| #define LOG_TAG "Bitmap" |
| #include "Bitmap.h" |
| |
| #include "GraphicBuffer.h" |
| #include "SkBitmap.h" |
| #include "SkPixelRef.h" |
| #include "SkImageEncoder.h" |
| #include "SkImageInfo.h" |
| #include "SkColor.h" |
| #include "SkColorPriv.h" |
| #include "SkColorSpace.h" |
| #include "SkColorSpaceXform.h" |
| #include "SkHalf.h" |
| #include "SkMatrix44.h" |
| #include "SkPM4f.h" |
| #include "SkPM4fPriv.h" |
| #include "GraphicsJNI.h" |
| #include "SkDither.h" |
| #include "SkUnPreMultiply.h" |
| #include "SkStream.h" |
| |
| #include <binder/Parcel.h> |
| #include "android_os_Parcel.h" |
| #include "android_util_Binder.h" |
| #include "android_nio_utils.h" |
| #include "CreateJavaOutputStreamAdaptor.h" |
| #include <hwui/Paint.h> |
| #include <hwui/Bitmap.h> |
| #include <renderthread/RenderProxy.h> |
| |
| #include "core_jni_helpers.h" |
| |
| #include <jni.h> |
| #include <string.h> |
| #include <memory> |
| #include <string> |
| |
| #define DEBUG_PARCEL 0 |
| #define ASHMEM_BITMAP_MIN_SIZE (128 * (1 << 10)) |
| |
| static jclass gBitmap_class; |
| static jfieldID gBitmap_nativePtr; |
| static jmethodID gBitmap_constructorMethodID; |
| static jmethodID gBitmap_reinitMethodID; |
| static jmethodID gBitmap_getAllocationByteCountMethodID; |
| |
| namespace android { |
| |
| class BitmapWrapper { |
| public: |
| BitmapWrapper(Bitmap* bitmap) |
| : mBitmap(bitmap) { } |
| |
| void freePixels() { |
| mInfo = mBitmap->info(); |
| mHasHardwareMipMap = mBitmap->hasHardwareMipMap(); |
| mAllocationSize = mBitmap->getAllocationByteCount(); |
| mRowBytes = mBitmap->rowBytes(); |
| mGenerationId = mBitmap->getGenerationID(); |
| mIsHardware = mBitmap->isHardware(); |
| mBitmap.reset(); |
| } |
| |
| bool valid() { |
| return mBitmap; |
| } |
| |
| Bitmap& bitmap() { |
| assertValid(); |
| return *mBitmap; |
| } |
| |
| void assertValid() { |
| LOG_ALWAYS_FATAL_IF(!valid(), "Error, cannot access an invalid/free'd bitmap here!"); |
| } |
| |
| void getSkBitmap(SkBitmap* outBitmap) { |
| assertValid(); |
| mBitmap->getSkBitmap(outBitmap); |
| } |
| |
| bool hasHardwareMipMap() { |
| if (mBitmap) { |
| return mBitmap->hasHardwareMipMap(); |
| } |
| return mHasHardwareMipMap; |
| } |
| |
| void setHasHardwareMipMap(bool hasMipMap) { |
| assertValid(); |
| mBitmap->setHasHardwareMipMap(hasMipMap); |
| } |
| |
| void setAlphaType(SkAlphaType alphaType) { |
| assertValid(); |
| mBitmap->setAlphaType(alphaType); |
| } |
| |
| const SkImageInfo& info() { |
| if (mBitmap) { |
| return mBitmap->info(); |
| } |
| return mInfo; |
| } |
| |
| size_t getAllocationByteCount() const { |
| if (mBitmap) { |
| return mBitmap->getAllocationByteCount(); |
| } |
| return mAllocationSize; |
| } |
| |
| size_t rowBytes() const { |
| if (mBitmap) { |
| return mBitmap->rowBytes(); |
| } |
| return mRowBytes; |
| } |
| |
| uint32_t getGenerationID() const { |
| if (mBitmap) { |
| return mBitmap->getGenerationID(); |
| } |
| return mGenerationId; |
| } |
| |
| bool isHardware() { |
| if (mBitmap) { |
| return mBitmap->isHardware(); |
| } |
| return mIsHardware; |
| } |
| |
| ~BitmapWrapper() { } |
| |
| private: |
| sk_sp<Bitmap> mBitmap; |
| SkImageInfo mInfo; |
| bool mHasHardwareMipMap; |
| size_t mAllocationSize; |
| size_t mRowBytes; |
| uint32_t mGenerationId; |
| bool mIsHardware; |
| }; |
| |
| // Convenience class that does not take a global ref on the pixels, relying |
| // on the caller already having a local JNI ref |
| class LocalScopedBitmap { |
| public: |
| explicit LocalScopedBitmap(jlong bitmapHandle) |
| : mBitmapWrapper(reinterpret_cast<BitmapWrapper*>(bitmapHandle)) {} |
| |
| BitmapWrapper* operator->() { |
| return mBitmapWrapper; |
| } |
| |
| void* pixels() { |
| return mBitmapWrapper->bitmap().pixels(); |
| } |
| |
| bool valid() { |
| return mBitmapWrapper && mBitmapWrapper->valid(); |
| } |
| |
| private: |
| BitmapWrapper* mBitmapWrapper; |
| }; |
| |
| namespace bitmap { |
| |
| // Assert that bitmap's SkAlphaType is consistent with isPremultiplied. |
| static void assert_premultiplied(const SkImageInfo& info, bool isPremultiplied) { |
| // kOpaque_SkAlphaType and kIgnore_SkAlphaType mean that isPremultiplied is |
| // irrelevant. This just tests to ensure that the SkAlphaType is not |
| // opposite of isPremultiplied. |
| if (isPremultiplied) { |
| SkASSERT(info.alphaType() != kUnpremul_SkAlphaType); |
| } else { |
| SkASSERT(info.alphaType() != kPremul_SkAlphaType); |
| } |
| } |
| |
| void reinitBitmap(JNIEnv* env, jobject javaBitmap, const SkImageInfo& info, |
| bool isPremultiplied) |
| { |
| // The caller needs to have already set the alpha type properly, so the |
| // native SkBitmap stays in sync with the Java Bitmap. |
| assert_premultiplied(info, isPremultiplied); |
| |
| env->CallVoidMethod(javaBitmap, gBitmap_reinitMethodID, |
| info.width(), info.height(), isPremultiplied); |
| } |
| |
| int getBitmapAllocationByteCount(JNIEnv* env, jobject javaBitmap) |
| { |
| return env->CallIntMethod(javaBitmap, gBitmap_getAllocationByteCountMethodID); |
| } |
| |
| jobject createBitmap(JNIEnv* env, Bitmap* bitmap, |
| int bitmapCreateFlags, jbyteArray ninePatchChunk, jobject ninePatchInsets, |
| int density) { |
| bool isMutable = bitmapCreateFlags & kBitmapCreateFlag_Mutable; |
| bool isPremultiplied = bitmapCreateFlags & kBitmapCreateFlag_Premultiplied; |
| // The caller needs to have already set the alpha type properly, so the |
| // native SkBitmap stays in sync with the Java Bitmap. |
| assert_premultiplied(bitmap->info(), isPremultiplied); |
| BitmapWrapper* bitmapWrapper = new BitmapWrapper(bitmap); |
| jobject obj = env->NewObject(gBitmap_class, gBitmap_constructorMethodID, |
| reinterpret_cast<jlong>(bitmapWrapper), bitmap->width(), bitmap->height(), density, |
| isMutable, isPremultiplied, ninePatchChunk, ninePatchInsets); |
| |
| if (env->ExceptionCheck() != 0) { |
| ALOGE("*** Uncaught exception returned from Java call!\n"); |
| env->ExceptionDescribe(); |
| } |
| return obj; |
| } |
| |
| void toSkBitmap(jlong bitmapHandle, SkBitmap* outBitmap) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| bitmap->getSkBitmap(outBitmap); |
| } |
| |
| Bitmap& toBitmap(JNIEnv* env, jobject bitmap) { |
| SkASSERT(env); |
| SkASSERT(bitmap); |
| SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class)); |
| jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr); |
| LocalScopedBitmap localBitmap(bitmapHandle); |
| return localBitmap->bitmap(); |
| } |
| |
| Bitmap& toBitmap(JNIEnv* env, jlong bitmapHandle) { |
| SkASSERT(env); |
| LocalScopedBitmap localBitmap(bitmapHandle); |
| return localBitmap->bitmap(); |
| } |
| |
| void imageInfo(JNIEnv* env, jobject bitmap, AndroidBitmapInfo* info) { |
| SkASSERT(info); |
| SkASSERT(env); |
| SkASSERT(bitmap); |
| SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class)); |
| jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr); |
| LocalScopedBitmap localBitmap(bitmapHandle); |
| |
| const SkImageInfo& imageInfo = localBitmap->info(); |
| info->width = imageInfo.width(); |
| info->height = imageInfo.height(); |
| info->stride = localBitmap->rowBytes(); |
| info->flags = 0; |
| switch (imageInfo.colorType()) { |
| case kN32_SkColorType: |
| info->format = ANDROID_BITMAP_FORMAT_RGBA_8888; |
| break; |
| case kRGB_565_SkColorType: |
| info->format = ANDROID_BITMAP_FORMAT_RGB_565; |
| break; |
| case kARGB_4444_SkColorType: |
| info->format = ANDROID_BITMAP_FORMAT_RGBA_4444; |
| break; |
| case kAlpha_8_SkColorType: |
| info->format = ANDROID_BITMAP_FORMAT_A_8; |
| break; |
| default: |
| info->format = ANDROID_BITMAP_FORMAT_NONE; |
| break; |
| } |
| } |
| |
| void* lockPixels(JNIEnv* env, jobject bitmap) { |
| SkASSERT(env); |
| SkASSERT(bitmap); |
| SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class)); |
| jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr); |
| |
| LocalScopedBitmap localBitmap(bitmapHandle); |
| if (!localBitmap->valid()) return nullptr; |
| |
| SkPixelRef& pixelRef = localBitmap->bitmap(); |
| if (!pixelRef.pixels()) { |
| return nullptr; |
| } |
| pixelRef.ref(); |
| return pixelRef.pixels(); |
| } |
| |
| bool unlockPixels(JNIEnv* env, jobject bitmap) { |
| SkASSERT(env); |
| SkASSERT(bitmap); |
| SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class)); |
| jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr); |
| |
| LocalScopedBitmap localBitmap(bitmapHandle); |
| if (!localBitmap->valid()) return false; |
| |
| SkPixelRef& pixelRef = localBitmap->bitmap(); |
| pixelRef.notifyPixelsChanged(); |
| pixelRef.unref(); |
| return true; |
| } |
| |
| } // namespace bitmap |
| |
| } // namespace android |
| |
| using namespace android; |
| using namespace android::bitmap; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Conversions to/from SkColor, for get/setPixels, and the create method, which |
| // is basically like setPixels |
| |
| typedef void (*FromColorProc)(void* dst, const SkColor src[], int width, |
| int x, int y); |
| |
| static void FromColor_F16(void* dst, const SkColor src[], int width, |
| int, int) { |
| uint64_t* d = (uint64_t*)dst; |
| |
| for (int i = 0; i < width; i++) { |
| *d++ = SkColor4f::FromColor(*src++).premul().toF16(); |
| } |
| } |
| |
| static void FromColor_F16_Raw(void* dst, const SkColor src[], int width, |
| int, int) { |
| uint64_t* d = (uint64_t*)dst; |
| |
| for (int i = 0; i < width; i++) { |
| const float* color = SkColor4f::FromColor(*src++).vec(); |
| uint16_t* scratch = reinterpret_cast<uint16_t*>(d++); |
| for (int i = 0; i < 4; ++i) { |
| scratch[i] = SkFloatToHalf(color[i]); |
| } |
| } |
| } |
| |
| static void FromColor_D32(void* dst, const SkColor src[], int width, |
| int, int) { |
| SkPMColor* d = (SkPMColor*)dst; |
| |
| for (int i = 0; i < width; i++) { |
| *d++ = SkPreMultiplyColor(*src++); |
| } |
| } |
| |
| static void FromColor_D32_Raw(void* dst, const SkColor src[], int width, |
| int, int) { |
| // Needed to thwart the unreachable code detection from clang. |
| static const bool sk_color_ne_zero = SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER; |
| |
| // SkColor's ordering may be different from SkPMColor |
| if (sk_color_ne_zero) { |
| memcpy(dst, src, width * sizeof(SkColor)); |
| return; |
| } |
| |
| // order isn't same, repack each pixel manually |
| SkPMColor* d = (SkPMColor*)dst; |
| for (int i = 0; i < width; i++) { |
| SkColor c = *src++; |
| *d++ = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), |
| SkColorGetG(c), SkColorGetB(c)); |
| } |
| } |
| |
| static void FromColor_D565(void* dst, const SkColor src[], int width, |
| int x, int y) { |
| uint16_t* d = (uint16_t*)dst; |
| |
| DITHER_565_SCAN(y); |
| for (int stop = x + width; x < stop; x++) { |
| SkColor c = *src++; |
| *d++ = SkDitherRGBTo565(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c), |
| DITHER_VALUE(x)); |
| } |
| } |
| |
| static void FromColor_D4444(void* dst, const SkColor src[], int width, |
| int x, int y) { |
| SkPMColor16* d = (SkPMColor16*)dst; |
| |
| DITHER_4444_SCAN(y); |
| for (int stop = x + width; x < stop; x++) { |
| SkPMColor pmc = SkPreMultiplyColor(*src++); |
| *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); |
| // *d++ = SkPixel32ToPixel4444(pmc); |
| } |
| } |
| |
| static void FromColor_D4444_Raw(void* dst, const SkColor src[], int width, |
| int x, int y) { |
| SkPMColor16* d = (SkPMColor16*)dst; |
| |
| DITHER_4444_SCAN(y); |
| for (int stop = x + width; x < stop; x++) { |
| SkColor c = *src++; |
| |
| // SkPMColor is used because the ordering is ARGB32, even though the target actually premultiplied |
| SkPMColor pmc = SkPackARGB32NoCheck(SkColorGetA(c), SkColorGetR(c), |
| SkColorGetG(c), SkColorGetB(c)); |
| *d++ = SkDitherARGB32To4444(pmc, DITHER_VALUE(x)); |
| // *d++ = SkPixel32ToPixel4444(pmc); |
| } |
| } |
| |
| static void FromColor_DA8(void* dst, const SkColor src[], int width, int x, int y) { |
| uint8_t* d = (uint8_t*)dst; |
| |
| for (int stop = x + width; x < stop; x++) { |
| *d++ = SkColorGetA(*src++); |
| } |
| } |
| |
| // can return NULL |
| static FromColorProc ChooseFromColorProc(const SkBitmap& bitmap) { |
| switch (bitmap.colorType()) { |
| case kN32_SkColorType: |
| return bitmap.alphaType() == kPremul_SkAlphaType ? FromColor_D32 : FromColor_D32_Raw; |
| case kARGB_4444_SkColorType: |
| return bitmap.alphaType() == kPremul_SkAlphaType ? FromColor_D4444 : |
| FromColor_D4444_Raw; |
| case kRGB_565_SkColorType: |
| return FromColor_D565; |
| case kAlpha_8_SkColorType: |
| return FromColor_DA8; |
| case kRGBA_F16_SkColorType: |
| return bitmap.alphaType() == kPremul_SkAlphaType ? FromColor_F16 : FromColor_F16_Raw; |
| default: |
| break; |
| } |
| return NULL; |
| } |
| |
| bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors, int srcOffset, int srcStride, |
| int x, int y, int width, int height, const SkBitmap& dstBitmap) { |
| void* dst = dstBitmap.getPixels(); |
| FromColorProc proc = ChooseFromColorProc(dstBitmap); |
| |
| if (NULL == dst || NULL == proc) { |
| return false; |
| } |
| |
| const jint* array = env->GetIntArrayElements(srcColors, NULL); |
| const SkColor* src = (const SkColor*)array + srcOffset; |
| |
| // reset to to actual choice from caller |
| dst = dstBitmap.getAddr(x, y); |
| |
| SkColorSpace* colorSpace = dstBitmap.colorSpace(); |
| if (dstBitmap.colorType() == kRGBA_F16_SkColorType || |
| GraphicsJNI::isColorSpaceSRGB(colorSpace)) { |
| // now copy/convert each scanline |
| for (int y = 0; y < height; y++) { |
| proc(dst, src, width, x, y); |
| src += srcStride; |
| dst = (char*)dst + dstBitmap.rowBytes(); |
| } |
| } else { |
