diff options
Diffstat (limited to 'nx-X11/programs/Xserver/render/mirect.c')
| -rw-r--r-- | nx-X11/programs/Xserver/render/mirect.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/render/mirect.c b/nx-X11/programs/Xserver/render/mirect.c new file mode 100644 index 000000000..096bb5cb2 --- /dev/null +++ b/nx-X11/programs/Xserver/render/mirect.c @@ -0,0 +1,186 @@ +/* + * $XFree86: xc/programs/Xserver/render/mirect.c,v 1.3 2000/12/08 07:52:05 keithp Exp $ + * + * Copyright © 2000 Keith Packard, member of The XFree86 Project, 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 Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "scrnintstr.h" +#include "gcstruct.h" +#include "pixmapstr.h" +#include "windowstr.h" +#include "mi.h" +#include "picturestr.h" +#include "mipict.h" + +static void +miColorRects (PicturePtr pDst, + PicturePtr pClipPict, + xRenderColor *color, + int nRect, + xRectangle *rects, + int xoff, + int yoff) +{ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + CARD32 pixel; + GCPtr pGC; + CARD32 tmpval[5]; + RegionPtr pClip; + unsigned long mask; + + miRenderColorToPixel (pDst->pFormat, color, &pixel); + + pGC = GetScratchGC (pDst->pDrawable->depth, pScreen); + if (!pGC) + return; + tmpval[0] = GXcopy; + tmpval[1] = pixel; + tmpval[2] = pDst->subWindowMode; + mask = GCFunction | GCForeground | GCSubwindowMode; + if (pClipPict->clientClipType == CT_REGION) + { + tmpval[3] = pDst->clipOrigin.x - xoff; + tmpval[4] = pDst->clipOrigin.y - yoff; + mask |= GCClipXOrigin|GCClipYOrigin; + + pClip = REGION_CREATE (pScreen, NULL, 1); + REGION_COPY (pScreen, pClip, + (RegionPtr) pClipPict->clientClip); + (*pGC->funcs->ChangeClip) (pGC, CT_REGION, pClip, 0); + } + + ChangeGC (pGC, mask, tmpval); + ValidateGC (pDst->pDrawable, pGC); + if (xoff || yoff) + { + int i; + for (i = 0; i < nRect; i++) + { + rects[i].x -= xoff; + rects[i].y -= yoff; + } + } + (*pGC->ops->PolyFillRect) (pDst->pDrawable, pGC, nRect, rects); + if (xoff || yoff) + { + int i; + for (i = 0; i < nRect; i++) + { + rects[i].x += xoff; + rects[i].y += yoff; + } + } + FreeScratchGC (pGC); +} + +void +miCompositeRects (CARD8 op, + PicturePtr pDst, + xRenderColor *color, + int nRect, + xRectangle *rects) +{ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + + if (color->alpha == 0xffff) + { + if (op == PictOpOver) + op = PictOpSrc; + } + if (op == PictOpClear) + color->red = color->green = color->blue = color->alpha = 0; + + if (op == PictOpSrc || op == PictOpClear) + { + miColorRects (pDst, pDst, color, nRect, rects, 0, 0); + if (pDst->alphaMap) + miColorRects (pDst->alphaMap, pDst, + color, nRect, rects, + pDst->alphaOrigin.x, + pDst->alphaOrigin.y); + } + else + { + PictFormatPtr rgbaFormat; + PixmapPtr pPixmap; + PicturePtr pSrc; + xRectangle one; + int error; + Pixel pixel; + GCPtr pGC; + CARD32 tmpval[2]; + + rgbaFormat = PictureMatchFormat (pScreen, 32, PICT_a8r8g8b8); + if (!rgbaFormat) + goto bail1; + + pPixmap = (*pScreen->CreatePixmap) (pScreen, 1, 1, + rgbaFormat->depth); + if (!pPixmap) + goto bail2; + + miRenderColorToPixel (rgbaFormat, color, &pixel); + + pGC = GetScratchGC (rgbaFormat->depth, pScreen); + if (!pGC) + goto bail3; + tmpval[0] = GXcopy; + tmpval[1] = pixel; + + ChangeGC (pGC, GCFunction | GCForeground, tmpval); + ValidateGC (&pPixmap->drawable, pGC); + one.x = 0; + one.y = 0; + one.width = 1; + one.height = 1; + (*pGC->ops->PolyFillRect) (&pPixmap->drawable, pGC, 1, &one); + + tmpval[0] = xTrue; + pSrc = CreatePicture (0, &pPixmap->drawable, rgbaFormat, + CPRepeat, tmpval, 0, &error); + + if (!pSrc) + goto bail4; + + while (nRect--) + { + CompositePicture (op, pSrc, 0, pDst, 0, 0, 0, 0, + rects->x, + rects->y, + rects->width, + rects->height); + rects++; + } + + FreePicture ((pointer) pSrc, 0); +bail4: + FreeScratchGC (pGC); +bail3: + (*pScreen->DestroyPixmap) (pPixmap); +bail2: +bail1: + ; + } +} |