skia2/samplecode/SampleLCD.cpp
Mike Reed 919191365b use font instead of paint for text
Bug: skia:
Change-Id: I508ecbd6c4dad41f67f5f2ce6da6c0065dacba6c
Reviewed-on: https://skia-review.googlesource.com/c/180365
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
2019-01-02 17:45:30 +00:00

64 lines
1.6 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <SkFont.h>
#include "Sample.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkShader.h"
class LCDView : public Sample {
public:
LCDView() {}
protected:
bool onQuery(Sample::Event* evt) override {
if (Sample::TitleQ(*evt)) {
Sample::TitleR(evt, "LCD Text");
return true;
}
return this->INHERITED::onQuery(evt);
}
void drawBG(SkCanvas* canvas) {
canvas->drawColor(SK_ColorWHITE);
}
void onDrawContent(SkCanvas* canvas) override {
this->drawBG(canvas);
SkPaint paint;
SkScalar textSize = SkIntToScalar(6);
SkScalar delta = SK_Scalar1;
const char* text = "HHHamburgefonts iii";
size_t len = strlen(text);
SkScalar x0 = SkIntToScalar(10);
SkScalar x1 = SkIntToScalar(310);
SkScalar y = SkIntToScalar(20);
SkFont font;
for (int i = 0; i < 20; i++) {
font.setSize(textSize);
textSize += delta;
font.setEdging(SkFont::Edging::kAntiAlias);
canvas->drawSimpleText(text, len, kUTF8_SkTextEncoding, x0, y, font, paint);
font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
canvas->drawSimpleText(text, len, kUTF8_SkTextEncoding, x1, y, font, paint);
y += font.getSpacing();
}
}
private:
typedef Sample INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_SAMPLE( return new LCDView(); )