#include "tools/fiddle/examples.h"
REG_FIDDLE(Canvas_drawPatch, 256, 256, false, 5) {
void draw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
SkPoint cubics[] = { { 3, 1 }, { 4, 2 }, { 5, 1 }, { 7, 3 },
{ 6, 4 }, { 7, 5 }, { 5, 7 },
{ 4, 6 }, { 3, 7 }, { 1, 5 },
{ 2, 4 }, { 1, 3 }, };
SkColor colors[] = { 0xbfff0000, 0xbf0000ff, 0xbfff00ff, 0xbf00ffff };
SkPoint texCoords[] = { { -30, -30 }, { 162, -30}, { 162, 162}, { -30, 162} };
paint.setShader(source.makeShader(SkSamplingOptions(SkFilterMode::kLinear)));
canvas->scale(15, 15);
for (auto blend : { SkBlendMode::kSrcOver, SkBlendMode::kModulate, SkBlendMode::kXor } ) {
canvas->drawPatch(cubics, colors, texCoords, blend, paint);
canvas->translate(4, 4);
}
}
}