296 lines
8.5 KiB
C
296 lines
8.5 KiB
C
/*
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*
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* Copyright © 1998 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <string.h>
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#include "fb.h"
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void
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fbPutImage(DrawablePtr pDrawable,
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GCPtr pGC,
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int depth,
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int x, int y, int w, int h, int leftPad, int format, char *pImage)
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{
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FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
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unsigned long i;
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FbStride srcStride;
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FbStip *src = (FbStip *) pImage;
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x += pDrawable->x;
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y += pDrawable->y;
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switch (format) {
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case XYBitmap:
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srcStride = BitmapBytePad(w + leftPad) / sizeof(FbStip);
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fbPutXYImage(pDrawable,
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fbGetCompositeClip(pGC),
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pPriv->fg,
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pPriv->bg,
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pPriv->pm,
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pGC->alu, TRUE, x, y, w, h, src, srcStride, leftPad);
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break;
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case XYPixmap:
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srcStride = BitmapBytePad(w + leftPad) / sizeof(FbStip);
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for (i = (unsigned long) 1 << (pDrawable->depth - 1); i; i >>= 1) {
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if (i & pGC->planemask) {
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fbPutXYImage(pDrawable,
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fbGetCompositeClip(pGC),
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FB_ALLONES,
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0,
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fbReplicatePixel(i, pDrawable->bitsPerPixel),
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pGC->alu,
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TRUE, x, y, w, h, src, srcStride, leftPad);
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src += srcStride * h;
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}
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}
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break;
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case ZPixmap:
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if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) {
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srcStride = PixmapBytePad(w, pDrawable->depth);
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fb24_32PutZImage(pDrawable,
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fbGetCompositeClip(pGC),
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pGC->alu,
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(FbBits) pGC->planemask,
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x, y, w, h, (CARD8 *) pImage, srcStride);
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}
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else
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{
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srcStride = PixmapBytePad(w, pDrawable->depth) / sizeof(FbStip);
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fbPutZImage(pDrawable,
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fbGetCompositeClip(pGC),
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pGC->alu, pPriv->pm, x, y, w, h, src, srcStride);
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}
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}
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}
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void
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fbPutZImage(DrawablePtr pDrawable,
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RegionPtr pClip,
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int alu,
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FbBits pm,
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int x,
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int y, int width, int height, FbStip * src, FbStride srcStride)
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{
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FbStip *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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int nbox;
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BoxPtr pbox;
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int x1, y1, x2, y2;
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fbGetStipDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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for (nbox = REGION_NUM_RECTS(pClip),
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pbox = REGION_RECTS(pClip); nbox--; pbox++) {
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x1 = x;
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y1 = y;
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x2 = x + width;
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y2 = y + height;
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if (x1 < pbox->x1)
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x1 = pbox->x1;
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if (y1 < pbox->y1)
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y1 = pbox->y1;
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if (x2 > pbox->x2)
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x2 = pbox->x2;
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if (y2 > pbox->y2)
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y2 = pbox->y2;
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if (x1 >= x2 || y1 >= y2)
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continue;
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fbBltStip(src + (y1 - y) * srcStride,
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srcStride,
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(x1 - x) * dstBpp,
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dst + (y1 + dstYoff) * dstStride,
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dstStride,
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(x1 + dstXoff) * dstBpp,
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(x2 - x1) * dstBpp, (y2 - y1), alu, pm, dstBpp);
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}
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}
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void
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fbPutXYImage(DrawablePtr pDrawable,
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RegionPtr pClip,
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FbBits fg,
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FbBits bg,
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FbBits pm,
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int alu,
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Bool opaque,
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int x,
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int y,
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int width, int height, FbStip * src, FbStride srcStride, int srcX)
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{
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FbBits *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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int nbox;
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BoxPtr pbox;
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int x1, y1, x2, y2;
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FbBits fgand = 0, fgxor = 0, bgand = 0, bgxor = 0;
