ae933ce0ea
This CL is part III of IV (I broke down the 1280 files into 4 CLs). Review URL: https://codereview.appspot.com/6475053 git-svn-id: http://skia.googlecode.com/svn/trunk@5264 2bbb7eff-a529-9590-31e7-b0007b416f81
91 lines
2.3 KiB
C++
91 lines
2.3 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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namespace skiagm {
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#define TEXT_SIZE 48
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static const char gText[] = "Hello";
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static const size_t gLen = sizeof(gText) - 1;
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class VertTextGM : public GM {
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public:
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VertTextGM() {}
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protected:
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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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paint.getTextWidths(gText, gLen, adv, NULL);
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for (size_t i = 0; i < gLen; ++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.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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