skia2/gm/textblobgeometrychange.cpp
brianosman 52ede1d905 More removal of SkColorProfileType...
Scrub GMs. Remove the gDefaultProfile thing (it's unused now), along with
the command line flag that was setting it in DM and nanobench.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2071393002

Committed: https://skia.googlesource.com/skia/+/944876f2745a62a839e49275daf93a0329372e67
Review-Url: https://codereview.chromium.org/2071393002
2016-06-20 08:25:02 -07:00

82 lines
2.5 KiB
C++

/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkCanvas.h"
#include "SkSurface.h"
#include "SkTextBlob.h"
// This tests that we don't try to reuse textblobs from the GPU textblob cache across pixel geometry
// changes when we have LCD. crbug/486744
namespace skiagm {
class TextBlobGeometryChange : public GM {
public:
TextBlobGeometryChange() { }
protected:
SkString onShortName() override {
return SkString("textblobgeometrychange");
}
SkISize onISize() override {
return SkISize::Make(kWidth, kHeight);
}
void onDraw(SkCanvas* canvas) override {
const char text[] = "Hamburgefons";
SkPaint paint;
sk_tool_utils::set_portable_typeface(&paint);
paint.setTextSize(20);
paint.setAntiAlias(true);
paint.setLCDRenderText(true);
SkTextBlobBuilder builder;
sk_tool_utils::add_to_text_blob(&builder, text, paint, 10, 10);
SkAutoTUnref<const SkTextBlob> blob(builder.build());
SkImageInfo info = SkImageInfo::MakeN32(200, 200, kPremul_SkAlphaType,
sk_ref_sp(canvas->imageInfo().colorSpace()));
SkSurfaceProps canvasProps(SkSurfaceProps::kLegacyFontHost_InitType);
uint32_t gammaCorrect = canvas->getProps(&canvasProps)
? canvasProps.flags() & SkSurfaceProps::kGammaCorrect_Flag : 0;
SkSurfaceProps props(gammaCorrect, kUnknown_SkPixelGeometry);
auto surface = canvas->makeSurface(info, &props);
if (!surface) {
surface = SkSurface::MakeRaster(info, &props);
}
SkCanvas* c = surface->getCanvas();
// LCD text on white background
SkRect rect = SkRect::MakeLTRB(0.f, 0.f, SkIntToScalar(kWidth), kHeight / 2.f);
SkPaint rectPaint;
rectPaint.setColor(0xffffffff);
canvas->drawRect(rect, rectPaint);
canvas->drawTextBlob(blob.get(), 10, 50, paint);
// This should not look garbled since we should disable LCD text in this case
// (i.e., unknown pixel geometry)
c->clear(0x00ffffff);
c->drawTextBlob(blob.get(), 10, 150, paint);
surface->draw(canvas, 0, 0, nullptr);
}
private:
static const int kWidth = 200;
static const int kHeight = 200;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new TextBlobGeometryChange;)
}