Flutter Engine
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Canvas_drawAtlas.cpp
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1// Copyright 2019 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
4// HASH=1df575f9b8132306ce0552a2554ed132
5REG_FIDDLE(Canvas_drawAtlas, 256, 256, false, 3) {
6void draw(SkCanvas* canvas) {
7 // SkBitmap source = mandrill;
8 SkRSXform xforms[] = { { .5f, 0, 0, 0 }, {0, .5f, 200, 100 } };
9 SkRect tex[] = { { 0, 0, 250, 250 }, { 0, 0, 250, 250 } };
10 SkColor colors[] = { 0x7f55aa00, 0x7f3333bf };
11 const SkImage* imagePtr = image.get();
12 SkSamplingOptions sampling;
13 canvas->drawAtlas(imagePtr, xforms, tex, colors, 2, SkBlendMode::kSrcOver,
14 sampling, nullptr, nullptr);
15}
16} // END FIDDLE
@ kSrcOver
r = s + (1-sa)*d
uint32_t SkColor
Definition SkColor.h:37
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition aaclip.cpp:27
void drawAtlas(const SkImage *atlas, const SkRSXform xform[], const SkRect tex[], const SkColor colors[], int count, SkBlendMode mode, const SkSamplingOptions &sampling, const SkRect *cullRect, const SkPaint *paint)
T * get() const
Definition SkRefCnt.h:303
sk_sp< SkImage > image
Definition examples.cpp:29
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60