xref: /aosp_15_r20/external/skia/docs/examples/Canvas_translate.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_translate, 256, 128, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     SkPaint filledPaint;
7*c8dee2aaSAndroid Build Coastguard Worker     SkPaint outlinePaint;
8*c8dee2aaSAndroid Build Coastguard Worker     outlinePaint.setStyle(SkPaint::kStroke_Style);
9*c8dee2aaSAndroid Build Coastguard Worker     outlinePaint.setColor(SK_ColorBLUE);
10*c8dee2aaSAndroid Build Coastguard Worker     canvas->save();
11*c8dee2aaSAndroid Build Coastguard Worker     canvas->translate(50, 50);
12*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawCircle(28, 28, 15, outlinePaint);  // blue center: (50+28, 50+28)
13*c8dee2aaSAndroid Build Coastguard Worker     canvas->scale(2, 1/2.f);
14*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawCircle(28, 28, 15, filledPaint);   // black center: (50+(28*2), 50+(28/2))
15*c8dee2aaSAndroid Build Coastguard Worker     canvas->restore();
16*c8dee2aaSAndroid Build Coastguard Worker     filledPaint.setColor(SK_ColorGRAY);
17*c8dee2aaSAndroid Build Coastguard Worker     outlinePaint.setColor(SK_ColorRED);
18*c8dee2aaSAndroid Build Coastguard Worker     canvas->scale(2, 1/2.f);
19*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawCircle(28, 28, 15, outlinePaint);  // red center: (28*2, 28/2)
20*c8dee2aaSAndroid Build Coastguard Worker     canvas->translate(50, 50);
21*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawCircle(28, 28, 15, filledPaint);   // gray center: ((50+28)*2, (50+28)/2)
22*c8dee2aaSAndroid Build Coastguard Worker }
23*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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