/****************************************************************************\ Part of the XeTeX typesetting system Copyright (c) 1994-2008 by SIL International Copyright (c) 2009 by Jonathan Kew SIL Author(s): Jonathan Kew Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 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 COPYRIGHT HOLDERS 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 copyright holders 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 copyright holders. \****************************************************************************/ #ifndef _TRANS_H_ #define _TRANS_H_ #include /* apparently M_PI isn't defined by under VC++ */ #ifndef M_PI #define M_PI 3.14159265358979323846 #endif typedef struct { double a; double b; double c; double d; double x; double y; } transform; typedef struct { float x; float y; } realpoint; typedef struct { float x; float y; float wd; float ht; } realrect; #define xCoord(p) (p).x #define yCoord(p) (p).y #define wdField(r) (r).wd #define htField(r) (r).ht #define aField(t) (t).a #define bField(t) (t).b #define cField(t) (t).c #define dField(t) (t).d #define xField(t) (t).x #define yField(t) (t).y #define setPoint(P,X,Y) do { (P).x = X; (P).y = Y; } while (0) #ifdef __cplusplus extern "C" { #endif void makeidentity(transform* t); void makescale(transform* t, double xscale, double yscale); void maketranslation(transform* t, double dx, double dy); void makerotation(transform* t, double a); void transformpoint(realpoint* p, const transform* t); void transformconcat(transform* t1, const transform* t2); #ifdef __cplusplus }; #endif #endif /* _TRANS_H_ */