| 424 | } else {
|
| 425 | p->writeInt32(0); // indicate no ctable
|
| 426 | }
|
| 427 | }
|
| 428 |
|
| 429 | size_t size = bitmap->getSize();
|
| 430 | bitmap->lockPixels();
|
Jack Palevich | dee4cb0 | 2010-12-13 11:13:32 -0800 | [diff] [blame] | 431 | void* pDst = p->writeInplace(size);
|
| 432 |
|
| 433 | const void* pSrc = bitmap->getPixels();
|
| 434 |
|
| 435 | if (pSrc == NULL) {
|
| 436 | memset(pDst, 0, size);
|
| 437 | } else {
|
| 438 | memcpy(pDst, pSrc, size);
|
| 439 | }
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 440 | bitmap->unlockPixels();
|
| 441 | return true;
|
| 442 | }
|
| 443 |
|
| 444 | static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz,
|
| 445 | const SkBitmap* src, const SkPaint* paint,
|
| 446 | jintArray offsetXY) {
|
| 447 | SkIPoint offset;
|
| 448 | SkBitmap* dst = new SkBitmap;
|
Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 449 | JavaPixelAllocator allocator(env);
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 450 |
|
Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 451 | src->extractAlpha(dst, paint, &allocator, &offset);
|
Eric Hassold | ef7be26 | 2011-02-23 16:46:11 -0800 | [diff] [blame] | 452 | // If Skia can't allocate pixels for destination bitmap, it resets
|
| 453 | // it, that is set its pixels buffer to NULL, and zero width and height.
|
| 454 | if (dst->getPixels() == NULL && src->getPixels() != NULL) {
|
| 455 | delete dst;
|
| 456 | doThrowOOME(env, "failed to allocate pixels for alpha");
|
| 457 | return NULL;
|
| 458 | }
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 459 | if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) {
|
| 460 | int* array = env->GetIntArrayElements(offsetXY, NULL);
|
| 461 | array[0] = offset.fX;
|
| 462 | array[1] = offset.fY;
|
| 463 | env->ReleaseIntArrayElements(offsetXY, array, 0);
|
| 464 | }
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 465 |
|
Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 466 | return GraphicsJNI::createBitmap(env, dst, allocator.getStorageObj(), true, NULL);
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 467 | }
|
| 468 |
|
| 469 | ///////////////////////////////////////////////////////////////////////////////
|
| 470 |
|
| 471 | static int Bitmap_getPixel(JNIEnv* env, jobject, const SkBitmap* bitmap,
|
| 472 | int x, int y) {
|
| 473 | SkAutoLockPixels alp(*bitmap);
|
| 474 |
|
| 475 | ToColorProc proc = ChooseToColorProc(*bitmap);
|
| 476 | if (NULL == proc) {
|
| 477 | return 0;
|
| 478 | }
|
| 479 | const void* src = bitmap->getAddr(x, y);
|
| 480 | if (NULL == src) {
|
| 481 | return 0;
|
| 482 | }
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 483 |
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 484 | SkColor dst[1];
|
| 485 | proc(dst, src, 1, bitmap->getColorTable());
|
| 486 | return dst[0];
|
| 487 | }
|
| 488 |
|
| 489 | static void Bitmap_getPixels(JNIEnv* env, jobject, const SkBitmap* bitmap,
|
| 490 | jintArray pixelArray, int offset, int stride,
|
| 491 | int x, int y, int width, int height) {
|
| 492 | SkAutoLockPixels alp(*bitmap);
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 493 |
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 494 | ToColorProc proc = ChooseToColorProc(*bitmap);
|
| 495 | if (NULL == proc) {
|
| 496 | return;
|
| 497 | }
|
| 498 | const void* src = bitmap->getAddr(x, y);
|
| 499 | if (NULL == src) {
|
| 500 | return;
|
| 501 | }
|
| 502 |
|
| 503 | SkColorTable* ctable = bitmap->getColorTable();
|
| 504 | jint* dst = env->GetIntArrayElements(pixelArray, NULL);
|
| 505 | SkColor* d = (SkColor*)dst + offset;
|
| 506 | while (--height >= 0) {
|
| 507 | proc(d, src, width, ctable);
|
| 508 | d += stride;
|
