rostests/apitests/gdi32/DPtoLP.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for ...
   5  * PROGRAMMERS:     Timo Kreuzer
   6  */
   7
   8 #include <stdio.h>
   9 #include <wine/test.h>
  10 #include <windows.h>
  11
  12 void Test_DPtoLP_Params()
  13 {
  14     HDC hdc;
  15     POINT apt[2];
  16
  17     apt[0].x = 0;
  18     apt[0].y = 0;
  19     apt[1].x = -1000;
  20     apt[1].y = 1000;
  21
  22     SetLastError(ERROR_SUCCESS);
  23     ok_int(DPtoLP(NULL, NULL, 0), 1);
  24     ok_err(ERROR_SUCCESS);
  25
  26     ok_int(DPtoLP(NULL, NULL, -1), 1);
  27     ok_err(ERROR_SUCCESS);
  28
  29     ok_int(DPtoLP(NULL, (PVOID)0x80000000, -1), 1);
  30     ok_err(ERROR_SUCCESS);
  31
  32     ok_int(DPtoLP(NULL, NULL, 2), 0);
  33     ok_err(ERROR_INVALID_PARAMETER);
  34
  35     SetLastError(ERROR_SUCCESS);
  36     ok_int(DPtoLP(NULL, apt, 2), 0);
  37     ok_err(ERROR_INVALID_PARAMETER);
  38
  39     SetLastError(ERROR_SUCCESS);
  40     ok_int(DPtoLP(NULL, apt, 0), 1);
  41     ok(GetLastError() == ERROR_SUCCESS, "Exected ERROR_SUCCESS, got %ld\n", GetLastError());
  42
  43     SetLastError(ERROR_SUCCESS);
  44     ok_int(DPtoLP(NULL, apt, -2), 1);
  45     ok_err(ERROR_SUCCESS);
  46
  47     SetLastError(ERROR_SUCCESS);
  48     ok_int(DPtoLP((HDC)-4, apt, -2), 1);
  49     ok_err(ERROR_SUCCESS);
  50
  51     hdc = GetDC(0);
  52     SetLastError(ERROR_SUCCESS);
  53     ok_int(DPtoLP(hdc, NULL, 2), 1);
  54     ok_err(ERROR_SUCCESS);
  55
  56     hdc = GetDC(0);
  57     SetLastError(ERROR_SUCCESS);
  58     ok_int(DPtoLP(hdc, (PVOID)0x80000000, 2), 1);
  59     ok_err(ERROR_SUCCESS);
  60
  61
  62     ReleaseDC(0, hdc);
  63 }
  64
  65 void Test_DPtoLP()
  66 {
  67     HDC hdc;
  68     POINT apt[2];
  69     XFORM xform;
  70     LONG lLogPixelsX, lLogPixelsY;
  71
  72     apt[0].x = 1;
  73     apt[0].y = 1;
  74     apt[1].x = -1000;
  75     apt[1].y = 1000;
  76
  77     hdc = GetDC(0);
  78     lLogPixelsX = GetDeviceCaps(hdc, LOGPIXELSX);
  79     lLogPixelsY = GetDeviceCaps(hdc, LOGPIXELSY);
  80
  81     SetMapMode(hdc, MM_TEXT);
  82     ok_int(DPtoLP(hdc, apt, 2), 1);
  83     ok_int(apt[0].x, 1);
  84     ok_int(apt[0].y, 1);
  85     ok_int(apt[1].x, -1000);
  86     ok_int(apt[1].y, 1000);
  87
  88     apt[0].x = 100; apt[0].y = 256; apt[1].x = -1000; apt[1].y = 1000;
  89     SetMapMode(hdc, MM_LOMETRIC);
  90     ok_int(DPtoLP(hdc, apt, 2), 1);
  91     ok_int(apt[0].x * lLogPixelsX, 33888 );
  92     ok_int(apt[0].y * lLogPixelsY, -86688 );
  93     ok_int(apt[1].x * lLogPixelsX, -338688 );
  94     ok_int(apt[1].y * lLogPixelsY, -338688 );
  95     SetGraphicsMode(hdc, GM_ADVANCED);
