Fixes for memory leaks on error path.
[wine/hacks.git] / graphics / x11drv / init.c
blob0b1816f4cd3def1a898f2e5a9e79ff334ca57830
1 /*
2 * X11 graphics driver initialisation functions
4 * Copyright 1996 Alexandre Julliard
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.
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.
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
21 #include "config.h"
23 #include "ts_xlib.h"
25 #include <stdarg.h>
26 #include <string.h>
28 #include "windef.h"
29 #include "winbase.h"
30 #include "bitmap.h"
31 #include "x11drv.h"
32 #include "x11font.h"
33 #include "ddrawi.h"
34 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
38 const DC_FUNCTIONS *X11DRV_DC_Funcs = NULL; /* hack */
40 Display *gdi_display; /* display to use for all GDI functions */
42 /* a few dynamic device caps */
43 static int log_pixels_x; /* pixels per logical inch in x direction */
44 static int log_pixels_y; /* pixels per logical inch in y direction */
45 static int horz_size; /* horz. size of screen in millimeters */
46 static int vert_size; /* vert. size of screen in millimeters */
47 static int palette_size;
48 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
49 TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
50 TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
51 /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
53 /**********************************************************************
54 * X11DRV_GDI_Initialize
56 BOOL X11DRV_GDI_Initialize( Display *display )
58 Screen *screen = DefaultScreenOfDisplay(display);
60 gdi_display = display;
62 palette_size = X11DRV_PALETTE_Init();
64 if (!X11DRV_BITMAP_Init()) return FALSE;
66 /* Initialize XRender */
67 X11DRV_XRender_Init();
69 /* Initialize fonts and text caps */
71 log_pixels_x = MulDiv( WidthOfScreen(screen), 254, WidthMMOfScreen(screen) * 10 );
72 log_pixels_y = MulDiv( HeightOfScreen(screen), 254, HeightMMOfScreen(screen) * 10 );
73 X11DRV_FONT_Init( &log_pixels_x, &log_pixels_y );
74 horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
75 vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
76 return TRUE;
79 /**********************************************************************
80 * X11DRV_GDI_Finalize
82 void X11DRV_GDI_Finalize(void)
84 X11DRV_PALETTE_Cleanup();
85 XCloseDisplay( gdi_display );
86 gdi_display = NULL;
89 /**********************************************************************
90 * X11DRV_CreateDC
92 BOOL X11DRV_CreateDC( DC *dc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
93 LPCWSTR output, const DEVMODEW* initData )
95 X11DRV_PDEVICE *physDev;
97 if (!X11DRV_DC_Funcs) X11DRV_DC_Funcs = dc->funcs; /* hack */
99 physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
100 if(!physDev) {
101 ERR("Can't allocate physDev\n");
102 return FALSE;
104 *pdev = physDev;
105 physDev->hdc = dc->hSelf;
106 physDev->dc = dc; /* FIXME */
108 if (GetObjectType( dc->hSelf ) == OBJ_MEMDC)
110 physDev->drawable = BITMAP_stock_pixmap;
112 else
114 physDev->drawable = root_window;
115 dc->bitsPerPixel = screen_depth;
117 physDev->org.x = physDev->org.y = 0;
118 physDev->drawable_org.x = physDev->drawable_org.y = 0;
120 physDev->current_pf = 0;
121 physDev->used_visuals = 0;
123 wine_tsx11_lock();
124 physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
125 XSetGraphicsExposures( gdi_display, physDev->gc, False );
126 XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
127 XFlush( gdi_display );
128 wine_tsx11_unlock();
129 return TRUE;
133 /**********************************************************************
134 * X11DRV_DeleteDC
136 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
138 if(physDev->xrender)
139 X11DRV_XRender_DeleteDC( physDev );
140 wine_tsx11_lock();
141 XFreeGC( gdi_display, physDev->gc );
142 while (physDev->used_visuals-- > 0)
143 XFree(physDev->visuals[physDev->used_visuals]);
