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Diffstat (limited to 'gm/typeface.cpp')
-rw-r--r-- | gm/typeface.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/gm/typeface.cpp b/gm/typeface.cpp new file mode 100644 index 0000000000..af04725a3f --- /dev/null +++ b/gm/typeface.cpp @@ -0,0 +1,83 @@ + +/* + * Copyright 2012 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 "SkCanvas.h" +#include "SkString.h" +#include "SkTypeface.h" +#include "SkTypes.h" + +namespace skiagm { + +const char* gFaces[] = { + "Times Roman", + "Hiragino Maru Gothic Pro", + "Papyrus", + "Helvetica", + "Courier New" +}; + +class TypefaceGM : public GM { +public: + TypefaceGM() { + fFaces = new SkTypeface*[SK_ARRAY_COUNT(gFaces)]; + for (size_t i = 0; i < SK_ARRAY_COUNT(gFaces); i++) { + fFaces[i] = SkTypeface::CreateFromName(gFaces[i], SkTypeface::kNormal); + } + } + + virtual ~TypefaceGM() { + for (size_t i = 0; i < SK_ARRAY_COUNT(gFaces); i++) { + fFaces[i]->unref(); + } + delete fFaces; + } + +protected: + virtual SkString onShortName() SK_OVERRIDE { + return SkString("typeface"); + } + + virtual SkISize onISize() SK_OVERRIDE { + return SkISize::Make(640, 480); + } + + virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { + SkString text("Typefaces are fun!"); + SkScalar y = 0; + + SkPaint paint; + paint.setAntiAlias(true); + for (size_t i = 0; i < SK_ARRAY_COUNT(gFaces); i++) { + this->drawWithFace(text, i, y, paint, canvas); + } + // Now go backwards + for (int i = SK_ARRAY_COUNT(gFaces) - 1; i >= 0; i--) { + this->drawWithFace(text, i, y, paint, canvas); + } + } + +private: + void drawWithFace(const SkString& text, int i, SkScalar& y, SkPaint& paint, + SkCanvas* canvas) { + paint.setTypeface(fFaces[i]); + y += paint.getFontMetrics(NULL); + canvas->drawText(text.c_str(), text.size(), 0, y, paint); + } + + SkTypeface** fFaces; + + typedef GM INHERITED; +}; + +//////////////////////////////////////////////////////////////////////////////// + +static GM* MyFactory(void*) { return new TypefaceGM; } +static GMRegistry reg(MyFactory); + +} // skiagm |