зеркало из https://github.com/mozilla/moz-skia.git
83 строки
2.3 KiB
C++
83 строки
2.3 KiB
C++
/*
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Copyright 2011 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/* Tests text rendering with LCD and subpixel rendering turned on and off.
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*/
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#include "gm.h"
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#include "SkCanvas.h"
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namespace skiagm {
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class LcdTextGM : public GM {
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public:
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LcdTextGM() {
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const int pointSize = 36;
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textHeight = SkIntToScalar(pointSize);
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}
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protected:
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SkString onShortName() {
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return SkString("lcdtext");
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}
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SkISize onISize() { return make_isize(640, 480); }
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void drawBG(SkCanvas* canvas) {
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canvas->drawColor(SK_ColorWHITE);
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}
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virtual void onDraw(SkCanvas* canvas) {
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this->drawBG(canvas);
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y = textHeight;
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drawText(canvas, SkString("TEXT: SubpixelTrue LCDRenderTrue"),
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true, true);
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drawText(canvas, SkString("TEXT: SubpixelTrue LCDRenderFalse"),
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true, false);
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drawText(canvas, SkString("TEXT: SubpixelFalse LCDRenderTrue"),
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false, true);
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drawText(canvas, SkString("TEXT: SubpixelFalse LCDRenderFalse"),
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false, false);
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}
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void drawText(SkCanvas* canvas, const SkString& string,
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bool subpixelTextEnabled, bool lcdRenderTextEnabled) {
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SkPaint paint;
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paint.setColor(SK_ColorBLACK);
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paint.setDither(true);
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paint.setAntiAlias(true);
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paint.setSubpixelText(subpixelTextEnabled);
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paint.setLCDRenderText(lcdRenderTextEnabled);
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paint.setTextSize(textHeight);
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canvas->drawText(string.c_str(), string.size(), 0, y, paint);
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y += textHeight;
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}
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private:
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typedef GM INHERITED;
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SkScalar y, textHeight;
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};
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///////////////////////////////////////////////////////////////////////////////
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static GM* MyFactory(void*) { return new LcdTextGM; }
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static GMRegistry reg(MyFactory);
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}
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