submodule/skia/docs/examples/Canvas_drawBitmapRect.cpp

   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=7d04932f2a259cc70d6e45cd25a6feb6
   5 REG_FIDDLE(Canvas_drawBitmapRect, 256, 64, false, 0) {
   6 void draw(SkCanvas* canvas) {
   7     uint8_t pixels[][8] = { { 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00},
   8                             { 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00},
   9                             { 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00},
  10                             { 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF},
  11                             { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
  12                             { 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00},
  13                             { 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00},
  14                             { 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00} };
  15     SkBitmap bitmap;
  16     bitmap.installPixels(SkImageInfo::MakeA8(8, 8),
  17             (void*) pixels, sizeof(pixels[0]));
  18     SkPaint paint;
  19     paint.setMaskFilter(SkMaskFilter::MakeBlur(kSolid_SkBlurStyle, 6));
  20     for (auto color : { SK_ColorRED, SK_ColorBLUE, 0xFF007F00} ) {
  21         paint.setColor(color);
  22         canvas->drawImageRect(bitmap.asImage(),
  23                               SkRect::MakeWH(8, 8), SkRect::MakeWH(32, 32),
  24                               SkSamplingOptions(), &paint,
  25                               SkCanvas::kStrict_SrcRectConstraint);
  26         canvas->translate(48, 0);
  27     }
  28 }
  29 }  // END FIDDLE