1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(Canvas_drawPatch, 256, 256, false, 5) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker // SkBitmap source = cmbkygk;
7*c8dee2aaSAndroid Build Coastguard Worker SkPaint paint;
8*c8dee2aaSAndroid Build Coastguard Worker paint.setAntiAlias(true);
9*c8dee2aaSAndroid Build Coastguard Worker SkPoint cubics[] = { { 3, 1 }, { 4, 2 }, { 5, 1 }, { 7, 3 },
10*c8dee2aaSAndroid Build Coastguard Worker /* { 7, 3 }, */ { 6, 4 }, { 7, 5 }, { 5, 7 },
11*c8dee2aaSAndroid Build Coastguard Worker /* { 5, 7 }, */ { 4, 6 }, { 3, 7 }, { 1, 5 },
12*c8dee2aaSAndroid Build Coastguard Worker /* { 1, 5 }, */ { 2, 4 }, { 1, 3 }, /* { 3, 1 } */ };
13*c8dee2aaSAndroid Build Coastguard Worker SkColor colors[] = { 0xbfff0000, 0xbf0000ff, 0xbfff00ff, 0xbf00ffff };
14*c8dee2aaSAndroid Build Coastguard Worker SkPoint texCoords[] = { { -30, -30 }, { 162, -30}, { 162, 162}, { -30, 162} };
15*c8dee2aaSAndroid Build Coastguard Worker paint.setShader(source.makeShader(SkSamplingOptions(SkFilterMode::kLinear)));
16*c8dee2aaSAndroid Build Coastguard Worker canvas->scale(15, 15);
17*c8dee2aaSAndroid Build Coastguard Worker for (auto blend : { SkBlendMode::kSrcOver, SkBlendMode::kModulate, SkBlendMode::kXor } ) {
18*c8dee2aaSAndroid Build Coastguard Worker canvas->drawPatch(cubics, colors, texCoords, blend, paint);
19*c8dee2aaSAndroid Build Coastguard Worker canvas->translate(4, 4);
20*c8dee2aaSAndroid Build Coastguard Worker }
21*c8dee2aaSAndroid Build Coastguard Worker }
22*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE
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