/* Copyright 1993, 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. */ /* * header file for transformed coordinate system. No rotations * supported, as elipses cannot be rotated in X. */ typedef struct _transform { double mx, bx; double my, by; } Transform; typedef struct _TPoint { double x, y; } TPoint; typedef struct _TRectangle { double x, y, width, height; } TRectangle; # define Xx(x,y,t) ((int)((t)->mx * (x) + (t)->bx + 0.5)) # define Xy(x,y,t) ((int)((t)->my * (y) + (t)->by + 0.5)) # define Xwidth(w,h,t) ((int)((t)->mx * (w) + 0.5)) # define Xheight(w,h,t) ((int)((t)->my * (h) + 0.5)) # define Tx(x,y,t) ((((double) (x)) - (t)->bx) / (t)->mx) # define Ty(x,y,t) ((((double) (y)) - (t)->by) / (t)->my) # define Twidth(w,h,t) (((double) (w)) / (t)->mx) # define Theight(w,h,t) (((double) (h)) / (t)->my) extern void TFillPolygon ( Display *dpy, Drawable d, GC gc, Transform *t, TPoint *points, int n_points, int shape, int mode ); extern void TFillArc ( Display *dpy, Drawable d, GC gc, Transform *t, double x, double y, double width, double height, int angle1, int angle2 ); extern void SetTransform ( Transform *t, int xx1, int xx2, int xy1, int xy2, double tx1, double tx2, double ty1, double ty2 );