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uxtheme: Support TrueSizeStretchMark property.

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Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zhiyi Zhang 2021-08-24 14:35:26 +08:00 committed by Alexandre Julliard
parent 0d96bf1f38
commit 4b2777db4b
1 changed files with 10 additions and 15 deletions
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25
dlls/uxtheme/draw.c
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@ -579,7 +579,7 @@ static HRESULT get_image_part_size (HTHEME hTheme, HDC hdc, int iPartId,
{
case TS_DRAW:
{
int sizingType = ST_STRETCH, scalingType = TSST_NONE;
int sizingType = ST_STRETCH, scalingType = TSST_NONE, stretchMark = 0;
POINT srcSize;
srcSize.x = rcSrc.right - rcSrc.left;
@ -589,10 +589,13 @@ static HRESULT get_image_part_size (HTHEME hTheme, HDC hdc, int iPartId,
if (sizingType == ST_TRUESIZE)
{
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_TRUESIZESCALINGTYPE, &scalingType);
GetThemeInt(hTheme, iPartId, iStateId, TMT_TRUESIZESTRETCHMARK, &stretchMark);
if (scalingType == TSST_DPI)
{
/* Scale to DPI only if the destination DPI exceeds the source DPI by
* stretchMark percent */
dstDpi = GetDeviceCaps(hdc, LOGPIXELSY);
if (dstDpi && dstDpi != imageDpi)
if (dstDpi && dstDpi != imageDpi && MulDiv(100, dstDpi, imageDpi) >= stretchMark + 100)
{
srcSize.x = MulDiv(srcSize.x, dstDpi, imageDpi);
srcSize.y = MulDiv(srcSize.y, dstDpi, imageDpi);
@ -620,19 +623,11 @@ static HRESULT get_image_part_size (HTHEME hTheme, HDC hdc, int iPartId,
if (sizingType == ST_TRUESIZE)
{
int truesizestretchmark = 100;
/* Whatever TrueSizeStretchMark does - it does not seem to
* be what's outlined below. It appears as if native
* uxtheme always stretches if dest is smaller than source
* (ie as if TrueSizeStretchMark==100 with the code below) */
#if 0
/* Only stretch when target exceeds source by truesizestretchmark percent */
GetThemeInt(hTheme, iPartId, iStateId, TMT_TRUESIZESTRETCHMARK, &truesizestretchmark);
#endif
if (scalingType == TSST_SIZE || dstSize.x < 0 || dstSize.y < 0
|| (MulDiv(srcSize.x, 100, dstSize.x) > truesizestretchmark
&& MulDiv(srcSize.y, 100, dstSize.y) > truesizestretchmark))
if ((dstSize.x < 0 || dstSize.y < 0)
|| (dstSize.x < srcSize.x && dstSize.y < srcSize.y)
|| (scalingType == TSST_SIZE
&& MulDiv(100, dstSize.x, srcSize.x) >= stretchMark + 100
&& MulDiv(100, dstSize.y, srcSize.y) >= stretchMark + 100))
{
*psz = dstSize;
}