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Implementation for GetThemePartSize() (not entirely equivalent to 

native uxtheme, but sensibly useable).
This commit is contained in:
Frank Richter 2005-07-27 15:33:31 +00:00 committed by Alexandre Julliard
parent c93da09265
commit 3701cb2fa0
1 changed files with 145 additions and 55 deletions
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200
dlls/uxtheme/draw.c
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@ -370,6 +370,102 @@ static HRESULT UXTHEME_DrawGlyph(HTHEME hTheme, HDC hdc, int iPartId,
return S_OK; return S_OK;
} }
/***********************************************************************
* get_image_part_size
*
* Used by GetThemePartSize and UXTHEME_DrawImageBackground
*/
static HRESULT get_image_part_size (HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, RECT *prc, THEMESIZE eSize,
POINT *psz)
{
HRESULT hr = S_OK;
HBITMAP bmpSrc;
RECT rcSrc;
hr = UXTHEME_LoadImage(hTheme, hdc, iPartId, iStateId, prc, FALSE, &bmpSrc, &rcSrc);
if (FAILED(hr)) return hr;
switch (eSize)
{
case TS_DRAW:
if (prc != NULL)
{
RECT rcDst;
POINT dstSize;
POINT srcSize;
int sizingtype = ST_STRETCH;
BOOL uniformsizing = FALSE;
CopyRect(&rcDst, prc);
dstSize.x = rcDst.right-rcDst.left;
dstSize.y = rcDst.bottom-rcDst.top;
srcSize.x = rcSrc.right-rcSrc.left;
srcSize.y = rcSrc.bottom-rcSrc.top;
GetThemeBool(hTheme, iPartId, iStateId, TMT_UNIFORMSIZING, &uniformsizing);
if(uniformsizing) {
/* Scale height and width equally */
int widthDiff = abs(srcSize.x-dstSize.x);
int heightDiff = abs(srcSize.y-dstSize.x);
if(widthDiff > heightDiff) {
dstSize.y -= widthDiff-heightDiff;
rcDst.bottom = rcDst.top + dstSize.y;
}
else if(heightDiff > widthDiff) {
dstSize.x -= heightDiff-widthDiff;
rcDst.right = rcDst.left + dstSize.x;
}
}
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_SIZINGTYPE, &sizingtype);
if(sizingtype == ST_TRUESIZE) {
int truesizestretchmark = 0;
if(dstSize.x < 0 || dstSize.y < 0) {
BOOL mirrorimage = TRUE;
GetThemeBool(hTheme, iPartId, iStateId, TMT_MIRRORIMAGE, &mirrorimage);
if(mirrorimage) {
if(dstSize.x < 0) {
rcDst.left += dstSize.x;
rcDst.right += dstSize.x;
}
if(dstSize.y < 0) {
rcDst.top += dstSize.y;
rcDst.bottom += dstSize.y;
}
}
}
/* Only stretch when target exceeds source by truesizestretchmark percent */
GetThemeInt(hTheme, iPartId, iStateId, TMT_TRUESIZESTRETCHMARK, &truesizestretchmark);
if(dstSize.x < 0 || dstSize.y < 0 ||
MulDiv(srcSize.x, 100, dstSize.x) > truesizestretchmark ||
MulDiv(srcSize.y, 100, dstSize.y) > truesizestretchmark) {
memcpy (psz, &dstSize, sizeof (SIZE));
}
else {
memcpy (psz, &srcSize, sizeof (SIZE));
}
}
else
{
psz->x = abs(dstSize.x);
psz->y = abs(dstSize.y);
}
break;
}
/* else fall through */
case TS_MIN:
/* FIXME: couldn't figure how native uxtheme computes min size */
case TS_TRUE:
psz->x = rcSrc.right - rcSrc.left;
psz->y = rcSrc.bottom - rcSrc.top;
break;
}
return hr;
}
/*********************************************************************** /***********************************************************************
* UXTHEME_DrawImageBackground * UXTHEME_DrawImageBackground
* *
@ -387,8 +483,8 @@ static HRESULT UXTHEME_DrawImageBackground(HTHEME hTheme, HDC hdc, int iPartId,
RECT rcDst; RECT rcDst;
POINT dstSize; POINT dstSize;
POINT srcSize; POINT srcSize;
int sizingtype = ST_TRUESIZE; POINT drawSize;
BOOL uniformsizing = FALSE; int sizingtype = ST_STRETCH;
BOOL transparent = FALSE; BOOL transparent = FALSE;
COLORREF transparentcolor = 0; COLORREF transparentcolor = 0;
@ -417,59 +513,17 @@ static HRESULT UXTHEME_DrawImageBackground(HTHEME hTheme, HDC hdc, int iPartId,
srcSize.x = rcSrc.right-rcSrc.left; srcSize.x = rcSrc.right-rcSrc.left;
srcSize.y = rcSrc.bottom-rcSrc.top; srcSize.y = rcSrc.bottom-rcSrc.top;
GetThemeBool(hTheme, iPartId, iStateId, TMT_UNIFORMSIZING, &uniformsizing);
