skia2/docs/examples/draw_vertices.cpp
Hal Canary 6c8422c671 add more docs/examples from named fiddles.
ignore offscreen, srgb, and animated fiddles for now.

Change-Id: I923131b684865698e6cda138b004930e11f504d5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/263713
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
2020-01-14 19:22:26 +00:00

25 lines
925 B
C++

// Copyright 2020 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
REG_FIDDLE(draw_vertices, 256, 256, false, 6) {
// draw_vertices
void draw(SkCanvas* canvas) {
SkPaint p;
p.setAntiAlias(true);
SkPoint pts[3] = {{64, 32}, {0, 224}, {128, 224}};
SkColor colors[3] = {SK_ColorRED, SK_ColorBLUE, SK_ColorGREEN};
canvas->drawVertices(
SkVertices::MakeCopy(SkVertices::kTriangles_VertexMode, 3, pts, nullptr, colors),
SkBlendMode::kSrcOver, p);
canvas->translate(120, 0);
p.setShader(image->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat));
SkPoint texs[3] = {{0, 0}, {0, 128}, {64, 256}};
canvas->drawVertices(
SkVertices::MakeCopy(SkVertices::kTriangles_VertexMode, 3, pts, texs, nullptr),
SkBlendMode::kSrcOver, p);
}
} // END FIDDLE