4c221b0da1816acf2ca302b10092df059484468dvboxsync/************************************************************
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncCopyright 1989, 1998 The Open Group
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncPermission to use, copy, modify, distribute, and sell this software and its
4c221b0da1816acf2ca302b10092df059484468dvboxsyncdocumentation for any purpose is hereby granted without fee, provided that
4c221b0da1816acf2ca302b10092df059484468dvboxsyncthe above copyright notice appear in all copies and that both that
4c221b0da1816acf2ca302b10092df059484468dvboxsynccopyright notice and this permission notice appear in supporting
4c221b0da1816acf2ca302b10092df059484468dvboxsyncdocumentation.
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncThe above copyright notice and this permission notice shall be included in
4c221b0da1816acf2ca302b10092df059484468dvboxsyncall copies or substantial portions of the Software.
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
4c221b0da1816acf2ca302b10092df059484468dvboxsyncIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
4c221b0da1816acf2ca302b10092df059484468dvboxsyncFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
4c221b0da1816acf2ca302b10092df059484468dvboxsyncOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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4c221b0da1816acf2ca302b10092df059484468dvboxsyncCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncExcept as contained in this notice, the name of The Open Group shall not be
4c221b0da1816acf2ca302b10092df059484468dvboxsyncused in advertising or otherwise to promote the sale, use or other dealings
4c221b0da1816acf2ca302b10092df059484468dvboxsyncin this Software without prior written authorization from The Open Group.
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync********************************************************/
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#ifndef __MIFILLARC_H__
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define __MIFILLARC_H__
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define FULLCIRCLE (360 * 64)
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsynctypedef struct _miFillArc {
4c221b0da1816acf2ca302b10092df059484468dvboxsync int xorg, yorg;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int y;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int dx, dy;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int e;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int ym, yk, xm, xk;
4c221b0da1816acf2ca302b10092df059484468dvboxsync} miFillArcRec;
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* could use 64-bit integers */
4c221b0da1816acf2ca302b10092df059484468dvboxsynctypedef struct _miFillArcD {
4c221b0da1816acf2ca302b10092df059484468dvboxsync int xorg, yorg;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int y;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int dx, dy;
4c221b0da1816acf2ca302b10092df059484468dvboxsync double e;
4c221b0da1816acf2ca302b10092df059484468dvboxsync double ym, yk, xm, xk;
4c221b0da1816acf2ca302b10092df059484468dvboxsync} miFillArcDRec;
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define miFillArcEmpty(arc) (!(arc)->angle2 || \
4c221b0da1816acf2ca302b10092df059484468dvboxsync !(arc)->width || !(arc)->height || \
4c221b0da1816acf2ca302b10092df059484468dvboxsync (((arc)->width == 1) && ((arc)->height & 1)))
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define miCanFillArc(arc) (((arc)->width == (arc)->height) || \
4c221b0da1816acf2ca302b10092df059484468dvboxsync (((arc)->width <= 800) && ((arc)->height <= 800)))
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define MIFILLARCSETUP() \
4c221b0da1816acf2ca302b10092df059484468dvboxsync x = 0; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync y = info.y; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync e = info.e; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xk = info.xk; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xm = info.xm; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync yk = info.yk; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ym = info.ym; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync dx = info.dx; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync dy = info.dy; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xorg = info.xorg; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync yorg = info.yorg
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define MIFILLARCSTEP(slw) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync e += yk; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync while (e >= 0) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync { \
4c221b0da1816acf2ca302b10092df059484468dvboxsync x++; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xk -= xm; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync e += xk; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync } \
4c221b0da1816acf2ca302b10092df059484468dvboxsync y--; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync yk -= ym; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync slw = (x << 1) + dx; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if ((e == xk) && (slw > 1)) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync slw--
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define MIFILLCIRCSTEP(slw) MIFILLARCSTEP(slw)
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define MIFILLELLSTEP(slw) MIFILLARCSTEP(slw)
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define miFillArcLower(slw) (((y + dy) != 0) && ((slw > 1) || (e != xk)))
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsynctypedef struct _miSliceEdge {
4c221b0da1816acf2ca302b10092df059484468dvboxsync int x;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int stepx;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int deltax;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int e;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int dy;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int dx;
