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125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
/*
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* PROJECT: ReactOS api tests
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* LICENSE: GPL - See COPYING in the top level directory
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* PURPOSE: Test for SetWorldTransform
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* PROGRAMMERS: Timo Kreuzer
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* Katayama Hirofumi MZ
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*/
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#include "precomp.h"
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void Test_SetWorldTransform()
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{
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HDC hdcScreen, hdc;
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XFORM xform;
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BOOL result;
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//PGDI_TABLE_ENTRY pEntry;
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//DC_ATTR* pdcattr;
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/* Create a DC */
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hdcScreen = GetDC(NULL);
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hdc = CreateCompatibleDC(hdcScreen);
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ReleaseDC(NULL, hdcScreen);
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SetGraphicsMode(hdc, GM_ADVANCED);
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/* Set identity transform */
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xform.eM11 = 1;
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xform.eM12 = 0;
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xform.eM21 = 0;
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xform.eM22 = 1;
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xform.eDx = 0;
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xform.eDy = 0;
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result = SetWorldTransform(hdc, &xform);
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ok(result == 1, "SetWorldTransform should succeed\n");
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/* Set eM11 to 0 */
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xform.eM11 = 0;
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result = SetWorldTransform(hdc, &xform);
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ok(result == 0, "SetWorldTransform should fail\n");
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/* Set eM22 to 0 */
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xform.eM11 = 1;
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xform.eM22 = 0;
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result = SetWorldTransform(hdc, &xform);
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ok(result == 0, "SetWorldTransform should fail\n");
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/* Set values that result in the determinant being 0 */
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xform.eM11 = 2;
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xform.eM12 = 3;
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xform.eM21 = 4;
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xform.eM22 = 6;
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result = SetWorldTransform(hdc, &xform);
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ok(result == 0, "SetWorldTransform should fail\n");
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/* Small modification to make the determinant != 0 */
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xform.eM12 = (FLOAT)3.0001;
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result = SetWorldTransform(hdc, &xform);
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ok(result == 1, "SetWorldTransform should succeed\n");
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/* Set values that result in the determinant being 0 due to rounding */
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xform.eM11 = 1;
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xform.eM12 = (FLOAT)0.9999999;
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xform.eM21 = (FLOAT)1.0000001;
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xform.eM22 = 1;
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ok(xform.eM12 != (FLOAT)1.0, "xform.eM12 shouldn't be 1.0\n");
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ok(xform.eM21 != (FLOAT)1.0, "xform.eM21 shouldn't be 1.0\n");
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ok(xform.eM12 * xform.eM21 != (FLOAT)1.0, "xform.eM12 * xform.eM21 shouldn't be 1.0\n");
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result = SetWorldTransform(hdc, &xform);
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ok(result == 0, "SetWorldTransform should fail\n");
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/* Test world transform (should be unchanged by previous failure) */
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result = GetWorldTransform(hdc, &xform);
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ok(result == 1, "GetWorldTransform should succeed\n");
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ok(xform.eM11 == 2, "xform.eM11 should be 2\n");
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ok(xform.eM12 == (FLOAT)3.0001, "xform.eM12 should be 3.0001\n");
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ok(xform.eM21 == 4, "xform.eM21 should be 4\n");
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ok(xform.eM22 == 6, "xform.eM22 should be 6\n");
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/* Set smallest possible values */
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xform.eM11 = 1.17549435e-38f;
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xform.eM12 = 0;
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xform.eM21 = 0;
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xform.eM22 = 1.17549435e-38f;
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ok(xform.eM11 != (FLOAT)0.0, "xform.eM11 shouldn't be 0.0\n");
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ok(xform.eM22 != (FLOAT)0.0, "xform.eM22 shouldn't be 0.0\n");
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ok(xform.eM11 * xform.eM22 != (FLOAT)0.0, "xform.eM12 * xform.eM21 shouldn't be 0.0\n");
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result = SetWorldTransform(hdc, &xform);
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ok(result == 1, "SetWorldTransform should succeed\n");
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/* Test world transform */
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result = GetWorldTransform(hdc, &xform);
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ok(result == 1, "GetWorldTransform should succeed\n");
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ok(xform.eM11 > 0, "xform.eM11 should not be 0\n");
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ok(xform.eM12 == 0, "xform.eM12 should be 0\n");
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ok(xform.eM21 == 0, "xform.eM21 should be 0\n");
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ok(xform.eM22 > 0, "xform.eM22 should not be 0\n");
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xform.eM11 = 0;
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xform.eM12 = 1;
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xform.eM21 = 1;
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xform.eM22 = 0;
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result = SetWorldTransform(hdc, &xform);
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ok_int(result, 1);
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xform.eM11 = 1;
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xform.eM12 = 1;
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xform.eM21 = 1;
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xform.eM22 = 1;
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result = SetWorldTransform(hdc, &xform);
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ok_int(result, 0);
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result = GetWorldTransform(hdc, &xform);
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ok_int(result, 1);
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ok(xform.eM11 == 0, "xform.eM11 should be 0\n");
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ok(xform.eM12 == 1, "xform.eM12 should be 1\n");
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ok(xform.eM21 == 1, "xform.eM21 should be 1\n");
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ok(xform.eM22 == 0, "xform.eM22 should be 0\n");
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DeleteDC(hdc);
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}
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START_TEST(SetWorldTransform)
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{
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Test_SetWorldTransform();
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}
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