| auto sRGB = SkColorSpace::MakeSRGB(); |
| auto xform = SkColorSpaceXform::New(sRGB.get(), colorSpace); |
| |
| std::unique_ptr<SkColor[]> row(new SkColor[width]); |
| |
| // now copy/convert each scanline |
| for (int y = 0; y < height; y++) { |
| memcpy(row.get(), src, sizeof(SkColor) * width); |
| xform->apply(SkColorSpaceXform::kBGRA_8888_ColorFormat, row.get(), |
| SkColorSpaceXform::kBGRA_8888_ColorFormat, row.get(), width, |
| SkAlphaType::kUnpremul_SkAlphaType); |
| |
| proc(dst, row.get(), width, x, y); |
| src += srcStride; |
| dst = (char*)dst + dstBitmap.rowBytes(); |
| } |
| } |
| |
| dstBitmap.notifyPixelsChanged(); |
| |
| env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array), JNI_ABORT); |
| return true; |
| } |
| |
| //////////////////// ToColor procs |
| |
| typedef void (*ToColorProc)(SkColor dst[], const void* src, int width, |
| SkColorTable*); |
| |
| static void ToColor_F16_Alpha(SkColor dst[], const void* src, int width, |
| SkColorTable*) { |
| SkASSERT(width > 0); |
| uint64_t* s = (uint64_t*)src; |
| do { |
| *dst++ = SkPM4f::FromF16((const uint16_t*) s++).unpremul().toSkColor(); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_F16_Raw(SkColor dst[], const void* src, int width, |
| SkColorTable*) { |
| SkASSERT(width > 0); |
| uint64_t* s = (uint64_t*)src; |
| do { |
| *dst++ = Sk4f_toS32(swizzle_rb(SkHalfToFloat_finite_ftz(*s++))); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_S32_Alpha(SkColor dst[], const void* src, int width, |
| SkColorTable*) { |
| SkASSERT(width > 0); |
| const SkPMColor* s = (const SkPMColor*)src; |
| do { |
| *dst++ = SkUnPreMultiply::PMColorToColor(*s++); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_S32_Raw(SkColor dst[], const void* src, int width, |
| SkColorTable*) { |
| SkASSERT(width > 0); |
| const SkPMColor* s = (const SkPMColor*)src; |
| do { |
| SkPMColor c = *s++; |
| *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| SkGetPackedG32(c), SkGetPackedB32(c)); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_S32_Opaque(SkColor dst[], const void* src, int width, |
| SkColorTable*) { |
| SkASSERT(width > 0); |
| const SkPMColor* s = (const SkPMColor*)src; |
| do { |
| SkPMColor c = *s++; |
| *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| SkGetPackedB32(c)); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_S4444_Alpha(SkColor dst[], const void* src, int width, |
| SkColorTable*) { |
| SkASSERT(width > 0); |
| const SkPMColor16* s = (const SkPMColor16*)src; |
| do { |
| *dst++ = SkUnPreMultiply::PMColorToColor(SkPixel4444ToPixel32(*s++)); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_S4444_Raw(SkColor dst[], const void* src, int width, |
| SkColorTable*) { |
| SkASSERT(width > 0); |
| const SkPMColor16* s = (const SkPMColor16*)src; |
| do { |
| SkPMColor c = SkPixel4444ToPixel32(*s++); |
| *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| SkGetPackedG32(c), SkGetPackedB32(c)); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_S4444_Opaque(SkColor dst[], const void* src, int width, |
| SkColorTable*) { |
| SkASSERT(width > 0); |
| const SkPMColor16* s = (const SkPMColor16*)src; |
| do { |
| SkPMColor c = SkPixel4444ToPixel32(*s++); |
| *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| SkGetPackedB32(c)); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_S565(SkColor dst[], const void* src, int width, |
| SkColorTable*) { |
| SkASSERT(width > 0); |
| const uint16_t* s = (const uint16_t*)src; |
| do { |
| uint16_t c = *s++; |
| *dst++ = SkColorSetRGB(SkPacked16ToR32(c), SkPacked16ToG32(c), |
| SkPacked16ToB32(c)); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_SI8_Alpha(SkColor dst[], const void* src, int width, |
| SkColorTable* ctable) { |
| SkASSERT(width > 0); |
| const uint8_t* s = (const uint8_t*)src; |
| const SkPMColor* colors = ctable->readColors(); |
| do { |
| *dst++ = SkUnPreMultiply::PMColorToColor(colors[*s++]); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_SI8_Raw(SkColor dst[], const void* src, int width, |
| SkColorTable* ctable) { |
| SkASSERT(width > 0); |
| const uint8_t* s = (const uint8_t*)src; |
| const SkPMColor* colors = ctable->readColors(); |
| do { |
| SkPMColor c = colors[*s++]; |
| *dst++ = SkColorSetARGB(SkGetPackedA32(c), SkGetPackedR32(c), |
| SkGetPackedG32(c), SkGetPackedB32(c)); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_SI8_Opaque(SkColor dst[], const void* src, int width, |
| SkColorTable* ctable) { |
| SkASSERT(width > 0); |
| const uint8_t* s = (const uint8_t*)src; |
| const SkPMColor* colors = ctable->readColors(); |
| do { |
| SkPMColor c = colors[*s++]; |
| *dst++ = SkColorSetRGB(SkGetPackedR32(c), SkGetPackedG32(c), |
| SkGetPackedB32(c)); |
| } while (--width != 0); |
| } |
| |
| static void ToColor_SA8(SkColor dst[], const void* src, int width, SkColorTable*) { |
| SkASSERT(width > 0); |
| const uint8_t* s = (const uint8_t*)src; |
| do { |
| uint8_t c = *s++; |
| *dst++ = SkColorSetARGB(c, 0, 0, 0); |
| } while (--width != 0); |
| } |
| |
| // can return NULL |
| static ToColorProc ChooseToColorProc(const SkBitmap& src) { |
| switch (src.colorType()) { |
| case kN32_SkColorType: |
| switch (src.alphaType()) { |
| case kOpaque_SkAlphaType: |
| return ToColor_S32_Opaque; |
| case kPremul_SkAlphaType: |
| return ToColor_S32_Alpha; |
| case kUnpremul_SkAlphaType: |
| return ToColor_S32_Raw; |
| default: |
| return NULL; |
| } |
| case kARGB_4444_SkColorType: |
| switch (src.alphaType()) { |
| case kOpaque_SkAlphaType: |
| return ToColor_S4444_Opaque; |
| case kPremul_SkAlphaType: |
| return ToColor_S4444_Alpha; |
| case kUnpremul_SkAlphaType: |
| return ToColor_S4444_Raw; |
| default: |
| return NULL; |
| } |
| case kRGB_565_SkColorType: |
| return ToColor_S565; |
| case kIndex_8_SkColorType: |
| if (src.getColorTable() == NULL) { |
| return NULL; |
| } |
| switch (src.alphaType()) { |
| case kOpaque_SkAlphaType: |
| return ToColor_SI8_Opaque; |
| case kPremul_SkAlphaType: |
| return ToColor_SI8_Alpha; |
| case kUnpremul_SkAlphaType: |
| return ToColor_SI8_Raw; |
| default: |
| return NULL; |
| } |
| case kAlpha_8_SkColorType: |
| return ToColor_SA8; |
| case kRGBA_F16_SkColorType: |
| switch (src.alphaType()) { |
| case kOpaque_SkAlphaType: |
| return ToColor_F16_Raw; |
| case kPremul_SkAlphaType: |
| return ToColor_F16_Alpha; |
| case kUnpremul_SkAlphaType: |
| return ToColor_F16_Raw; |
| default: |
| return NULL; |
| } |
| default: |
| break; |
| } |
| return NULL; |
| } |
| |
| static void ToF16_SA8(void* dst, const void* src, int width) { |
| SkASSERT(width > 0); |
| uint64_t* d = (uint64_t*)dst; |
| const uint8_t* s = (const uint8_t*)src; |
| |
| for (int i = 0; i < width; i++) { |
| uint8_t c = *s++; |
| SkPM4f a; |
| a.fVec[SkPM4f::R] = 0.0f; |
| a.fVec[SkPM4f::G] = 0.0f; |
