pixmap.c

EGui是一个开源的图形系统软件,类似于QT/Embedded、GTK-FB、MicroWindow。目标是嵌入式平台整合解 决方案。基于Linux Framebuffer 设备驱动上实现。有完

/********************************************************
 * Egui code,LGPL
 * Function : pixmap 
 * Author: [e-mail]
 * Data : 2006-03-22
 * $Id: pixmap.c,v 1.1 2006/04/09 23:35:46 hjs Exp $
 ********************************************************/
#include <Egui.h>
#include <widget.h>

Efont *font;


EGui_Widget * 
new_pixmap ( EGui_Widget *pwidget ,short x,short y,short w,short h)
{
  EGui_Widget * pixmap;
  widget_list * list;
  EGui_Wfunc  * pixmap_wfunc;
  EGui_Pixmap * Pixmap ;

  pixmap = (EGui_Widget *) malloc(sizeof (EGui_Widget));
  if (pixmap == NULL)
    {
      printf ("malloc new pixmap failed\n ");
      return (EGui_Widget * )NULL;
    }

  pixmap_wfunc = (EGui_Wfunc *) malloc (sizeof(EGui_Wfunc));
  if (pixmap_wfunc == NULL)
    {
      printf ("malloc new pixmap_wfunc failed\n ");
      return (EGui_Widget * )NULL;
    }
  memset(pixmap_wfunc,0,sizeof(EGui_Wfunc));
  
  Pixmap = (EGui_Pixmap *) malloc (sizeof(EGui_Pixmap));
  if (Pixmap == NULL)
    {
      printf ("malloc new pixmap failed\n ");
      return (EGui_Widget * )NULL;
    }
  

  pixmap->x       = pwidget->x + x;
  pixmap->y       = pwidget->y + y;
  pixmap->width   = pixmap->x + w;
  pixmap->height  = pixmap->y + h;
  pixmap->type    = PIXMAP;
  pixmap->func    = pixmap_wfunc;
  pixmap->parent  = pwidget;
  pixmap->window  = pwidget->window;
  pixmap->child   = NULL;
  
  pwidget->child  = pixmap;

  pixmap->wpoint  = Pixmap; 

  pixmap_init (pixmap_wfunc);

  strcpy (pixmap->name,"pixmap");

  add_newqueue (pixmap);
  
  
  return pixmap;

}

void pixmap_show (EGui_Widget * widget)
{
  widget->status = DISPLAY_ALL;
}

void
pixmap_set (EGui_Widget * widget,EGui_Pixmap * p)
{
  EGui_Pixmap * Pixmap;

  Pixmap = (EGui_Pixmap *)widget->wpoint;

  Pixmap->width   = p->width;
  Pixmap->height  = p->height;
  Pixmap->buffer  = p->buffer;

}
void pixmap_draw (EGui_Widget  * widget)
{
  short x,y,w,h,pw,ph;
  EGui_Window *window;
  EGui_Widget * pixmap;
  EGui_Pixmap * Pixmap;
  char * buffer;


  pixmap = widget;
  Pixmap = (EGui_Pixmap *)widget->wpoint;

  x  = pixmap->x;
  y  = pixmap->y;
  w  = pixmap->width - x;
  h  = pixmap->height - y ;

  pw = Pixmap->width ;
  ph = Pixmap->height ;

  buffer = Pixmap->buffer;
  window = pixmap->window;
  
  if (widget->status == DISPLAY_ALL)
    {
      Egui_drawpixmap (x,y,w,h,buffer,
		       0, 0,pw,ph,
		       pixmap->window);
    }  
}





int
pixmap_init (EGui_Wfunc  * pixmap_wfunc)
{
  
  pixmap_wfunc->show        = pixmap_show;
  pixmap_wfunc->draw        = pixmap_draw;

  return 0;
}