437 lines
10 KiB
C
437 lines
10 KiB
C
/*
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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 "fb.h"
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Bool
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xglFill (DrawablePtr pDrawable,
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GCPtr pGC,
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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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XGL_GC_PRIV (pGC);
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switch (pGC->fillStyle) {
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case FillSolid:
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if (xglSolid (pDrawable,
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pGCPriv->op, &pGCPriv->fg,
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pGeometry,
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x, y,
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width, height,
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pBox, nBox))
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return TRUE;
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break;
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case FillStippled:
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case FillOpaqueStippled:
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break;
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case FillTiled:
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if (xglTile (pDrawable,
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pGCPriv->op, pGC->tile.pixmap,
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-(pGC->patOrg.x + pDrawable->x),
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-(pGC->patOrg.y + pDrawable->y),
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pGeometry,
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x, y,
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width, height,
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pBox, nBox))
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return TRUE;
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break;
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}
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return FALSE;
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}
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#define N_STACK_BOX 1024
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static BoxPtr
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xglMoreBoxes (BoxPtr stackBox,
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BoxPtr heapBox,
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int nBoxes)
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{
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Bool stack = !heapBox;
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heapBox = xrealloc (heapBox, sizeof (BoxRec) * nBoxes);
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if (!heapBox)
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return NULL;
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if (stack)
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memcpy (heapBox, stackBox, sizeof (BoxRec) * N_STACK_BOX);
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return heapBox;
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}
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#define ADD_BOX(pBox, nBox, stackBox, heapBox, size, box) \
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{ \
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if ((nBox) == (size)) \
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{ \
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(size) *= 2; \
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(heapBox) = xglMoreBoxes (stackBox, heapBox, size); \
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if (!(heapBox)) \
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return; \
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(pBox) = (heapBox) + (nBox); \
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} \
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*(pBox)++ = (box); \
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(nBox)++; \
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}
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void
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xglFillRect (DrawablePtr pDrawable,
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GCPtr pGC,
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int nrect,
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xRectangle *prect)
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{
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RegionPtr pClip = pGC->pCompositeClip;
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BoxPtr pClipBox;
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BoxPtr pExtent = REGION_EXTENTS (pGC->pScreen, pClip);
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BoxRec full, part;
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BoxPtr heapBox = NULL;
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BoxRec stackBox[N_STACK_BOX];
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int size = N_STACK_BOX;
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BoxPtr pBox = stackBox;
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int n, nBox = 0;
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while (nrect--)
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{
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full.x1 = prect->x + pDrawable->x;
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full.y1 = prect->y + pDrawable->y;
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full.x2 = full.x1 + (int) prect->width;
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full.y2 = full.y1 + (int) prect->height;
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prect++;
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if (full.x1 < pExtent->x1)
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full.x1 = pExtent->x1;
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if (full.y1 < pExtent->y1)
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full.y1 = pExtent->y1;
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if (full.x2 > pExtent->x2)
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full.x2 = pExtent->x2;
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if (full.y2 > pExtent->y2)
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full.y2 = pExtent->y2;
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if (full.x1 >= full.x2 || full.y1 >= full.y2)
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continue;
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n = REGION_NUM_RECTS (pClip);
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if (n == 1)
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{
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ADD_BOX (pBox, nBox, stackBox, heapBox, size, full);
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}
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else
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{
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pClipBox = REGION_RECTS (pClip);
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while (n--)
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{
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part.x1 = pClipBox->x1;
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if (part.x1 < full.x1)
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part.x1 = full.x1;
