Image_MakeFromPicture.cpp 1.1 KB

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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.
  3. #include "tools/fiddle/examples.h"
  4. // HASH=4aa2879b9e44dfd6648995326d2c4dcf
  5. REG_FIDDLE(Image_MakeFromPicture, 256, 256, false, 0) {
  6. void draw(SkCanvas* canvas) {
  7. SkPaint paint;
  8. SkPictureRecorder recorder;
  9. SkCanvas* recordingCanvas = recorder.beginRecording(50, 50);
  10. for (auto color : { SK_ColorRED, SK_ColorBLUE, 0xff007f00 } ) {
  11. paint.setColor(color);
  12. recordingCanvas->drawRect({10, 10, 30, 40}, paint);
  13. recordingCanvas->translate(10, 10);
  14. recordingCanvas->scale(1.2f, 1.4f);
  15. }
  16. sk_sp<SkPicture> playback = recorder.finishRecordingAsPicture();
  17. int x = 0, y = 0;
  18. for (auto alpha : { 70, 140, 210 } ) {
  19. paint.setAlpha(alpha);
  20. auto srgbColorSpace = SkColorSpace::MakeSRGB();
  21. sk_sp<SkImage> image = SkImage::MakeFromPicture(playback, {50, 50}, nullptr, &paint,
  22. SkImage::BitDepth::kU8, srgbColorSpace);
  23. canvas->drawImage(image, x, y);
  24. x += 70; y += 70;
  25. }
  26. }
  27. } // END FIDDLE