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1.1 root 1: /***********************************************************
2: Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
3: and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
4:
5: All Rights Reserved
6:
7: Permission to use, copy, modify, and distribute this software and its
8: documentation for any purpose and without fee is hereby granted,
9: provided that the above copyright notice appear in all copies and that
10: both that copyright notice and this permission notice appear in
11: supporting documentation, and that the names of Digital or MIT not be
12: used in advertising or publicity pertaining to distribution of the
13: software without specific, written prior permission.
14:
15: DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
16: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
17: DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
18: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
19: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
20: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
21: SOFTWARE.
22:
23: ******************************************************************/
24: /* $Header: mfbscrinit.c,v 1.52 87/09/07 19:08:52 toddb Exp $ */
25:
26: #include "X.h"
27: #include "Xproto.h" /* for xColorItem */
28: #include "Xmd.h"
29: #include "scrnintstr.h"
30: #include "pixmapstr.h"
31: #include "resource.h"
32: #include "colormap.h"
33: #include "mfb.h"
34: #include "mistruct.h"
35: #include "dix.h"
36:
37: #include "servermd.h"
38:
39: static void
40: mfbFreeVisual(p, id)
41: pointer p;
42: int id;
43: {
44: Xfree(p);
45: }
46:
47: /* dts * (inch/dot) * (25.4 mm / inch) = mm */
48: Bool
49: mfbScreenInit(index, pScreen, pbits, xsize, ysize, dpix, dpiy)
50: int index;
51: register ScreenPtr pScreen;
52: pointer pbits; /* pointer to screen bitmap */
53: int xsize, ysize; /* in pixels */
54: int dpix, dpiy; /* dots per inch */
55: {
56: DepthPtr pDepth;
57: VisualPtr pVisual;
58: long *pVids;
59: register PixmapPtr pPixmap;
60:
61: pScreen->myNum = index;
62: pScreen->width = xsize;
63: pScreen->height = ysize;
64: pScreen->mmWidth = (xsize * 254) / (dpix * 10);
65: pScreen->mmHeight = (ysize * 254) / (dpiy * 10);
66: pScreen->numDepths = 1;
67: pScreen->allowedDepths = pDepth = (DepthPtr) Xalloc(sizeof(DepthRec));
68:
69: pScreen->rootDepth = 1;
70: pScreen->rootVisual = FakeClientID(0);
71: pScreen->defColormap = (Colormap) FakeClientID(0);
72: pScreen->minInstalledCmaps = 1;
73: pScreen->maxInstalledCmaps = 1;
74: pScreen->whitePixel = 1;
75: pScreen->blackPixel = 0;
76: pScreen->backingStoreSupport = NotUseful;
77: pScreen->saveUnderSupport = NotUseful;
78:
79: /* cursmin and cursmax are device specific */
80:
81: pScreen->numVisuals = 1;
82: pScreen->visuals = pVisual = (VisualPtr) Xalloc(sizeof (VisualRec));
83:
84: pPixmap = (PixmapPtr )Xalloc(sizeof(PixmapRec));
85: pPixmap->drawable.type = DRAWABLE_PIXMAP;
86: pPixmap->drawable.depth = 1;
87: pPixmap->drawable.pScreen = pScreen;
88: pPixmap->drawable.serialNumber = 0;
89: pPixmap->width = xsize;
90: pPixmap->height = ysize;
91: pPixmap->refcnt = 1;
92: pPixmap->devPrivate = pbits;
93: pPixmap->devKind = PixmapBytePad(xsize, 1);
94: pScreen->devPrivate = (pointer)pPixmap;
95:
96: /* anything that mfb doesn't know about is assumed to be done
97: elsewhere. (we put in no-op only for things that we KNOW
98: are really no-op.
99: */
100: pScreen->CreateWindow = mfbCreateWindow;
101: pScreen->DestroyWindow = mfbDestroyWindow;
102: pScreen->PositionWindow = mfbPositionWindow;
103: pScreen->ChangeWindowAttributes = mfbChangeWindowAttributes;
104: pScreen->RealizeWindow = mfbMapWindow;
105: pScreen->UnrealizeWindow = mfbUnmapWindow;
106:
107: pScreen->RealizeFont = mfbRealizeFont;
108: pScreen->UnrealizeFont = mfbUnrealizeFont;
109: pScreen->GetImage = mfbGetImage;
110: pScreen->GetSpans = mfbGetSpans;
111: pScreen->CreateGC = mfbCreateGC;
112: pScreen->CreatePixmap = mfbCreatePixmap;
113: pScreen->DestroyPixmap = mfbDestroyPixmap;
114: pScreen->ValidateTree = miValidateTree;
115:
116: pScreen->InstallColormap = mfbInstallColormap;
117: pScreen->UninstallColormap = mfbUninstallColormap;
118: pScreen->ListInstalledColormaps = mfbListInstalledColormaps;
119: pScreen->StoreColors = NoopDDA;
120:
121: pScreen->RegionCreate = miRegionCreate;
122: pScreen->RegionCopy = miRegionCopy;
123: pScreen->RegionDestroy = miRegionDestroy;
124: pScreen->Intersect = miIntersect;
125: pScreen->Inverse = miInverse;
126: pScreen->Union = miUnion;
127: pScreen->Subtract = miSubtract;
128: pScreen->RegionReset = miRegionReset;
129: pScreen->TranslateRegion = miTranslateRegion;
130: pScreen->RectIn = miRectIn;
131: pScreen->PointInRegion = miPointInRegion;
132: pScreen->WindowExposures = miWindowExposures;
133: pScreen->RegionNotEmpty = miRegionNotEmpty;
134: pScreen->RegionEmpty = miRegionEmpty;
135: pScreen->RegionExtents = miRegionExtents;
136:
137: pScreen->BlockHandler = NoopDDA;
138: pScreen->WakeupHandler = NoopDDA;
139: pScreen->blockData = (pointer)0;
140: pScreen->wakeupData = (pointer)0;
141:
142: pVisual->vid = pScreen->rootVisual;
143: pVisual->screen = index;
144: pVisual->class = StaticGray;
145: pVisual->redMask = 0;
146: pVisual->greenMask = 0;
147: pVisual->blueMask = 0;
148: pVisual->bitsPerRGBValue = 1;
149: pVisual->ColormapEntries = 2;
150:
151: pDepth->depth = 1;
152: pDepth->numVids = 1;
153: pDepth->vids = pVids = (long *) Xalloc(sizeof (long));
154: pVids[0] = pScreen->rootVisual; /* our one and only visual */
155: AddResource(
156: pScreen->rootVisual, RT_VISUALID, pVisual, mfbFreeVisual, RC_CORE);
157:
158: /* we MIGHT return 0 if we had been keeping track of potential
159: allocation failures. one day someone will clean this up.
160: */
161: return 1;
162: }
163:
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