arch/all-hosted/hidd/x11/x11gfx_offbitmap.c

   1 /*
   2     Copyright © 1995-2017, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Offscreen bitmap class for X11 hidd.
   6     Lang: English.
   7 */
   8
   9 /****************************************************************************************/
  10
  11 #include "x11_debug.h"
  12
  13 #include <proto/utility.h>
  14 #include <hidd/gfx.h>
  15
  16 #include "x11_types.h"
  17 #include "x11.h"
  18 #include "x11_hostlib.h"
  19 #include "x11gfx_bitmap.h"
  20
  21 /****************************************************************************************/
  22
  23 BOOL X11BM_InitPM(OOP_Class *cl, OOP_Object *o, struct TagItem *attrList)
  24 {
  25     OOP_Object *friend;
  26     Drawable friend_drawable = 0;
  27     IPTR depth;
  28     struct bitmap_data *data = OOP_INST_DATA(cl, o);
  29
  30     D(bug("[X11OffBm] %s()\n", __PRETTY_FUNCTION__));
  31
  32     /* Retrieve bitmap size from superclass */
  33     OOP_GetAttr(o, aHidd_BitMap_Width , &data->width);
  34     OOP_GetAttr(o, aHidd_BitMap_Height, &data->height);
  35     OOP_GetAttr(o, aHidd_BitMap_Depth , &depth);
  36
  37     friend = (OOP_Object *)GetTagData(aHidd_BitMap_Friend, 0, attrList);
  38     if (friend)
  39     {
  40         /* Get the X11 window from the friend bitmap */
  41         OOP_GetAttr(friend, aHidd_BitMap_X11_Drawable, &friend_drawable);
  42     }
  43
  44     if (!friend_drawable)
  45     {
  46         /* If no friend, or friend is not X11 bitmap, use default friend drawable */
  47         friend_drawable = XSD(cl)->dummy_window_for_creating_pixmaps;
  48     }
  49
  50     /*
  51      * We must only create depths that are supported by the friend drawable
  52      * Currently we only support the default depth, and depth 1
  53      */
  54     if (depth != 1)
  55     {
  56         depth = DefaultDepth(data->display, data->screen);
  57     }
  58     else
  59     {
  60         /* Need this because of stipple bug in XFree86 :-( */
  61         data->width += 32;
  62     }
  63
  64     D(bug("[X11OffBm] %s: Creating X Pixmap, 0x%p, %ld, %ld, %ld\n", __PRETTY_FUNCTION__, friend_drawable, data->width, data->height, depth));
  65
  66     HostLib_Lock();
  67
  68     DRAWABLE(data) = XCALL(XCreatePixmap, data->display, friend_drawable, data->width, data->height, depth);
  69     XCALL(XFlush, data->display);
  70
  71     HostLib_Unlock();
  72
  73     return DRAWABLE(data) ? TRUE : FALSE;
  74 }
  75
  76 /****************************************************************************************/
  77
  78 VOID X11BM_DisposePM(struct bitmap_data *data)
  79 {
  80     D(bug("[X11OffBm] %s()\n", __PRETTY_FUNCTION__));
  81
  82     if (DRAWABLE(data))
  83     {
  84         HostLib_Lock();
  85
  86         XCALL(XFreePixmap, GetSysDisplay(), DRAWABLE(data));
  87         XCALL(XFlush, GetSysDisplay());
  88
  89         HostLib_Unlock();
  90     }
  91 }
  92
  93 /****************************************************************************************/
  94
  95 VOID X11BM_ClearPM(struct bitmap_data *data, HIDDT_Pixel bg)
  96 {
  97     D(bug("[X11OffBm] %s()\n", __PRETTY_FUNCTION__));
  98
  99     XCALL(XSetForeground, data->display, data->gc, bg);
 100     XCALL(XFillRectangle, data->display, DRAWABLE(data), data->gc, 0, 0, data->width, data->height);
 101 }