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gdi32: Add tests for SetVirtualResolution.

This commit is contained in:
Huw Davies 2009-06-23 14:58:17 +01:00 committed by Alexandre Julliard
parent 5c386041fc
commit e920f5f7d7
1 changed files with 92 additions and 0 deletions
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92
dlls/gdi32/tests/mapping.c
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@ -342,9 +342,101 @@ static void test_isotropic_mapping(void)
ReleaseDC(0, hdc);
}
static void test_setvirtualresolution(void)
{
HDC hdc = CreateICA("DISPLAY", NULL, NULL, NULL);
DWORD r;
DWORD (WINAPI *pSetVirtualResolution)(HDC, DWORD, DWORD, DWORD, DWORD);
INT horz_res = GetDeviceCaps(hdc, HORZRES);
INT horz_size = GetDeviceCaps(hdc, HORZSIZE);
INT log_pixels_x = GetDeviceCaps(hdc, LOGPIXELSX);
SIZE orig_lometric_vp, orig_lometric_wnd;
pSetVirtualResolution = (void *)GetProcAddress(GetModuleHandleA("gdi32.dll"), "SetVirtualResolution");
if(!pSetVirtualResolution)
{
win_skip("Don't have SetVirtualResolution\n");
return;
}
/* Get the true resolution limits */
SetMapMode(hdc, MM_LOMETRIC);
GetViewportExtEx(hdc, &orig_lometric_vp);
GetWindowExtEx(hdc, &orig_lometric_wnd);
SetMapMode(hdc, MM_TEXT);
r = pSetVirtualResolution(hdc, 4000, 1000, 400, 200); /* 10 pix/mm x 5 pix/mm */
ok(r == TRUE, "got %d\n", r);
expect_LPtoDP(hdc, 1000, 1000);
expect_viewport_ext(hdc, 1, 1);
expect_window_ext(hdc, 1, 1);
SetMapMode(hdc, MM_LOMETRIC);
expect_LPtoDP(hdc, 1000, -500);
expect_viewport_ext(hdc, 4000, -1000);
expect_window_ext(hdc, 4000, 2000);
/* Doesn't change the device caps */
ok(horz_res == GetDeviceCaps(hdc, HORZRES), "horz_res changed\n");
ok(horz_size == GetDeviceCaps(hdc, HORZSIZE), "horz_size changed\n");
ok(log_pixels_x == GetDeviceCaps(hdc, LOGPIXELSX), "log_pixels_x changed\n");
r = pSetVirtualResolution(hdc, 8000, 1000, 400, 200); /* 20 pix/mm x 5 pix/mm */
ok(r == TRUE, "got %d\n", r);
expect_LPtoDP(hdc, 1000, -500); /* No change, need to re-set the mapping mode */
SetMapMode(hdc, MM_TEXT);
SetMapMode(hdc, MM_LOMETRIC);
expect_LPtoDP(hdc, 2000, -500);
expect_viewport_ext(hdc, 8000, -1000);
expect_window_ext(hdc, 4000, 2000);
r = pSetVirtualResolution(hdc, 8000, 1000, 200, 200); /* 40 pix/mm x 5 pix/mm */
ok(r == TRUE, "got %d\n", r);
SetMapMode(hdc, MM_TEXT);
SetMapMode(hdc, MM_LOMETRIC);
expect_LPtoDP(hdc, 4000, -500);
expect_viewport_ext(hdc, 8000, -1000);
expect_window_ext(hdc, 2000, 2000);
r = pSetVirtualResolution(hdc, 8000, 1000, 200, 200); /* 40 pix/mm x 5 pix/mm */
ok(r == TRUE, "got %d\n", r);
SetMapMode(hdc, MM_TEXT);
SetMapMode(hdc, MM_LOMETRIC);
expect_LPtoDP(hdc, 4000, -500);
expect_viewport_ext(hdc, 8000, -1000);
expect_window_ext(hdc, 2000, 2000);
r = pSetVirtualResolution(hdc, 8000, 2000, 200, 200); /* 40 pix/mm x 10 pix/mm */
ok(r == TRUE, "got %d\n", r);
SetMapMode(hdc, MM_TEXT);
SetMapMode(hdc, MM_LOMETRIC);
expect_LPtoDP(hdc, 4000, -1000);
expect_viewport_ext(hdc, 8000, -2000);
expect_window_ext(hdc, 2000, 2000);
r = pSetVirtualResolution(hdc, 0, 0, 10, 0); /* Error */
ok(r == FALSE, "got %d\n", r);
SetMapMode(hdc, MM_TEXT);
SetMapMode(hdc, MM_LOMETRIC);
expect_LPtoDP(hdc, 4000, -1000);
expect_viewport_ext(hdc, 8000, -2000);
expect_window_ext(hdc, 2000, 2000);
r = pSetVirtualResolution(hdc, 0, 0, 0, 0); /* Reset to true resolution */
ok(r == TRUE, "got %d\n", r);
SetMapMode(hdc, MM_TEXT);
SetMapMode(hdc, MM_LOMETRIC);
expect_viewport_ext(hdc, orig_lometric_vp.cx, orig_lometric_vp.cy);
expect_window_ext(hdc, orig_lometric_wnd.cx, orig_lometric_wnd.cy);
DeleteDC(hdc);
}
START_TEST(mapping)
{
test_modify_world_transform();
test_world_transform();
test_isotropic_mapping();
test_setvirtualresolution();
}