static int init_mode(int mode)
{
int oldcols=vstat.cols;
int oldwidth=bitmap_width;
int oldheight=bitmap_height;
bitmap_init_mode(mode, &bitmap_width, &bitmap_height);
/* Deal with 40 col doubling */
if(oldcols != vstat.cols) {
if(oldcols == 40)
vstat.scaling /= 2;
if(vstat.cols == 40)
vstat.scaling *= 2;
}
if(vstat.scaling < 1)
vstat.scaling = 1;
map_window();
/* Resize window if necessary. */
if((!(bitmap_width == 0 && bitmap_height == 0)) && (oldwidth != bitmap_width || oldheight != bitmap_height))
resize_window();
send_rectangle(0,0,bitmap_width,bitmap_height,TRUE);
sem_post(&mode_set);
return(0);
}
static void handle_resize_event(int width, int height)
{
int newFSH=1;
int newFSW=1;
// No change
if((width == vstat.charwidth * vstat.cols * vstat.scaling)
&& (height == vstat.charheight * vstat.rows * vstat.scaling))
return;
newFSH=width/bitmap_width;
newFSW=height/bitmap_height;
if(newFSW<1)
newFSW=1;
if(newFSH<1)
newFSH=1;
if(newFSH<newFSW)
vstat.scaling=newFSH;
else
vstat.scaling=newFSW;
if(vstat.scaling > 16)
vstat.scaling=16;
/*
* We only need to resize if the width/height are not even multiples
* Otherwise, we can simply resend everything
*/
if((width % (vstat.charwidth * vstat.cols) != 0)
|| (height % (vstat.charheight * vstat.rows) != 0))
resize_window();
send_rectangle(0,0,bitmap_width,bitmap_height,TRUE);
}
/*
* Actually maps (shows) the window
*/
static void map_window()
{
XSizeHints *sh;
sh = x11.XAllocSizeHints();
if (sh == NULL) {
fprintf(stderr, "Could not get XSizeHints structure");
exit(1);
}
sh->base_width = bitmap_width*vstat.scaling;
sh->base_height = bitmap_height*vstat.scaling;
sh->min_width = sh->width_inc = sh->min_aspect.x = sh->max_aspect.x = bitmap_width;
sh->min_height = sh->height_inc = sh->min_aspect.y = sh->max_aspect.y = bitmap_height;
sh->flags = USSize | PMinSize | PSize | PResizeInc | PAspect;
x11.XSetWMNormalHints(dpy, win, sh);
x11.XMapWindow(dpy, win);
x11.XFree(sh);
send_rectangle(0,0,bitmap_width,bitmap_height,TRUE);
return;
}
/******************************************************************************
* 函数名：send_h_StepBar
* 入口参数：
* 出口参数：无
* 返回值：无
* 说明：显示水平进度条
******************************************************************************/
void send_h_StepBar(unsigned char x, unsigned char y, unsigned char ucWidth,unsigned char BarWidth)
{
//清空显示区域
// clear_block(x,16,119,63);
//显示一个边框
// send_rectangle(x,y,112-x,y+8);
send_rectangle(x,y,BarWidth-x,y+7);
y += 1;
send_line_h(x,y,ucWidth,PIXEL_SET);
send_line_h(x,y+1,ucWidth,PIXEL_SET);
send_line_h(x,y+2,ucWidth,PIXEL_SET);
send_line_h(x,y+3,ucWidth,PIXEL_SET);
send_line_h(x,y+4,ucWidth,PIXEL_SET);
send_line_h(x,y+5,ucWidth,PIXEL_SET);
}
static void expose_rect(x,y,width,height)
{
int sx,sy,ex,ey;
sx=x/vstat.scaling;
sy=y/vstat.scaling;
ex=x+width-1;
ey=y+height-1;
if((ex+1)%vstat.scaling) {
ex += vstat.scaling-(ex%vstat.scaling);
}
if((ey+1)%vstat.scaling) {
ey += vstat.scaling-(ey%vstat.scaling);
}
ex=ex/vstat.scaling;
ey=ey/vstat.scaling;
send_rectangle(sx, sy, ex-sx+1, ey-sy+1, TRUE);
}
