mipict.h revision 05b261ec 
1/*
2 *
3 * Copyright © 2000 SuSE, Inc.
4 *
5 * Permission to use, copy, modify, distribute, and sell this software and its
6 * documentation for any purpose is hereby granted without fee, provided that
7 * the above copyright notice appear in all copies and that both that
8 * copyright notice and this permission notice appear in supporting
9 * documentation, and that the name of SuSE not be used in advertising or
10 * publicity pertaining to distribution of the software without specific,
11 * written prior permission.  SuSE makes no representations about the
12 * suitability of this software for any purpose.  It is provided "as is"
13 * without express or implied warranty.
14 *
15 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
17 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
19 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
20 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 *
22 * Author:  Keith Packard, SuSE, Inc.
23 */
24
25#ifndef _MIPICT_H_
26#define _MIPICT_H_
27
28#include "picturestr.h"
29
30#define MI_MAX_INDEXED	256 /* XXX depth must be <= 8 */
31
32#if MI_MAX_INDEXED <= 256
33typedef CARD8 miIndexType;
34#endif
35
36typedef struct _miIndexed {
37    Bool	color;
38    CARD32	rgba[MI_MAX_INDEXED];
39    miIndexType	ent[32768];
40} miIndexedRec, *miIndexedPtr;
41
42#define miCvtR8G8B8to15(s) ((((s) >> 3) & 0x001f) | \
43			     (((s) >> 6) & 0x03e0) | \
44			     (((s) >> 9) & 0x7c00))
45#define miIndexToEnt15(mif,rgb15) ((mif)->ent[rgb15])
46#define miIndexToEnt24(mif,rgb24) miIndexToEnt15(mif,miCvtR8G8B8to15(rgb24))
47
48#define miIndexToEntY24(mif,rgb24) ((mif)->ent[CvtR8G8B8toY15(rgb24)])
49
50int
51miCreatePicture (PicturePtr pPicture);
52
53void
54miDestroyPicture (PicturePtr pPicture);
55
56void
57miDestroyPictureClip (PicturePtr pPicture);
58
59int
60miChangePictureClip (PicturePtr    pPicture,
61		     int	   type,
62		     pointer	   value,
63		     int	   n);
64
65void
66miChangePicture (PicturePtr pPicture,
67		 Mask       mask);
68
69void
70miValidatePicture (PicturePtr pPicture,
71		   Mask       mask);
72
73int
74miChangePictureTransform (PicturePtr	pPicture,
75			  PictTransform *transform);
76
77int
78miChangePictureFilter (PicturePtr pPicture,
79		       int	  filter,
80		       xFixed     *params,
81		       int	  nparams);
82
83Bool
84miClipPicture (RegionPtr    pRegion,
85	       PicturePtr   pPicture,
86	       INT16	    xReg,
87	       INT16	    yReg,
88	       INT16	    xPict,
89	       INT16	    yPict);
90
91void
92miCompositeSourceValidate (PicturePtr	pPicture,
93			   INT16	x,
94			   INT16	y,
95			   CARD16	width,
96			   CARD16	height);
97Bool
98miComputeCompositeRegion (RegionPtr	pRegion,
99			  PicturePtr	pSrc,
100			  PicturePtr	pMask,
101			  PicturePtr	pDst,
102			  INT16		xSrc,
103			  INT16		ySrc,
104			  INT16		xMask,
105			  INT16		yMask,
106			  INT16		xDst,
107			  INT16		yDst,
108			  CARD16	width,
109			  CARD16	height);
110
111Bool
112miPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats);
113
114Bool
115miRealizeGlyph (ScreenPtr pScreen,
116		GlyphPtr  glyph);
117
118void
119miUnrealizeGlyph (ScreenPtr pScreen,
120		  GlyphPtr  glyph);
121
122void
123miGlyphExtents (int		nlist,
124		GlyphListPtr	list,
125		GlyphPtr	*glyphs,
126		BoxPtr		extents);
127
128void
129miGlyphs (CARD8		op,
130	  PicturePtr	pSrc,
131	  PicturePtr	pDst,
132	  PictFormatPtr	maskFormat,
133	  INT16		xSrc,
134	  INT16		ySrc,
135	  int		nlist,
136	  GlyphListPtr	list,
137	  GlyphPtr	*glyphs);
138
139void
140miRenderColorToPixel (PictFormatPtr pPict,
141		      xRenderColor  *color,
142		      CARD32	    *pixel);
143
144void
145miRenderPixelToColor (PictFormatPtr pPict,
146		      CARD32	    pixel,
147		      xRenderColor  *color);
148
149Bool
150miIsSolidAlpha (PicturePtr pSrc);
151
152void
153miCompositeRects (CARD8		op,
154		  PicturePtr	pDst,
155		  xRenderColor  *color,
156		  int		nRect,
157		  xRectangle    *rects);
158
159void
160miTrapezoidBounds (int ntrap, xTrapezoid *traps, BoxPtr box);
161
162void
163miTrapezoids (CARD8	    op,
164	      PicturePtr    pSrc,
165	      PicturePtr    pDst,
166	      PictFormatPtr maskFormat,
167	      INT16	    xSrc,
168	      INT16	    ySrc,
169	      int	    ntrap,
170	      xTrapezoid    *traps);
171
172void
173miPointFixedBounds (int npoint, xPointFixed *points, BoxPtr bounds);
174
175void
176miTriangleBounds (int ntri, xTriangle *tris, BoxPtr bounds);
177
178void
179miRasterizeTriangle (PicturePtr	pMask,
180		     xTriangle	*tri,
181		     int	x_off,
182		     int	y_off);
183
184void
185miTriangles (CARD8	    op,
186	     PicturePtr	    pSrc,
187	     PicturePtr	    pDst,
188	     PictFormatPtr  maskFormat,
189	     INT16	    xSrc,
190	     INT16	    ySrc,
191	     int	    ntri,
192	     xTriangle	    *tris);
193
194void
195miTriStrip (CARD8	    op,
196	    PicturePtr	    pSrc,
197	    PicturePtr	    pDst,
198	    PictFormatPtr   maskFormat,
199	    INT16	    xSrc,
200	    INT16	    ySrc,
201	    int		    npoint,
202	    xPointFixed	    *points);
203
204void
205miTriFan (CARD8		op,
206	  PicturePtr	pSrc,
207	  PicturePtr	pDst,
208	  PictFormatPtr maskFormat,
209	  INT16		xSrc,
210	  INT16		ySrc,
211	  int		npoint,
212	  xPointFixed	*points);
213
214PicturePtr
215miCreateAlphaPicture (ScreenPtr	    pScreen,
216		      PicturePtr    pDst,
217		      PictFormatPtr pPictFormat,
218		      CARD16	    width,
219		      CARD16	    height);
220
221Bool
222miInitIndexed (ScreenPtr	pScreen,
223	       PictFormatPtr	pFormat);
224
225void
226miCloseIndexed (ScreenPtr	pScreen,
227		PictFormatPtr	pFormat);
228
229void
230miUpdateIndexed (ScreenPtr	pScreen,
231		 PictFormatPtr	pFormat,
232		 int		ndef,
233		 xColorItem	*pdef);
234
235#endif /* _MIPICT_H_ */
236