| a.fVec[SkPM4f::B] = 0.0f; |
| a.fVec[SkPM4f::A] = c / 255.0f; |
| *d++ = a.toF16(); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static int getPremulBitmapCreateFlags(bool isMutable) { |
| int flags = android::bitmap::kBitmapCreateFlag_Premultiplied; |
| if (isMutable) flags |= android::bitmap::kBitmapCreateFlag_Mutable; |
| return flags; |
| } |
| |
| static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors, |
| jint offset, jint stride, jint width, jint height, |
| jint configHandle, jboolean isMutable, |
| jfloatArray xyzD50, jobject transferParameters) { |
| SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); |
| if (NULL != jColors) { |
| size_t n = env->GetArrayLength(jColors); |
| if (n < SkAbs32(stride) * (size_t)height) { |
| doThrowAIOOBE(env); |
| return NULL; |
| } |
| } |
| |
| // ARGB_4444 is a deprecated format, convert automatically to 8888 |
| if (colorType == kARGB_4444_SkColorType) { |
| colorType = kN32_SkColorType; |
| } |
| |
| SkBitmap bitmap; |
| sk_sp<SkColorSpace> colorSpace; |
| |
| if (colorType != kN32_SkColorType || xyzD50 == nullptr || transferParameters == nullptr) { |
| colorSpace = GraphicsJNI::colorSpaceForType(colorType); |
| } else { |
| SkColorSpaceTransferFn p = GraphicsJNI::getNativeTransferParameters(env, transferParameters); |
| SkMatrix44 xyzMatrix = GraphicsJNI::getNativeXYZMatrix(env, xyzD50); |
| colorSpace = SkColorSpace::MakeRGB(p, xyzMatrix); |
| } |
| |
| bitmap.setInfo(SkImageInfo::Make(width, height, colorType, kPremul_SkAlphaType, colorSpace)); |
| |
| sk_sp<Bitmap> nativeBitmap = Bitmap::allocateHeapBitmap(&bitmap, NULL); |
| if (!nativeBitmap) { |
| return NULL; |
| } |
| |
| if (jColors != NULL) { |
| GraphicsJNI::SetPixels(env, jColors, offset, stride, 0, 0, width, height, bitmap); |
| } |
| |
| return createBitmap(env, nativeBitmap.release(), getPremulBitmapCreateFlags(isMutable)); |
| } |
| |
| static bool bitmapCopyTo(SkBitmap* dst, SkColorType dstCT, const SkBitmap& src, |
| SkBitmap::Allocator* alloc) { |
| // Skia does not support copying from kAlpha8 to types that are not alpha only. |
| // We will handle this case here. |
| if (kAlpha_8_SkColorType == src.colorType() && kAlpha_8_SkColorType != dstCT) { |
| SkPixmap srcPixmap; |
| if (!src.peekPixels(&srcPixmap)) { |
| return false; |
| } |
| |
| SkImageInfo dstInfo = src.info().makeColorType(dstCT); |
| if (dstCT == kRGBA_F16_SkColorType) { |
| dstInfo = dstInfo.makeColorSpace(SkColorSpace::MakeSRGBLinear()); |
| } |
| if (!dst->setInfo(dstInfo)) { |
| return false; |
| } |
| if (!dst->tryAllocPixels(alloc, nullptr)) { |
| return false; |
| } |
| |
| switch (dstCT) { |
| case kRGBA_8888_SkColorType: |
| case kBGRA_8888_SkColorType: { |
| for (int y = 0; y < src.height(); y++) { |
| const uint8_t* srcRow = srcPixmap.addr8(0, y); |
| uint32_t* dstRow = dst->getAddr32(0, y); |
| ToColor_SA8(dstRow, srcRow, src.width(), nullptr); |
| } |
| return true; |
| } |
| case kRGB_565_SkColorType: { |
| for (int y = 0; y < src.height(); y++) { |
| uint16_t* dstRow = dst->getAddr16(0, y); |
| memset(dstRow, 0, sizeof(uint16_t) * src.width()); |
| } |
| return true; |
| } |
| case kRGBA_F16_SkColorType: { |
| for (int y = 0; y < src.height(); y++) { |
| const uint8_t* srcRow = srcPixmap.addr8(0, y); |
| void* dstRow = dst->getAddr(0, y); |
| ToF16_SA8(dstRow, srcRow, src.width()); |
| } |
| return true; |
| } |
| default: |
| return false; |
| } |
| } |
| |
| return src.copyTo(dst, dstCT, alloc); |
| } |
| |
| static jobject Bitmap_copy(JNIEnv* env, jobject, jlong srcHandle, |
| jint dstConfigHandle, jboolean isMutable) { |
| SkBitmap src; |
| reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src); |
| if (dstConfigHandle == GraphicsJNI::hardwareLegacyBitmapConfig()) { |
| sk_sp<Bitmap> bitmap(Bitmap::allocateHardwareBitmap(src)); |
| if (!bitmap.get()) { |
| return NULL; |
| } |
| return createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(isMutable)); |
| } |
| |
| SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle); |
| SkBitmap result; |
| HeapAllocator allocator; |
| |
| if (!bitmapCopyTo(&result, dstCT, src, &allocator)) { |
| return NULL; |
| } |
| auto bitmap = allocator.getStorageObjAndReset(); |
| return createBitmap(env, bitmap, getPremulBitmapCreateFlags(isMutable)); |
| } |
| |
| static Bitmap* Bitmap_copyAshmemImpl(JNIEnv* env, SkBitmap& src, SkColorType& dstCT) { |
| SkBitmap result; |
| |
| AshmemPixelAllocator allocator(env); |
| if (!bitmapCopyTo(&result, dstCT, src, &allocator)) { |
| return NULL; |
| } |
| auto bitmap = allocator.getStorageObjAndReset(); |
| bitmap->setImmutable(); |
| return bitmap; |
| } |
| |
| static jobject Bitmap_copyAshmem(JNIEnv* env, jobject, jlong srcHandle) { |
| SkBitmap src; |
| reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src); |
| SkColorType dstCT = src.colorType(); |
| auto bitmap = Bitmap_copyAshmemImpl(env, src, dstCT); |
| jobject ret = createBitmap(env, bitmap, getPremulBitmapCreateFlags(false)); |
| return ret; |
| } |
| |
| static jobject Bitmap_copyAshmemConfig(JNIEnv* env, jobject, jlong srcHandle, jint dstConfigHandle) { |
| SkBitmap src; |
| reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src); |
| SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle); |
| auto bitmap = Bitmap_copyAshmemImpl(env, src, dstCT); |
| jobject ret = createBitmap(env, bitmap, getPremulBitmapCreateFlags(false)); |
| return ret; |
| } |
| |
| static void Bitmap_destruct(BitmapWrapper* bitmap) { |
| delete bitmap; |
| } |
| |
| static jlong Bitmap_getNativeFinalizer(JNIEnv*, jobject) { |
| return static_cast<jlong>(reinterpret_cast<uintptr_t>(&Bitmap_destruct)); |
| } |
| |
| static jboolean Bitmap_recycle(JNIEnv* env, jobject, jlong bitmapHandle) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| bitmap->freePixels(); |
| return JNI_TRUE; |
| } |
| |
| static void Bitmap_reconfigure(JNIEnv* env, jobject clazz, jlong bitmapHandle, |
| jint width, jint height, jint configHandle, jboolean requestPremul) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| bitmap->assertValid(); |
| SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle); |
| |
| // ARGB_4444 is a deprecated format, convert automatically to 8888 |
| if (colorType == kARGB_4444_SkColorType) { |
| colorType = kN32_SkColorType; |
| } |
| size_t requestedSize = width * height * SkColorTypeBytesPerPixel(colorType); |
| if (requestedSize > bitmap->getAllocationByteCount()) { |
| // done in native as there's no way to get BytesPerPixel in Java |
| doThrowIAE(env, "Bitmap not large enough to support new configuration"); |
| return; |
| } |
| SkAlphaType alphaType; |
| if (bitmap->info().colorType() != kRGB_565_SkColorType |
| && bitmap->info().alphaType() == kOpaque_SkAlphaType) { |
| // If the original bitmap was set to opaque, keep that setting, unless it |
