Implemented background transparency on animation control for avi
composed of 8 bpp(or less) image. I added support for 8 bpp or more, but it has not been tested.
This commit is contained in:
Francois Methot
Alexandre Julliard
parent
aa04597a91
commit
587cc122dc
|
|
@ -69,6 +69,9 @@ typedef struct
|
|||
int nToFrame;
|
||||
int nLoop;
|
||||
int currFrame;
|
||||
/* Background frame info*/
|
||||
HBITMAP bkgFrameb;
|
||||
LPDWORD bkColor;
|
||||
} ANIMATE_INFO;
|
||||
|
||||
#define ANIMATE_GetInfoPtr(hWnd) ((ANIMATE_INFO *)GetWindowLongA(hWnd, 0))
|
||||
|
|
@ -111,6 +114,8 @@ static BOOL ANIMATE_LoadResA(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPSTR lpNam
|
|||
return FALSE;
|
||||
}
|
||||
|
||||
infoPtr->bkgFrameb=(HBITMAP)NULL;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
|
@ -154,6 +159,11 @@ static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
|
|||
if (infoPtr->hMMio) {
|
||||
ANIMATE_DoStop(infoPtr);
|
||||
infoPtr->fnmmioClose(infoPtr->hMMio, 0);
|
||||
if (infoPtr->bkgFrameb) {
|
||||
DeleteObject(infoPtr->bkgFrameb);
|
||||
infoPtr->bkgFrameb=(HBITMAP)NULL;
|
||||
infoPtr->bkColor=NULL;
|
||||
}
|
||||
if (infoPtr->hRes) {
|
||||
FreeResource(infoPtr->hRes);
|
||||
infoPtr->hRes = 0;
|
||||
|
|
@ -190,16 +200,104 @@ static LRESULT ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
|
|||
{
|
||||
if (!hDC || !infoPtr->inbih)
|
||||
return TRUE;
|
||||
if (infoPtr->hic)
|
||||
if (infoPtr->hic){
|
||||
if (GetWindowLongA(infoPtr->hWnd, GWL_STYLE) & ACS_TRANSPARENT){
|
||||
FIXME("TRANSPARENCY NOT SUPPORTED(NOT TESTED) FOR COMPRESSED IMAGE\n");
|
||||
}
|
||||
StretchDIBits(hDC, 0, 0, infoPtr->outbih->biWidth, infoPtr->outbih->biHeight,
|
||||
0, 0, infoPtr->outbih->biWidth, infoPtr->outbih->biHeight,
|
||||
infoPtr->outdata, (LPBITMAPINFO)infoPtr->outbih, DIB_RGB_COLORS,
|
||||
SRCCOPY);
|
||||
}
|
||||
else{
|
||||
if (GetWindowLongA(infoPtr->hWnd, GWL_STYLE) & ACS_TRANSPARENT){
|
||||
HBITMAP hbmMem, hbmMem2,hbmMem3;
|
||||
HDC hdcSrc, hdcMask, hdcMem;
|
||||
|
||||
hdcSrc = CreateCompatibleDC(hDC);
|
||||
hdcMask = CreateCompatibleDC(hDC);
|
||||
hdcMem = CreateCompatibleDC(hDC);
|
||||
|
||||
/* create a Black and white bitmap */
|
||||
hbmMem = CreateCompatibleBitmap( hDC,infoPtr->inbih->biWidth,infoPtr->inbih->biHeight);
|
||||
hbmMem2 = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1, 1, NULL);
|
||||
hbmMem3 = CreateCompatibleBitmap( hDC,infoPtr->inbih->biWidth,infoPtr->inbih->biHeight);
|
||||
|
||||
SelectObject( hdcSrc, hbmMem);
|
||||
|
||||
StretchDIBits(hdcSrc, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,
|
||||
0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,
|
||||
infoPtr->indata, (LPBITMAPINFO)infoPtr->inbih, DIB_RGB_COLORS,
|
||||
SRCCOPY);
|
||||
|
||||
if (infoPtr->bkgFrameb==(HBITMAP)NULL)
|
||||
{
|
||||
infoPtr->bkgFrameb = CreateCompatibleBitmap( hDC,infoPtr->inbih->biWidth,infoPtr->inbih->biHeight);
|
||||
SelectObject( hdcMem, infoPtr->bkgFrameb);
|
