skia2/docs/examples/Matrix_preTranslate.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-03-19 18:49:22 +00:00

29 lines
987 B
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "fiddle/examples.h"
// HASH=f75a9b629aa6c51ed888f8799b5ba5f7
REG_FIDDLE(Matrix_preTranslate, 256, 160, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
SkRect rect = {20, 20, 100, 100};
for (int i = 0; i < 2; ++i ) {
SkMatrix matrix;
i == 0 ? matrix.reset(): matrix.setRotate(25, rect.centerX(), 320);
{
SkAutoCanvasRestore acr(canvas, true);
canvas->concat(matrix);
paint.setColor(SK_ColorGRAY);
canvas->drawRect(rect, paint);
}
paint.setColor(SK_ColorRED);
for (int j = 0; j < 2; ++j ) {
SkAutoCanvasRestore acr(canvas, true);
matrix.preTranslate(40, 40);
canvas->concat(matrix);
canvas->drawCircle(0, 0, 3, paint);
}
}
}
} // END FIDDLE