144 wine_tsx11_unlock();
145 HeapFree( GetProcessHeap(), 0, physDev );
146 return TRUE;
150 /***********************************************************************
151 * GetDeviceCaps (X11DRV.@)
153 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
155 switch(cap)
157 case DRIVERVERSION:
158 return 0x300;
159 case TECHNOLOGY:
160 return DT_RASDISPLAY;
161 case HORZSIZE:
162 return horz_size;
163 case VERTSIZE:
164 return vert_size;
165 case HORZRES:
166 return screen_width;
167 case VERTRES:
168 return screen_height;
169 case BITSPIXEL:
170 return screen_depth;
171 case PLANES:
172 return 1;
173 case NUMBRUSHES:
174 return -1;
175 case NUMPENS:
176 return -1;
177 case NUMMARKERS:
178 return 0;
179 case NUMFONTS:
180 return 0;
181 case NUMCOLORS:
182 /* MSDN: Number of entries in the device's color table, if the device has
183 * a color depth of no more than 8 bits per pixel.For devices with greater
184 * color depths, -1 is returned. */
185 return (screen_depth > 8) ? -1 : (1 << screen_depth);
186 case PDEVICESIZE:
187 return sizeof(X11DRV_PDEVICE);
188 case CURVECAPS:
189 return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
190 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
191 case LINECAPS:
192 return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
193 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
194 case POLYGONALCAPS:
195 return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
196 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
197 case TEXTCAPS:
198 return text_caps;
199 case CLIPCAPS:
200 return CP_REGION;
201 case RASTERCAPS:
202 return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
203 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
204 (palette_size ? RC_PALETTE : 0));
205 case ASPECTX:
206 case ASPECTY:
207 return 36;
208 case ASPECTXY:
209 return 51;
210 case LOGPIXELSX:
211 return log_pixels_x;
212 case LOGPIXELSY:
213 return log_pixels_y;
214 case CAPS1:
215 FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
216 /* please see wingdi.h for the possible bit-flag values that need
217 to be returned. also, see
218 http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm */
219 return 0;
220 case SIZEPALETTE:
221 return palette_size;
222 case NUMRESERVED:
223 case COLORRES:
224 case PHYSICALWIDTH:
225 case PHYSICALHEIGHT:
226 case PHYSICALOFFSETX:
227 case PHYSICALOFFSETY:
228 case SCALINGFACTORX:
229 case SCALINGFACTORY:
230 case VREFRESH:
231 case DESKTOPVERTRES:
232 case DESKTOPHORZRES:
233 case BTLALIGNMENT:
234 return 0;
235 default:
236 FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
237 return 0;
242 /**********************************************************************
243 * ExtEscape (X11DRV.@)
245 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
246 INT out_count, LPVOID out_data )
248 switch(escape)
250 case QUERYESCSUPPORT:
251 if (in_data)
253 switch (*(INT *)in_data)
255 case DCICOMMAND:
256 return DD_HAL_VERSION;
257 case X11DRV_ESCAPE:
258 return TRUE;
261 break;
263 case DCICOMMAND:
264 if (in_data)
266 const DCICMD *lpCmd = in_data;
267 if (lpCmd->dwVersion != DD_VERSION) break;
268 return X11DRV_DCICommand(in_count, lpCmd, out_data);
270 break;
272 case X11DRV_ESCAPE:
273 if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
275 switch(*(enum x11drv_escape_codes *)in_data)
277 case X11DRV_GET_DISPLAY:
278 if (out_count >= sizeof(Display *))
280 *(Display **)out_data = gdi_display;
281 return TRUE;
283 break;
284 case X11DRV_GET_DRAWABLE:
285 if (out_count >= sizeof(Drawable))
287 *(Drawable *)out_data = physDev->drawable;
288 return TRUE;
290 break;
291 case X11DRV_GET_FONT:
292 if (out_count >= sizeof(Font))
294 fontObject* pfo = XFONT_GetFontObject( physDev->font );
295 if (pfo == NULL) return FALSE;
296 *(Font *)out_data = pfo->fs->fid;
297 return TRUE;
301 break;
303 return 0;