skia2/docs/examples/Canvas_kInitWithPrevious_SaveLayerFlag.cpp
Michael Ludwig a861106e49 Update docs and samplecode to use new image filter factories
Bug: skia:9280
Change-Id: I03ba9bf1cc952dec77664721fdb3a311f47f7e89
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230884
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-08-02 14:47:35 +00:00

23 lines
913 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 "tools/fiddle/examples.h"
// HASH=05db6a937225e8e31ae3481173d25dae
REG_FIDDLE(Canvas_kInitWithPrevious_SaveLayerFlag, 256, 160, false, 0) {
void draw(SkCanvas* canvas) {
SkPaint redPaint, bluePaint, scalePaint;
redPaint.setColor(SK_ColorRED);
canvas->drawCircle(21, 21, 8, redPaint);
bluePaint.setColor(SK_ColorBLUE);
canvas->drawCircle(31, 21, 8, bluePaint);
SkMatrix matrix;
matrix.setScale(4, 4);
scalePaint.setAlpha(0x40);
scalePaint.setImageFilter(
SkImageFilters::MatrixTransform(matrix, kNone_SkFilterQuality, nullptr));
SkCanvas::SaveLayerRec saveLayerRec(nullptr, &scalePaint,
SkCanvas::kInitWithPrevious_SaveLayerFlag);
canvas->saveLayer(saveLayerRec);
canvas->restore();
}
} // END FIDDLE