75 lines
2.0 KiB
C++
75 lines
2.0 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/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkColor.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPath.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkScalar.h"
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#include "include/core/SkSurface.h"
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#include "tools/ToolUtils.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 sk_sp<SkSurface> new_surface(int width, int height) {
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return SkSurface::MakeRasterN32Premul(width, height);
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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(ToolUtils::color_to_565(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, const SkPath& path) {
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SkPaint paint;
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surface->getCanvas()->clear(SK_ColorTRANSPARENT);
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surface->getCanvas()->drawPath(path, paint);
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surface->draw(canvas, 0, 0);
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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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canvas->drawPath(path, paint);
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draw_pixel_centers(canvas);
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}
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DEF_SIMPLE_GM(fatpathfill, canvas,
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SMALL_W * ZOOM,
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SMALL_H * ZOOM * REPEAT_LOOP) {
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auto 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);
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line.lineTo(SkIntToScalar(4 + i), 1);
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paint.getFillPath(line, &path);
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draw_fatpath(canvas, surface.get(), path);
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canvas->translate(0, SMALL_H);
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}
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}
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