xref: /aosp_15_r20/external/skia/docs/examples/Image_makeNonTextureImage.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 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(Image_makeNonTextureImage, 256, 256, false, 5) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     auto dContext = GrAsDirectContext(canvas->recordingContext());
7*c8dee2aaSAndroid Build Coastguard Worker     if (!dContext) {
8*c8dee2aaSAndroid Build Coastguard Worker         return;
9*c8dee2aaSAndroid Build Coastguard Worker     }
10*c8dee2aaSAndroid Build Coastguard Worker 
11*c8dee2aaSAndroid Build Coastguard Worker     auto drawImage = [=](sk_sp<SkImage> image, const char* label) -> void {
12*c8dee2aaSAndroid Build Coastguard Worker         if (nullptr == image) {
13*c8dee2aaSAndroid Build Coastguard Worker             return;
14*c8dee2aaSAndroid Build Coastguard Worker         }
15*c8dee2aaSAndroid Build Coastguard Worker         SkPaint paint;
16*c8dee2aaSAndroid Build Coastguard Worker         paint.setAntiAlias(true);
17*c8dee2aaSAndroid Build Coastguard Worker         SkFont font = SkFont(fontMgr->matchFamilyStyle(nullptr, {}));
18*c8dee2aaSAndroid Build Coastguard Worker         sk_sp<SkImage> nonTexture(image->makeNonTextureImage());
19*c8dee2aaSAndroid Build Coastguard Worker         canvas->drawImage(nonTexture, 0, 0);
20*c8dee2aaSAndroid Build Coastguard Worker         canvas->drawString(label, 20, nonTexture->height() / 4, font, paint);
21*c8dee2aaSAndroid Build Coastguard Worker     };
22*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkImage> bitmapImage(source.asImage());
23*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkImage> textureImage(SkImages::BorrowTextureFrom(dContext,
24*c8dee2aaSAndroid Build Coastguard Worker                                                             backEndTexture,
25*c8dee2aaSAndroid Build Coastguard Worker                                                             kTopLeft_GrSurfaceOrigin,
26*c8dee2aaSAndroid Build Coastguard Worker                                                             kRGBA_8888_SkColorType,
27*c8dee2aaSAndroid Build Coastguard Worker                                                             kOpaque_SkAlphaType,
28*c8dee2aaSAndroid Build Coastguard Worker                                                             nullptr));
29*c8dee2aaSAndroid Build Coastguard Worker     drawImage(image, "image");
30*c8dee2aaSAndroid Build Coastguard Worker     canvas->translate(image->width(), 0);
31*c8dee2aaSAndroid Build Coastguard Worker     drawImage(bitmapImage, "source");
32*c8dee2aaSAndroid Build Coastguard Worker     canvas->translate(-image->width(), image->height());
33*c8dee2aaSAndroid Build Coastguard Worker     drawImage(textureImage, "backEndTexture");
34*c8dee2aaSAndroid Build Coastguard Worker }
35*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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