summaryrefslogtreecommitdiff
path: root/cd/src/x11/cdxnative.c
blob: c708d200708c0b903fb8aba062738f6a30b66563 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/** \file
 * \brief X-Windows Native Window Driver
 *
 * See Copyright Notice in cd.h
 */

#include <stdlib.h>
#include <stdio.h>

#include "cdx11.h"
#include "cdnative.h"


int cdGetScreenColorPlanes(void)
{
  static int first = 1;
  static int bpp;

  if (first)
  {
    int nitems;
    XVisualInfo info;
    Display* drv_display = XOpenDisplay(NULL);

    info.depth = 24;
    if (XGetVisualInfo(drv_display, VisualDepthMask, &info, &nitems) != NULL)
    {
      bpp = 24;
      XCloseDisplay(drv_display);
      return bpp;
    }

    info.depth = 16;
    if (XGetVisualInfo(drv_display, VisualDepthMask, &info, &nitems) != NULL)
    {
      bpp = 16;
      XCloseDisplay(drv_display);
      return bpp;
    }

    info.depth = 8;
    if (XGetVisualInfo(drv_display, VisualDepthMask, &info, &nitems) != NULL)
    {
      bpp = 8;
      XCloseDisplay(drv_display);
      return bpp;
    }

    info.depth = 4;
    if (XGetVisualInfo(drv_display, VisualDepthMask, &info, &nitems) != NULL)
    {
      bpp = 4;
      XCloseDisplay(drv_display);
      return bpp;
    }

    bpp = 2;
    XCloseDisplay(drv_display);

    first = 0;
  }

  return bpp;
}

void cdGetScreenSize(int *width, int *height, double *width_mm, double *height_mm)
{
  static int first = 1;
  static int dpy_width, dpy_height, dpy_width_mm, dpy_height_mm;

  if (first)
  {
    Display* drv_display = XOpenDisplay(NULL);
    int drv_screen  = DefaultScreen (drv_display);

    dpy_width = DisplayWidth(drv_display,drv_screen);
    dpy_height = DisplayHeight(drv_display,drv_screen);
    dpy_width_mm = DisplayWidthMM(drv_display,drv_screen);
    dpy_height_mm = DisplayHeightMM(drv_display,drv_screen);

    XCloseDisplay(drv_display);

    first = 0;
  }

  if (width) *width = dpy_width;
  if (height) *height = dpy_height;
  if (width_mm) *width_mm = dpy_width_mm;
  if (height_mm) *height_mm = dpy_height_mm;
}

static void cdkillcanvas(cdCtxCanvas *ctxcanvas)
{
  cdxKillCanvas(ctxcanvas);
}

static int cdactivate(cdCtxCanvas *ctxcanvas)
{
  Window root;
  int x, y;
  unsigned int bw, d;
  XGetGeometry(ctxcanvas->dpy, ctxcanvas->wnd, &root, &x, &y,
               (unsigned int*)&ctxcanvas->canvas->w, (unsigned int*)&ctxcanvas->canvas->h, &bw, &d);

  ctxcanvas->canvas->w_mm = ((double)ctxcanvas->canvas->w) / ctxcanvas->canvas->xres;
  ctxcanvas->canvas->h_mm = ((double)ctxcanvas->canvas->h) / ctxcanvas->canvas->yres;

  if (ctxcanvas->canvas->use_matrix)
    ctxcanvas->canvas->cxTransform(ctxcanvas, ctxcanvas->canvas->matrix);

  return CD_OK;
}

static void cdcreatecanvas(cdCanvas* canvas, void *data)
{
  char* data_str = (char*)data;
  Window wnd;
  Display *dpy;
  XWindowAttributes wa;

#ifdef SunOS_OLD
  sscanf(data_str, "%d %lu", &dpy, &wnd); 
#else
  sscanf(data_str, "%p %lu", &dpy, &wnd); 
#endif

  if (!dpy || !wnd) 
    return;

  XGetWindowAttributes(dpy, wnd, &wa);
  cdxCreateCanvas(canvas, dpy, XScreenNumberOfScreen(wa.screen), wnd, wa.visual);
}

static void cdinittable(cdCanvas* canvas)
{
  cdxInitTable(canvas);

  canvas->cxKillCanvas = cdkillcanvas;
  canvas->cxActivate = cdactivate;
}

/******************************************************/

static cdContext cdNativeWindowContext =
{
  CD_CAP_ALL & ~(CD_CAP_PLAY | CD_CAP_YAXIS | CD_CAP_FPRIMTIVES ),
  1,
  cdcreatecanvas,
  cdinittable,
  NULL,
  NULL,
};


cdContext* cdContextNativeWindow(void)
{
  if (cdUseContextPlus(CD_QUERY))
  {
    cdContext* ctx = cdGetContextPlus(CD_CTX_NATIVEWINDOW);
    if (ctx != NULL)
      return ctx;
  }

  return &cdNativeWindowContext;
}