040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/************************************************************
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncCopyright 1989, 1998 The Open Group
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncPermission to use, copy, modify, distribute, and sell this software and its
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncdocumentation for any purpose is hereby granted without fee, provided that
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncthe above copyright notice appear in all copies and that both that
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynccopyright notice and this permission notice appear in supporting
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncdocumentation.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncThe above copyright notice and this permission notice shall be included in
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncall copies or substantial portions of the Software.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncAN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncExcept as contained in this notice, the name of The Open Group shall not be
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncused in advertising or otherwise to promote the sale, use or other dealings
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncin this Software without prior written authorization from The Open Group.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync********************************************************/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#ifndef __MIFILLARC_H__
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define __MIFILLARC_H__
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define FULLCIRCLE (360 * 64)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct _miFillArc {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int xorg, yorg;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int y;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int dx, dy;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int e;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int ym, yk, xm, xk;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} miFillArcRec;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* could use 64-bit integers */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct _miFillArcD {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int xorg, yorg;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int y;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int dx, dy;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync double e;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync double ym, yk, xm, xk;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} miFillArcDRec;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define miFillArcEmpty(arc) (!(arc)->angle2 || \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync !(arc)->width || !(arc)->height || \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync (((arc)->width == 1) && ((arc)->height & 1)))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define miCanFillArc(arc) (((arc)->width == (arc)->height) || \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync (((arc)->width <= 800) && ((arc)->height <= 800)))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define MIFILLARCSETUP() \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync x = 0; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync y = info.y; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync e = info.e; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xk = info.xk; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xm = info.xm; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync yk = info.yk; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ym = info.ym; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync dx = info.dx; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync dy = info.dy; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xorg = info.xorg; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync yorg = info.yorg
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define MIFILLARCSTEP(slw) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync e += yk; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync while (e >= 0) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync { \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync x++; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xk -= xm; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync e += xk; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync } \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync y--; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync yk -= ym; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync slw = (x << 1) + dx; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if ((e == xk) && (slw > 1)) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync slw--
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define MIFILLCIRCSTEP(slw) MIFILLARCSTEP(slw)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define MIFILLELLSTEP(slw) MIFILLARCSTEP(slw)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define miFillArcLower(slw) (((y + dy) != 0) && ((slw > 1) || (e != xk)))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct _miSliceEdge {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int x;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int stepx;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int deltax;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int e;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int dy;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int dx;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} miSliceEdgeRec, *miSliceEdgePtr;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsynctypedef struct _miArcSlice {
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync miSliceEdgeRec edge1, edge2;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int min_top_y, max_top_y;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int min_bot_y, max_bot_y;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync Bool edge1_top, edge2_top;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync Bool flip_top, flip_bot;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync} miArcSliceRec;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define MIARCSLICESTEP(edge) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync edge.x -= edge.stepx; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync edge.e -= edge.dx; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (edge.e <= 0) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync { \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync edge.x -= edge.deltax; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync edge.e += edge.dy; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync }
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define miFillSliceUpper(slice) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ((y >= slice.min_top_y) && (y <= slice.max_top_y))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define miFillSliceLower(slice) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ((y >= slice.min_bot_y) && (y <= slice.max_bot_y))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define MIARCSLICEUPPER(xl,xr,slice,slw) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xl = xorg - x; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xr = xl + slw - 1; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (slice.edge1_top && (slice.edge1.x < xr)) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xr = slice.edge1.x; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (slice.edge2_top && (slice.edge2.x > xl)) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xl = slice.edge2.x;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define MIARCSLICELOWER(xl,xr,slice,slw) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xl = xorg - x; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xr = xl + slw - 1; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (!slice.edge1_top && (slice.edge1.x > xl)) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xl = slice.edge1.x; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (!slice.edge2_top && (slice.edge2.x < xr)) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xr = slice.edge2.x;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define MIWIDEARCSETUP(x,y,dy,slw,e,xk,xm,yk,ym) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync x = 0; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync y = slw >> 1; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync yk = y << 3; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xm = 8; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ym = 8; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (dy) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync { \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xk = 0; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (slw & 1) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync e = -1; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync else \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync e = -(y << 2) - 2; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync } \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync else \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync { \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync y++; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync yk += 4; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xk = -4; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (slw & 1) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync e = -(y << 2) - 3; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync else \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync e = - (y << 3); \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync }
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define MIFILLINARCSTEP(slw) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ine += inyk; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync while (ine >= 0) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync { \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync inx++; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync inxk -= inxm; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ine += inxk; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync } \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync iny--; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync inyk -= inym; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync slw = (inx << 1) + dx; \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if ((ine == inxk) && (slw > 1)) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync slw--
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define miFillInArcLower(slw) (((iny + dy) != 0) && \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ((slw > 1) || (ine != inxk)))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncextern void miFillArcSetup(
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xArc * /*arc*/,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync miFillArcRec * /*info*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncextern void miFillArcSliceSetup(
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xArc * /*arc*/,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync miArcSliceRec * /*slice*/,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync GCPtr /*pGC*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /* __MIFILLARC_H__ */