xref: /aosp_15_r20/external/skia/docs/examples/blurbug.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2020 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(blurbug, 256, 256, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     uint8_t pixels[][8] = {{0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00},
7*c8dee2aaSAndroid Build Coastguard Worker                            {0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00},
8*c8dee2aaSAndroid Build Coastguard Worker                            {0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00},
9*c8dee2aaSAndroid Build Coastguard Worker                            {0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF},
10*c8dee2aaSAndroid Build Coastguard Worker                            {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
11*c8dee2aaSAndroid Build Coastguard Worker                            {0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00},
12*c8dee2aaSAndroid Build Coastguard Worker                            {0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00},
13*c8dee2aaSAndroid Build Coastguard Worker                            {0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00}};
14*c8dee2aaSAndroid Build Coastguard Worker     SkBitmap bitmap;
15*c8dee2aaSAndroid Build Coastguard Worker     bitmap.installPixels(SkImageInfo::MakeA8(8, 8), (void*)pixels, sizeof(pixels[0]));
16*c8dee2aaSAndroid Build Coastguard Worker     SkPaint paint;
17*c8dee2aaSAndroid Build Coastguard Worker     paint.setMaskFilter(SkMaskFilter::MakeBlur(kSolid_SkBlurStyle, 3));
18*c8dee2aaSAndroid Build Coastguard Worker     for (auto color : {SK_ColorRED, SK_ColorBLUE, 0xFF007F00}) {
19*c8dee2aaSAndroid Build Coastguard Worker         paint.setColor(color);
20*c8dee2aaSAndroid Build Coastguard Worker         canvas->drawImageRect(bitmap.asImage(), SkRect::MakeWH(8, 8), SkRect::MakeWH(32, 32),
21*c8dee2aaSAndroid Build Coastguard Worker                               SkSamplingOptions(), &paint,
22*c8dee2aaSAndroid Build Coastguard Worker                               SkCanvas::kStrict_SrcRectConstraint);
23*c8dee2aaSAndroid Build Coastguard Worker         canvas->translate(48, 0);
24*c8dee2aaSAndroid Build Coastguard Worker     }
25*c8dee2aaSAndroid Build Coastguard Worker }
26*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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