Default to 96dpi when not specified in the config file.
[wine] / dlls / x11drv / init.c
1 /*
2  * X11 graphics driver initialisation functions
3  *
4  * Copyright 1996 Alexandre Julliard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 #include "config.h"
22
23 #include <stdarg.h>
24 #include <string.h>
25
26 #include "windef.h"
27 #include "winbase.h"
28 #include "x11drv.h"
29 #include "x11font.h"
30 #include "ddrawi.h"
31 #include "wine/debug.h"
32
33 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
34
35 Display *gdi_display;  /* display to use for all GDI functions */
36
37 /* a few dynamic device caps */
38 static int log_pixels_x;  /* pixels per logical inch in x direction */
39 static int log_pixels_y;  /* pixels per logical inch in y direction */
40 static int horz_size;     /* horz. size of screen in millimeters */
41 static int vert_size;     /* vert. size of screen in millimeters */
42 static int palette_size;
43 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
44                           TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
45                           TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
46                           /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
47
48 /**********************************************************************
49  *           X11DRV_GDI_Initialize
50  */
51 BOOL X11DRV_GDI_Initialize( Display *display )
52 {
53     gdi_display = display;
54
55     palette_size = X11DRV_PALETTE_Init();
56
57     if (!X11DRV_BITMAP_Init()) return FALSE;
58
59     /* Initialize XRender */
60     X11DRV_XRender_Init();
61
62     /* Initialize fonts and text caps */
63
64     log_pixels_x = log_pixels_y = 96;
65     X11DRV_FONT_Init( &log_pixels_x, &log_pixels_y );
66     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
67     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
68     return TRUE;
69 }
70
71 /**********************************************************************
72  *           X11DRV_GDI_Finalize
73  */
74 void X11DRV_GDI_Finalize(void)
75 {
76     X11DRV_PALETTE_Cleanup();
77     XCloseDisplay( gdi_display );
78     gdi_display = NULL;
79 }
80
81 /**********************************************************************
82  *           X11DRV_CreateDC
83  */
84 BOOL X11DRV_CreateDC( HDC hdc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
85                       LPCWSTR output, const DEVMODEW* initData )
86 {
87     X11DRV_PDEVICE *physDev;
88
89     physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
90     if (!physDev) return FALSE;
91
92     *pdev = physDev;
93     physDev->hdc = hdc;
94
95     if (GetObjectType( hdc ) == OBJ_MEMDC)
96     {
97         physDev->drawable  = BITMAP_stock_pixmap;
98         physDev->depth     = 1;
99     }
100     else
101     {
102         physDev->drawable  = root_window;
103         physDev->depth     = screen_depth;
104     }
105     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
106
107     wine_tsx11_lock();
108     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
109     XSetGraphicsExposures( gdi_display, physDev->gc, False );
110     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
111     XFlush( gdi_display );
112     wine_tsx11_unlock();
113     return TRUE;
114 }
115
116
117 /**********************************************************************
118  *           X11DRV_DeleteDC
119  */
120 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
121 {
122     if(physDev->xrender)
123       X11DRV_XRender_DeleteDC( physDev );
124     DeleteObject( physDev->region );
125     wine_tsx11_lock();
126     XFreeGC( gdi_display, physDev->gc );
127     while (physDev->used_visuals-- > 0)
128         XFree(physDev->visuals[physDev->used_visuals]);
129     wine_tsx11_unlock();
130     HeapFree( GetProcessHeap(), 0, physDev );
131     return TRUE;
132 }
133
134
135 /***********************************************************************
136  *           GetDeviceCaps    (X11DRV.@)
137  */
138 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
139 {
140     switch(cap)
141     {
142     case DRIVERVERSION:
143         return 0x300;
144     case TECHNOLOGY:
145         return DT_RASDISPLAY;
146     case HORZSIZE:
147         return horz_size;
148     case VERTSIZE:
149         return vert_size;
150     case HORZRES:
151         return screen_width;
152     case VERTRES:
153         return screen_height;
154     case BITSPIXEL:
155         return screen_depth;
156     case PLANES:
157         return 1;
158     case NUMBRUSHES:
159         return -1;
160     case NUMPENS:
161         return -1;
162     case NUMMARKERS:
163         return 0;
164     case NUMFONTS:
165         return 0;
166     case NUMCOLORS:
167         /* MSDN: Number of entries in the device's color table, if the device has
168          * a color depth of no more than 8 bits per pixel.For devices with greater
169          * color depths, -1 is returned. */
170         return (screen_depth > 8) ? -1 : (1 << screen_depth);
171     case PDEVICESIZE:
172         return sizeof(X11DRV_PDEVICE);
173     case CURVECAPS:
174         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
175                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
176     case LINECAPS:
177         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
178                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
179     case POLYGONALCAPS:
180         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
181                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
182     case TEXTCAPS:
183         return text_caps;
184     case CLIPCAPS:
185         return CP_REGION;
186     case RASTERCAPS:
187         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
188                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
189                 (palette_size ? RC_PALETTE : 0));
190     case ASPECTX:
191     case ASPECTY:
192         return 36;
193     case ASPECTXY:
194         return 51;
195     case LOGPIXELSX:
196         return log_pixels_x;
197     case LOGPIXELSY:
198         return log_pixels_y;
199     case CAPS1:
200         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