if(uniformsizing) {
/* Scale height and width equally */
int widthDiff = abs(srcSize.x-dstSize.x);
int heightDiff = abs(srcSize.y-dstSize.x);
if(widthDiff > heightDiff) {
dstSize.y -= widthDiff-heightDiff;
rcDst.bottom = rcDst.top + dstSize.y;
}
else if(heightDiff > widthDiff) {
dstSize.x -= heightDiff-widthDiff;
rcDst.right = rcDst.left + dstSize.x;
}
}
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_SIZINGTYPE, &sizingtype); GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_SIZINGTYPE, &sizingtype);
if(sizingtype == ST_TRUESIZE) { if(sizingtype == ST_TRUESIZE) {
int truesizestretchmark = 0; get_image_part_size (hTheme, hdc, iPartId, iStateId, pRect, TS_DRAW, &drawSize);
rcDst.left += (dstSize.x/2)-(drawSize.x/2);
if(dstSize.x < 0 || dstSize.y < 0) { rcDst.top += (dstSize.y/2)-(drawSize.y/2);
BOOL mirrorimage = TRUE; rcDst.right = rcDst.left + drawSize.x;
GetThemeBool(hTheme, iPartId, iStateId, TMT_MIRRORIMAGE, &mirrorimage); rcDst.bottom = rcDst.top + drawSize.y;
if(mirrorimage) { if(!UXTHEME_StretchBlt(hdc, rcDst.left, rcDst.top, drawSize.x, drawSize.y,
if(dstSize.x < 0) { hdcSrc, rcSrc.left, rcSrc.top, srcSize.x, srcSize.y,
rcDst.left += dstSize.x; transparent, transparentcolor))
rcDst.right += dstSize.x; hr = HRESULT_FROM_WIN32(GetLastError());
}
if(dstSize.y < 0) {
rcDst.top += dstSize.y;
rcDst.bottom += dstSize.y;
}
}
}
/* Only stretch when target exceeds source by truesizestretchmark percent */
GetThemeInt(hTheme, iPartId, iStateId, TMT_TRUESIZESTRETCHMARK, &truesizestretchmark);
if(dstSize.x < 0 || dstSize.y < 0 ||
MulDiv(srcSize.x, 100, dstSize.x) > truesizestretchmark ||
MulDiv(srcSize.y, 100, dstSize.y) > truesizestretchmark) {
if(!UXTHEME_StretchBlt(hdc, rcDst.left, rcDst.top, dstSize.x, dstSize.y,
hdcSrc, rcSrc.left, rcSrc.top, srcSize.x, srcSize.y,
transparent, transparentcolor))
hr = HRESULT_FROM_WIN32(GetLastError());
}
else {
rcDst.left += (dstSize.x/2)-(srcSize.x/2);
rcDst.top += (dstSize.y/2)-(srcSize.y/2);
rcDst.right = rcDst.left + srcSize.x;
rcDst.bottom = rcDst.top + srcSize.y;
if(!UXTHEME_Blt(hdc, rcDst.left, rcDst.top, srcSize.x, srcSize.y,
hdcSrc, rcSrc.left, rcSrc.top,
transparent, transparentcolor))
hr = HRESULT_FROM_WIN32(GetLastError());
}
} }
else { else {
HDC hdcDst = NULL; HDC hdcDst = NULL;
@ -976,6 +1030,26 @@ HRESULT WINAPI GetThemeBackgroundRegion(HTHEME hTheme, HDC hdc, int iPartId,
return hr; return hr;
} }
/* compute part size for "borderfill" backgrounds */
HRESULT get_border_background_size (HTHEME hTheme, int iPartId,
int iStateId, THEMESIZE eSize, POINT* psz)
{
HRESULT hr = S_OK;
int bordersize = 1;
if (SUCCEEDED (hr = GetThemeInt(hTheme, iPartId, iStateId, TMT_BORDERSIZE,
&bordersize)))
{
psz->x = psz->y = 2*bordersize;
if (eSize != TS_MIN)
{
psz->x++;
psz->y++;
}
}
return hr;
}
/*********************************************************************** /***********************************************************************
* GetThemePartSize (UXTHEME.@) * GetThemePartSize (UXTHEME.@)
*/ */
@ -983,10 +1057,26 @@ HRESULT WINAPI GetThemePartSize(HTHEME hTheme, HDC hdc, int iPartId,
int iStateId, RECT *prc, THEMESIZE eSize, int iStateId, RECT *prc, THEMESIZE eSize,
SIZE *psz) SIZE *psz)
{ {
FIXME("%d %d %d: stub\n", iPartId, iStateId, eSize); int bgtype = BT_BORDERFILL;
HRESULT hr = S_OK;
POINT size = {1, 1};
if(!hTheme) if(!hTheme)
return E_HANDLE; return E_HANDLE;
return ERROR_CALL_NOT_IMPLEMENTED;
GetThemeEnumValue(hTheme, iPartId, iStateId, TMT_BGTYPE, &bgtype);
if(bgtype == BT_IMAGEFILE)
hr = get_image_part_size (hTheme, hdc, iPartId, iStateId, prc, eSize, &size);
else if(bgtype == BT_BORDERFILL)
hr = get_border_background_size (hTheme, iPartId, iStateId, eSize, &size);
else {
FIXME("Unknown background type\n");
/* This should never happen, and hence I don't know what to return */
hr = E_FAIL;
}
psz->cx = size.x;
psz->cy = size.y;
return hr;
} }