xref: /aosp_15_r20/external/skia/docs/examples/Image_makeRasterImage.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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(Image_makeRasterImage, 256, 256, false, 5) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     auto dContext = GrAsDirectContext(canvas->recordingContext());
7     if (!dContext) {
8         return;
9     }
10 
11     auto drawImage = [=](sk_sp<SkImage> image, const char* label) -> void {
12         if (nullptr == image) {
13             return;
14         }
15         SkPaint paint;
16         paint.setAntiAlias(true);
17         SkFont font = SkFont(fontMgr->matchFamilyStyle(nullptr, {}));
18         sk_sp<SkImage> raster(image->makeRasterImage());
19         canvas->drawImage(raster, 0, 0);
20         canvas->drawString(label, 20, raster->height() / 4, font, paint);
21     };
22     sk_sp<SkImage> bitmapImage(source.asImage());
23     sk_sp<SkImage> textureImage(SkImages::BorrowTextureFrom(dContext,
24                                                             backEndTexture,
25                                                             kTopLeft_GrSurfaceOrigin,
26                                                             kRGBA_8888_SkColorType,
27                                                             kOpaque_SkAlphaType,
28                                                             nullptr));
29     drawImage(image, "image");
30     canvas->translate(image->width(), 0);
31     drawImage(bitmapImage, "source");
32     canvas->translate(-image->width(), image->height());
33     drawImage(textureImage, "backEndTexture");
34 }
35 }  // END FIDDLE
36