7 auto debugster = [](
const char* prefix,
const SkBitmap&
b) ->
void {
8 const char* alphas[] = {
"Unknown",
"Opaque",
"Premul",
"Unpremul"};
9 const char* colors[] = {
"Unknown",
"Alpha_8",
"RGB_565",
"ARGB_4444",
"RGBA_8888",
"RGB_888x",
10 "BGRA_8888",
"RGBA_1010102",
"RGB_101010x",
"Gray_8",
"RGBA_F16Norm",
12 SkDebugf(
"%s width:%d height:%d colorType:k%s_SkColorType alphaType:k%s_SkAlphaType\n",
13 prefix,
b.width(),
b.height(), colors[
b.colorType()], alphas[
b.alphaType()]);
20 if (!two.tryAllocPixels(
24 for (
int index = 0; index < 2; ++index) {
25 debugster(
"one", one);
26 debugster(
"two", two);
@ kOpaque_SkAlphaType
pixel is opaque
@ kPremul_SkAlphaType
pixel components are premultiplied by alpha
@ kBGRA_8888_SkColorType
pixel with 8 bits for blue, green, red, alpha; in 32-bit word
@ kRGBA_8888_SkColorType
pixel with 8 bits for red, green, blue, alpha; in 32-bit word
void SK_SPI SkDebugf(const char format[],...) SK_PRINTF_LIKE(1
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
bool tryAllocPixels(const SkImageInfo &info, size_t rowBytes)
void swap(SkBitmap &other)
#define REG_FIDDLE(NAME, W, H, TEXT, I)
static SkImageInfo Make(int width, int height, SkColorType ct, SkAlphaType at)