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

   1 /*
   2     Copyright © 1995-2014, 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 <stdlib.h>
  14 #include <stdio.h>
  15 #include <X11/Xlib.h>
  16 #include <X11/Xutil.h>
  17 #include <X11/cursorfont.h>
  18 #include <X11/keysym.h>
  19
  20 #include <string.h>
  21
  22 #include <proto/oop.h>
  23 #include <proto/utility.h>
  24
  25 #include <exec/memory.h>
  26 #include <exec/lists.h>
  27 #include <graphics/rastport.h>
  28 #include <graphics/gfx.h>
  29 #include <oop/oop.h>
  30 #include <hidd/graphics.h>
  31
  32 #include "x11gfx_intern.h"
  33 #include "x11.h"
  34 #include "bitmap.h"
  35
  36 /****************************************************************************************/
  37
  38 BOOL X11BM_InitPM(OOP_Class *cl, OOP_Object *o, struct TagItem *attrList)
  39 {
  40     OOP_Object *friend;
  41     Drawable friend_drawable = 0;
  42     IPTR depth;
  43     struct bitmap_data *data = OOP_INST_DATA(cl, o);
  44
  45     D(bug("[X11OffBm] %s()\n", __PRETTY_FUNCTION__));
  46
  47     /* Retrieve bitmap size from superclass */
  48     OOP_GetAttr(o, aHidd_BitMap_Width , &data->width);
  49     OOP_GetAttr(o, aHidd_BitMap_Height, &data->height);
  50     OOP_GetAttr(o, aHidd_BitMap_Depth , &depth);
  51
  52     friend = (OOP_Object *)GetTagData(aHidd_BitMap_Friend, 0, attrList);
  53     if (friend)
  54     {
  55         /* Get the X11 window from the friend bitmap */
  56         OOP_GetAttr(friend, aHidd_X11BitMap_Drawable, &friend_drawable);
  57     }
  58
  59     if (!friend_drawable)
  60     {
  61         /* If no friend, or friend is not X11 bitmap, use default friend drawable */
  62         friend_drawable = XSD(cl)->dummy_window_for_creating_pixmaps;
  63     }
  64
  65     /*
  66      * We must only create depths that are supported by the friend drawable
  67      * Currently we only support the default depth, and depth 1
  68      */
  69     if (depth != 1)
  70     {
  71         depth = DefaultDepth(data->display, data->screen);
  72     }
  73     else
  74     {
  75         /* Need this because of stipple bug in XFree86 :-( */
  76         data->width += 32;
  77     }
  78
  79     D(bug("[X11OffBm] %s: Creating X Pixmap, 0x%p, %ld, %ld, %ld\n", __PRETTY_FUNCTION__, friend_drawable, data->width, data->height, depth));
  80
  81     HostLib_Lock();
  82
  83     DRAWABLE(data) = XCALL(XCreatePixmap, data->display, friend_drawable, data->width, data->height, depth);
  84     XCALL(XFlush, data->display);
  85
  86     HostLib_Unlock();
  87
  88     return DRAWABLE(data) ? TRUE : FALSE;
  89 }
  90
  91 /****************************************************************************************/
  92
  93 VOID X11BM_DisposePM(struct bitmap_data *data)
  94 {
  95     D(bug("[X11OffBm] %s()\n", __PRETTY_FUNCTION__));
  96
  97     if (DRAWABLE(data))
  98     {
  99         HostLib_Lock();
 100
 101         XCALL(XFreePixmap, GetSysDisplay(), DRAWABLE(data));
 102         XCALL(XFlush, GetSysDisplay());
 103
 104         HostLib_Unlock();
 105     }
 106 }
 107
 108 /****************************************************************************************/
 109
 110 VOID X11BM_ClearPM(struct bitmap_data *data, HIDDT_Pixel bg)
 111 {
 112     D(bug("[X11OffBm] %s()\n", __PRETTY_FUNCTION__));
 113
 114     XCALL(XSetForeground, data->display, data->gc, bg);
 115     XCALL(XFillRectangle, data->display, DRAWABLE(data), data->gc, 0, 0, data->width, data->height);
 116 }