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gdi32: Update the DC mappings when the layout is changed.

This commit is contained in:
Alexandre Julliard 2010-07-23 11:34:07 +02:00
parent 480117fdaf
commit f695c1d19d
3 changed files with 84 additions and 1 deletions
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6
dlls/gdi32/dc.c
View File

@ -289,6 +289,7 @@ static void construct_window_to_viewport(DC *dc, XFORM *xform)
scaleX = (double)dc->vportExtX / (double)dc->wndExtX;
scaleY = (double)dc->vportExtY / (double)dc->wndExtY;
if (dc->layout & LAYOUT_RTL) scaleX = -scaleX;
xform->eM11 = scaleX;
xform->eM12 = 0.0;
xform->eM21 = 0.0;
@ -1948,6 +1949,11 @@ DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
{
oldlayout = dc->layout;
dc->layout = layout;
if (layout != oldlayout)
{
if (layout & LAYOUT_RTL) dc->MapMode = MM_ANISOTROPIC;
DC_UpdateXforms( dc );
}
release_dc_ptr( dc );
}

3
dlls/gdi32/mapping.c
View File

@ -185,7 +185,8 @@ INT WINAPI SetMapMode( HDC hdc, INT mode )
default:
goto done;
}
dc->MapMode = mode;
/* RTL layout is always MM_ANISOTROPIC */
if (!(dc->layout & LAYOUT_RTL)) dc->MapMode = mode;
DC_UpdateXforms( dc );
done:
release_dc_ptr( dc );

76
dlls/gdi32/tests/mapping.c
View File

@ -217,6 +217,81 @@ static void test_world_transform(void)
DeleteDC(hdc);
}
static void test_dc_layout(void)
{
INT ret, size_cx, size_cy, res_x, res_y, dpi_x, dpi_y;
SIZE size;
DWORD (WINAPI *pSetLayout)(HDC hdc, DWORD layout);
DWORD (WINAPI *pGetLayout)(HDC hdc);
HDC hdc;
pGetLayout = (void *)GetProcAddress(GetModuleHandleA("gdi32.dll"), "GetLayout");
pSetLayout = (void *)GetProcAddress(GetModuleHandleA("gdi32.dll"), "SetLayout");
if (!pGetLayout || !pSetLayout)
{
win_skip( "Don't have SetLayout\n" );
return;
}
hdc = CreateCompatibleDC(0);
size_cx = GetDeviceCaps(hdc, HORZSIZE);
size_cy = GetDeviceCaps(hdc, VERTSIZE);
res_x = GetDeviceCaps(hdc, HORZRES);
res_y = GetDeviceCaps(hdc, VERTRES);
dpi_x = GetDeviceCaps(hdc, LOGPIXELSX);
dpi_y = GetDeviceCaps(hdc, LOGPIXELSY);
ret = GetMapMode( hdc );
ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
expect_viewport_ext(hdc, 1, 1);
expect_window_ext(hdc, 1, 1);
expect_world_transform(hdc, 1.0, 1.0);
expect_LPtoDP(hdc, 1000, 1000);
pSetLayout( hdc, LAYOUT_RTL );
if (!pGetLayout( hdc ))
{
win_skip( "SetLayout not supported\n" );
DeleteDC(hdc);
return;
}
ret = GetMapMode( hdc );
ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
expect_viewport_ext(hdc, 1, 1);
expect_window_ext(hdc, 1, 1);
expect_world_transform(hdc, 1.0, 1.0);
expect_LPtoDP(hdc, -1000, 1000);
SetMapMode(hdc, MM_LOMETRIC);
ret = GetMapMode( hdc );
ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
expect_viewport_ext(hdc, res_x, -res_y);
ok( GetWindowExtEx( hdc, &size ), "GetWindowExtEx failed\n" );
ok( rough_match( size.cx, size_cx * 10 ) ||
rough_match( size.cx, MulDiv( res_x, 254, dpi_x )), /* Vista uses a more precise method */
"expected cx %d or %d, got %d\n", size_cx * 10, MulDiv( res_x, 254, dpi_x ), size.cx );
ok( rough_match( size.cy, size_cy * 10 ) ||
rough_match( size.cy, MulDiv( res_y, 254, dpi_y )), /* Vista uses a more precise method */
"expected cy %d or %d, got %d\n", size_cy * 10, MulDiv( res_y, 254, dpi_y ), size.cy );
expect_world_transform(hdc, 1.0, 1.0);
expect_LPtoDP(hdc, -MulDiv(1000 / 10, res_x, size_cx), -MulDiv(1000 / 10, res_y, size_cy));
SetMapMode(hdc, MM_TEXT);
ret = GetMapMode( hdc );
ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
pSetLayout( hdc, LAYOUT_LTR );
ret = GetMapMode( hdc );
ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
SetMapMode(hdc, MM_TEXT);
ret = GetMapMode( hdc );
ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
DeleteDC(hdc);
}
static void test_modify_world_transform(void)
{
HDC hdc = GetDC(0);
@ -562,6 +637,7 @@ START_TEST(mapping)
{
test_modify_world_transform();
test_world_transform();
test_dc_layout();
test_isotropic_mapping();
test_setvirtualresolution();
test_gettransform();