xref: /aosp_15_r20/external/skia/docs/examples/Surface_MakeRenderTarget_2.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(Surface_MakeRenderTarget_2, 256, 256, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     auto test_draw = [](SkCanvas* surfaceCanvas) -> void {
7*c8dee2aaSAndroid Build Coastguard Worker         SkFont font(fontMgr->matchFamilyStyle(nullptr, {}), 32);
8*c8dee2aaSAndroid Build Coastguard Worker 
9*c8dee2aaSAndroid Build Coastguard Worker         SkPaint paint;
10*c8dee2aaSAndroid Build Coastguard Worker         paint.setAntiAlias(true);
11*c8dee2aaSAndroid Build Coastguard Worker         // TODO: where did this setting go?
12*c8dee2aaSAndroid Build Coastguard Worker         //paint.setLCDRenderText(true);
13*c8dee2aaSAndroid Build Coastguard Worker         paint.setColor(0xFFBBBBBB);
14*c8dee2aaSAndroid Build Coastguard Worker 
15*c8dee2aaSAndroid Build Coastguard Worker         surfaceCanvas->drawRect(SkRect::MakeWH(128, 64), paint);
16*c8dee2aaSAndroid Build Coastguard Worker         paint.setColor(SK_ColorWHITE);
17*c8dee2aaSAndroid Build Coastguard Worker         surfaceCanvas->drawString("Text", 0, 25, font, paint);
18*c8dee2aaSAndroid Build Coastguard Worker     };
19*c8dee2aaSAndroid Build Coastguard Worker     auto context = canvas->recordingContext();
20*c8dee2aaSAndroid Build Coastguard Worker     SkImageInfo info = SkImageInfo::MakeN32(128, 64, kOpaque_SkAlphaType);
21*c8dee2aaSAndroid Build Coastguard Worker     int y = 0;
22*c8dee2aaSAndroid Build Coastguard Worker     for (auto geometry : { kRGB_H_SkPixelGeometry, kBGR_H_SkPixelGeometry,
23*c8dee2aaSAndroid Build Coastguard Worker                            kRGB_V_SkPixelGeometry, kBGR_V_SkPixelGeometry } ) {
24*c8dee2aaSAndroid Build Coastguard Worker         SkSurfaceProps props(0, geometry);
25*c8dee2aaSAndroid Build Coastguard Worker         sk_sp<SkSurface> surface =
26*c8dee2aaSAndroid Build Coastguard Worker                 context ? SkSurfaces::RenderTarget(context, skgpu::Budgeted::kNo, info, 0, &props)
27*c8dee2aaSAndroid Build Coastguard Worker                         : SkSurfaces::Raster(info, &props);
28*c8dee2aaSAndroid Build Coastguard Worker         test_draw(surface->getCanvas());
29*c8dee2aaSAndroid Build Coastguard Worker         surface->draw(canvas, 0, y);
30*c8dee2aaSAndroid Build Coastguard Worker         sk_sp<SkImage> image(surface->makeImageSnapshot());
31*c8dee2aaSAndroid Build Coastguard Worker         SkAutoCanvasRestore acr(canvas, true);
32*c8dee2aaSAndroid Build Coastguard Worker         canvas->scale(8, 8);
33*c8dee2aaSAndroid Build Coastguard Worker         canvas->drawImage(image, 12, y / 8);
34*c8dee2aaSAndroid Build Coastguard Worker         y += 64;
35*c8dee2aaSAndroid Build Coastguard Worker     }
36*c8dee2aaSAndroid Build Coastguard Worker }
37*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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