e862d16162
git-svn-id: http://skia.googlecode.com/svn/trunk@6210 2bbb7eff-a529-9590-31e7-b0007b416f81
100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
/*
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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 "SkPath.h"
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#include "SkSurface.h"
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#define ZOOM 32
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#define SMALL_W 9
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#define SMALL_H 3
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#define REPEAT_LOOP 5
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static SkSurface* new_surface(int width, int height) {
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SkImage::Info info = {
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width,
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height,
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SkImage::kPMColor_ColorType,
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SkImage::kPremul_AlphaType
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};
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return SkSurface::NewRaster(info, NULL);
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}
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static void draw_pixel_centers(SkCanvas* canvas) {
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SkPaint paint;
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paint.setColor(0xFF0088FF);
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paint.setAntiAlias(true);
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for (int y = 0; y < SMALL_H; ++y) {
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for (int x = 0; x < SMALL_W; ++x) {
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canvas->drawCircle(x + 0.5f, y + 0.5f, 1.5f / ZOOM, paint);
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}
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}
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}
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static void draw_fatpath(SkCanvas* canvas, SkSurface* surface,
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const SkPath paths[], int count) {
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SkPaint paint;
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surface->getCanvas()->clear(0);
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for (int i = 0; i < count; ++i) {
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surface->getCanvas()->drawPath(paths[i], paint);
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}
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surface->draw(canvas, 0, 0, NULL);
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paint.setAntiAlias(true);
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paint.setColor(SK_ColorRED);
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paint.setStyle(SkPaint::kStroke_Style);
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for (int j = 0; j < count; ++j) {
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canvas->drawPath(paths[j], paint);
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}
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draw_pixel_centers(canvas);
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}
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class FatPathFillGM : public skiagm::GM {
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public:
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FatPathFillGM() {}
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protected:
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virtual SkString onShortName() {
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return SkString("fatpathfill");
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}
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virtual SkISize onISize() {
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return SkISize::Make(SMALL_W * ZOOM, SMALL_H * ZOOM * REPEAT_LOOP);
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}
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virtual void onDraw(SkCanvas* canvas) {
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SkAutoTUnref<SkSurface> surface(new_surface(SMALL_W, SMALL_H));
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canvas->scale(ZOOM, ZOOM);
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SkPaint paint;
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(SK_Scalar1);
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for (int i = 0; i < REPEAT_LOOP; ++i) {
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SkPath line, path;
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line.moveTo(1, 2); line.lineTo(4 + i, 1);
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paint.getFillPath(line, &path);
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draw_fatpath(canvas, surface, &path, 1);
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canvas->translate(0, SMALL_H);
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}
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}
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private:
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typedef skiagm::GM INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new FatPathFillGM;)
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