9564ce60a6
Picks the correct distance field size based on both the text size and the max matrix scale. Adjusts the matrix scale if non-unity. Also adds GM for verifying proper distance field scaling. BUG=skia:2928 R=bsalomon@google.com, joshualitt@google.com Author: jvanverth@google.com Review URL: https://codereview.chromium.org/568843002
96 lines
2.8 KiB
C++
96 lines
2.8 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 "SkTypeface.h"
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namespace skiagm {
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class FontScalerGM : public GM {
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public:
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FontScalerGM() {
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this->setBGColor(0xFFFFFFFF);
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}
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virtual ~FontScalerGM() {
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}
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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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virtual SkString onShortName() {
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return SkString("fontscaler");
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}
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virtual SkISize onISize() {
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return SkISize::Make(1450, 750);
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}
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static void rotate_about(SkCanvas* canvas,
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SkScalar degrees,
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SkScalar px, SkScalar py) {
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canvas->translate(px, py);
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canvas->rotate(degrees);
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canvas->translate(-px, -py);
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}
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virtual void onDraw(SkCanvas* canvas) {
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setLCDRenderText(true);
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//With freetype the default (normal hinting) can be really ugly.
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//Most distros now set slight (vertical hinting only) in any event.
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paint.setHinting(SkPaint::kSlight_Hinting);
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sk_tool_utils::set_portable_typeface(&paint, "Times Roman", SkTypeface::kNormal);
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const char* text = "Hamburgefons ooo mmm";
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const size_t textLen = strlen(text);
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for (int j = 0; j < 2; ++j) {
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// This used to do 6 iterations but it causes the N4 to crash in the MSAA4 config.
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for (int i = 0; i < 5; ++i) {
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SkScalar x = SkIntToScalar(10);
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SkScalar y = SkIntToScalar(20);
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SkAutoCanvasRestore acr(canvas, true);
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canvas->translate(SkIntToScalar(50 + i * 230),
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SkIntToScalar(20));
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rotate_about(canvas, SkIntToScalar(i * 5), x, y * 10);
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{
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SkPaint p;
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p.setAntiAlias(true);
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SkRect r;
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r.set(x - SkIntToScalar(3), SkIntToScalar(15),
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x - SkIntToScalar(1), SkIntToScalar(280));
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canvas->drawRect(r, p);
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}
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for (int ps = 6; ps <= 22; ps++) {
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paint.setTextSize(SkIntToScalar(ps));
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canvas->drawText(text, textLen, x, y, paint);
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y += paint.getFontMetrics(NULL);
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}
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}
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canvas->translate(0, SkIntToScalar(360));
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paint.setSubpixelText(true);
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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 FontScalerGM; }
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static GMRegistry reg(MyFactory);
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}
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