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Viewing changes to hw/xgl/xglsolid.c

  • Committer: Bazaar Package Importer
  • Author(s): Matthew Garrett
  • Date: 2006-02-13 14:21:43 UTC
  • Revision ID: james.westby@ubuntu.com-20060213142143-mad6z9xzem7hzxz9
Tags: upstream-7.0.0
Import upstream version 7.0.0

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hw/xgl/xglsolid.c
 
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/*
 
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 * Copyright © 2004 David Reveman
 
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 *
 
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 * Permission to use, copy, modify, distribute, and sell this software
 
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 * and its documentation for any purpose is hereby granted without
 
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 * fee, provided that the above copyright notice appear in all copies
 
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 * and that both that copyright notice and this permission notice
 
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 * appear in supporting documentation, and that the name of
 
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 * David Reveman not be used in advertising or publicity pertaining to
 
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 * distribution of the software without specific, written prior permission.
 
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 * David Reveman makes no representations about the suitability of this
 
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 * software for any purpose. It is provided "as is" without express or
 
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 * implied warranty.
 
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 *
 
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 * DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 
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 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
 
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 * NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 
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 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 
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 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 
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 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 
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 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
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 *
 
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 * Author: David Reveman <davidr@novell.com>
 
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 */
 
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#include "xgl.h"
 
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#include "gcstruct.h"
 
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#include <X11/fonts/fontstruct.h>
 
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#include "dixfontstr.h"
 
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Bool
 
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xglSolid (DrawablePtr      pDrawable,
 
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          glitz_operator_t op,
 
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          glitz_surface_t  *solid,
 
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          xglGeometryPtr   pGeometry,
 
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          int              x,
 
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          int              y,
 
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          int              width,
 
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          int              height,
 
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          BoxPtr           pBox,
 
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          int              nBox)
 
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{
 
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    glitz_surface_t *surface;
 
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    int             xOff, yOff;
 
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    if (nBox < 1)
 
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        return TRUE;
 
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    if (!xglPrepareTarget (pDrawable))
 
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        return FALSE;
 
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    XGL_GET_DRAWABLE (pDrawable, surface, xOff, yOff);
 
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    if (pGeometry)
 
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    {
 
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        glitz_surface_set_clip_region (surface, xOff, yOff,
 
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                                       (glitz_box_t *) pBox, nBox);
 
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    }
 
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    else
 
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    {
 
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        pGeometry = xglGetScratchVertexGeometry (pDrawable->pScreen, 4 * nBox);
 
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        GEOMETRY_ADD_BOX (pDrawable->pScreen, pGeometry, pBox, nBox);
 
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    }
 
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    GEOMETRY_TRANSLATE (pGeometry, xOff, yOff);
 
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    if (!GEOMETRY_ENABLE (pGeometry, surface))
 
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        return FALSE;
 
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    glitz_composite (op,
 
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                     solid, NULL, surface,
 
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                     0, 0,
 
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                     0, 0,
 
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                     x + xOff,
 
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                     y + yOff,
 
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                     width, height);
 
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    glitz_surface_set_clip_region (surface, 0, 0, NULL, 0);
 
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    if (glitz_surface_get_status (surface))
 
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        return FALSE;
 
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    return TRUE;
 
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}
 
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Bool
 
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xglSolidGlyph (DrawablePtr  pDrawable,
 
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               GCPtr        pGC,
 
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               int          x,
 
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               int          y,
 
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               unsigned int nGlyph,
 
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               CharInfoPtr  *ppci,
 
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               pointer      pglyphBase)
 
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{
 
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    xglGeometryRec geometry;
 
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    int            xBack, widthBack;
 
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    int            yBack, heightBack;
 
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    XGL_GC_PRIV (pGC);
 
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    x += pDrawable->x;
 
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    y += pDrawable->y;
 
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    GEOMETRY_INIT (pDrawable->pScreen, &geometry,
 
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                   GLITZ_GEOMETRY_TYPE_BITMAP,
 
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                   GEOMETRY_USAGE_SYSMEM, 0);
 
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    GEOMETRY_FOR_GLYPH (pDrawable->pScreen,
 
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                        &geometry,
 
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                        nGlyph,
 
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                        ppci,
 
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                        pglyphBase);
 
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    GEOMETRY_TRANSLATE (&geometry, x, y);
 
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    widthBack = 0;
 
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    while (nGlyph--)
 
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        widthBack += (*ppci++)->metrics.characterWidth;
 
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    xBack = x;
 
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    if (widthBack < 0)
 
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    {
 
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        xBack += widthBack;
 
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        widthBack = -widthBack;
 
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    }
 
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    yBack = y - FONTASCENT (pGC->font);
 
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    heightBack = FONTASCENT (pGC->font) + FONTDESCENT (pGC->font);
 
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    if (xglSolid (pDrawable,
 
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                  pGCPriv->op,
 
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                  pGCPriv->bg,
 
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                  NULL,
 
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                  xBack,
 
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                  yBack,
 
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                  widthBack,
 
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                  heightBack,
 
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                  REGION_RECTS (pGC->pCompositeClip),
 
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                  REGION_NUM_RECTS (pGC->pCompositeClip)))
 
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    {
 
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        if (xglSolid (pDrawable,
 
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                      pGCPriv->op,
 
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                      pGCPriv->fg,
 
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                      &geometry,
 
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                      xBack,
 
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                      yBack,
 
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                      widthBack,
 
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                      heightBack,
 
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                      REGION_RECTS (pGC->pCompositeClip),
 
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                      REGION_NUM_RECTS (pGC->pCompositeClip)))
 
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        {
 
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            GEOMETRY_UNINIT (&geometry);
 
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            xglAddCurrentBitDamage (pDrawable);
 
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            return TRUE;
 
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        }
 
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    }
 
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    GEOMETRY_UNINIT (&geometry);
 
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    return FALSE;
 
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}