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| 1 /* | |
| 2 * Copyright 2014 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #include "gm.h" | |
| 9 #include "SkGradientShader.h" | |
| 10 #include "SkSurface.h" | |
| 11 #include "SkSurfaceProps.h" | |
| 12 | |
| 13 #define W 200 | |
| 14 #define H 100 | |
| 15 | |
| 16 static SkShader* make_shader() { | |
| 17 int a = 0x99; | |
| 18 int b = 0xBB; | |
| 19 SkPoint pts[] = { { 0, 0 }, { W, H } }; | |
| 20 SkColor colors[] = { SkColorSetRGB(a, a, a), SkColorSetRGB(b, b, b) }; | |
| 21 return SkGradientShader::CreateLinear(pts, colors, NULL, 2, SkShader::kClamp
_TileMode); | |
| 22 } | |
| 23 | |
| 24 static SkSurface* make_surface(GrContext* ctx, const SkImageInfo& info, SkPixelG
eometry geo, | |
| 25 int disallowAA, int disallowDither) { | |
| 26 uint32_t flags = 0; | |
| 27 if (disallowAA) { | |
| 28 flags |= SkSurfaceProps::kDisallowAntiAlias_Flag; | |
| 29 } | |
| 30 if (disallowDither) { | |
| 31 flags |= SkSurfaceProps::kDisallowDither_Flag; | |
| 32 } | |
| 33 | |
| 34 SkSurfaceProps props(flags, geo); | |
| 35 if (ctx) { | |
| 36 return SkSurface::NewRenderTarget(ctx, info, 0, &props); | |
| 37 } else { | |
| 38 return SkSurface::NewRaster(info, &props); | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 static void test_draw(SkCanvas* canvas, const char label[]) { | |
| 43 SkPaint paint; | |
| 44 | |
| 45 paint.setAntiAlias(true); | |
| 46 paint.setLCDRenderText(true); | |
| 47 paint.setDither(true); | |
| 48 | |
| 49 paint.setShader(make_shader())->unref(); | |
| 50 canvas->drawRect(SkRect::MakeWH(W, H), paint); | |
| 51 paint.setShader(NULL); | |
| 52 | |
| 53 paint.setColor(SK_ColorWHITE); | |
| 54 paint.setTextSize(32); | |
| 55 paint.setTextAlign(SkPaint::kCenter_Align); | |
| 56 canvas->drawText(label, strlen(label), W / 2, H * 3 / 4, paint); | |
| 57 } | |
| 58 | |
| 59 class SurfacePropsGM : public skiagm::GM { | |
| 60 public: | |
| 61 SurfacePropsGM() {} | |
| 62 | |
| 63 protected: | |
| 64 SkString onShortName() SK_OVERRIDE { | |
| 65 return SkString("surfaceprops"); | |
| 66 } | |
| 67 | |
| 68 virtual SkISize onISize() SK_OVERRIDE { | |
| 69 return SkISize::Make(W * 4, H * 5); | |
| 70 } | |
| 71 | |
| 72 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { | |
| 73 GrContext* ctx = canvas->getGrContext(); | |
| 74 | |
| 75 // must be opaque to have a hope of testing LCD text | |
| 76 const SkImageInfo info = SkImageInfo::MakeN32(W, H, kOpaque_SkAlphaType)
; | |
| 77 | |
| 78 const struct { | |
| 79 SkPixelGeometry fGeo; | |
| 80 const char* fLabel; | |
| 81 } rec[] = { | |
| 82 { kUnknown_SkPixelGeometry, "Unknown" }, | |
| 83 { kRGB_H_SkPixelGeometry, "RGB_H" }, | |
| 84 { kBGR_H_SkPixelGeometry, "BGR_H" }, | |
| 85 { kRGB_V_SkPixelGeometry, "RGB_V" }, | |
| 86 { kBGR_V_SkPixelGeometry, "BGR_V" }, | |
| 87 }; | |
| 88 | |
| 89 SkScalar x = 0; | |
| 90 for (int disallowAA = 0; disallowAA <= 1; ++disallowAA) { | |
| 91 for (int disallowDither = 0; disallowDither <= 1; ++disallowDither)
{ | |
| 92 SkScalar y = 0; | |
| 93 for (size_t i = 0; i < SK_ARRAY_COUNT(rec); ++i) { | |
| 94 SkAutoTUnref<SkSurface> surface(make_surface(ctx, info, rec[
i].fGeo, | |
| 95 disallowAA, dis
allowDither)); | |
| 96 test_draw(surface->getCanvas(), rec[i].fLabel); | |
| 97 surface->draw(canvas, x, y, NULL); | |
| 98 y += H; | |
| 99 } | |
| 100 x += W; | |
| 101 } | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 private: | |
| 106 typedef GM INHERITED; | |
| 107 }; | |
| 108 | |
| 109 DEF_GM( return new SurfacePropsGM ) | |
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Chromium Code Reviews
Issue 583773004:
Revert of introduce Props to surface (Closed)
Base URL: https://skia.googlesource.com/skia.git@master