Index: gm/surface.cpp |
diff --git a/gm/surface.cpp b/gm/surface.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f014e28c30dd4959b0510dcd81bcd32bc42c1521 |
--- /dev/null |
+++ b/gm/surface.cpp |
@@ -0,0 +1,102 @@ |
+/* |
+ * Copyright 2014 Google Inc. |
+ * |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+#include "gm.h" |
+#include "SkGradientShader.h" |
+#include "SkSurface.h" |
+#include "SkSurfaceProps.h" |
+ |
+#define W 200 |
+#define H 100 |
+ |
+static SkShader* make_shader() { |
+ int a = 0x99; |
+ int b = 0xBB; |
+ SkPoint pts[] = { { 0, 0 }, { W, H } }; |
+ SkColor colors[] = { SkColorSetRGB(a, a, a), SkColorSetRGB(b, b, b) }; |
+ return SkGradientShader::CreateLinear(pts, colors, NULL, 2, SkShader::kClamp_TileMode); |
+} |
+ |
+static SkSurface* make_surface(GrContext* ctx, const SkImageInfo& info, SkPixelGeometry geo, |
+ int disallowAA, int disallowDither) { |
+ uint32_t flags = 0; |
+ if (disallowAA) { |
+ flags |= SkSurfaceProps::kDisallowAntiAlias_Flag; |
+ } |
+ if (disallowDither) { |
+ flags |= SkSurfaceProps::kDisallowDither_Flag; |
+ } |
+ |
+ SkSurfaceProps props(flags, geo); |
+ if (ctx) { |
+ return SkSurface::NewRenderTarget(ctx, info, 0, &props); |
+ } else { |
+ return SkSurface::NewRaster(info, &props); |
+ } |
+} |
+ |
+static void test_draw(SkCanvas* canvas) { |
+ SkPaint paint; |
+ |
+ paint.setAntiAlias(true); |
+ paint.setLCDRenderText(true); |
+ paint.setDither(true); |
+ |
+ paint.setShader(make_shader())->unref(); |
+ canvas->drawRect(SkRect::MakeWH(W, H), paint); |
+ paint.setShader(NULL); |
+ |
+ paint.setColor(SK_ColorWHITE); |
+ paint.setTextSize(47); |
+ paint.setTextAlign(SkPaint::kCenter_Align); |
+ canvas->drawText("Surface", 7, W / 2, H * 4 / 5, paint); |
+} |
+ |
+class SurfaceGM : public skiagm::GM { |
+public: |
+ SurfaceGM() {} |
+ |
+protected: |
+ SkString onShortName() { |
+ return SkString("surface"); |
+ } |
+ |
+ virtual SkISize onISize() { return SkISize::Make(W * 4, H * 3); } |
+ |
+ virtual void onDraw(SkCanvas* canvas) { |
+ GrContext* ctx = canvas->getGrContext(); |
+ |
+ // must be opaque to have a hope of testing LCD text |
+ const SkImageInfo info = SkImageInfo::MakeN32(W, H, kOpaque_SkAlphaType); |
+ |
+ const SkPixelGeometry gGeo[] = { |
+ kUnknown_SkPixelGeometry, |
+ kRGB_H_SkPixelGeometry, |
+ kBGR_H_SkPixelGeometry, |
bungeman-skia
2014/09/18 21:14:10
Can we have at least one of the verticals here?
reed1
2014/09/18 21:24:41
Done.
|
+ }; |
+ |
+ SkScalar x = 0; |
+ for (int disallowAA = 0; disallowAA <= 1; ++disallowAA) { |
+ for (int disallowDither = 0; disallowDither <= 1; ++disallowDither) { |
+ SkScalar y = 0; |
+ for (size_t geoIndex = 0; geoIndex < SK_ARRAY_COUNT(gGeo); ++geoIndex) { |
+ SkAutoTUnref<SkSurface> surface(make_surface(ctx, info, gGeo[geoIndex], |
+ disallowAA, disallowDither)); |
+ test_draw(surface->getCanvas()); |
+ surface->draw(canvas, x, y, NULL); |
+ y += H; |
+ } |
+ x += W; |
+ } |
+ } |
+ } |
+ |
+private: |
+ typedef GM INHERITED; |
+}; |
+ |
+DEF_GM( return new SurfaceGM ) |