void
scalePixmap (Display * dpy, MyPixmap * src, MyPixmap * dst, int width,
int height)
{
XpmImage xi_src, xi_dst;
int x, y, sx, sy;
unsigned int *src_data, *dst_data;
#ifdef DEBUG
printf ("entering scalePixmap\n");
#endif
/* don't ask me why but sometimes this function gets _REALLY_ big imagesizes
* so there must be something totally wrong somewhere... */
if (width > 20000)
return;
if (height > 20000)
return;
if (width < 1)
return;
if (height < 1)
return;
/* I currently don't know exactly but it _IS_ a bug in here */
XpmCreateXpmImageFromPixmap (dpy, src->pixmap, src->mask, &xi_src, NULL);
dst->width = width;
dst->height = height;
xi_dst.width = width;
xi_dst.height = height;
xi_dst.cpp = xi_src.cpp;
xi_dst.ncolors = xi_src.ncolors;
xi_dst.colorTable = xi_src.colorTable;
xi_dst.data = malloc (sizeof (int) * (xi_dst.width * xi_dst.height));
dst_data = xi_dst.data;
src_data = xi_src.data;
#ifdef DEBUG
printf ("xi_dst.width %i\n", xi_dst.width);
printf ("xi_dst.height %i\n", xi_dst.height);
printf ("xi_src.width %i\n", xi_src.width);
printf ("xi_src.height %i\n", xi_src.height);
#endif
for (y = 0; y < xi_dst.height; y++)
{
dst_data = xi_dst.data + (y * xi_dst.width);
for (x = 0; x < xi_dst.width; x++)
{
sx = (x * xi_src.width) / xi_dst.width;
sy = (y * xi_src.height) / xi_dst.height;
*dst_data = *(src_data + sx + (sy * xi_src.width));
dst_data++;
}
}
XpmCreatePixmapFromXpmImage (dpy, DefaultRootWindow (dpy), &xi_dst,
&dst->pixmap, &dst->mask, NULL);
free (xi_dst.data);
XpmFreeXpmImage (&xi_src);
}
int
SetPixmapsBackground(Image * image, Drawable drawable, Pixel color)
{
XpmImage xpmimage;
XpmAttributes xpmattr;
XpmColorSymbol xpmcolor[1];
unsigned int i;
xpmattr.valuemask = XpmCloseness;
xpmattr.closeness = 32768;
/*
* By default, the XPM library assumes screen 0, so we have
* to pass in the real values. Submitted by Caveh Frank Jalali
*/
xpmattr.valuemask |= XpmVisual | XpmColormap | XpmDepth;
xpmattr.visual = Scr->d_visual;
xpmattr.colormap = XDefaultColormap(dpy, Scr->screen);
xpmattr.depth = Scr->d_depth;
if (XpmCreateXpmImageFromPixmap(dpy, image->pixmap, image->mask, &xpmimage, &xpmattr) != XpmSuccess)
{
fprintf(stderr, "Failed to XpmCreateImage\n");
return (0);
}
for (i = 0; i < xpmimage.ncolors; i++)
if (!strcmp(xpmimage.colorTable[i].c_color, "None"))
break;
if (i < xpmimage.ncolors)
{
XFreePixmap(dpy, image->pixmap);
XFreePixmap(dpy, image->mask);
xpmcolor[0].name = NULL;
xpmcolor[0].value = "none";
xpmcolor[0].pixel = color;
xpmattr.colorsymbols = xpmcolor;
xpmattr.numsymbols = 1;
xpmattr.valuemask |= XpmColorSymbols;
XpmCreatePixmapFromXpmImage(dpy, drawable, &xpmimage, &image->pixmap, &image->mask, &xpmattr);
}
i = xpmimage.ncolors;
XpmFreeXpmImage(&xpmimage);
return (i);
}
