reed@google.com | af0fa6a | 2013-03-28 13:39:35 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "gm.h" |
| 9 | #include "SkCanvas.h" |
| 10 | #include "SkFontMgr.h" |
| 11 | #include "SkGraphics.h" |
| 12 | #include "SkTypeface.h" |
| 13 | |
| 14 | // limit this just so we don't take too long to draw |
| 15 | #define MAX_FAMILIES 30 |
| 16 | |
| 17 | static SkScalar drawString(SkCanvas* canvas, const SkString& text, SkScalar x, |
| 18 | SkScalar y, const SkPaint& paint) { |
| 19 | canvas->drawText(text.c_str(), text.size(), x, y, paint); |
| 20 | return x + paint.measureText(text.c_str(), text.size()); |
| 21 | } |
| 22 | |
| 23 | class FontMgrGM : public skiagm::GM { |
| 24 | public: |
| 25 | FontMgrGM() { |
| 26 | SkGraphics::SetFontCacheLimit(16 * 1024 * 1024); |
| 27 | } |
| 28 | |
| 29 | protected: |
| 30 | virtual SkString onShortName() { |
| 31 | return SkString("fontmgr"); |
| 32 | } |
| 33 | |
| 34 | virtual SkISize onISize() { |
| 35 | return SkISize::Make(640, 1024); |
| 36 | } |
| 37 | |
| 38 | virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
| 39 | SkScalar y = 20; |
| 40 | SkPaint paint; |
| 41 | paint.setAntiAlias(true); |
| 42 | paint.setLCDRenderText(true); |
| 43 | paint.setSubpixelText(true); |
| 44 | paint.setTextSize(17); |
| 45 | |
| 46 | SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault()); |
| 47 | int count = SkMin32(fm->countFamilies(), MAX_FAMILIES); |
| 48 | |
| 49 | for (int i = 0; i < count; ++i) { |
| 50 | SkString fname; |
| 51 | fm->getFamilyName(i, &fname); |
| 52 | paint.setTypeface(NULL); |
| 53 | (void)drawString(canvas, fname, 20, y, paint); |
| 54 | |
| 55 | SkScalar x = 220; |
| 56 | SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i)); |
| 57 | for (int j = 0; j < set->count(); ++j) { |
| 58 | SkString sname; |
| 59 | SkFontStyle fs; |
| 60 | set->getStyle(j, &fs, &sname); |
| 61 | |
| 62 | SkSafeUnref(paint.setTypeface(set->createTypeface(j))); |
| 63 | x = drawString(canvas, sname, x, y, paint) + 20; |
| 64 | } |
| 65 | y += 24; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | private: |
| 70 | typedef GM INHERITED; |
| 71 | }; |
| 72 | |
| 73 | ////////////////////////////////////////////////////////////////////////////// |
| 74 | |
| 75 | DEF_GM( return SkNEW(FontMgrGM); ) |
| 76 | |