xref: /aosp_15_r20/external/skia/docs/examples/Matrix_mapRect_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(Matrix_mapRect_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     paint.setAntiAlias(true);
8*c8dee2aaSAndroid Build Coastguard Worker     SkMatrix matrix;
9*c8dee2aaSAndroid Build Coastguard Worker     matrix.setRotate(45, 128, 128);
10*c8dee2aaSAndroid Build Coastguard Worker     SkRect bounds = {40, 50, 190, 200};
11*c8dee2aaSAndroid Build Coastguard Worker     matrix.mapRect(&bounds);
12*c8dee2aaSAndroid Build Coastguard Worker     paint.setColor(SK_ColorGRAY);
13*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawRect(bounds, paint);
14*c8dee2aaSAndroid Build Coastguard Worker     canvas->concat(matrix);
15*c8dee2aaSAndroid Build Coastguard Worker     paint.setColor(SK_ColorRED);
16*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawRect({40, 50, 190, 200}, paint);
17*c8dee2aaSAndroid Build Coastguard Worker }
18*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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