| // was 565, which is required to be opaque. |
| alphaType = kOpaque_SkAlphaType; |
| } else { |
| // Otherwise respect the premultiplied request. |
| alphaType = requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType; |
| } |
| bitmap->bitmap().reconfigure(SkImageInfo::Make(width, height, colorType, alphaType, |
| sk_ref_sp(bitmap->info().colorSpace()))); |
| } |
| |
| // These must match the int values in Bitmap.java |
| enum JavaEncodeFormat { |
| kJPEG_JavaEncodeFormat = 0, |
| kPNG_JavaEncodeFormat = 1, |
| kWEBP_JavaEncodeFormat = 2 |
| }; |
| |
| static jboolean Bitmap_compress(JNIEnv* env, jobject clazz, jlong bitmapHandle, |
| jint format, jint quality, |
| jobject jstream, jbyteArray jstorage) { |
| SkEncodedImageFormat fm; |
| switch (format) { |
| case kJPEG_JavaEncodeFormat: |
| fm = SkEncodedImageFormat::kJPEG; |
| break; |
| case kPNG_JavaEncodeFormat: |
| fm = SkEncodedImageFormat::kPNG; |
| break; |
| case kWEBP_JavaEncodeFormat: |
| fm = SkEncodedImageFormat::kWEBP; |
| break; |
| default: |
| return JNI_FALSE; |
| } |
| |
| LocalScopedBitmap bitmap(bitmapHandle); |
| if (!bitmap.valid()) { |
| return JNI_FALSE; |
| } |
| |
| std::unique_ptr<SkWStream> strm(CreateJavaOutputStreamAdaptor(env, jstream, jstorage)); |
| if (!strm.get()) { |
| return JNI_FALSE; |
| } |
| |
| SkBitmap skbitmap; |
| bitmap->getSkBitmap(&skbitmap); |
| return SkEncodeImage(strm.get(), skbitmap, fm, quality) ? JNI_TRUE : JNI_FALSE; |
| } |
| |
| static void Bitmap_erase(JNIEnv* env, jobject, jlong bitmapHandle, jint color) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| SkBitmap skBitmap; |
| bitmap->getSkBitmap(&skBitmap); |
| skBitmap.eraseColor(color); |
| } |
| |
| static jint Bitmap_rowBytes(JNIEnv* env, jobject, jlong bitmapHandle) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| return static_cast<jint>(bitmap->rowBytes()); |
| } |
| |
| static jint Bitmap_config(JNIEnv* env, jobject, jlong bitmapHandle) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| if (bitmap->isHardware()) { |
| return GraphicsJNI::hardwareLegacyBitmapConfig(); |
| } |
| return GraphicsJNI::colorTypeToLegacyBitmapConfig(bitmap->info().colorType()); |
| } |
| |
| static jint Bitmap_getGenerationId(JNIEnv* env, jobject, jlong bitmapHandle) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| return static_cast<jint>(bitmap->getGenerationID()); |
| } |
| |
| static jboolean Bitmap_isPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| if (bitmap->info().alphaType() == kPremul_SkAlphaType) { |
| return JNI_TRUE; |
| } |
| return JNI_FALSE; |
| } |
| |
| static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, jlong bitmapHandle) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| return !bitmap->info().isOpaque() ? JNI_TRUE : JNI_FALSE; |
| } |
| |
| static void Bitmap_setHasAlpha(JNIEnv* env, jobject, jlong bitmapHandle, |
| jboolean hasAlpha, jboolean requestPremul) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| if (hasAlpha) { |
| bitmap->setAlphaType( |
| requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType); |
| } else { |
| bitmap->setAlphaType(kOpaque_SkAlphaType); |
| } |
| } |
| |
| static void Bitmap_setPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle, |
| jboolean isPremul) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| if (!bitmap->info().isOpaque()) { |
| if (isPremul) { |
| bitmap->setAlphaType(kPremul_SkAlphaType); |
| } else { |
| bitmap->setAlphaType(kUnpremul_SkAlphaType); |
| } |
| } |
| } |
| |
| static jboolean Bitmap_hasMipMap(JNIEnv* env, jobject, jlong bitmapHandle) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| return bitmap->hasHardwareMipMap() ? JNI_TRUE : JNI_FALSE; |
| } |
| |
| static void Bitmap_setHasMipMap(JNIEnv* env, jobject, jlong bitmapHandle, |
| jboolean hasMipMap) { |
| LocalScopedBitmap bitmap(bitmapHandle); |
| bitmap->setHasHardwareMipMap(hasMipMap); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) { |
| if (parcel == NULL) { |
| SkDebugf("-------- unparcel parcel is NULL\n"); |
| return NULL; |
| } |
| |
| android::Parcel* p = android::parcelForJavaObject(env, parcel); |
| |
| const bool isMutable = p->readInt32() != 0; |
| const SkColorType colorType = (SkColorType)p->readInt32(); |
| const SkAlphaType alphaType = (SkAlphaType)p->readInt32(); |
| const uint32_t colorSpaceSize = p->readUint32(); |
| sk_sp<SkColorSpace> colorSpace; |
| if (kRGBA_F16_SkColorType == colorType) { |
| colorSpace = SkColorSpace::MakeSRGBLinear(); |
| } else if (colorSpaceSize > 0) { |
| colorSpace = SkColorSpace::Deserialize(p->readInplace(colorSpaceSize), colorSpaceSize); |
| } |
| const int width = p->readInt32(); |
| const int height = p->readInt32(); |
| const int rowBytes = p->readInt32(); |
| const int density = p->readInt32(); |
| |
| if (kN32_SkColorType != colorType && |
| kRGBA_F16_SkColorType != colorType && |
| kRGB_565_SkColorType != colorType && |
| kARGB_4444_SkColorType != colorType && |
| kIndex_8_SkColorType != colorType && |
| kAlpha_8_SkColorType != colorType) { |
| SkDebugf("Bitmap_createFromParcel unknown colortype: %d\n", colorType); |
| return NULL; |
| } |
| |
| std::unique_ptr<SkBitmap> bitmap(new SkBitmap); |
| if (!bitmap->setInfo(SkImageInfo::Make(width, height, colorType, alphaType, colorSpace), |
| rowBytes)) { |
| return NULL; |
| } |
| |
| sk_sp<SkColorTable> ctable = NULL; |
| if (colorType == kIndex_8_SkColorType) { |
| int count = p->readInt32(); |
| if (count < 0 || count > 256) { |
| // The data is corrupt, since SkColorTable enforces a value between 0 and 256, |
| // inclusive. |
| return NULL; |
| } |
| if (count > 0) { |
| size_t size = count * sizeof(SkPMColor); |
| const SkPMColor* src = (const SkPMColor*)p->readInplace(size); |
| if (src == NULL) { |
| return NULL; |
| } |
| ctable = SkColorTable::Make(src, count); |
| } |
| } |
| |
| // Read the bitmap blob. |
| size_t size = bitmap->getSize(); |
| android::Parcel::ReadableBlob blob; |
| android::status_t status = p->readBlob(size, &blob); |
| if (status) { |
| doThrowRE(env, "Could not read bitmap blob."); |
| return NULL; |
| } |
| |
| // Map the bitmap in place from the ashmem region if possible otherwise copy. |
| sk_sp<Bitmap> nativeBitmap; |
| if (blob.fd() >= 0 && (blob.isMutable() || !isMutable) && (size >= ASHMEM_BITMAP_MIN_SIZE)) { |
| #if DEBUG_PARCEL |
| ALOGD("Bitmap.createFromParcel: mapped contents of %s bitmap from %s blob " |
| "(fds %s)", |
| isMutable ? "mutable" : "immutable", |
| blob.isMutable() ? "mutable" : "immutable", |
| p->allowFds() ? "allowed" : "forbidden"); |
| #endif |
| // Dup the file descriptor so we can keep a reference to it after the Parcel |
| // is disposed. |
| int dupFd = dup(blob.fd()); |
| if (dupFd < 0) { |
| ALOGE("Error allocating dup fd. Error:%d", errno); |
