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      1 /*
      2  * Copyright 2011 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 "SkTypeface.h"
     12 
     13 /* The hiragino_maru_goth_pro_e path was generated with Mac-specific code:
     14  *
     15  * paint.setTextSize(SkIntToScalar(100));
     16  * paint.setTypeface(SkTypeface::CreateFromName("Hiragino Maru Gothic Pro"));
     17  * paint.getTextPath("e", 1, 50, 50, &path);
     18  *
     19  * The path data is duplicated here to allow the test to
     20  * run on all platforms and to remove the bug dependency
     21  * should future Macs edit or delete the font.
     22  */
     23 static SkPath hiragino_maru_goth_pro_e() {
     24     SkPath path;
     25     path.moveTo(98.6f, 24.7f);
     26     path.cubicTo(101.7f, 24.7f, 103.6f, 22.8f, 103.6f, 19.2f);
     27     path.cubicTo(103.6f, 18.9f, 103.6f, 18.7f, 103.6f, 18.4f);
     28     path.cubicTo(102.6f, 5.3f, 94.4f, -6.1f, 79.8f, -6.1f);
     29     path.cubicTo(63.5f, -6.1f, 54.5f, 6, 54.5f, 23.3f);
     30     path.cubicTo(54.5f, 40.6f, 64, 52.2f, 80.4f, 52.2f);
     31     path.cubicTo(93.4f, 52.2f, 99.2f, 45.6f, 102.4f, 39);
     32     path.cubicTo(102.8f, 38.4f, 102.9f, 37.8f, 102.9f, 37.2f);
     33     path.cubicTo(102.9f, 35.4f, 101.5f, 34.2f, 99.8f, 33.7f);
     34     path.cubicTo(99.1f, 33.5f, 98.4f, 33.3f, 97.7f, 33.3f);
     35     path.cubicTo(96.3f, 33.3f, 95, 34, 94.1f, 35.8f);
     36     path.cubicTo(91.7f, 41.1f, 87.7f, 44.7f, 80.5f, 44.7f);
     37     path.cubicTo(69.7f, 44.7f, 63.6f, 37, 63.4f, 24.7f);
     38     path.lineTo(98.6f, 24.7f);
     39     path.close();
     40     path.moveTo(63.7f, 17.4f);
     41     path.cubicTo(65, 7.6f, 70.2f, 1.2f, 79.8f, 1.2f);
     42     path.cubicTo(89, 1.2f, 93.3f, 8.5f, 94.5f, 15.6f);
     43     path.cubicTo(94.5f, 15.8f, 94.5f, 16, 94.5f, 16.1f);
     44     path.cubicTo(94.5f, 17, 94.1f, 17.4f, 93, 17.4f);
     45     path.lineTo(63.7f, 17.4f);
     46     path.close();
     47     return path;
     48 }
     49 
     50 static void test_path(SkCanvas* canvas, const SkPath& path) {
     51     SkPaint paint;
     52     paint.setAntiAlias(true);
     53     canvas->drawPath(path, paint);
     54 
     55     paint.setStyle(SkPaint::kStroke_Style);
     56     paint.setColor(SK_ColorRED);
     57     canvas->drawPath(path, paint);
     58 }
     59 
     60 static void test_rev(SkCanvas* canvas, const SkPath& path) {
     61     test_path(canvas, path);
     62 
     63     SkPath rev;
     64     rev.reverseAddPath(path);
     65     canvas->save();
     66     canvas->translate(150, 0);
     67     test_path(canvas, rev);
     68     canvas->restore();
     69 }
     70 
     71 DEF_SIMPLE_GM_BG_NAME(pathreverse, canvas, 640, 480, SK_ColorWHITE,
     72                       SkString("path-reverse")) {
     73         SkRect r = { 10, 10, 100, 60 };
     74 
     75         SkPath path;
     76 
     77         path.addRect(r); test_rev(canvas, path);
     78 
     79         canvas->translate(0, 100);
     80         path.offset(20, 20);
     81         path.addRect(r); test_rev(canvas, path);
     82 
     83         canvas->translate(0, 100);
     84         path.reset();
     85         path.moveTo(10, 10); path.lineTo(30, 30);
     86         path.addOval(r);
     87         r.offset(50, 20);
     88         path.addOval(r);
     89         test_rev(canvas, path);
     90 
     91         path = hiragino_maru_goth_pro_e();
     92         canvas->translate(0, 100);
     93         test_rev(canvas, path);
     94 }
     95