moz-skia/gm/androidfallback.cpp

93 строки
2.6 KiB
C++

/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
namespace skiagm {
class AndroidFallbackGM : public GM {
public:
AndroidFallbackGM() {
this->setBGColor(0xFFCCCCCC);
}
protected:
virtual uint32_t onGetFlags() const SK_OVERRIDE {
// TODO(scroggo): Undo this if we decide to fix skia:1763.
return GM::kSkipPipe_Flag;
}
virtual SkString onShortName() SK_OVERRIDE {
return SkString("android_paint");
}
virtual SkISize onISize() SK_OVERRIDE {
return make_isize(500, 500);
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
paint.setTextEncoding(SkPaint::kUTF16_TextEncoding);
paint.setTextSize(24);
#ifdef SK_BUILD_FOR_ANDROID
SkPaintOptionsAndroid options = paint.getPaintOptionsAndroid();
options.setUseFontFallbacks(true);
paint.setPaintOptionsAndroid(options);
#endif
// "א foo 免舌 bar क"
const uint16_t unicodeStr[] = {0x05D0, 0x0020, 0x0066, 0x006F, 0x006F, 0x0020, 0x514D,
0x820c, 0x0020, 0x0062, 0x0061, 0x0072, 0x0020, 0x0915};
const int strLength = sizeof(unicodeStr) / sizeof(uint16_t);
const int strByteLength = sizeof(unicodeStr);
SkScalar posX[strLength];
SkPoint posXY[strLength];
for (int i = 0; i < strLength; ++i) {
posX[i] = SkIntToScalar(i * 24);
posXY[i].fX = posX[i];
posXY[i].fY = SkIntToScalar(24 + i);
}
canvas->translate(SkIntToScalar(10), SkIntToScalar(25));
// This currently causes the PDF backend to assert
// canvas->drawText(unicodeStr, strByteLength, 0, 0, paint);
canvas->translate(0, SkIntToScalar(75));
canvas->drawPosTextH(unicodeStr, strByteLength, posX, 0, paint);
#ifdef SK_BUILD_FOR_ANDROID
options.setLanguage("ja");
paint.setPaintOptionsAndroid(options);
#endif
canvas->translate(0, SkIntToScalar(75));
canvas->drawPosText(unicodeStr, strByteLength, posXY, paint);
SkPath path;
path.moveTo(0, 0);
path.quadTo(50.0f, 100.0f, 250.0f, 150.0f);
canvas->translate(0, SkIntToScalar(75));
canvas->drawTextOnPath(unicodeStr, strByteLength, path, NULL, paint);
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
#ifdef SK_BUILD_FOR_ANDROID
DEF_GM( return SkNEW(AndroidFallbackGM); )
#endif
}