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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 "SkBitmap.h"
      9 #include "SkRandom.h"
     10 #include "SkRect.h"
     11 #include "Test.h"
     12 
     13 DEF_TEST(GetColor, reporter) {
     14     static const struct Rec {
     15         SkColorType fColorType;
     16         SkColor     fInColor;
     17         SkColor     fOutColor;
     18     } gRec[] = {
     19         // todo: add some tests that involve alpha, so we exercise the
     20         // unpremultiply aspect of getColor()
     21         {   kAlpha_8_SkColorType,   0xFF000000,     0xFF000000  },
     22         {   kAlpha_8_SkColorType,   0,              0           },
     23         {   kRGB_565_SkColorType,   0xFF00FF00,     0xFF00FF00  },
     24         {   kRGB_565_SkColorType,   0xFFFF00FF,     0xFFFF00FF  },
     25         {   kN32_SkColorType,       0xFFFFFFFF,     0xFFFFFFFF  },
     26         {   kN32_SkColorType,       0,              0           },
     27         {   kN32_SkColorType,       0xFF224466,     0xFF224466  },
     28     };
     29 
     30     // specify an area that doesn't touch (0,0) and may extend beyond the
     31     // bitmap bounds (to test that we catch that in eraseArea
     32     const SkColor initColor = 0xFF0000FF;
     33     const SkIRect area = { 1, 1, 3, 3 };
     34 
     35     for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
     36         SkImageInfo info = SkImageInfo::Make(2, 2, gRec[i].fColorType,
     37                                              kPremul_SkAlphaType);
     38         SkBitmap bm;
     39         uint32_t storage[4];
     40         bm.installPixels(info, storage, info.minRowBytes());
     41 
     42         bm.eraseColor(initColor);
     43         bm.eraseArea(area, gRec[i].fInColor);
     44 
     45         SkColor c = bm.getColor(1, 1);
     46         REPORTER_ASSERT(reporter, c == gRec[i].fOutColor);
     47     }
     48 }
     49