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part.y1 = pClipBox->y1;
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if (part.y1 < full.y1)
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part.y1 = full.y1;
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part.x2 = pClipBox->x2;
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if (part.x2 > full.x2)
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part.x2 = full.x2;
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part.y2 = pClipBox->y2;
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if (part.y2 > full.y2)
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part.y2 = full.y2;
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pClipBox++;
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if (part.x1 < part.x2 && part.y1 < part.y2)
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ADD_BOX (pBox, nBox, stackBox, heapBox, size, part);
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}
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}
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}
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if (!nBox)
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return;
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pBox = (heapBox) ? heapBox : stackBox;
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if (!xglFill (pDrawable, pGC, NULL,
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pExtent->x1, pExtent->y1,
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pExtent->x2 - pExtent->x1, pExtent->y2 - pExtent->y1,
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pBox, nBox))
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{
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RegionRec region;
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RegionPtr pDamageRegion;
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glitz_surface_t *surface;
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int xOff, yOff;
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XGL_DRAWABLE_PIXMAP (pDrawable);
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XGL_PIXMAP_PRIV (pPixmap);
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if (!xglMapPixmapBits (pPixmap))
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FatalError (XGL_SW_FAILURE_STRING);
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switch (pGC->fillStyle) {
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case FillSolid:
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break;
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case FillStippled:
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case FillOpaqueStippled:
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if (!xglSyncBits (&pGC->stipple->drawable, NullBox))
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FatalError (XGL_SW_FAILURE_STRING);
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break;
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case FillTiled:
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if (!xglSyncBits (&pGC->tile.pixmap->drawable, NullBox))
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FatalError (XGL_SW_FAILURE_STRING);
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break;
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}
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pDamageRegion = DamageRegion (pPixmapPriv->pDamage);
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XGL_GET_DRAWABLE (pDrawable, surface, xOff, yOff);
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pPixmapPriv->damageBox = miEmptyBox;
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while (nBox--)
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{
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fbFill (pDrawable, pGC,
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pBox->x1, pBox->y1,
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pBox->x2 - pBox->x1, pBox->y2 - pBox->y1);
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if (pPixmapPriv->format)
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{
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part.x1 = pBox->x1 + xOff;
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part.y1 = pBox->y1 + yOff;
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part.x2 = pBox->x2 + xOff;
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part.y2 = pBox->y2 + yOff;
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REGION_INIT (pDrawable->pScreen, ®ion, &part, 1);
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REGION_UNION (pDrawable->pScreen,
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pDamageRegion, pDamageRegion, ®ion);
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REGION_UNINIT (pDrawable->pScreen, ®ion);
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}
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pBox++;
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}
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} else
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xglAddCurrentBitDamage (pDrawable);
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if (heapBox)
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xfree (heapBox);
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}
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Bool
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xglFillSpan (DrawablePtr pDrawable,
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GCPtr pGC,
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int n,
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DDXPointPtr ppt,
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int *pwidth)
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{
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BoxPtr pExtent;
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xglGeometryPtr pGeometry;
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if (n < 1)
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return TRUE;
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pExtent = REGION_EXTENTS (pDrawable->pScreen, pGC->pCompositeClip);
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pGeometry = xglGetScratchVertexGeometry (pGC->pScreen, 2 * n);
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GEOMETRY_ADD_SPAN (pGC->pScreen, pGeometry, ppt, pwidth, n);
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/* Spans are treated as lines so they need a 0.5 translate */
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GEOMETRY_TRANSLATE_FIXED (pGeometry, 1 << 15, 1 << 15);
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GEOMETRY_SET_VERTEX_PRIMITIVE (pGeometry, GLITZ_PRIMITIVE_LINES);
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if (xglFill (pDrawable, pGC, pGeometry,
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pExtent->x1, pExtent->y1,
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pExtent->x2 - pExtent->x1, pExtent->y2 - pExtent->y1,
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REGION_RECTS (pGC->pCompositeClip),
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REGION_NUM_RECTS (pGC->pCompositeClip)))
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return TRUE;
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return FALSE;
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}
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Bool
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xglFillLine (DrawablePtr pDrawable,
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GCPtr pGC,
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int mode,
