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Diffstat (limited to 'pango/mini-xft/minixftmatrix.c')
-rw-r--r-- | pango/mini-xft/minixftmatrix.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/pango/mini-xft/minixftmatrix.c b/pango/mini-xft/minixftmatrix.c deleted file mode 100644 index b7decb69..00000000 --- a/pango/mini-xft/minixftmatrix.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * $XFree86: xc/lib/MiniXft/xftmatrix.c,v 1.1 2001/03/30 18:50:18 keithp Exp $ - * - * Copyright © 2000 Tuomas J. Lukka - * - * 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 Tuomas Lukka not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Tuomas Lukka makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * TUOMAS LUKKA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL TUOMAS LUKKA 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. - */ - -#include <math.h> -#include <stdlib.h> -#include <ctype.h> -#include "minixftint.h" - -MiniXftMatrix * -_MiniXftSaveMatrix (const MiniXftMatrix *mat) -{ - MiniXftMatrix *r; - if(!mat) - return 0; - r = (MiniXftMatrix *) malloc (sizeof (*r) ); - if (!r) - return 0; - *r = *mat; - return r; -} - -int -MiniXftMatrixEqual (const MiniXftMatrix *mat1, const MiniXftMatrix *mat2) -{ - if(mat1 == mat2) return True; - if(mat1 == 0 || mat2 == 0) return False; - return mat1->xx == mat2->xx && - mat1->xy == mat2->xy && - mat1->yx == mat2->yx && - mat1->yy == mat2->yy; -} - -void -MiniXftMatrixMultiply (MiniXftMatrix *result, MiniXftMatrix *a, MiniXftMatrix *b) -{ - MiniXftMatrix r; - - r.xx = a->xx * b->xx + a->xy * b->yx; - r.xy = a->xx * b->xy + a->xy * b->yy; - r.yx = a->yx * b->xx + a->yy * b->yx; - r.yy = a->yx * b->xy + a->yy * b->yy; - *result = r; -} - -void -MiniXftMatrixRotate (MiniXftMatrix *m, double c, double s) -{ - MiniXftMatrix r; - - /* - * X Coordinate system is upside down, swap to make - * rotations counterclockwise - */ - r.xx = c; - r.xy = -s; - r.yx = s; - r.yy = c; - MiniXftMatrixMultiply (m, &r, m); -} - -void -MiniXftMatrixScale (MiniXftMatrix *m, double sx, double sy) -{ - MiniXftMatrix r; - - r.xx = sx; - r.xy = 0; - r.yx = 0; - r.yy = sy; - MiniXftMatrixMultiply (m, &r, m); -} - -void -MiniXftMatrixShear (MiniXftMatrix *m, double sh, double sv) -{ - MiniXftMatrix r; - - r.xx = 1; - r.xy = sh; - r.yx = sv; - r.yy = 1; - MiniXftMatrixMultiply (m, &r, m); -} |