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 "sk_tool_utils.h" 10 #include "SkCanvas.h" 11 #include "SkPath.h" 12 #include "SkSurface.h" 13 14 #define ZOOM 32 15 #define SMALL_W 9 16 #define SMALL_H 3 17 #define REPEAT_LOOP 5 18 19 static sk_sp<SkSurface> new_surface(int width, int height) { 20 return SkSurface::MakeRasterN32Premul(width, height); 21 } 22 23 static void draw_pixel_centers(SkCanvas* canvas) { 24 SkPaint paint; 25 paint.setColor(sk_tool_utils::color_to_565(0xFF0088FF)); 26 paint.setAntiAlias(true); 27 28 for (int y = 0; y < SMALL_H; ++y) { 29 for (int x = 0; x < SMALL_W; ++x) { 30 canvas->drawCircle(x + 0.5f, y + 0.5f, 1.5f / ZOOM, paint); 31 } 32 } 33 } 34 35 static void draw_fatpath(SkCanvas* canvas, SkSurface* surface, const SkPath& path) { 36 SkPaint paint; 37 38 surface->getCanvas()->clear(SK_ColorTRANSPARENT); 39 surface->getCanvas()->drawPath(path, paint); 40 surface->draw(canvas, 0, 0, nullptr); 41 42 paint.setAntiAlias(true); 43 paint.setColor(SK_ColorRED); 44 paint.setStyle(SkPaint::kStroke_Style); 45 canvas->drawPath(path, paint); 46 47 draw_pixel_centers(canvas); 48 } 49 50 DEF_SIMPLE_GM(fatpathfill, canvas, 51 SMALL_W * ZOOM, 52 SMALL_H * ZOOM * REPEAT_LOOP) { 53 auto surface(new_surface(SMALL_W, SMALL_H)); 54 55 canvas->scale(ZOOM, ZOOM); 56 57 SkPaint paint; 58 paint.setStyle(SkPaint::kStroke_Style); 59 paint.setStrokeWidth(SK_Scalar1); 60 61 for (int i = 0; i < REPEAT_LOOP; ++i) { 62 SkPath line, path; 63 line.moveTo(1, 2); 64 line.lineTo(SkIntToScalar(4 + i), 1); 65 paint.getFillPath(line, &path); 66 draw_fatpath(canvas, surface.get(), path); 67 68 canvas->translate(0, SMALL_H); 69 } 70 } 71