зеркало из https://github.com/mozilla/moz-skia.git
124 строки
3.8 KiB
C++
124 строки
3.8 KiB
C++
/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkCanvas.h"
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#include "SkTypeface.h"
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namespace skiagm {
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#define TEXT_SIZE 48
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static const char gText[] = "Hello";
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//Before shaping
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//static const char gText[] = "「テスト。」";
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//static const char gText[] = {0xE3,0x80,0x8C, 0xE3,0x83,0x86, 0xE3,0x82,0xB9, 0xE3,0x83,0x88, 0xE3,0x80,0x82, 0xE3,0x80,0x8D, 0x0};
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//After shaping
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//static const char gText[] = "﹁テスト︒﹂";
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//static const char gText[] = {0xEF,0xB9,0x81, 0xE3,0x83,0x86, 0xE3,0x82,0xB9, 0xE3,0x83,0x88, 0xEF,0xB8,0x92, 0xEF,0xB9,0x82, 0x0};
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static const size_t gLen = sizeof(gText) - sizeof(gText[0]);
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class VertTextGM : public GM {
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public:
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VertTextGM()
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// : fFace(SkTypeface::CreateFromName("unifont", SkTypeface::kNormal))
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// : fFace(SkTypeface::CreateFromFile("MotoyaL04Mincho_3.ttf"))
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// Bitmap fonts on OS X.
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// : fFace(SkTypeface::CreateFromName("GB18030 Bitmap", SkTypeface::kNormal))
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// : fFace(SkTypeface::CreateFromName("Apple Color Emoji", SkTypeface::kNormal))
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// OTF CFF fonts on OS X.
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// : fFace(SkTypeface::CreateFromName("Hiragino Mincho ProN", SkTypeface::kNormal))
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// : fFace(SkTypeface::CreateFromName("Hiragino Kaku Gothic Pro", SkTypeface::kNormal))
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// : fFace(SkTypeface::CreateFromName("Hiragino Sans GB", SkTypeface::kNormal))
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// : fFace(SkTypeface::CreateFromName("STIXGeneral", SkTypeface::kNormal))
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// : fFace(SkTypeface::CreateFromName("Yuppy SC", SkTypeface::kNormal))
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// : fFace(SkTypeface::CreateFromName("Yuppy TC", SkTypeface::kNormal))
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{
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}
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//SkAutoTUnref<SkTypeface> fFace;
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protected:
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virtual uint32_t onGetFlags() const SK_OVERRIDE {
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return kSkipTiled_Flag;
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}
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SkString onShortName() {
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return SkString("verttext");
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}
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SkISize onISize() { return make_isize(640, 480); }
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static void drawBaseline(SkCanvas* canvas, const SkPaint& paint,
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SkScalar x, SkScalar y) {
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SkScalar total = paint.measureText(gText, gLen);
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SkPaint p;
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p.setAntiAlias(true);
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p.setColor(0x80FF0000);
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canvas->drawLine(x, y,
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paint.isVerticalText() ? x : x + total,
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paint.isVerticalText() ? y + total : y,
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p);
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p.setColor(0xFF0000FF);
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SkScalar adv[gLen];
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int numChars = paint.getTextWidths(gText, gLen, adv, NULL);
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for (int i = 0; i < numChars; ++i) {
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canvas->drawCircle(x, y, SK_Scalar1 * 3 / 2, p);
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if (paint.isVerticalText()) {
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y += adv[i];
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} else {
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x += adv[i];
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}
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}
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canvas->drawCircle(x, y, SK_Scalar1 * 3 / 2, p);
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}
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virtual void onDraw(SkCanvas* canvas) {
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SkScalar x = SkIntToScalar(100);
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SkScalar y = SkIntToScalar(50);
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for (int i = 0; i < 4; ++i) {
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setTextSize(SkIntToScalar(TEXT_SIZE));
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//paint.setTypeface(fFace);
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//paint.setFakeBoldText(true);
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paint.setVerticalText(false);
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drawBaseline(canvas, paint, x, y);
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canvas->drawText(gText, gLen, x, y, paint);
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paint.setVerticalText(true);
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drawBaseline(canvas, paint, x, y);
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canvas->drawText(gText, gLen, x, y, paint);
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x += SkIntToScalar(40);
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y += SkIntToScalar(120);
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canvas->rotate(SkIntToScalar(-15));
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}
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}
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private:
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typedef GM INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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static GM* MyFactory(void*) { return new VertTextGM; }
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static GMRegistry reg(MyFactory);
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}
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