| blob.release(); |
| doThrowRE(env, "Could not allocate dup blob fd."); |
| return NULL; |
| } |
| |
| // Map the pixels in place and take ownership of the ashmem region. |
| nativeBitmap = sk_sp<Bitmap>(GraphicsJNI::mapAshmemBitmap(env, bitmap.get(), |
| ctable.get(), dupFd, const_cast<void*>(blob.data()), size, !isMutable)); |
| if (!nativeBitmap) { |
| close(dupFd); |
| blob.release(); |
| doThrowRE(env, "Could not allocate ashmem pixel ref."); |
| return NULL; |
| } |
| |
| // Clear the blob handle, don't release it. |
| blob.clear(); |
| } else { |
| #if DEBUG_PARCEL |
| if (blob.fd() >= 0) { |
| ALOGD("Bitmap.createFromParcel: copied contents of mutable bitmap " |
| "from immutable blob (fds %s)", |
| p->allowFds() ? "allowed" : "forbidden"); |
| } else { |
| ALOGD("Bitmap.createFromParcel: copied contents from %s blob " |
| "(fds %s)", |
| blob.isMutable() ? "mutable" : "immutable", |
| p->allowFds() ? "allowed" : "forbidden"); |
| } |
| #endif |
| |
| // Copy the pixels into a new buffer. |
| nativeBitmap = Bitmap::allocateHeapBitmap(bitmap.get(), ctable); |
| if (!nativeBitmap) { |
| blob.release(); |
| doThrowRE(env, "Could not allocate java pixel ref."); |
| return NULL; |
| } |
| memcpy(bitmap->getPixels(), blob.data(), size); |
| |
| // Release the blob handle. |
| blob.release(); |
| } |
| |
| return createBitmap(env, nativeBitmap.release(), |
| getPremulBitmapCreateFlags(isMutable), NULL, NULL, density); |
| } |
| |
| static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject, |
| jlong bitmapHandle, |
| jboolean isMutable, jint density, |
| jobject parcel) { |
| if (parcel == NULL) { |
| SkDebugf("------- writeToParcel null parcel\n"); |
| return JNI_FALSE; |
| } |
| |
| android::Parcel* p = android::parcelForJavaObject(env, parcel); |
| SkBitmap bitmap; |
| |
| auto bitmapWrapper = reinterpret_cast<BitmapWrapper*>(bitmapHandle); |
| bitmapWrapper->getSkBitmap(&bitmap); |
| |
| p->writeInt32(isMutable); |
| p->writeInt32(bitmap.colorType()); |
| p->writeInt32(bitmap.alphaType()); |
| SkColorSpace* colorSpace = bitmap.colorSpace(); |
| if (colorSpace != nullptr && bitmap.colorType() != kRGBA_F16_SkColorType) { |
| sk_sp<SkData> data = colorSpace->serialize(); |
| size_t size = data->size(); |
| p->writeUint32(size); |
| if (size > 0) { |
| p->write(data->data(), size); |
| } |
| } else { |
| p->writeUint32(0); |
| } |
| p->writeInt32(bitmap.width()); |
| p->writeInt32(bitmap.height()); |
| p->writeInt32(bitmap.rowBytes()); |
| p->writeInt32(density); |
| |
| if (bitmap.colorType() == kIndex_8_SkColorType) { |
| // The bitmap needs to be locked to access its color table. |
| SkColorTable* ctable = bitmap.getColorTable(); |
| if (ctable != NULL) { |
| int count = ctable->count(); |
| p->writeInt32(count); |
| memcpy(p->writeInplace(count * sizeof(SkPMColor)), |
| ctable->readColors(), count * sizeof(SkPMColor)); |
| } else { |
| p->writeInt32(0); // indicate no ctable |
| } |
| } |
| |
| // Transfer the underlying ashmem region if we have one and it's immutable. |
| android::status_t status; |
| int fd = bitmapWrapper->bitmap().getAshmemFd(); |
| if (fd >= 0 && !isMutable && p->allowFds()) { |
| #if DEBUG_PARCEL |
| ALOGD("Bitmap.writeToParcel: transferring immutable bitmap's ashmem fd as " |
| "immutable blob (fds %s)", |
| p->allowFds() ? "allowed" : "forbidden"); |
| #endif |
| |
| status = p->writeDupImmutableBlobFileDescriptor(fd); |
| if (status) { |
| doThrowRE(env, "Could not write bitmap blob file descriptor."); |
| return JNI_FALSE; |
| } |
| return JNI_TRUE; |
| } |
| |
| // Copy the bitmap to a new blob. |
| bool mutableCopy = isMutable; |
| #if DEBUG_PARCEL |
| ALOGD("Bitmap.writeToParcel: copying %s bitmap into new %s blob (fds %s)", |
| isMutable ? "mutable" : "immutable", |
| mutableCopy ? "mutable" : "immutable", |
| p->allowFds() ? "allowed" : "forbidden"); |
| #endif |
| |
| size_t size = bitmap.getSize(); |
| android::Parcel::WritableBlob blob; |
| status = p->writeBlob(size, mutableCopy, &blob); |
| if (status) { |
| doThrowRE(env, "Could not copy bitmap to parcel blob."); |
| return JNI_FALSE; |
| } |
| |
| const void* pSrc = bitmap.getPixels(); |
| if (pSrc == NULL) { |
| memset(blob.data(), 0, size); |
| } else { |
| memcpy(blob.data(), pSrc, size); |
| } |
| |
| blob.release(); |
| return JNI_TRUE; |
| } |
| |
| static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz, |
| jlong srcHandle, jlong paintHandle, |
| jintArray offsetXY) { |
| SkBitmap src; |
| reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src); |
| const android::Paint* paint = reinterpret_cast<android::Paint*>(paintHandle); |
| SkIPoint offset; |
| SkBitmap dst; |
| HeapAllocator allocator; |
| |
| src.extractAlpha(&dst, paint, &allocator, &offset); |
| // If Skia can't allocate pixels for destination bitmap, it resets |
| // it, that is set its pixels buffer to NULL, and zero width and height. |
| if (dst.getPixels() == NULL && src.getPixels() != NULL) { |
| doThrowOOME(env, "failed to allocate pixels for alpha"); |
| return NULL; |
| } |
| if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) { |
| int* array = env->GetIntArrayElements(offsetXY, NULL); |
| array[0] = offset.fX; |
| array[1] = offset.fY; |
| env->ReleaseIntArrayElements(offsetXY, array, 0); |
| } |
| |
| return createBitmap(env, allocator.getStorageObjAndReset(), |
| getPremulBitmapCreateFlags(true)); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static jboolean Bitmap_isSRGB(JNIEnv* env, jobject, jlong bitmapHandle) { |
| LocalScopedBitmap bitmapHolder(bitmapHandle); |
| if (!bitmapHolder.valid()) return JNI_TRUE; |
| |
| SkColorSpace* colorSpace = bitmapHolder->info().colorSpace(); |
| return GraphicsJNI::isColorSpaceSRGB(colorSpace); |
| } |
| |
| static jboolean Bitmap_getColorSpace(JNIEnv* env, jobject, jlong bitmapHandle, |
| jfloatArray xyzArray, jfloatArray paramsArray) { |
| |
| LocalScopedBitmap bitmapHolder(bitmapHandle); |
| if (!bitmapHolder.valid()) return JNI_FALSE; |
| |
| SkColorSpace* colorSpace = bitmapHolder->info().colorSpace(); |
| if (colorSpace == nullptr) return JNI_FALSE; |
| |
| SkMatrix44 xyzMatrix(SkMatrix44::kUninitialized_Constructor); |
| if (!colorSpace->toXYZD50(&xyzMatrix)) return JNI_FALSE; |
| |
| jfloat* xyz = env->GetFloatArrayElements(xyzArray, NULL); |
| xyz[0] = xyzMatrix.getFloat(0, 0); |
| xyz[1] = xyzMatrix.getFloat(1, 0); |
| xyz[2] = xyzMatrix.getFloat(2, 0); |
| xyz[3] = xyzMatrix.getFloat(0, 1); |
| xyz[4] = xyzMatrix.getFloat(1, 1); |
| xyz[5] = xyzMatrix.getFloat(2, 1); |
| xyz[6] = xyzMatrix.getFloat(0, 2); |
| xyz[7] = xyzMatrix.getFloat(1, 2); |
| xyz[8] = xyzMatrix.getFloat(2, 2); |
| env->ReleaseFloatArrayElements(xyzArray, xyz, 0); |
| |
| SkColorSpaceTransferFn transferParams; |
| if (!colorSpace->isNumericalTransferFn(&transferParams)) return JNI_FALSE; |
