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