diff options
Diffstat (limited to 'xorg-server/mfb/mfbply1rct.c')
| -rw-r--r-- | xorg-server/mfb/mfbply1rct.c | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/xorg-server/mfb/mfbply1rct.c b/xorg-server/mfb/mfbply1rct.c deleted file mode 100644 index 4227e894f..000000000 --- a/xorg-server/mfb/mfbply1rct.c +++ /dev/null @@ -1,261 +0,0 @@ -/* - * -Copyright 1990, 1998 The Open Group - -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. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - * - * Author: Keith Packard, MIT X Consortium - */ - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <stdlib.h> - -#include <X11/X.h> - -#include "gcstruct.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "regionstr.h" -#include "scrnintstr.h" -#include "mistruct.h" - -#include "mfb.h" -#include "maskbits.h" - -#if defined(mips) || defined(sparc) -#define GetHighWord(x) (((int) (x)) >> 16) -#else -#define GetHighWord(x) (((int) (x)) / 65536) -#endif - -#if IMAGE_BYTE_ORDER == MSBFirst -#define intToCoord(i,x,y) (((x) = GetHighWord(i)), ((y) = (int) ((short) (i)))) -#define coordToInt(x,y) (((x) << 16) | ((y) & 0xffff)) -#define intToX(i) (GetHighWord(i)) -#define intToY(i) ((int) ((short) i)) -#else -#define intToCoord(i,x,y) (((x) = (int) ((short) (i))), ((y) = GetHighWord(i))) -#define coordToInt(x,y) (((y) << 16) | ((x) & 0xffff)) -#define intToX(i) ((int) ((short) (i))) -#define intToY(i) (GetHighWord(i)) -#endif - -void -MFBFILLPOLY1RECT (pDrawable, pGC, shape, mode, count, ptsIn) - DrawablePtr pDrawable; - GCPtr pGC; - int shape; - int mode; - int count; - DDXPointPtr ptsIn; -{ - int nlwidth; - PixelType *addrl, *addr; - int maxy; - int origin; - register int vertex1, vertex2; - int c; - BoxPtr extents; - int clip; - int y; - int *vertex1p = NULL, *vertex2p; - int *endp; - int x1 = 0, x2 = 0; - int dx1 = 0, dx2 = 0; - int dy1 = 0, dy2 = 0; - int e1 = 0, e2 = 0; - int step1 = 0, step2 = 0; - int sign1 = 0, sign2 = 0; - int h; - int l, r; - PixelType mask, bits = ~((PixelType)0); - int nmiddle; - - if (mode == CoordModePrevious || shape != Convex || - REGION_NUM_RECTS(pGC->pCompositeClip) != 1) - { - miFillPolygon (pDrawable, pGC, shape, mode, count, ptsIn); - return; - } - origin = *((int *) &pDrawable->x); - vertex2 = origin - ((origin & 0x8000) << 1); - extents = &pGC->pCompositeClip->extents; - vertex1 = *((int *) &extents->x1) - vertex2; - vertex2 = *((int *) &extents->x2) - vertex2 - 0x00010001; - clip = 0; - y = 32767; - maxy = 0; - vertex2p = (int *) ptsIn; - endp = vertex2p + count; - while (count--) - { - c = *vertex2p; - clip |= (c - vertex1) | (vertex2 - c); - c = intToY(c); - if (c < y) - { - y = c; - vertex1p = vertex2p; - } - vertex2p++; - if (c > maxy) - maxy = c; - } - if (y == maxy) - return; - - if (clip & 0x80008000) - { - miFillPolygon (pDrawable, pGC, shape, mode, vertex2p - (int *) ptsIn, ptsIn); - return; - } - - mfbGetPixelWidthAndPointer(pDrawable, nlwidth, addrl); - addrl = mfbScanlineDelta(addrl, y + pDrawable->y, nlwidth); - origin = intToX(origin); - vertex2p = vertex1p; - vertex2 = vertex1 = *vertex2p++; - if (vertex2p == endp) - vertex2p = (int *) ptsIn; -#define Setup(c,x,vertex,dx,dy,e,sign,step) {\ - x = intToX(vertex); \ - if ((dy = intToY(c) - y)) { \ - dx = intToX(c) - x; \ - step = 0; \ - if (dx >= 0) \ - { \ - e = 0; \ - sign = 1; \ - if (dx >= dy) {\ - step = dx / dy; \ - dx = dx % dy; \ - } \ - } \ - else \ - { \ - e = 1 - dy; \ - sign = -1; \ - dx = -dx; \ - if (dx >= dy) { \ - step = - (dx / dy); \ - dx = dx % dy; \ - } \ - } \ - } \ - x += origin; \ - vertex = c; \ -} - -#define Step(x,dx,dy,e,sign,step) {\ - x += step; \ - if ((e += dx) > 0) \ - { \ - x += sign; \ - e -= dy; \ - } \ -} - for (;;) - { - if (y == intToY(vertex1)) - { - do - { - if (vertex1p == (int *) ptsIn) - vertex1p = endp; - c = *--vertex1p; - Setup (c,x1,vertex1,dx1,dy1,e1,sign1,step1) - } while (y >= intToY(vertex1)); - h = dy1; - } - else - { - Step(x1,dx1,dy1,e1,sign1,step1) - h = intToY(vertex1) - y; - } - if (y == intToY(vertex2)) - { - do - { - c = *vertex2p++; - if (vertex2p == endp) - vertex2p = (int *) ptsIn; - Setup (c,x2,vertex2,dx2,dy2,e2,sign2,step2) - } while (y >= intToY(vertex2)); - if (dy2 < h) - h = dy2; - } - else - { - Step(x2,dx2,dy2,e2,sign2,step2) - if ((c = (intToY(vertex2) - y)) < h) - h = c; - } - /* fill spans for this segment */ - y += h; - for (;;) - { - l = x1; - r = x2; - nmiddle = x2 - x1; - if (nmiddle < 0) - { - nmiddle = -nmiddle; - l = x2; - r = x1; - } - c = l & PIM; - l -= c; - l = l >> PWSH; - addr = addrl + l; - if (c + nmiddle < PPW) - { - mask = SCRRIGHT (bits,c) ^ SCRRIGHT (bits,c+nmiddle); - *addr OPEQ mask; - } - else - { - if (c) - { - mask = SCRRIGHT(bits, c); - *addr OPEQ mask; - nmiddle += c - PPW; - addr++; - } - nmiddle >>= PWSH; - Duff (nmiddle, *addr++ EQWHOLEWORD) - if ((mask = ~SCRRIGHT(bits, r & PIM))) - *addr OPEQ mask; - } - if (!--h) - break; - mfbScanlineInc(addrl, nlwidth); - Step(x1,dx1,dy1,e1,sign1,step1) - Step(x2,dx2,dy2,e2,sign2,step2) - } - if (y == maxy) - break; - mfbScanlineInc(addrl, nlwidth); - } -} |