84 lines
2.0 KiB
C++
84 lines
2.0 KiB
C++
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/*
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* Copyright 2012 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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#include "SkString.h"
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#include "SkTypeface.h"
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#include "SkTypes.h"
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namespace skiagm {
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const char* gFaces[] = {
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"Times Roman",
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"Hiragino Maru Gothic Pro",
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"Papyrus",
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"Helvetica",
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"Courier New"
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};
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class TypefaceGM : public GM {
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public:
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TypefaceGM() {
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fFaces = new SkTypeface*[SK_ARRAY_COUNT(gFaces)];
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for (size_t i = 0; i < SK_ARRAY_COUNT(gFaces); i++) {
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fFaces[i] = SkTypeface::CreateFromName(gFaces[i], SkTypeface::kNormal);
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}
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}
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virtual ~TypefaceGM() {
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for (size_t i = 0; i < SK_ARRAY_COUNT(gFaces); i++) {
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fFaces[i]->unref();
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}
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delete fFaces;
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}
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protected:
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virtual SkString onShortName() SK_OVERRIDE {
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return SkString("typeface");
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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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SkString text("Typefaces are fun!");
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SkScalar y = 0;
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SkPaint paint;
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paint.setAntiAlias(true);
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for (size_t i = 0; i < SK_ARRAY_COUNT(gFaces); i++) {
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this->drawWithFace(text, i, y, paint, canvas);
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}
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// Now go backwards
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for (int i = SK_ARRAY_COUNT(gFaces) - 1; i >= 0; i--) {
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this->drawWithFace(text, i, y, paint, canvas);
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}
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}
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private:
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void drawWithFace(const SkString& text, int i, SkScalar& y, SkPaint& paint,
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SkCanvas* canvas) {
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paint.setTypeface(fFaces[i]);
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y += paint.getFontMetrics(NULL);
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canvas->drawText(text.c_str(), text.size(), 0, y, paint);
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}
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SkTypeface** fFaces;
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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 TypefaceGM; }
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static GMRegistry reg(MyFactory);
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} // skiagm
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