/**
* Draw part of the image.
*
* @param psd Drawing surface.
* @param x X destination co-ordinate.
* @param y Y destination co-ordinate.
* @param width If >=0, the image will be scaled to this width.
* If <0, the image will not be scaled horiziontally.
* @param height If >=0, the image will be scaled to this height.
* If <0, the image will not be scaled vertically.
* @param sx source X co-ordinate.
* @param sy source Y co-ordinate.
* @param swidth source width.
* @param sheight source height.
* @param id Image to draw.
*/
void
GdDrawImagePartToFit(PSD psd, MWCOORD x, MWCOORD y, MWCOORD width, MWCOORD height,
MWCOORD sx, MWCOORD sy, MWCOORD swidth, MWCOORD sheight,
int id)
{
PIMAGEITEM pItem;
PMWIMAGEHDR pimage;
pItem = findimage(id);
if (!pItem)
return;
pimage = pItem->pimage;
/*
* Display image, possibly stretch/shrink to resize
*/
if (height < 0)
height = pimage->height;
if (width < 0)
width = pimage->width;
if (height != pimage->height || width != pimage->width) {
MWCLIPRECT rcDst,rcSrc;
MWIMAGEHDR image2;
/* create similar image, different width/height*/
image2.width = width;
image2.height = height;
image2.planes = pimage->planes;
image2.bpp = pimage->bpp;
GdComputeImagePitch(pimage->bpp, width, &image2.pitch,
&image2.bytesperpixel);
image2.compression = pimage->compression;
image2.palsize = pimage->palsize;
image2.palette = pimage->palette; /* already allocated*/
image2.transcolor = pimage->transcolor;
if( (image2.imagebits = malloc(image2.pitch*height)) == NULL) {
EPRINTF("GdDrawImageToFit: no memory\n");
return;
}
rcDst.x = 0;
rcDst.y = 0;
rcDst.width = width;
rcDst.height = height;
rcSrc.x = sx;
rcSrc.y = sy;
rcSrc.width = swidth;
rcSrc.height = sheight;
/* Stretch full source to destination rectangle*/
GdStretchImage(pimage, &rcSrc, &image2, &rcDst);
GdDrawImage(psd, x, y, &image2);
free(image2.imagebits);
} else
GdDrawImage(psd, x, y, pimage);
}
/* Microwindows only*/
BOOL WINAPI
DrawDIB(HDC hdc,int x,int y,PMWIMAGEHDR pimage)
{
HWND hwnd;
POINT pt;
hwnd = MwPrepareDC(hdc);
if(!hwnd || !pimage)
return FALSE;
pt.x = x;
pt.y = y;
if(MwIsClientDC(hdc))
ClientToScreen(hwnd, &pt);
GdDrawImage(hdc->psd, pt.x, pt.y, pimage);
return TRUE;
}