201         /* please see wingdi.h for the possible bit-flag values that need
202            to be returned. also, see
203            http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm */
204         return 0;
205     case SIZEPALETTE:
206         return palette_size;
207     case NUMRESERVED:
208     case COLORRES:
209     case PHYSICALWIDTH:
210     case PHYSICALHEIGHT:
211     case PHYSICALOFFSETX:
212     case PHYSICALOFFSETY:
213     case SCALINGFACTORX:
214     case SCALINGFACTORY:
215     case VREFRESH:
216     case DESKTOPVERTRES:
217     case DESKTOPHORZRES:
218     case BTLALIGNMENT:
219         return 0;
220     default:
221         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
222         return 0;
223     }
224 }
225
226
227 /**********************************************************************
228  *           ExtEscape  (X11DRV.@)
229  */
230 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
231                       INT out_count, LPVOID out_data )
232 {
233     switch(escape)
234     {
235     case QUERYESCSUPPORT:
236         if (in_data)
237         {
238             switch (*(INT *)in_data)
239             {
240             case DCICOMMAND:
241                 return DD_HAL_VERSION;
242             case X11DRV_ESCAPE:
243                 return TRUE;
244             }
245         }
246         break;
247
248     case DCICOMMAND:
249         if (in_data)
250         {
251             const DCICMD *lpCmd = in_data;
252             if (lpCmd->dwVersion != DD_VERSION) break;
253             return X11DRV_DCICommand(in_count, lpCmd, out_data);
254         }
255         break;
256
257     case X11DRV_ESCAPE:
258         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
259         {
260             switch(*(enum x11drv_escape_codes *)in_data)
261             {
262             case X11DRV_GET_DISPLAY:
263                 if (out_count >= sizeof(Display *))
264                 {
265                     *(Display **)out_data = gdi_display;
266                     return TRUE;
267                 }
268                 break;
269             case X11DRV_GET_DRAWABLE:
270                 if (out_count >= sizeof(Drawable))
271                 {
272                     *(Drawable *)out_data = physDev->drawable;
273                     return TRUE;
274                 }
275                 break;
276             case X11DRV_GET_FONT:
277                 if (out_count >= sizeof(Font))
278                 {
279                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
280                     if (pfo == NULL) return FALSE;
281                     *(Font *)out_data = pfo->fs->fid;
282                     return TRUE;
283                 }
284                 break;
285             case X11DRV_SET_DRAWABLE:
286                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
287                 {
288                     struct x11drv_escape_set_drawable *data = (struct x11drv_escape_set_drawable *)in_data;
289                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
290                     physDev->org = data->org;
291                     physDev->drawable = data->drawable;
292                     physDev->drawable_org = data->drawable_org;
293                     wine_tsx11_lock();
294                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
295                     wine_tsx11_unlock();
296                     return TRUE;
297                 }
298                 break;
299             case X11DRV_START_EXPOSURES:
300                 wine_tsx11_lock();
301                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
302                 wine_tsx11_unlock();
303                 physDev->exposures = 0;
304                 return TRUE;
305             case X11DRV_END_EXPOSURES:
306                 if (out_count >= sizeof(HRGN))
307                 {
308                     HRGN hrgn = 0, tmp = 0;
309
310                     wine_tsx11_lock();
311                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
312                     if (physDev->exposures)
313                     {
314                         for (;;)
315                         {
316                             XEvent event;
317
318                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
319                             if (event.type == NoExpose) break;
320                             if (event.type == GraphicsExpose)
321                             {
322                                 int x = event.xgraphicsexpose.x - physDev->org.x;
323                                 int y = event.xgraphicsexpose.y - physDev->org.y;
324
325                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
326                                        event.xgraphicsexpose.width,
327                                        event.xgraphicsexpose.height,
328                                        event.xgraphicsexpose.count );
329
330                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
331                                 SetRectRgn( tmp, x, y,
332                                             x + event.xgraphicsexpose.width,
333                                             y + event.xgraphicsexpose.height );
334                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
335                                 else
336                                 {
337                                     hrgn = tmp;
338                                     tmp = 0;
339                                 }
340                                 if (!event.xgraphicsexpose.count) break;
341                             }
342                             else
343                             {
344                                 ERR( "got unexpected event %d\n", event.type );
345                                 break;
346                             }
347                         }
348                         if (tmp) DeleteObject( tmp );
349                     }
350                     wine_tsx11_unlock();
351                     *(HRGN *)out_data = hrgn;
352                     return TRUE;
353                 }
354                 break;
355             }
356         }
357         break;
358     }
359     return 0;
360 }