Pixmap_shiftPerPixel.cpp 1.9 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=bf31ee140e2c163c3957276e6d4c4f0c
  5. REG_FIDDLE(Pixmap_shiftPerPixel, 256, 256, true, 0) {
  6. const char* color_type(SkColorType ct) {
  7. switch (ct) {
  8. case kUnknown_SkColorType: return "Unknown";
  9. case kAlpha_8_SkColorType: return "Alpha_8";
  10. case kRGB_565_SkColorType: return "RGB_565";
  11. case kARGB_4444_SkColorType: return "ARGB_4444";
  12. case kRGBA_8888_SkColorType: return "RGBA_8888";
  13. case kRGB_888x_SkColorType: return "RGB_888x";
  14. case kBGRA_8888_SkColorType: return "BGRA_8888";
  15. case kRGBA_1010102_SkColorType: return "RGBA_1010102";
  16. case kRGB_101010x_SkColorType: return "RGB_101010x";
  17. case kGray_8_SkColorType: return "Gray_8";
  18. case kRGBA_F16Norm_SkColorType: return "RGBA_F16Norm";
  19. case kRGBA_F16_SkColorType: return "RGBA_F16";
  20. case kRGBA_F32_SkColorType: return "RGBA_F32";
  21. default: SkASSERT(false); return nullptr;
  22. }
  23. }
  24. void draw(SkCanvas* canvas) {
  25. SkImageInfo info = SkImageInfo::MakeA8(1, 1);
  26. for (SkColorType colorType : { kUnknown_SkColorType, kAlpha_8_SkColorType,
  27. kRGB_565_SkColorType, kARGB_4444_SkColorType,
  28. kRGBA_8888_SkColorType, kBGRA_8888_SkColorType,
  29. kGray_8_SkColorType, kRGBA_F16_SkColorType } ) {
  30. SkPixmap pixmap(info.makeColorType(colorType), nullptr, 4);
  31. SkDebugf("color: k" "%s" "_SkColorType" "%*s" "bytesPerPixel: %d shiftPerPixel: %d\n",
  32. color_type(colorType), 10 - strlen(color_type(colorType)), " ",
  33. pixmap.info().bytesPerPixel(), pixmap.shiftPerPixel());
  34. }
  35. }
  36. } // END FIDDLE