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fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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if (dstBpp == 1) {
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if (opaque)
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alu = FbOpaqueStipple1Rop(alu, fg, bg);
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else
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alu = FbStipple1Rop(alu, fg);
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}
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else {
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fgand = fbAnd(alu, fg, pm);
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fgxor = fbXor(alu, fg, pm);
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if (opaque) {
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bgand = fbAnd(alu, bg, pm);
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bgxor = fbXor(alu, bg, pm);
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}
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else {
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bgand = fbAnd(GXnoop, (FbBits) 0, FB_ALLONES);
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bgxor = fbXor(GXnoop, (FbBits) 0, FB_ALLONES);
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}
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}
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for (nbox = REGION_NUM_RECTS(pClip),
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pbox = REGION_RECTS(pClip); nbox--; pbox++) {
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x1 = x;
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y1 = y;
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x2 = x + width;
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y2 = y + height;
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if (x1 < pbox->x1)
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x1 = pbox->x1;
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if (y1 < pbox->y1)
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y1 = pbox->y1;
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if (x2 > pbox->x2)
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x2 = pbox->x2;
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if (y2 > pbox->y2)
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y2 = pbox->y2;
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if (x1 >= x2 || y1 >= y2)
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continue;
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if (dstBpp == 1) {
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fbBltStip(src + (y1 - y) * srcStride,
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srcStride,
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(x1 - x) + srcX,
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(FbStip *) (dst + (y1 + dstYoff) * dstStride),
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FbBitsStrideToStipStride(dstStride),
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(x1 + dstXoff) * dstBpp,
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(x2 - x1) * dstBpp, (y2 - y1), alu, pm, dstBpp);
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}
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else {
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fbBltOne(src + (y1 - y) * srcStride,
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srcStride,
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(x1 - x) + srcX,
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dst + (y1 + dstYoff) * dstStride,
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dstStride,
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(x1 + dstXoff) * dstBpp,
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dstBpp,
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(x2 - x1) * dstBpp, (y2 - y1), fgand, fgxor, bgand, bgxor);
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}
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}
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}
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void
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fbGetImage(DrawablePtr pDrawable,
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int x,
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int y,
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int w, int h, unsigned int format, unsigned long planeMask, char *d)
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{
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FbBits *src;
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FbStride srcStride;
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int srcBpp;
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int srcXoff, srcYoff;
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FbStip *dst;
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FbStride dstStride;
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/*
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* XFree86 DDX empties the root borderClip when the VT is
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* switched away; this checks for that case
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*/
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if (!fbDrawableEnabled(pDrawable))
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return;
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if (format == ZPixmap &&
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pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) {
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fb24_32GetImage(pDrawable, x, y, w, h, format, planeMask, d);
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return;
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}
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fbGetDrawable(pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
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x += pDrawable->x;
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y += pDrawable->y;
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dst = (FbStip *) d;
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if (format == ZPixmap || srcBpp == 1) {
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FbBits pm;
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pm = fbReplicatePixel(planeMask, srcBpp);
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dstStride = PixmapBytePad(w, pDrawable->depth);
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if (pm != FB_ALLONES)
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memset(d, 0, dstStride * h);
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dstStride /= sizeof(FbStip);
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fbBltStip((FbStip *) (src + (y + srcYoff) * srcStride),
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FbBitsStrideToStipStride(srcStride),
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(x + srcXoff) * srcBpp,
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dst, dstStride, 0, w * srcBpp, h, GXcopy, pm, srcBpp);
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}
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else {
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dstStride = BitmapBytePad(w) / sizeof(FbStip);
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fbBltPlane(src + (y + srcYoff) * srcStride,
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srcStride,
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(x + srcXoff) * srcBpp,
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srcBpp,
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dst,
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dstStride,
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0,
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w * srcBpp, h,
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fbAndStip(GXcopy, FB_STIP_ALLONES, FB_STIP_ALLONES),
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fbXorStip(GXcopy, FB_STIP_ALLONES, FB_STIP_ALLONES),
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fbAndStip(GXcopy, 0, FB_STIP_ALLONES),
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fbXorStip(GXcopy, 0, FB_STIP_ALLONES), planeMask);
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}
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}
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