| /* |
| * Copyright 2011 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" |
| #include "SkTypeface.h" |
| |
| namespace skiagm { |
| |
| class FontScalerGM : public GM { |
| public: |
| FontScalerGM() { |
| this->setBGColor(0xFFFFFFFF); |
| } |
| |
| virtual ~FontScalerGM() { |
| } |
| |
| protected: |
| |
| SkString onShortName() override { |
| return SkString("fontscaler"); |
| } |
| |
| SkISize onISize() override { |
| return SkISize::Make(1450, 750); |
| } |
| |
| static void rotate_about(SkCanvas* canvas, |
| SkScalar degrees, |
| SkScalar px, SkScalar py) { |
| canvas->translate(px, py); |
| canvas->rotate(degrees); |
| canvas->translate(-px, -py); |
| } |
| |
| void onDraw(SkCanvas* canvas) override { |
| SkPaint paint; |
| |
| paint.setAntiAlias(true); |
| paint.setLCDRenderText(true); |
| //With freetype the default (normal hinting) can be really ugly. |
| //Most distros now set slight (vertical hinting only) in any event. |
| paint.setHinting(SkPaint::kSlight_Hinting); |
| sk_tool_utils::set_portable_typeface(&paint, "Times Roman", SkTypeface::kNormal); |
| |
| const char* text = "Hamburgefons ooo mmm"; |
| const size_t textLen = strlen(text); |
| |
| for (int j = 0; j < 2; ++j) { |
| // This used to do 6 iterations but it causes the N4 to crash in the MSAA4 config. |
| for (int i = 0; i < 5; ++i) { |
| SkScalar x = SkIntToScalar(10); |
| SkScalar y = SkIntToScalar(20); |
| |
| SkAutoCanvasRestore acr(canvas, true); |
| canvas->translate(SkIntToScalar(50 + i * 230), |
| SkIntToScalar(20)); |
| rotate_about(canvas, SkIntToScalar(i * 5), x, y * 10); |
| |
| { |
| SkPaint p; |
| p.setAntiAlias(true); |
| SkRect r; |
| r.set(x - SkIntToScalar(3), SkIntToScalar(15), |
| x - SkIntToScalar(1), SkIntToScalar(280)); |
| canvas->drawRect(r, p); |
| } |
| |
| for (int ps = 6; ps <= 22; ps++) { |
| paint.setTextSize(SkIntToScalar(ps)); |
| canvas->drawText(text, textLen, x, y, paint); |
| y += paint.getFontMetrics(NULL); |
| } |
| } |
| canvas->translate(0, SkIntToScalar(360)); |
| paint.setSubpixelText(true); |
| } |
| } |
| |
| private: |
| typedef GM INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static GM* MyFactory(void*) { return new FontScalerGM; } |
| static GMRegistry reg(MyFactory); |
| |
| } |