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copy old pixmap to new on resize

This commit is contained in:
Devin J. Pohly 2010-10-25 15:26:47 -04:00
parent 1243581772
commit d85f7319a2
1 changed files with 15 additions and 1 deletions
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16
st.c
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@ -1260,10 +1260,24 @@ tresize(int col, int row) {
void
xresize(int col, int row) {
Pixmap newbuf;
int oldw, oldh;
oldw = xw.bufw;
oldh = xw.bufh;
xw.bufw = MAX(1, col * xw.cw);
xw.bufh = MAX(1, row * xw.ch);
newbuf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr));
XCopyArea(xw.dis, xw.buf, newbuf, dc.gc, 0, 0, xw.bufw, xw.bufh, 0, 0);
XFreePixmap(xw.dis, xw.buf);
xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr));
XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]);
if(xw.bufw > oldw)
XFillRectangle(xw.dis, newbuf, dc.gc, oldw, 0,
xw.bufw-oldw, MIN(xw.bufh, oldh));
if(xw.bufh > oldh)
XFillRectangle(xw.dis, newbuf, dc.gc, 0, oldh,
xw.bufw, xw.bufh-oldh);
xw.buf = newbuf;
}
void