Surface_MakeRasterN32Premul.cpp 1011 B

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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=b932a2bd68455fb0af2e7a1ed19e36b3
  5. REG_FIDDLE(Surface_MakeRasterN32Premul, 256, 256, true, 0) {
  6. void draw(SkCanvas* ) {
  7. sk_sp<SkSurface> surface(SkSurface::MakeRasterN32Premul(3, 3));
  8. SkCanvas* canvas = surface->getCanvas();
  9. canvas->clear(SK_ColorWHITE);
  10. SkPixmap pixmap;
  11. if (surface->peekPixels(&pixmap)) {
  12. const uint32_t* colorPtr = pixmap.addr32();
  13. SkPMColor pmWhite = colorPtr[0];
  14. SkPaint paint;
  15. canvas->drawPoint(1, 1, paint);
  16. canvas->flush(); // ensure that point was drawn
  17. for (int y = 0; y < surface->height(); ++y) {
  18. for (int x = 0; x < surface->width(); ++x) {
  19. SkDebugf("%c", colorPtr[x] == pmWhite ? '-' : 'x');
  20. }
  21. colorPtr += surface->width();
  22. SkDebugf("\n");
  23. }
  24. }
  25. }
  26. } // END FIDDLE