repositories / deb_xorg-server.git / blame
| Commit | Line | Data |
|---|---|---|
| a09e091a JB |
1 | /* |
| 2 | * | |
| 3 | * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc. | |
| 4 | * | |
| 5 | * Permission to use, copy, modify, distribute, and sell this software and its | |
| 6 | * documentation for any purpose is hereby granted without fee, provided that | |
| 7 | * the above copyright notice appear in all copies and that both that | |
| 8 | * copyright notice and this permission notice appear in supporting | |
| 9 | * documentation, and that the name of Keith Packard not be used in | |
| 10 | * advertising or publicity pertaining to distribution of the software without | |
| 11 | * specific, written prior permission. Keith Packard makes no | |
| 12 | * representations about the suitability of this software for any purpose. It | |
| 13 | * is provided "as is" without express or implied warranty. | |
| 14 | * | |
| 15 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
| 16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
| 17 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
| 18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
| 19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
| 20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |
| 21 | * PERFORMANCE OF THIS SOFTWARE. | |
| 22 | */ | |
| 23 | ||
| 24 | #ifdef HAVE_DIX_CONFIG_H | |
| 25 | #include <dix-config.h> | |
| 26 | #endif | |
| 27 | ||
| 28 | #include "scrnintstr.h" | |
| 29 | #include "gcstruct.h" | |
| 30 | #include "pixmapstr.h" | |
| 31 | #include "windowstr.h" | |
| 32 | #include "mi.h" | |
| 33 | #include "picturestr.h" | |
| 34 | #include "mipict.h" | |
| 35 | ||
| 36 | void | |
| 37 | miPointFixedBounds(int npoint, xPointFixed * points, BoxPtr bounds) | |
| 38 | { | |
| 39 | bounds->x1 = xFixedToInt(points->x); | |
| 40 | bounds->x2 = xFixedToInt(xFixedCeil(points->x)); | |
| 41 | bounds->y1 = xFixedToInt(points->y); | |
| 42 | bounds->y2 = xFixedToInt(xFixedCeil(points->y)); | |
| 43 | points++; | |
| 44 | npoint--; | |
| 45 | while (npoint-- > 0) { | |
| 46 | INT16 x1 = xFixedToInt(points->x); | |
| 47 | INT16 x2 = xFixedToInt(xFixedCeil(points->x)); | |
| 48 | INT16 y1 = xFixedToInt(points->y); | |
| 49 | INT16 y2 = xFixedToInt(xFixedCeil(points->y)); | |
| 50 | ||
| 51 | if (x1 < bounds->x1) | |
| 52 | bounds->x1 = x1; | |
| 53 | else if (x2 > bounds->x2) | |
| 54 | bounds->x2 = x2; | |
| 55 | if (y1 < bounds->y1) | |
| 56 | bounds->y1 = y1; | |
| 57 | else if (y2 > bounds->y2) | |
| 58 | bounds->y2 = y2; | |
| 59 | points++; | |
| 60 | } | |
| 61 | } | |
| 62 | ||
| 63 | void | |
| 64 | miTriangleBounds(int ntri, xTriangle * tris, BoxPtr bounds) | |
| 65 | { | |
| 66 | miPointFixedBounds(ntri * 3, (xPointFixed *) tris, bounds); | |
| 67 | } |