xref: /aosp_15_r20/external/skia/docs/examples/Canvas_drawVertices_2.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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_drawVertices_2, 256, 256, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     SkPaint paint;
7*c8dee2aaSAndroid Build Coastguard Worker     SkPoint points[] = { { 0, 0 }, { 250, 0 }, { 100, 100 }, { 0, 250 } };
8*c8dee2aaSAndroid Build Coastguard Worker     SkPoint texs[] = { { 0, 0 }, { 0, 250 }, { 250, 250 }, { 250, 0 } };
9*c8dee2aaSAndroid Build Coastguard Worker     SkColor colors[] = { SK_ColorRED, SK_ColorBLUE, SK_ColorYELLOW, SK_ColorCYAN };
10*c8dee2aaSAndroid Build Coastguard Worker     paint.setShader(SkGradientShader::MakeLinear(points, colors, nullptr, 4, SkTileMode::kClamp));
11*c8dee2aaSAndroid Build Coastguard Worker     auto vertices = SkVertices::MakeCopy(SkVertices::kTriangleFan_VertexMode,
12*c8dee2aaSAndroid Build Coastguard Worker             std::size(points), points, texs, colors);
13*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawVertices(vertices, SkBlendMode::kDarken, paint);
14*c8dee2aaSAndroid Build Coastguard Worker }
15*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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