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int npt,
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DDXPointPtr ppt)
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{
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BoxPtr pExtent;
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xglGeometryPtr pGeometry;
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Bool coincident_endpoints;
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if (npt < 2)
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return TRUE;
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pExtent = REGION_EXTENTS (pDrawable->pScreen, pGC->pCompositeClip);
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coincident_endpoints = FALSE;
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if (mode == CoordModePrevious)
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{
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DDXPointPtr pptTmp;
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int nptTmp;
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DDXPointRec pt;
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pt = *ppt;
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nptTmp = npt - 1;
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pptTmp = ppt + 1;
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while (nptTmp--)
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{
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pt.x += pptTmp->x;
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pt.y += pptTmp->y;
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pptTmp++;
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}
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if (pt.x == ppt->x && pt.y == ppt->y)
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coincident_endpoints = TRUE;
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}
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else
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{
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if (ppt[npt - 1].x == ppt->x && ppt[npt - 1].y == ppt->y)
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coincident_endpoints = TRUE;
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}
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if (coincident_endpoints)
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npt--;
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pGeometry = xglGetScratchVertexGeometry (pGC->pScreen, npt);
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GEOMETRY_ADD_LINE (pGC->pScreen, pGeometry,
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coincident_endpoints, mode, npt, ppt);
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if (coincident_endpoints)
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GEOMETRY_SET_VERTEX_PRIMITIVE (pGeometry, GLITZ_PRIMITIVE_LINE_LOOP);
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else
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GEOMETRY_SET_VERTEX_PRIMITIVE (pGeometry, GLITZ_PRIMITIVE_LINE_STRIP);
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/* Lines need a 0.5 translate */
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GEOMETRY_TRANSLATE_FIXED (pGeometry, 1 << 15, 1 << 15);
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GEOMETRY_TRANSLATE (pGeometry, pDrawable->x, pDrawable->y);
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pExtent = REGION_EXTENTS (pDrawable->pScreen, pGC->pCompositeClip);
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if (xglFill (pDrawable, pGC, pGeometry,
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pExtent->x1, pExtent->y1,
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pExtent->x2 - pExtent->x1, pExtent->y2 - pExtent->y1,
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REGION_RECTS (pGC->pCompositeClip),
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REGION_NUM_RECTS (pGC->pCompositeClip)))
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return TRUE;
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return FALSE;
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}
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Bool
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xglFillSegment (DrawablePtr pDrawable,
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GCPtr pGC,
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int nsegInit,
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xSegment *pSegInit)
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{
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BoxPtr pExtent;
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xglGeometryPtr pGeometry;
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if (nsegInit < 1)
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return TRUE;
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pExtent = REGION_EXTENTS (pDrawable->pScreen, pGC->pCompositeClip);
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pGeometry = xglGetScratchVertexGeometry (pGC->pScreen, 2 * nsegInit);
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GEOMETRY_ADD_SEGMENT (pGC->pScreen, pGeometry, nsegInit, pSegInit);
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/* Line segments need 0.5 translate */
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GEOMETRY_TRANSLATE_FIXED (pGeometry, 1 << 15, 1 << 15);
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GEOMETRY_SET_VERTEX_PRIMITIVE (pGeometry, GLITZ_PRIMITIVE_LINES);
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GEOMETRY_TRANSLATE (pGeometry, pDrawable->x, pDrawable->y);
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if (xglFill (pDrawable, pGC, pGeometry,
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pExtent->x1, pExtent->y1,
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pExtent->x2 - pExtent->x1, pExtent->y2 - pExtent->y1,
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REGION_RECTS (pGC->pCompositeClip),
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REGION_NUM_RECTS (pGC->pCompositeClip)))
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return TRUE;
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return FALSE;
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}
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Bool
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xglFillGlyph (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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BoxPtr pExtent;
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xglGeometryRec geometry;
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if (nGlyph < 1)
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return TRUE;
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pExtent = REGION_EXTENTS (pDrawable->pScreen, pGC->pCompositeClip);
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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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if (xglFill (pDrawable, pGC, &geometry,
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pExtent->x1, pExtent->y1,
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pExtent->x2 - pExtent->x1, pExtent->y2 - pExtent->y1,
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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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return TRUE;
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}
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GEOMETRY_UNINIT (&geometry);
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return FALSE;
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}
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