static void init_pixtemp(int id, int vp_id, int x, int y, int x1, int y1, int x2, int y2)
{
HDC hdc, hdcPix;
HBITMAP xpixOld;
POINT pt;
float xx1, yy1, xx2, yy2;
tempx1 = x1;
tempy1 = y1;
temp_dx = x2 - x1 + 1;
temp_dy = y2 - y1 + 1;
tempx = x;
tempy = y;
/* yy is upside down , so wap x1 and x2 (??) */
if (INTERNAL_get_clampscrollbars(id, vp_id, &xx1, &yy1, &xx2, &yy2) == G_OK) {
float tmp = xx1;
xx1 = xx2;
xx2 = tmp;
clampx1 = -xx1 * temp_dx;
clampy1 = -yy1 * temp_dy;
clampx2 = xx2 * temp_dx;
clampy2 = yy2 * temp_dy;
pixclamp = TRUE;
}
else
pixclamp = FALSE;
hdc = GetDC(WI[id].child[C_DRAWAREA].hwnd);
hdcPix = CreateCompatibleDC(hdc);
pixtemp = CreateCompatibleBitmap(hdc,
temp_dx,
temp_dy);
xpixOld = SelectObject(hdcPix, pixtemp);
BitBlt(hdcPix,
0, 0,
temp_dx, temp_dy,
hdc,
tempx1, tempy1,
SRCCOPY);
SelectObject(hdcPix, xpixOld);
DeleteDC(hdcPix);
ReleaseDC(WI[id].child[C_DRAWAREA].hwnd, hdc);
WI[id].pixcopymode = TRUE;
if (WI[id].usepix)
WI[id].locked = TRUE;
else
WI[id].locked = FALSE;
}
void init_pixtemp(int id, int vp_id,int x, int y, int x1, int y1, int x2, int y2)
{
float xx1,yy1,xx2,yy2;
tempx1 = x1;
tempy1 = y1;
temp_dx = x2 - x1 + 1;
temp_dy = y2 - y1 + 1;
tempx = x;
tempy = y;
/* yy is upside down , so wap x1 and x2 (??) */
if (INTERNAL_get_clampscrollbars(id,vp_id,&xx1,&yy1,&xx2,&yy2) == G_OK) {
float tmp = xx1;
xx1 = xx2;
xx2 = tmp;
clampx1 = -xx1 * temp_dx;
clampy1 = -yy1 * temp_dy;
clampx2 = xx2 * temp_dx;
clampy2 = yy2 * temp_dy;
pixclamp = TRUE;
/*
fprintf(stderr,"%d %d %d %d clamp\n",clampx1,clampx2,clampy1,clampy2);
*/
}
else
pixclamp = FALSE;
pixtemp = XCreatePixmap(INTERNAL_display, INTERNAL_rootwin,
temp_dx, temp_dy,
DefaultDepth(INTERNAL_display,INTERNAL_screen));
XCopyArea(INTERNAL_display, xwini[id].xdraw, pixtemp,
gc_pix, tempx1, tempy1, temp_dx, temp_dy, 0, 0);
xwini[id].xlib_pixcopymode = TRUE;
if (xwini[id].double_buffering) {
tempbufflag = TRUE;
xwini[id].xdraw = xwini[id].xwin;
xwini[id].double_buffering = FALSE;
}
else
tempbufflag = FALSE;
}
