xref: /xsrc/external/mit/xorg-server/dist/render/mipict.h

/*
 *
 * Copyright © 2000 SuSE, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of SuSE not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  SuSE makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author:  Keith Packard, SuSE, Inc.
 */

#ifndef _MIPICT_H_
#define _MIPICT_H_

#include "picturestr.h"

#define MI_MAX_INDEXED	256     /* XXX depth must be <= 8 */

#if MI_MAX_INDEXED <= 256
typedef CARD8 miIndexType;
#endif

typedef struct _miIndexed {
    Bool color;
    CARD32 rgba[MI_MAX_INDEXED];
    miIndexType ent[32768];
} miIndexedRec, *miIndexedPtr;

#define miCvtR8G8B8to15(s) ((((s) >> 3) & 0x001f) | \
			     (((s) >> 6) & 0x03e0) | \
			     (((s) >> 9) & 0x7c00))
#define miIndexToEnt15(mif,rgb15) ((mif)->ent[rgb15])
#define miIndexToEnt24(mif,rgb24) miIndexToEnt15(mif,miCvtR8G8B8to15(rgb24))

#define miIndexToEntY24(mif,rgb24) ((mif)->ent[CvtR8G8B8toY15(rgb24)])

extern _X_EXPORT int
 miCreatePicture(PicturePtr pPicture);

extern _X_EXPORT void
 miDestroyPicture(PicturePtr pPicture);

extern _X_EXPORT void
 miCompositeSourceValidate(PicturePtr pPicture);

extern _X_EXPORT Bool

miComputeCompositeRegion(RegionPtr pRegion,
                         PicturePtr pSrc,
                         PicturePtr pMask,
                         PicturePtr pDst,
                         INT16 xSrc,
                         INT16 ySrc,
                         INT16 xMask,
                         INT16 yMask,
                         INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);

extern _X_EXPORT Bool
 miPictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats);

extern _X_EXPORT Bool
 miRealizeGlyph(ScreenPtr pScreen, GlyphPtr glyph);

extern _X_EXPORT void
 miUnrealizeGlyph(ScreenPtr pScreen, GlyphPtr glyph);

extern _X_EXPORT void

miGlyphs(CARD8 op,
         PicturePtr pSrc,
         PicturePtr pDst,
         PictFormatPtr maskFormat,
         INT16 xSrc,
         INT16 ySrc, int nlist, GlyphListPtr list, GlyphPtr * glyphs);

extern _X_EXPORT void
 miRenderColorToPixel(PictFormatPtr pPict, xRenderColor * color, CARD32 *pixel);

extern _X_EXPORT void
 miRenderPixelToColor(PictFormatPtr pPict, CARD32 pixel, xRenderColor * color);

extern _X_EXPORT Bool
 miIsSolidAlpha(PicturePtr pSrc);

extern _X_EXPORT void

miCompositeRects(CARD8 op,
                 PicturePtr pDst,
                 xRenderColor * color, int nRect, xRectangle *rects);

extern _X_EXPORT void
 miTrapezoidBounds(int ntrap, xTrapezoid * traps, BoxPtr box);

extern _X_EXPORT void
 miPointFixedBounds(int npoint, xPointFixed * points, BoxPtr bounds);

extern _X_EXPORT void
 miTriangleBounds(int ntri, xTriangle * tris, BoxPtr bounds);

extern _X_EXPORT Bool
 miInitIndexed(ScreenPtr pScreen, PictFormatPtr pFormat);

extern _X_EXPORT void
 miCloseIndexed(ScreenPtr pScreen, PictFormatPtr pFormat);

extern _X_EXPORT void

miUpdateIndexed(ScreenPtr pScreen,
                PictFormatPtr pFormat, int ndef, xColorItem * pdef);

#endif                          /* _MIPICT_H_ */