1 /* 2 * Copyright 2012 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 "SkPath.h" 11 #include "SkSurface.h" 12 13 #define ZOOM 32 14 #define SMALL_W 9 15 #define SMALL_H 3 16 #define REPEAT_LOOP 5 17 18 static SkSurface* new_surface(int width, int height) { 19 return SkSurface::NewRasterN32Premul(width, height); 20 } 21 22 static void draw_pixel_centers(SkCanvas* canvas) { 23 SkPaint paint; 24 paint.setColor(sk_tool_utils::color_to_565(0xFF0088FF)); 25 paint.setAntiAlias(true); 26 27 for (int y = 0; y < SMALL_H; ++y) { 28 for (int x = 0; x < SMALL_W; ++x) { 29 canvas->drawCircle(x + 0.5f, y + 0.5f, 1.5f / ZOOM, paint); 30 } 31 } 32 } 33 34 static void draw_fatpath(SkCanvas* canvas, SkSurface* surface, const SkPath& path) { 35 SkPaint paint; 36 37 surface->getCanvas()->clear(SK_ColorTRANSPARENT); 38 surface->getCanvas()->drawPath(path, paint); 39 surface->draw(canvas, 0, 0, nullptr); 40 41 paint.setAntiAlias(true); 42 paint.setColor(SK_ColorRED); 43 paint.setStyle(SkPaint::kStroke_Style); 44 canvas->drawPath(path, paint); 45 46 draw_pixel_centers(canvas); 47 } 48 49 DEF_SIMPLE_GM(fatpathfill, canvas, 50 SMALL_W * ZOOM, 51 SMALL_H * ZOOM * REPEAT_LOOP) { 52 SkAutoTUnref<SkSurface> surface(new_surface(SMALL_W, SMALL_H)); 53 54 canvas->scale(ZOOM, ZOOM); 55 56 SkPaint paint; 57 paint.setStyle(SkPaint::kStroke_Style); 58 paint.setStrokeWidth(SK_Scalar1); 59 60 for (int i = 0; i < REPEAT_LOOP; ++i) { 61 SkPath line, path; 62 line.moveTo(1, 2); 63 line.lineTo(SkIntToScalar(4 + i), 1); 64 paint.getFillPath(line, &path); 65 draw_fatpath(canvas, surface, path); 66 67 canvas->translate(0, SMALL_H); 68 } 69 } 70