| 509 | src = (void*)((const char*)src + bitmap->rowBytes());
|
| 510 | }
|
| 511 | env->ReleaseIntArrayElements(pixelArray, dst, 0);
|
| 512 | }
|
| 513 |
|
| 514 | ///////////////////////////////////////////////////////////////////////////////
|
| 515 |
|
| 516 | static void Bitmap_setPixel(JNIEnv* env, jobject, const SkBitmap* bitmap,
|
| 517 | int x, int y, SkColor color) {
|
| 518 | SkAutoLockPixels alp(*bitmap);
|
| 519 | if (NULL == bitmap->getPixels()) {
|
| 520 | return;
|
| 521 | }
|
| 522 |
|
| 523 | FromColorProc proc = ChooseFromColorProc(bitmap->config());
|
| 524 | if (NULL == proc) {
|
| 525 | return;
|
| 526 | }
|
| 527 |
|
| 528 | proc(bitmap->getAddr(x, y), &color, 1, x, y);
|
Romain Guy | 1a81aea | 2011-03-21 15:24:51 -0700 | [diff] [blame] | 529 | bitmap->notifyPixelsChanged();
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 530 | }
|
| 531 |
|
| 532 | static void Bitmap_setPixels(JNIEnv* env, jobject, const SkBitmap* bitmap,
|
| 533 | jintArray pixelArray, int offset, int stride,
|
| 534 | int x, int y, int width, int height) {
|
| 535 | GraphicsJNI::SetPixels(env, pixelArray, offset, stride,
|
| 536 | x, y, width, height, *bitmap);
|
| 537 | }
|
| 538 |
|
| 539 | static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject,
|
| 540 | const SkBitmap* bitmap, jobject jbuffer) {
|
| 541 | SkAutoLockPixels alp(*bitmap);
|
| 542 | const void* src = bitmap->getPixels();
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 543 |
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 544 | if (NULL != src) {
|
| 545 | android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE);
|
| 546 |
|
| 547 | // the java side has already checked that buffer is large enough
|
| 548 | memcpy(abp.pointer(), src, bitmap->getSize());
|
| 549 | }
|
| 550 | }
|
| 551 |
|
| 552 | static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject,
|
| 553 | const SkBitmap* bitmap, jobject jbuffer) {
|
| 554 | SkAutoLockPixels alp(*bitmap);
|
| 555 | void* dst = bitmap->getPixels();
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 556 |
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 557 | if (NULL != dst) {
|
| 558 | android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE);
|
| 559 | // the java side has already checked that buffer is large enough
|
| 560 | memcpy(dst, abp.pointer(), bitmap->getSize());
|
| 561 | }
|
| 562 | }
|
| 563 |
|
Mike Reed | 76d1e01 | 2010-03-05 17:42:30 -0500 | [diff] [blame] | 564 | static bool Bitmap_sameAs(JNIEnv* env, jobject, const SkBitmap* bm0,
|
| 565 | const SkBitmap* bm1) {
|
| 566 | if (bm0->width() != bm1->width() ||
|
| 567 | bm0->height() != bm1->height() ||
|
| 568 | bm0->config() != bm1->config()) {
|
| 569 | return false;
|
| 570 | }
|
| 571 |
|
| 572 | SkAutoLockPixels alp0(*bm0);
|
| 573 | SkAutoLockPixels alp1(*bm1);
|
| 574 |
|
| 575 | // if we can't load the pixels, return false
|
| 576 | if (NULL == bm0->getPixels() || NULL == bm1->getPixels()) {
|
| 577 | return false;
|
| 578 | }
|
| 579 |
|
| 580 | if (bm0->config() == SkBitmap::kIndex8_Config) {
|
| 581 | SkColorTable* ct0 = bm0->getColorTable();
|
| 582 | SkColorTable* ct1 = bm1->getColorTable();
|
| 583 | if (NULL == ct0 || NULL == ct1) {
|
| 584 | return false;
|
| 585 | }
|
| 586 | if (ct0->count() != ct1->count()) {
|
| 587 | return false;
|
| 588 | }
|
| 589 |
|
| 590 | SkAutoLockColors alc0(ct0);
|
| 591 | SkAutoLockColors alc1(ct1);
|
| 592 | const size_t size = ct0->count() * sizeof(SkPMColor);
|
| 593 | if (memcmp(alc0.colors(), alc1.colors(), size) != 0) {
|
| 594 | return false;
|
| 595 | }
|
| 596 | }
|
| 597 |
|
| 598 | // now compare each scanline. We can't do the entire buffer at once,
|
| 599 | // since we don't care about the pixel values that might extend beyond
