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 REG_FIDDLE(ImageInfo_MakeS32, 256, 128, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 const int width = 256;
7 const int height = 32;
8 SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
9 SkColor gradColors[] = { 0xFFAA0055, 0xFF11CC88 };
10 SkPoint gradPoints[] = { { 0, 0 }, { width, 0 } };
11 SkPaint gradPaint;
12 gradPaint.setShader(SkGradientShader::MakeLinear(gradPoints, gradColors, nullptr,
13 std::size(gradColors), SkTileMode::kClamp));
14 SkBitmap bitmap;
15 bitmap.allocPixels(SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType));
16 SkCanvas offScreen(bitmap);
17 offScreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
18 canvas->drawImage(bitmap.asImage(), 0, 0);
19 bitmap.allocPixels(SkImageInfo::MakeS32(width, height, kPremul_SkAlphaType));
20 SkCanvas sRGBOffscreen(bitmap);
21 sRGBOffscreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
22 canvas->drawImage(bitmap.asImage(), 0, 48);
23 SkBitmap noColorSpaceBitmap;
24 noColorSpaceBitmap.setInfo(SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType));
25 noColorSpaceBitmap.setPixels(bitmap.getAddr(0, 0));
26 canvas->drawImage(noColorSpaceBitmap.asImage(), 0, 96);
27 }
28 } // END FIDDLE
29