82 lines
2.4 KiB
C++
82 lines
2.4 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::MakeN32Premul(200, 200);
|
||
|
|
SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
|
||
|
|
SkAutoTUnref<SkSurface> surface(canvas->newSurface(info, &props));
|
||
|
|
if (surface) {
|
||
|
|
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);
|
||
|
|
} else {
|
||
|
|
const char* text = "This test requires a surface";
|
||
|
|
size_t len = strlen(text);
|
||
|
|
SkPaint paint;
|
||
|
|
canvas->drawText(text, len, 10, 100, paint);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
static const int kWidth = 200;
|
||
|
|
static const int kHeight = 200;
|
||
|
|
|
||
|
|
typedef GM INHERITED;
|
||
|
|
};
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
DEF_GM( return SkNEW(TextBlobGeometryChange); )
|
||
|
|
}
|