  96     SetMapMode(hdc, MM_ANISOTROPIC);
  97
  98     xform.eM11 = 1.;
  99     xform.eM12 = 0.;
 100     xform.eM21 = 0.;
 101     xform.eM22 = 1.;
 102     xform.eDx = (FLOAT)4294967167.999999761;
 103     xform.eDy = 1.;
 104     ok_int(SetWorldTransform(hdc, &xform), 1);
 105
 106     apt[0].x = 100; apt[0].y = 256; apt[1].x = -1000; apt[1].y = 1000;
 107     ok_int(DPtoLP(hdc, apt, 2), 1);
 108     ok_int(apt[0].x * lLogPixelsX, 58464 );
 109     ok_int(apt[0].y * lLogPixelsY, -86784 );
 110     ok_int(apt[1].x * lLogPixelsX, -314112 );
 111     ok_int(apt[1].y * lLogPixelsY, -338784 );
 112
 113     apt[0].x = 100; apt[0].y = 256; apt[1].x = -1000; apt[1].y = 1000;
 114     xform.eM11 = 10000000.;
 115     ok_int(SetWorldTransform(hdc, &xform), 1);
 116     ok_int(DPtoLP(hdc, apt, 2), 1);
 117     ok_int(apt[0].x * lLogPixelsX, -41184 );
 118     ok_int(apt[0].y * lLogPixelsY, -86784 );
 119     ok_int(apt[1].x * lLogPixelsX, -41184 );
 120     ok_int(apt[1].y * lLogPixelsY, -338784 );
 121
 122     apt[0].x = 100; apt[0].y = 256; apt[1].x = -1000; apt[1].y = 1000;
 123     xform.eM11 = 1.;
 124     xform.eDx = (FLOAT)4294967167.999999762; // this is too big
 125     ok_int(SetWorldTransform(hdc, &xform), 1);
 126     ok_int(DPtoLP(hdc, apt, 2), 0);
 127     ok_int(apt[0].x, 100 );
 128     ok_int(apt[0].y, 256 );
 129     ok_int(apt[1].x, -1000 );
 130     ok_int(apt[1].y, 1000 );
 131
 132     xform.eM11 = 2.;
 133     xform.eDx = (FLOAT)4294967167.999999762;
 134     ok_int(SetWorldTransform(hdc, &xform), 1);
 135     ok_int(DPtoLP(hdc, apt, 2), 1);
 136     ok_int(apt[0].x * lLogPixelsX, 16896 );
 137     ok_int(apt[0].y * lLogPixelsY, -86784 );
 138     ok_int(apt[1].x * lLogPixelsX, -169344 );
 139     ok_int(apt[1].y * lLogPixelsY, -338784 );
 140
 141     apt[0].x = 100; apt[0].y = 256; apt[1].x = -1000; apt[1].y = 1000;
 142     xform.eM11 = 10000000.;
 143     ok_int(SetWorldTransform(hdc, &xform), 1);
 144     ok_int(DPtoLP(hdc, apt, 2), 1);
 145     ok_int(apt[0].x * lLogPixelsX, -41184 );
 146     ok_int(apt[0].y * lLogPixelsY, -86784 );
 147     ok_int(apt[1].x * lLogPixelsX, -41184 );
 148     ok_int(apt[1].y * lLogPixelsY, -338784 );
 149
 150     xform.eM11 = 1000000.;
 151     ok_int(SetWorldTransform(hdc, &xform), 1);
 152     ok_int(DPtoLP(hdc, apt, 2), 1);
 153     ok_int(apt[0].x * lLogPixelsX, -412320 );
 154     ok_int(apt[0].y * lLogPixelsY, 306048 );
 155     ok_int(apt[1].x * lLogPixelsX, -412320 );
 156     ok_int(apt[1].y * lLogPixelsY, 1195104 );
 157
 158     ReleaseDC(0, hdc);
 159 }
 160
 161 START_TEST(DPtoLP)
 162 {
 163     Test_DPtoLP_Params();
 164     Test_DPtoLP();
 165 }
 166