Fix bitmap get/set pixels for ALPHA_8 (6260b225) · Commits · e / os / android_frameworks_base

core/jni/android/graphics/Bitmap.cpp

+21 −0

Original line number	Diff line number	Diff line
		@@ -475,6 +475,14 @@ static void FromColor_D4444_Raw(void* dst, const SkColor src[], int width,
		}
		}

		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()) {
		@@ -485,6 +493,8 @@ static FromColorProc ChooseFromColorProc(const SkBitmap& bitmap) {
		FromColor_D4444_Raw;
		case kRGB_565_SkColorType:
		return FromColor_D565;
		case kAlpha_8_SkColorType:
		return FromColor_DA8;
		default:
		break;
		}
		@@ -632,6 +642,15 @@ static void ToColor_SI8_Opaque(SkColor dst[], const void* src, int width,
		} 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, c, c, c);
		} while (--width != 0);
		}

		// can return NULL
		static ToColorProc ChooseToColorProc(const SkBitmap& src) {
		switch (src.colorType()) {
		@@ -673,6 +692,8 @@ static ToColorProc ChooseToColorProc(const SkBitmap& src) {
		default:
		return NULL;
		}
		case kAlpha_8_SkColorType:
		return ToColor_SA8;
		default:
		break;
		}