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oleaut32: Move rendering a bitmap to a separate helper. 

Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Dmitry Timoshkov 2018-08-24 16:04:06 +08:00 committed by Alexandre Julliard
parent 4b525aa0a4
commit 293a679076
1 changed files with 64 additions and 39 deletions
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103
dlls/oleaut32/olepicture.c
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@ -610,6 +610,55 @@ static HRESULT WINAPI OLEPictureImpl_get_Height(IPicture *iface,
return S_OK; return S_OK;
} }
static void render_masked_bitmap(OLEPictureImpl *This, HDC hdc,
LONG x, LONG y, LONG cx, LONG cy, OLE_XPOS_HIMETRIC xSrc, OLE_YPOS_HIMETRIC ySrc,
OLE_XSIZE_HIMETRIC cxSrc, OLE_YSIZE_HIMETRIC cySrc, HBITMAP hbmMask, HBITMAP hbmXor)
{
HBITMAP hbmpOld;
HDC hdcBmp;
/* Set a mapping mode that maps bitmap pixels into HIMETRIC units.
* NB y-axis gets flipped
*/
hdcBmp = CreateCompatibleDC(0);
SetMapMode(hdcBmp, MM_ANISOTROPIC);
SetWindowOrgEx(hdcBmp, 0, 0, NULL);
SetWindowExtEx(hdcBmp, This->himetricWidth, This->himetricHeight, NULL);
SetViewportOrgEx(hdcBmp, 0, This->origHeight, NULL);
SetViewportExtEx(hdcBmp, This->origWidth, -This->origHeight, NULL);
if (hbmMask)
{
HDC hdcMask = CreateCompatibleDC(0);
HBITMAP hOldbm = SelectObject(hdcMask, hbmMask);
hbmpOld = SelectObject(hdcBmp, hbmXor);
SetMapMode(hdcMask, MM_ANISOTROPIC);
SetWindowOrgEx(hdcMask, 0, 0, NULL);
SetWindowExtEx(hdcMask, This->himetricWidth, This->himetricHeight, NULL);
SetViewportOrgEx(hdcMask, 0, This->origHeight, NULL);
SetViewportExtEx(hdcMask, This->origWidth, -This->origHeight, NULL);
SetBkColor(hdc, RGB(255, 255, 255));
SetTextColor(hdc, RGB(0, 0, 0));
StretchBlt(hdc, x, y, cx, cy, hdcMask, xSrc, ySrc, cxSrc, cySrc, SRCAND);
StretchBlt(hdc, x, y, cx, cy, hdcBmp, xSrc, ySrc, cxSrc, cySrc, SRCPAINT);
SelectObject(hdcMask, hOldbm);
DeleteDC(hdcMask);
}
else
{
hbmpOld = SelectObject(hdcBmp, hbmXor);
StretchBlt(hdc, x, y, cx, cy, hdcBmp, xSrc, ySrc, cxSrc, cySrc, SRCCOPY);
}
SelectObject(hdcBmp, hbmpOld);
DeleteDC(hdcBmp);
}
/************************************************************************ /************************************************************************
* OLEPictureImpl_Render * OLEPictureImpl_Render
*/ */
@ -643,48 +692,24 @@ static HRESULT WINAPI OLEPictureImpl_Render(IPicture *iface, HDC hdc,
/* nothing to do */ /* nothing to do */
return S_OK; return S_OK;
case PICTYPE_BITMAP: case PICTYPE_BITMAP:
{
HBITMAP hbmMask, hbmXor;
if (This->hbmMask)
{ {
HBITMAP hbmpOld; hbmMask = This->hbmMask;
HDC hdcBmp; hbmXor = This->hbmXor;
/* Set a mapping mode that maps bitmap pixels into HIMETRIC units.
NB y-axis gets flipped */
hdcBmp = CreateCompatibleDC(0);
SetMapMode(hdcBmp, MM_ANISOTROPIC);
SetWindowOrgEx(hdcBmp, 0, 0, NULL);
SetWindowExtEx(hdcBmp, This->himetricWidth, This->himetricHeight, NULL);
SetViewportOrgEx(hdcBmp, 0, This->origHeight, NULL);
SetViewportExtEx(hdcBmp, This->origWidth, -This->origHeight, NULL);
if (This->hbmMask) {
HDC hdcMask = CreateCompatibleDC(0);
HBITMAP hOldbm = SelectObject(hdcMask, This->hbmMask);
hbmpOld = SelectObject(hdcBmp, This->hbmXor);
SetMapMode(hdcMask, MM_ANISOTROPIC);
SetWindowOrgEx(hdcMask, 0, 0, NULL);
SetWindowExtEx(hdcMask, This->himetricWidth, This->himetricHeight, NULL);
SetViewportOrgEx(hdcMask, 0, This->origHeight, NULL);
SetViewportExtEx(hdcMask, This->origWidth, -This->origHeight, NULL);
SetBkColor(hdc, RGB(255, 255, 255));
SetTextColor(hdc, RGB(0, 0, 0));
StretchBlt(hdc, x, y, cx, cy, hdcMask, xSrc, ySrc, cxSrc, cySrc, SRCAND);
StretchBlt(hdc, x, y, cx, cy, hdcBmp, xSrc, ySrc, cxSrc, cySrc, SRCPAINT);
SelectObject(hdcMask, hOldbm);
DeleteDC(hdcMask);
} else {
hbmpOld = SelectObject(hdcBmp, This->desc.u.bmp.hbitmap);
StretchBlt(hdc, x, y, cx, cy, hdcBmp, xSrc, ySrc, cxSrc, cySrc, SRCCOPY);
}
SelectObject(hdcBmp, hbmpOld);
DeleteDC(hdcBmp);
} }
else
{
hbmMask = 0;
hbmXor = This->desc.u.bmp.hbitmap;
}
render_masked_bitmap(This, hdc, x, y, cx, cy, xSrc, ySrc, cxSrc, cySrc, hbmMask, hbmXor);
break; break;
}
case PICTYPE_ICON: case PICTYPE_ICON:
FIXME("Not quite correct implementation of rendering icons...\n"); FIXME("Not quite correct implementation of rendering icons...\n");
DrawIconEx(hdc, x, y, This->desc.u.icon.hicon, cx, cy, 0, NULL, DI_NORMAL); DrawIconEx(hdc, x, y, This->desc.u.icon.hicon, cx, cy, 0, NULL, DI_NORMAL);