| |
| jfloat* params = env->GetFloatArrayElements(paramsArray, NULL); |
| params[0] = transferParams.fA; |
| params[1] = transferParams.fB; |
| params[2] = transferParams.fC; |
| params[3] = transferParams.fD; |
| params[4] = transferParams.fE; |
| params[5] = transferParams.fF; |
| params[6] = transferParams.fG; |
| env->ReleaseFloatArrayElements(paramsArray, params, 0); |
| |
| return JNI_TRUE; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static jint Bitmap_getPixel(JNIEnv* env, jobject, jlong bitmapHandle, |
| jint x, jint y) { |
| SkBitmap bitmap; |
| reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); |
| |
| ToColorProc proc = ChooseToColorProc(bitmap); |
| if (NULL == proc) { |
| return 0; |
| } |
| const void* src = bitmap.getAddr(x, y); |
| if (NULL == src) { |
| return 0; |
| } |
| |
| SkColor dst[1]; |
| proc(dst, src, 1, bitmap.getColorTable()); |
| |
| SkColorSpace* colorSpace = bitmap.colorSpace(); |
| if (bitmap.colorType() != kRGBA_F16_SkColorType && |
| !GraphicsJNI::isColorSpaceSRGB(colorSpace)) { |
| auto sRGB = SkColorSpace::MakeSRGB(); |
| auto xform = SkColorSpaceXform::New(colorSpace, sRGB.get()); |
| xform->apply(SkColorSpaceXform::kBGRA_8888_ColorFormat, &dst[0], |
| SkColorSpaceXform::kBGRA_8888_ColorFormat, &dst[0], 1, |
| SkAlphaType::kUnpremul_SkAlphaType); |
| } |
| |
| return static_cast<jint>(dst[0]); |
| } |
| |
| static void Bitmap_getPixels(JNIEnv* env, jobject, jlong bitmapHandle, |
| jintArray pixelArray, jint offset, jint stride, |
| jint x, jint y, jint width, jint height) { |
| SkBitmap bitmap; |
| reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); |
| |
| ToColorProc proc = ChooseToColorProc(bitmap); |
| if (NULL == proc) { |
| return; |
| } |
| const void* src = bitmap.getAddr(x, y); |
| if (NULL == src) { |
| return; |
| } |
| |
| SkColorTable* ctable = bitmap.getColorTable(); |
| jint* dst = env->GetIntArrayElements(pixelArray, NULL); |
| SkColor* d = (SkColor*)dst + offset; |
| |
| SkColorSpace* colorSpace = bitmap.colorSpace(); |
| if (bitmap.colorType() == kRGBA_F16_SkColorType || |
| GraphicsJNI::isColorSpaceSRGB(colorSpace)) { |
| while (--height >= 0) { |
| proc(d, src, width, ctable); |
| d += stride; |
| src = (void*)((const char*)src + bitmap.rowBytes()); |
| } |
| } else { |
| auto sRGB = SkColorSpace::MakeSRGB(); |
| auto xform = SkColorSpaceXform::New(colorSpace, sRGB.get()); |
| |
| while (--height >= 0) { |
| proc(d, src, width, ctable); |
| |
| xform->apply(SkColorSpaceXform::kBGRA_8888_ColorFormat, d, |
| SkColorSpaceXform::kBGRA_8888_ColorFormat, d, width, |
| SkAlphaType::kUnpremul_SkAlphaType); |
| |
| d += stride; |
| src = (void*)((const char*)src + bitmap.rowBytes()); |
| } |
| } |
| |
| env->ReleaseIntArrayElements(pixelArray, dst, 0); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void Bitmap_setPixel(JNIEnv* env, jobject, jlong bitmapHandle, |
| jint x, jint y, jint colorHandle) { |
| SkBitmap bitmap; |
| reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); |
| SkColor color = static_cast<SkColor>(colorHandle); |
| if (NULL == bitmap.getPixels()) { |
| return; |
| } |
| |
| FromColorProc proc = ChooseFromColorProc(bitmap); |
| if (NULL == proc) { |
| return; |
| } |
| |
| SkColorSpace* colorSpace = bitmap.colorSpace(); |
| if (bitmap.colorType() != kRGBA_F16_SkColorType && |
| !GraphicsJNI::isColorSpaceSRGB(colorSpace)) { |
| auto sRGB = SkColorSpace::MakeSRGB(); |
| auto xform = SkColorSpaceXform::New(sRGB.get(), colorSpace); |
| xform->apply(SkColorSpaceXform::kBGRA_8888_ColorFormat, &color, |
| SkColorSpaceXform::kBGRA_8888_ColorFormat, &color, 1, |
| SkAlphaType::kUnpremul_SkAlphaType); |
| } |
| |
| proc(bitmap.getAddr(x, y), &color, 1, x, y); |
| bitmap.notifyPixelsChanged(); |
| } |
| |
| static void Bitmap_setPixels(JNIEnv* env, jobject, jlong bitmapHandle, |
| jintArray pixelArray, jint offset, jint stride, |
| jint x, jint y, jint width, jint height) { |
| SkBitmap bitmap; |
| reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); |
| GraphicsJNI::SetPixels(env, pixelArray, offset, stride, |
| x, y, width, height, bitmap); |
| } |
| |
| static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject, |
| jlong bitmapHandle, jobject jbuffer) { |
| SkBitmap bitmap; |
| reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); |
| const void* src = bitmap.getPixels(); |
| |
| if (NULL != src) { |
| android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE); |
| |
| // the java side has already checked that buffer is large enough |
| memcpy(abp.pointer(), src, bitmap.getSize()); |
| } |
| } |
| |
| static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject, |
| jlong bitmapHandle, jobject jbuffer) { |
| SkBitmap bitmap; |
| reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap); |
| void* dst = bitmap.getPixels(); |
| |
| if (NULL != dst) { |
| android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE); |
| // the java side has already checked that buffer is large enough |
| memcpy(dst, abp.pointer(), bitmap.getSize()); |
| bitmap.notifyPixelsChanged(); |
| } |
| } |
| |
| static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle, jlong bm1Handle) { |
| SkBitmap bm0; |
| SkBitmap bm1; |
| |
| LocalScopedBitmap bitmap0(bm0Handle); |
| LocalScopedBitmap bitmap1(bm1Handle); |
| |
| // Paying the price for making Hardware Bitmap as Config: |
| // later check for colorType will pass successfully, |
| // because Hardware Config internally may be RGBA8888 or smth like that. |
| if (bitmap0->isHardware() != bitmap1->isHardware()) { |
| return JNI_FALSE; |
| } |
| |
| bitmap0->bitmap().getSkBitmap(&bm0); |
| bitmap1->bitmap().getSkBitmap(&bm1); |
| if (bm0.width() != bm1.width() |
| || bm0.height() != bm1.height() |
| || bm0.colorType() != bm1.colorType() |
| || bm0.alphaType() != bm1.alphaType() |
| || !SkColorSpace::Equals(bm0.colorSpace(), bm1.colorSpace())) { |
| return JNI_FALSE; |
| } |
| |
| // if we can't load the pixels, return false |
| if (NULL == bm0.getPixels() || NULL == bm1.getPixels()) { |
| return JNI_FALSE; |
| } |
| |
| if (bm0.colorType() == kIndex_8_SkColorType) { |
| SkColorTable* ct0 = bm0.getColorTable(); |
| SkColorTable* ct1 = bm1.getColorTable(); |
| if (NULL == ct0 || NULL == ct1) { |
| return JNI_FALSE; |
| } |
| if (ct0->count() != ct1->count()) { |
| return JNI_FALSE; |
| } |
| |
| const size_t size = ct0->count() * sizeof(SkPMColor); |
| if (memcmp(ct0->readColors(), ct1->readColors(), size) != 0) { |
| return JNI_FALSE; |
| } |
| } |
| |
| // now compare each scanline. We can't do the entire buffer at once, |
| // since we don't care about the pixel values that might extend beyond |
| // the width (since the scanline might be larger than the logical width) |
| const int h = bm0.height(); |