4c221b0da1816acf2ca302b10092df059484468dvboxsync} miSliceEdgeRec, *miSliceEdgePtr;
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsynctypedef struct _miArcSlice {
4c221b0da1816acf2ca302b10092df059484468dvboxsync miSliceEdgeRec edge1, edge2;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int min_top_y, max_top_y;
4c221b0da1816acf2ca302b10092df059484468dvboxsync int min_bot_y, max_bot_y;
4c221b0da1816acf2ca302b10092df059484468dvboxsync Bool edge1_top, edge2_top;
4c221b0da1816acf2ca302b10092df059484468dvboxsync Bool flip_top, flip_bot;
4c221b0da1816acf2ca302b10092df059484468dvboxsync} miArcSliceRec;
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define MIARCSLICESTEP(edge) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync edge.x -= edge.stepx; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync edge.e -= edge.dx; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if (edge.e <= 0) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync { \
4c221b0da1816acf2ca302b10092df059484468dvboxsync edge.x -= edge.deltax; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync edge.e += edge.dy; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync }
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define miFillSliceUpper(slice) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ((y >= slice.min_top_y) && (y <= slice.max_top_y))
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define miFillSliceLower(slice) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ((y >= slice.min_bot_y) && (y <= slice.max_bot_y))
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define MIARCSLICEUPPER(xl,xr,slice,slw) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xl = xorg - x; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xr = xl + slw - 1; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if (slice.edge1_top && (slice.edge1.x < xr)) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xr = slice.edge1.x; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if (slice.edge2_top && (slice.edge2.x > xl)) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xl = slice.edge2.x;
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define MIARCSLICELOWER(xl,xr,slice,slw) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xl = xorg - x; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xr = xl + slw - 1; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if (!slice.edge1_top && (slice.edge1.x > xl)) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xl = slice.edge1.x; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if (!slice.edge2_top && (slice.edge2.x < xr)) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xr = slice.edge2.x;
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define MIWIDEARCSETUP(x,y,dy,slw,e,xk,xm,yk,ym) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync x = 0; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync y = slw >> 1; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync yk = y << 3; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xm = 8; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ym = 8; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if (dy) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync { \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xk = 0; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if (slw & 1) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync e = -1; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync else \
4c221b0da1816acf2ca302b10092df059484468dvboxsync e = -(y << 2) - 2; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync } \
4c221b0da1816acf2ca302b10092df059484468dvboxsync else \
4c221b0da1816acf2ca302b10092df059484468dvboxsync { \
4c221b0da1816acf2ca302b10092df059484468dvboxsync y++; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync yk += 4; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync xk = -4; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if (slw & 1) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync e = -(y << 2) - 3; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync else \
4c221b0da1816acf2ca302b10092df059484468dvboxsync e = - (y << 3); \
4c221b0da1816acf2ca302b10092df059484468dvboxsync }
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define MIFILLINARCSTEP(slw) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ine += inyk; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync while (ine >= 0) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync { \
4c221b0da1816acf2ca302b10092df059484468dvboxsync inx++; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync inxk -= inxm; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ine += inxk; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync } \
4c221b0da1816acf2ca302b10092df059484468dvboxsync iny--; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync inyk -= inym; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync slw = (inx << 1) + dx; \
4c221b0da1816acf2ca302b10092df059484468dvboxsync if ((ine == inxk) && (slw > 1)) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync slw--
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define miFillInArcLower(slw) (((iny + dy) != 0) && \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ((slw > 1) || (ine != inxk)))
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT void miFillArcSetup(
4c221b0da1816acf2ca302b10092df059484468dvboxsync xArc * /*arc*/,
4c221b0da1816acf2ca302b10092df059484468dvboxsync miFillArcRec * /*info*/
4c221b0da1816acf2ca302b10092df059484468dvboxsync);
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT void miFillArcSliceSetup(
4c221b0da1816acf2ca302b10092df059484468dvboxsync xArc * /*arc*/,
4c221b0da1816acf2ca302b10092df059484468dvboxsync miArcSliceRec * /*slice*/,
4c221b0da1816acf2ca302b10092df059484468dvboxsync GCPtr /*pGC*/
4c221b0da1816acf2ca302b10092df059484468dvboxsync);
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#endif /* __MIFILLARC_H__ */