4REG_FIDDLE(skpaint_color_table_filter, 256, 256,
false, 3) {
6 canvas->
scale(0.5, 0.5);
8 for (
int i = 0; i < 256; ++i) {
9 int x = (i - 96) * 255 / 64;
10 ct[i] = x < 0 ? 0 : x > 255 ? 255 :
x;
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
void scale(SkScalar sx, SkScalar sy)
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
static sk_sp< SkColorFilter > TableARGB(const uint8_t tableA[256], const uint8_t tableR[256], const uint8_t tableG[256], const uint8_t tableB[256])
#define REG_FIDDLE(NAME, W, H, TEXT, I)