| const size_t size = bm0.width() * bm0.bytesPerPixel(); |
| for (int y = 0; y < h; y++) { |
| // SkBitmap::getAddr(int, int) may return NULL due to unrecognized config |
| // (ex: kRLE_Index8_Config). This will cause memcmp method to crash. Since bm0 |
| // and bm1 both have pixel data() (have passed NULL == getPixels() check), |
| // those 2 bitmaps should be valid (only unrecognized), we return JNI_FALSE |
| // to warn user those 2 unrecognized config bitmaps may be different. |
| void *bm0Addr = bm0.getAddr(0, y); |
| void *bm1Addr = bm1.getAddr(0, y); |
| |
| if(bm0Addr == NULL || bm1Addr == NULL) { |
| return JNI_FALSE; |
| } |
| |
| if (memcmp(bm0Addr, bm1Addr, size) != 0) { |
| return JNI_FALSE; |
| } |
| } |
| return JNI_TRUE; |
| } |
| |
| static void Bitmap_prepareToDraw(JNIEnv* env, jobject, jlong bitmapPtr) { |
| LocalScopedBitmap bitmapHandle(bitmapPtr); |
| if (!bitmapHandle.valid()) return; |
| android::uirenderer::renderthread::RenderProxy::prepareToDraw(bitmapHandle->bitmap()); |
| } |
| |
| static jint Bitmap_getAllocationByteCount(JNIEnv* env, jobject, jlong bitmapPtr) { |
| LocalScopedBitmap bitmapHandle(bitmapPtr); |
| return static_cast<jint>(bitmapHandle->getAllocationByteCount()); |
| } |
| |
| static jobject Bitmap_copyPreserveInternalConfig(JNIEnv* env, jobject, jlong bitmapPtr) { |
| LocalScopedBitmap bitmapHandle(bitmapPtr); |
| LOG_ALWAYS_FATAL_IF(!bitmapHandle->isHardware(), |
| "Hardware config is only supported config in Bitmap_nativeCopyPreserveInternalConfig"); |
| Bitmap& hwuiBitmap = bitmapHandle->bitmap(); |
| SkBitmap src; |
| hwuiBitmap.getSkBitmap(&src); |
| |
| SkBitmap result; |
| HeapAllocator allocator; |
| if (!src.copyTo(&result, hwuiBitmap.info().colorType(), &allocator)) { |
| doThrowRE(env, "Could not copy a hardware bitmap."); |
| return NULL; |
| } |
| return createBitmap(env, allocator.getStorageObjAndReset(), getPremulBitmapCreateFlags(false)); |
| } |
| |
| static jobject Bitmap_createHardwareBitmap(JNIEnv* env, jobject, jobject graphicBuffer) { |
| sp<GraphicBuffer> buffer(graphicBufferForJavaObject(env, graphicBuffer)); |
| sk_sp<Bitmap> bitmap = Bitmap::createFrom(buffer); |
| if (!bitmap.get()) { |
| ALOGW("failed to create hardware bitmap from graphic buffer"); |
| return NULL; |
| } |
| return bitmap::createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(false)); |
| } |
| |
| static jobject Bitmap_createGraphicBufferHandle(JNIEnv* env, jobject, jlong bitmapPtr) { |
| LocalScopedBitmap bitmapHandle(bitmapPtr); |
| LOG_ALWAYS_FATAL_IF(!bitmapHandle->isHardware(), |
| "Hardware config is only supported config in Bitmap_getGraphicBuffer"); |
| |
| Bitmap& hwuiBitmap = bitmapHandle->bitmap(); |
| sp<GraphicBuffer> buffer(hwuiBitmap.graphicBuffer()); |
| return createJavaGraphicBuffer(env, buffer); |
| } |
| |
| static void Bitmap_copyColorSpace(JNIEnv* env, jobject, jlong srcBitmapPtr, jlong dstBitmapPtr) { |
| LocalScopedBitmap srcBitmapHandle(srcBitmapPtr); |
| LocalScopedBitmap dstBitmapHandle(dstBitmapPtr); |
| |
| dstBitmapHandle->bitmap().setColorSpace(srcBitmapHandle->bitmap().info().refColorSpace()); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static const JNINativeMethod gBitmapMethods[] = { |
| { "nativeCreate", "([IIIIIIZ[FLandroid/graphics/ColorSpace$Rgb$TransferParameters;)Landroid/graphics/Bitmap;", |
| (void*)Bitmap_creator }, |
| { "nativeCopy", "(JIZ)Landroid/graphics/Bitmap;", |
| (void*)Bitmap_copy }, |
| { "nativeCopyAshmem", "(J)Landroid/graphics/Bitmap;", |
| (void*)Bitmap_copyAshmem }, |
| { "nativeCopyAshmemConfig", "(JI)Landroid/graphics/Bitmap;", |
| (void*)Bitmap_copyAshmemConfig }, |
| { "nativeGetNativeFinalizer", "()J", (void*)Bitmap_getNativeFinalizer }, |
| { "nativeRecycle", "(J)Z", (void*)Bitmap_recycle }, |
| { "nativeReconfigure", "(JIIIZ)V", (void*)Bitmap_reconfigure }, |
| { "nativeCompress", "(JIILjava/io/OutputStream;[B)Z", |
| (void*)Bitmap_compress }, |
| { "nativeErase", "(JI)V", (void*)Bitmap_erase }, |
| { "nativeRowBytes", "(J)I", (void*)Bitmap_rowBytes }, |
| { "nativeConfig", "(J)I", (void*)Bitmap_config }, |
| { "nativeHasAlpha", "(J)Z", (void*)Bitmap_hasAlpha }, |
| { "nativeIsPremultiplied", "(J)Z", (void*)Bitmap_isPremultiplied}, |
| { "nativeSetHasAlpha", "(JZZ)V", (void*)Bitmap_setHasAlpha}, |
| { "nativeSetPremultiplied", "(JZ)V", (void*)Bitmap_setPremultiplied}, |
| { "nativeHasMipMap", "(J)Z", (void*)Bitmap_hasMipMap }, |
| { "nativeSetHasMipMap", "(JZ)V", (void*)Bitmap_setHasMipMap }, |
| { "nativeCreateFromParcel", |
| "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;", |
| (void*)Bitmap_createFromParcel }, |
| { "nativeWriteToParcel", "(JZILandroid/os/Parcel;)Z", |
| (void*)Bitmap_writeToParcel }, |
| { "nativeExtractAlpha", "(JJ[I)Landroid/graphics/Bitmap;", |
| (void*)Bitmap_extractAlpha }, |
| { "nativeGenerationId", "(J)I", (void*)Bitmap_getGenerationId }, |
| { "nativeGetPixel", "(JII)I", (void*)Bitmap_getPixel }, |
| { "nativeGetPixels", "(J[IIIIIII)V", (void*)Bitmap_getPixels }, |
| { "nativeSetPixel", "(JIII)V", (void*)Bitmap_setPixel }, |
| { "nativeSetPixels", "(J[IIIIIII)V", (void*)Bitmap_setPixels }, |
| { "nativeCopyPixelsToBuffer", "(JLjava/nio/Buffer;)V", |
| (void*)Bitmap_copyPixelsToBuffer }, |
| { "nativeCopyPixelsFromBuffer", "(JLjava/nio/Buffer;)V", |
| (void*)Bitmap_copyPixelsFromBuffer }, |
| { "nativeSameAs", "(JJ)Z", (void*)Bitmap_sameAs }, |
| { "nativePrepareToDraw", "(J)V", (void*)Bitmap_prepareToDraw }, |
| { "nativeGetAllocationByteCount", "(J)I", (void*)Bitmap_getAllocationByteCount }, |
| { "nativeCopyPreserveInternalConfig", "(J)Landroid/graphics/Bitmap;", |
| (void*)Bitmap_copyPreserveInternalConfig }, |
| { "nativeCreateHardwareBitmap", "(Landroid/graphics/GraphicBuffer;)Landroid/graphics/Bitmap;", |
| (void*) Bitmap_createHardwareBitmap }, |
| { "nativeCreateGraphicBufferHandle", "(J)Landroid/graphics/GraphicBuffer;", |
| (void*) Bitmap_createGraphicBufferHandle }, |
| { "nativeGetColorSpace", "(J[F[F)Z", (void*)Bitmap_getColorSpace }, |
| { "nativeIsSRGB", "(J)Z", (void*)Bitmap_isSRGB }, |
| { "nativeCopyColorSpace", "(JJ)V", |
| (void*)Bitmap_copyColorSpace }, |
| }; |
| |
| int register_android_graphics_Bitmap(JNIEnv* env) |
| { |
| gBitmap_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Bitmap")); |
| gBitmap_nativePtr = GetFieldIDOrDie(env, gBitmap_class, "mNativePtr", "J"); |
| gBitmap_constructorMethodID = GetMethodIDOrDie(env, gBitmap_class, "<init>", "(JIIIZZ[BLandroid/graphics/NinePatch$InsetStruct;)V"); |
| gBitmap_reinitMethodID = GetMethodIDOrDie(env, gBitmap_class, "reinit", "(IIZ)V"); |
| gBitmap_getAllocationByteCountMethodID = GetMethodIDOrDie(env, gBitmap_class, "getAllocationByteCount", "()I"); |
| return android::RegisterMethodsOrDie(env, "android/graphics/Bitmap", gBitmapMethods, |
| NELEM(gBitmapMethods)); |
| } |