void SetSurface(SystemDraw& w, const Rect& dest, const RGBA *pixels, Size srcsz, Point srcoff)
{
GuiLock __;
XImage ximg;
sInitXImage(ximg, srcsz);
ximg.bitmap_pad = 32;
ximg.bytes_per_line = sizeof(RGBA) * srcsz.cx;
ximg.bits_per_pixel = 32;
ximg.blue_mask = 0x00ff0000;
ximg.green_mask = 0x0000ff00;
ximg.red_mask = 0x000000ff;
ximg.bitmap_unit = 32;
ximg.depth = 24;
ximg.data = (char *)pixels;
XInitImage(&ximg);
Drawable dw = w.GetDrawable();
GC gc = XCreateGC(Xdisplay, dw, 0, 0);
Point p = dest.TopLeft() + w.GetOffset();
XPutImage(Xdisplay, dw, gc, &ximg, srcoff.x, srcoff.y,
p.x, p.y, dest.GetWidth(), dest.GetHeight());
XFreeGC(Xdisplay, gc);
}
void ImageSysData::Paint(SystemDraw& w, int x, int y, const Rect& src, Color c)
{
GuiLock __;
x += w.GetOffset().x;
y += w.GetOffset().y;
Size sz = img.GetSize();
int len = sz.cx * sz.cy;
Rect sr = src & sz;
Size ssz = sr.Size();
if(sr.IsEmpty())
return;
int kind = img.GetKind();
if(kind == IMAGE_EMPTY)
return;
if(kind == IMAGE_OPAQUE && !IsNull(c)) {
w.DrawRect(x, y, sz.cx, sz.cy, c);
return;
}
if(kind == IMAGE_OPAQUE && paintcount == 0 && sr == Rect(sz)) {
SetSurface(w, x, y, sz.cx, sz.cy, ~img);
paintcount++;
return;
}
if(IsNull(c)) {
if(!picture) {
bool opaque = kind == IMAGE_OPAQUE;
Pixmap pixmap = XCreatePixmap(Xdisplay, Xroot, sz.cx, sz.cy, opaque ? 24 : 32);
picture = XRenderCreatePicture(
Xdisplay, pixmap,
XRenderFindStandardFormat(Xdisplay, opaque ? PictStandardRGB24
: PictStandardARGB32),
0, 0
);
XImage ximg;
sInitXImage(ximg, sz);
ximg.bitmap_pad = 32;
ximg.bytes_per_line = 4 * sz.cx;
ximg.bits_per_pixel = 32;
ximg.blue_mask = 0x00ff0000;
ximg.green_mask = 0x0000ff00;
ximg.red_mask = 0x000000ff;
ximg.bitmap_unit = 32;
ximg.data = (char *)~img;
ximg.depth = opaque ? 24 : 32;
XInitImage(&ximg);
GC gc = XCreateGC(Xdisplay, pixmap, 0, 0);
XPutImage(Xdisplay, pixmap, gc, &ximg, 0, 0, 0, 0, sz.cx, sz.cy);
XFreeGC(Xdisplay, gc);
XFreePixmap(Xdisplay, pixmap);
SysImageRealized(img);
}
XRenderComposite(Xdisplay, PictOpOver,
picture, 0, XftDrawPicture(w.GetXftDraw()),
sr.left, sr.top, 0, 0, x, y, ssz.cx, ssz.cy);
}
else {
if(!picture8) {
Pixmap pixmap = XCreatePixmap(Xdisplay, Xroot, sz.cx, sz.cy, 8);
picture8 = XRenderCreatePicture(Xdisplay, pixmap,
XRenderFindStandardFormat(Xdisplay, PictStandardA8),
0, 0);
Buffer<byte> ab(len);
byte *t = ab;
const RGBA *s = ~img;
const RGBA *e = s + len;
while(s < e)
*t++ = (s++)->a;
XImage ximg;
sInitXImage(ximg, sz);
ximg.data = (char *)~ab;
ximg.bitmap_unit = 8;
ximg.bitmap_pad = 8;
ximg.depth = 8;
ximg.bytes_per_line = sz.cx;
ximg.bits_per_pixel = 8;
XInitImage(&ximg);
GC gc = XCreateGC(Xdisplay, pixmap, 0, 0);
XPutImage(Xdisplay, pixmap, gc, &ximg, 0, 0, 0, 0, sz.cx, sz.cy);
XFreeGC(Xdisplay, gc);
XFreePixmap(Xdisplay, pixmap);
}
XRenderComposite(Xdisplay, PictOpOver,
sGetSolidFill(c), picture8, XftDrawPicture(w.GetXftDraw()),
sr.left, sr.top, 0, 0, x, y, ssz.cx, ssz.cy);
}
}
