0d30c51c6c
https://code.google.com/p/chromium/issues/detail?id=352616 Review URL: https://codereview.chromium.org/196223013 git-svn-id: http://skia.googlecode.com/svn/trunk@13802 2bbb7eff-a529-9590-31e7-b0007b416f81
79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/*
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* Copyright 2014 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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static void test_nulldev(SkCanvas* canvas) {
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SkBitmap bm;
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bm.setConfig(SkBitmap::kARGB_8888_Config, 30, 30);
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// notice: no pixels mom! be sure we don't crash
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// https://code.google.com/p/chromium/issues/detail?id=352616
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SkCanvas c(bm);
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SkBitmap src;
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src.allocN32Pixels(10, 10);
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src.eraseColor(SK_ColorRED);
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// ensure we don't crash
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c.writePixels(src, 0, 0);
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}
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static void draw_text_stroked(SkCanvas* canvas, const SkPaint& paint) {
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SkPaint p(paint);
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SkPoint loc = { 20, 450 };
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canvas->drawText("P", 1, loc.fX, loc.fY - 225, p);
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canvas->drawPosText("P", 1, &loc, p);
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p.setColor(SK_ColorRED);
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p.setStyle(SkPaint::kStroke_Style);
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p.setStrokeWidth(10);
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canvas->drawText("P", 1, loc.fX, loc.fY - 225, p);
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canvas->drawPosText("P", 1, &loc, p);
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}
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class StrokeTextGM : public skiagm::GM {
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// Skia has a threshold above which it draws text via paths instead of using scalercontext
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// and caching the glyph. This GM wants to ensure that we draw stroking correctly on both
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// sides of this threshold.
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enum {
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kBelowThreshold_TextSize = 255,
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kAboveThreshold_TextSize = 257
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};
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public:
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StrokeTextGM() {}
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protected:
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virtual SkString onShortName() SK_OVERRIDE {
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return SkString("stroketext");
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}
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virtual SkISize onISize() SK_OVERRIDE {
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return SkISize::Make(640, 480);
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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if (true) { test_nulldev(canvas); }
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setTextSize(kBelowThreshold_TextSize);
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draw_text_stroked(canvas, paint);
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canvas->translate(200, 0);
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paint.setTextSize(kAboveThreshold_TextSize);
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draw_text_stroked(canvas, paint);
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}
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private:
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typedef skiagm::GM INHERITED;
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};
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DEF_GM( return SkNEW(StrokeTextGM); )
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