render/mipict.h

   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
  33 typedef CARD8 miIndexType;
  34 #endif
  35
  36 typedef 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
  50 extern _X_EXPORT int
  51  miCreatePicture(PicturePtr pPicture);
  52
  53 extern _X_EXPORT void
  54  miDestroyPicture(PicturePtr pPicture);
  55
  56 extern _X_EXPORT void
  57  miDestroyPictureClip(PicturePtr pPicture);
  58
  59 extern _X_EXPORT int
  60  miChangePictureClip(PicturePtr pPicture, int type, pointer value, int n);
  61
  62 extern _X_EXPORT void
  63  miChangePicture(PicturePtr pPicture, Mask mask);
  64
  65 extern _X_EXPORT void
  66  miValidatePicture(PicturePtr pPicture, Mask mask);
  67
  68 extern _X_EXPORT int
  69  miChangePictureTransform(PicturePtr pPicture, PictTransform * transform);
  70
  71 extern _X_EXPORT int
  72
  73 miChangePictureFilter(PicturePtr pPicture,
  74                       int filter, xFixed * params, int nparams);
  75
  76 extern _X_EXPORT void
  77  miCompositeSourceValidate(PicturePtr pPicture);
  78
  79 extern _X_EXPORT Bool
  80
  81 miComputeCompositeRegion(RegionPtr pRegion,
  82                          PicturePtr pSrc,
  83                          PicturePtr pMask,
  84                          PicturePtr pDst,
  85                          INT16 xSrc,
  86                          INT16 ySrc,
  87                          INT16 xMask,
  88                          INT16 yMask,
  89                          INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);
  90
  91 extern _X_EXPORT Bool
  92  miPictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats);
  93
  94 extern _X_EXPORT Bool
  95  miRealizeGlyph(ScreenPtr pScreen, GlyphPtr glyph);
  96
  97 extern _X_EXPORT void
  98  miUnrealizeGlyph(ScreenPtr pScreen, GlyphPtr glyph);
  99
 100 extern _X_EXPORT void
 101
 102 miGlyphs(CARD8 op,
 103          PicturePtr pSrc,
 104          PicturePtr pDst,
 105          PictFormatPtr maskFormat,
 106          INT16 xSrc,
 107          INT16 ySrc, int nlist, GlyphListPtr list, GlyphPtr * glyphs);
 108
 109 extern _X_EXPORT void
 110  miRenderColorToPixel(PictFormatPtr pPict, xRenderColor * color, CARD32 *pixel);
 111
 112 extern _X_EXPORT void
 113  miRenderPixelToColor(PictFormatPtr pPict, CARD32 pixel, xRenderColor * color);
 114
 115 extern _X_EXPORT Bool
 116  miIsSolidAlpha(PicturePtr pSrc);
 117
 118 extern _X_EXPORT void
 119
 120 miCompositeRects(CARD8 op,
 121                  PicturePtr pDst,
 122                  xRenderColor * color, int nRect, xRectangle *rects);
 123
 124 extern _X_EXPORT void
 125
 126 miTriStrip(CARD8 op,
 127            PicturePtr pSrc,
 128            PicturePtr pDst,
 129            PictFormatPtr maskFormat,
 130            INT16 xSrc, INT16 ySrc, int npoints, xPointFixed * points);
 131
 132 extern _X_EXPORT void
 133
 134 miTriFan(CARD8 op,
 135          PicturePtr pSrc,
 136          PicturePtr pDst,
 137          PictFormatPtr maskFormat,
 138          INT16 xSrc, INT16 ySrc, int npoints, xPointFixed * points);
 139
 140 extern _X_EXPORT void
 141  miTrapezoidBounds(int ntrap, xTrapezoid * traps, BoxPtr box);
 142
 143 extern _X_EXPORT void
 144  miPointFixedBounds(int npoint, xPointFixed * points, BoxPtr bounds);
 145
 146 extern _X_EXPORT void
 147  miTriangleBounds(int ntri, xTriangle * tris, BoxPtr bounds);
 148
 149 extern _X_EXPORT Bool
 150  miInitIndexed(ScreenPtr pScreen, PictFormatPtr pFormat);
 151
 152 extern _X_EXPORT void
 153  miCloseIndexed(ScreenPtr pScreen, PictFormatPtr pFormat);
 154
 155 extern _X_EXPORT void
 156
 157 miUpdateIndexed(ScreenPtr pScreen,
 158                 PictFormatPtr pFormat, int ndef, xColorItem * pdef);
 159
 160 #endif                          /* _MIPICT_H_ */