dlls/gdiplus/tests/image.c

   1 /*
   2  * Unit test suite for images
   3  *
   4  * Copyright (C) 2007 Google (Evan Stade)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "windows.h"
  22 #include "gdiplus.h"
  23 #include "wine/test.h"
  24 #include <math.h>
  25
  26 #define expect(expected, got) ok(((UINT)got) == ((UINT)expected), "Expected %.8x, got %.8x\n", (UINT)expected, (UINT)got)
  27
  28 static void test_Scan0(void)
  29 {
  30     GpBitmap *bm;
  31     GpStatus stat;
  32     BYTE buff[360];
  33
  34     bm = NULL;
  35     stat = GdipCreateBitmapFromScan0(10, 10, 10, PixelFormat24bppRGB, NULL, &bm);
  36     expect(Ok, stat);
  37     ok(NULL != bm, "Expected bitmap to be initialized\n");
  38     if (stat == Ok)
  39         GdipDisposeImage((GpImage*)bm);
  40
  41     bm = (GpBitmap*)0xdeadbeef;
  42     stat = GdipCreateBitmapFromScan0(10, -10, 10, PixelFormat24bppRGB, NULL, &bm);
  43     expect(InvalidParameter, stat);
  44
  45     expect(NULL, bm);
  46
  47     bm = (GpBitmap*)0xdeadbeef;
  48     stat = GdipCreateBitmapFromScan0(-10, 10, 10, PixelFormat24bppRGB, NULL, &bm);
  49     expect(InvalidParameter, stat);
  50
  51     expect(NULL, bm);
  52
  53     bm = (GpBitmap*)0xdeadbeef;
  54     stat = GdipCreateBitmapFromScan0(10, 0, 10, PixelFormat24bppRGB, NULL, &bm);
  55     expect(InvalidParameter, stat);
  56
  57     expect(NULL, bm);
  58
  59     bm = NULL;
  60     stat = GdipCreateBitmapFromScan0(10, 10, 12, PixelFormat24bppRGB, buff, &bm);
  61     expect(Ok, stat);
  62     ok(NULL != bm, "Expected bitmap to be initialized\n");
  63     if (stat == Ok)
  64         GdipDisposeImage((GpImage*)bm);
  65
  66     bm = (GpBitmap*) 0xdeadbeef;
  67     stat = GdipCreateBitmapFromScan0(10, 10, 10, PixelFormat24bppRGB, buff, &bm);
  68     expect(InvalidParameter, stat);
  69     expect(NULL, bm);
  70
  71     bm = (GpBitmap*)0xdeadbeef;
  72     stat = GdipCreateBitmapFromScan0(10, 10, 0, PixelFormat24bppRGB, buff, &bm);
  73     expect(InvalidParameter, stat);
  74     expect(0xdeadbeef, bm);
  75 }
  76
  77 static void test_GetImageDimension(void)
  78 {
  79     GpBitmap *bm;
  80     GpStatus stat;
  81     const REAL WIDTH = 10.0, HEIGHT = 20.0;
  82     REAL w,h;
  83
  84     bm = (GpBitmap*)0xdeadbeef;
  85     stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB,NULL, &bm);
  86     expect(Ok,stat);
  87     ok((GpBitmap*)0xdeadbeef != bm, "Expected bitmap to not be 0xdeadbeef\n");
  88     ok(NULL != bm, "Expected bitmap to not be NULL\n");
  89
  90     stat = GdipGetImageDimension(NULL,&w,&h);
  91     expect(InvalidParameter, stat);
  92
  93     stat = GdipGetImageDimension((GpImage*)bm,NULL,&h);
  94     expect(InvalidParameter, stat);
  95
  96     stat = GdipGetImageDimension((GpImage*)bm,&w,NULL);
  97     expect(InvalidParameter, stat);
  98
  99     w = -1;
 100     h = -1;
 101     stat = GdipGetImageDimension((GpImage*)bm,&w,&h);
 102     expect(Ok, stat);
 103     ok(fabs(WIDTH - w) < 0.0001, "Width wrong");
 104     ok(fabs(HEIGHT - h) < 0.0001, "Height wrong");
 105     GdipDisposeImage((GpImage*)bm);
 106 }
 107
 108 START_TEST(image)
 109 {
 110     struct GdiplusStartupInput gdiplusStartupInput;
 111     ULONG_PTR gdiplusToken;
 112
 113     gdiplusStartupInput.GdiplusVersion              = 1;
 114     gdiplusStartupInput.DebugEventCallback          = NULL;
 115     gdiplusStartupInput.SuppressBackgroundThread    = 0;
 116     gdiplusStartupInput.SuppressExternalCodecs      = 0;
 117
 118     GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
 119
 120     test_Scan0();
 121     test_GetImageDimension();
 122
 123     GdiplusShutdown(gdiplusToken);
 124 }