||||
BitBlt(hdcMem, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hDC, 0, 0, SRCCOPY);
|
||||
/* Get the transparent color from the first frame*/
|
||||
if (infoPtr->inbih->biBitCount<=8)
|
||||
infoPtr->bkColor = (LPVOID)((LPSTR)infoPtr->inbih + (WORD)(((LPBITMAPINFO)infoPtr->inbih)->bmiHeader.biSize));
|
||||
else
|
||||
infoPtr->bkColor = (LPVOID)GetPixel(hdcSrc, 0, 0);
|
||||
|
||||
}
|
||||
/* Need the copy of the original destination HDC*/
|
||||
SelectObject( hdcSrc, infoPtr->bkgFrameb);
|
||||
SelectObject( hdcMem, hbmMem3);
|
||||
BitBlt(hdcMem, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcSrc, 0, 0, SRCCOPY);
|
||||
|
||||
SelectObject( hdcSrc, hbmMem);
|
||||
SelectObject( hdcMask, hbmMem2);
|
||||
|
||||
/*Windows converts a color source into monochrome when the destination is
|
||||
monochrome. In this situation, all pixels in the color bitmap that are the same color
|
||||
as the background color become 1s, and all the other pixels are converted to 0s. */
|
||||
|
||||
if (infoPtr->inbih->biBitCount<=8)
|
||||
SetBkColor(hdcSrc, infoPtr->bkColor[(((BYTE*)infoPtr->indata)[0])]);
|
||||
else{ /* has not been tested with more then 8 bpp */
|
||||
FIXME("Has not been test with more than 8bpp, errors are possible\n");
|
||||
SetBkColor(hdcSrc, (COLORREF)infoPtr->bkColor);
|
||||
}
|
||||
|
||||
BitBlt(hdcMask, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcSrc, 0, 0, SRCCOPY);
|
||||
|
||||
/*During a blt operation with a color destination, a monochrome source bitmap
|
||||
(and/or a brush when applicable) is converted to color on the fly before the
|
||||
actual ROP is carried out on the bits. The 0 (black) pixels in the monochrome
|
||||
bitmap are converted to the destination's text (foreground) color, and the 1
|
||||
(white) pixels are converted to the background color. */
|
||||
|
||||
SetBkColor(hdcSrc, RGB(0,0,0)); // 1s --> black (0x000000)
|
||||
SetTextColor(hdcSrc, RGB(255,255,255)); // 0s --> white (0xFFFFFF)
|
||||
|
||||
BitBlt(hdcSrc, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
|
||||
|
||||
SetBkColor(hdcMem, RGB(255,255,255)); // 0s --> white (0xFFFFFF)
|
||||
SetTextColor(hdcMem, RGB(0,0,0)); // 1s --> black (0x000000)
|
||||
|
||||
BitBlt(hdcMem, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
|
||||
|
||||
BitBlt(hdcMem, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcSrc, 0, 0, SRCPAINT);
|
||||
|
||||
BitBlt(hDC, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMem, 0, 0, SRCCOPY);
|
||||
|
||||
DeleteDC(hdcMem);
|
||||
DeleteDC(hdcSrc);
|
||||
DeleteDC(hdcMask);
|
||||
DeleteObject(hbmMem);
|
||||
DeleteObject(hbmMem2);
|
||||
DeleteObject(hbmMem3);
|
||||
|
||||
}
|
||||
else{
|
||||
StretchDIBits(hDC, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,
|
||||
0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,
|
||||
infoPtr->indata, (LPBITMAPINFO)infoPtr->inbih, DIB_RGB_COLORS,
|
||||
SRCCOPY);
|
||||
}
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue