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Issue 1728093005: Move Budgeted enum out of SkSurface, use in GrTextureProvider (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: add aliases for Chrome Created 4 years, 9 months ago
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1 Creating SkCanvas Objects 1 Creating SkCanvas Objects
2 ========================= 2 =========================
3 3
4 First, read about [the SkCanvas API](skcanvas). 4 First, read about [the SkCanvas API](skcanvas).
5 5
6 Skia has multiple backends which receive SkCanvas drawing commands, 6 Skia has multiple backends which receive SkCanvas drawing commands,
7 including: 7 including:
8 8
9 - [Raster](#raster) - CPU-only. 9 - [Raster](#raster) - CPU-only.
10 - [Ganesh](#ganesh) - Skia's GPU-accelerated backend. 10 - [Ganesh](#ganesh) - Skia's GPU-accelerated backend.
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83 #include "SkImage.h" 83 #include "SkImage.h"
84 #include "SkStream.h" 84 #include "SkStream.h"
85 #include "SkSurface.h" 85 #include "SkSurface.h"
86 void ganesh(int width, int height, 86 void ganesh(int width, int height,
87 void(*draw)(SkCanvas*), 87 void(*draw)(SkCanvas*),
88 const char* path) { 88 const char* path) {
89 GrContextFactory grFactory; 89 GrContextFactory grFactory;
90 GrContext* context = grFactory.get(GrContextFactory::kNative_GLContextTy pe); 90 GrContext* context = grFactory.get(GrContextFactory::kNative_GLContextTy pe);
91 SkImageInfo info = SkImageInfo:: MakeN32Premul(width, height); 91 SkImageInfo info = SkImageInfo:: MakeN32Premul(width, height);
92 SkAutoTUnref<SkSurface> gpuSurface( 92 SkAutoTUnref<SkSurface> gpuSurface(
93 SkSurface::NewRenderTarget(context, SkSurface::kNo_Budgeted, inf o)); 93 SkSurface::NewRenderTarget(context, SkBudgeted::kNo, info));
94 if (!gpuSurface) { 94 if (!gpuSurface) {
95 SkDebugf("SkSurface::NewRenderTarget returned null\n"); 95 SkDebugf("SkSurface::NewRenderTarget returned null\n");
96 return; 96 return;
97 } 97 }
98 SkCanvas* gpuCanvas = gpuSurface->getCanvas(); 98 SkCanvas* gpuCanvas = gpuSurface->getCanvas();
99 draw(gpuCanvas); 99 draw(gpuCanvas);
100 SkAutoTUnref<SkImage> img(s->newImageSnapshot()); 100 SkAutoTUnref<SkImage> img(s->newImageSnapshot());
101 if (!img) { return; } 101 if (!img) { return; }
102 SkAutoTUnref<SkData> png(img->encode()); 102 SkAutoTUnref<SkData> png(img->encode());
103 if (!png) { return; } 103 if (!png) { return; }
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241 canvas->clear(SK_ColorWHITE); 241 canvas->clear(SK_ColorWHITE);
242 canvas->translate(0.5f * scale, 0.5f * scale); 242 canvas->translate(0.5f * scale, 0.5f * scale);
243 canvas->drawPath(path, p); 243 canvas->drawPath(path, p);
244 } 244 }
245 DEF_TEST(FourBackends, r) { 245 DEF_TEST(FourBackends, r) {
246 raster( 256, 256, example, "out_raster.png" ); 246 raster( 256, 256, example, "out_raster.png" );
247 ganesh( 256, 256, example, "out_ganesh.png" ); 247 ganesh( 256, 256, example, "out_ganesh.png" );
248 skpdf( 256, 256, example, "out_skpdf.pdf" ); 248 skpdf( 256, 256, example, "out_skpdf.pdf" );
249 picture(256, 256, example, "out_picture.skp"); 249 picture(256, 256, example, "out_picture.skp");
250 } 250 }
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