|
| 600 | // the width (since the scanline might be larger than the logical width)
|
| 601 | const int h = bm0->height();
|
| 602 | const size_t size = bm0->width() * bm0->bytesPerPixel();
|
| 603 | for (int y = 0; y < h; y++) {
|
| 604 | if (memcmp(bm0->getAddr(0, y), bm1->getAddr(0, y), size) != 0) {
|
| 605 | return false;
|
| 606 | }
|
| 607 | }
|
| 608 | return true;
|
| 609 | }
|
| 610 |
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 611 | static void Bitmap_prepareToDraw(JNIEnv* env, jobject, SkBitmap* bitmap) {
|
| 612 | bitmap->lockPixels();
|
| 613 | bitmap->unlockPixels();
|
| 614 | }
|
| 615 |
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 616 | ///////////////////////////////////////////////////////////////////////////////
|
| 617 |
|
| 618 | #include <android_runtime/AndroidRuntime.h>
|
| 619 |
|
| 620 | static JNINativeMethod gBitmapMethods[] = {
|
| 621 | { "nativeCreate", "([IIIIIIZ)Landroid/graphics/Bitmap;",
|
| 622 | (void*)Bitmap_creator },
|
| 623 | { "nativeCopy", "(IIZ)Landroid/graphics/Bitmap;",
|
| 624 | (void*)Bitmap_copy },
|
| 625 | { "nativeDestructor", "(I)V", (void*)Bitmap_destructor },
|
| 626 | { "nativeRecycle", "(I)V", (void*)Bitmap_recycle },
|
| 627 | { "nativeCompress", "(IIILjava/io/OutputStream;[B)Z",
|
| 628 | (void*)Bitmap_compress },
|
| 629 | { "nativeErase", "(II)V", (void*)Bitmap_erase },
|
| 630 | { "nativeWidth", "(I)I", (void*)Bitmap_width },
|
| 631 | { "nativeHeight", "(I)I", (void*)Bitmap_height },
|
| 632 | { "nativeRowBytes", "(I)I", (void*)Bitmap_rowBytes },
|
| 633 | { "nativeConfig", "(I)I", (void*)Bitmap_config },
|
| 634 | { "nativeHasAlpha", "(I)Z", (void*)Bitmap_hasAlpha },
|
Mike Reed | a78b0a2 | 2009-10-07 11:38:05 -0700 | [diff] [blame] | 635 | { "nativeSetHasAlpha", "(IZ)V", (void*)Bitmap_setHasAlpha },
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 636 | { "nativeCreateFromParcel",
|
| 637 | "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;",
|
| 638 | (void*)Bitmap_createFromParcel },
|
Dianne Hackborn | de0dfb7 | 2009-09-23 14:09:34 -0700 | [diff] [blame] | 639 | { "nativeWriteToParcel", "(IZILandroid/os/Parcel;)Z",
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 640 | (void*)Bitmap_writeToParcel },
|
| 641 | { "nativeExtractAlpha", "(II[I)Landroid/graphics/Bitmap;",
|
| 642 | (void*)Bitmap_extractAlpha },
|
Romain Guy | 0bbae08 | 2010-06-15 18:03:40 -0700 | [diff] [blame] | 643 | { "nativeGenerationId", "(I)I", (void*)Bitmap_getGenerationId },
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 644 | { "nativeGetPixel", "(III)I", (void*)Bitmap_getPixel },
|
| 645 | { "nativeGetPixels", "(I[IIIIIII)V", (void*)Bitmap_getPixels },
|
| 646 | { "nativeSetPixel", "(IIII)V", (void*)Bitmap_setPixel },
|
| 647 | { "nativeSetPixels", "(I[IIIIIII)V", (void*)Bitmap_setPixels },
|
| 648 | { "nativeCopyPixelsToBuffer", "(ILjava/nio/Buffer;)V",
|
| 649 | (void*)Bitmap_copyPixelsToBuffer },
|
| 650 | { "nativeCopyPixelsFromBuffer", "(ILjava/nio/Buffer;)V",
|
Wei-Ta Chen | 8cdcb12 | 2009-06-18 19:14:38 +0800 | [diff] [blame] | 651 | (void*)Bitmap_copyPixelsFromBuffer },
|
Mike Reed | 76d1e01 | 2010-03-05 17:42:30 -0500 | [diff] [blame] | 652 | { "nativeSameAs", "(II)Z", (void*)Bitmap_sameAs },
|
| 653 | { "nativePrepareToDraw", "(I)V", (void*)Bitmap_prepareToDraw },
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 654 | };
|
| 655 |
|
| 656 | #define kClassPathName "android/graphics/Bitmap"
|
| 657 |
|
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 658 | int register_android_graphics_Bitmap(JNIEnv* env)
|
| 659 | {
|
| 660 | return android::AndroidRuntime::registerNativeMethods(env, kClassPathName,
|
| 661 | gBitmapMethods, SK_ARRAY_COUNT(gBitmapMethods));
|
| 662 | }
|