skia2/samplecode/SampleLCD.cpp
Hal Canary 8a027312cd Samples: add name() virtual
Change-Id: I9b6e39bc7e35346bb73dfe014de1c8daa5a92f2a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225428
Auto-Submit: Hal Canary <halcanary@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
2019-07-03 17:41:16 +00:00

58 lines
1.5 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 "include/core/SkCanvas.h"
#include "include/core/SkFont.h"
#include "include/core/SkPaint.h"
#include "include/core/SkShader.h"
#include "samplecode/Sample.h"
class LCDView : public Sample {
public:
LCDView() {}
protected:
SkString name() override { return SkString("LCD Text"); }
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, SkTextEncoding::kUTF8, x0, y, font, paint);
font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
canvas->drawSimpleText(text, len, SkTextEncoding::kUTF8, x1, y, font, paint);
y += font.getSpacing();
}
}
private:
typedef Sample INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_SAMPLE( return new LCDView(); )