deb4998ba50060c48cce222fd18a8eed053918d7vboxsync/************************************************************
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncCopyright 1989, 1998 The Open Group
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncPermission to use, copy, modify, distribute, and sell this software and its
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncdocumentation for any purpose is hereby granted without fee, provided that
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncthe above copyright notice appear in all copies and that both that
deb4998ba50060c48cce222fd18a8eed053918d7vboxsynccopyright notice and this permission notice appear in supporting
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncdocumentation.
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncThe above copyright notice and this permission notice shall be included in
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncall copies or substantial portions of the Software.
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncAN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncExcept as contained in this notice, the name of The Open Group shall not be
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncused in advertising or otherwise to promote the sale, use or other dealings
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncin this Software without prior written authorization from The Open Group.
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync********************************************************/
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#ifndef __MIFILLARC_H__
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define __MIFILLARC_H__
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define FULLCIRCLE (360 * 64)
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsynctypedef struct _miFillArc {
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int xorg, yorg;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int y;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int dx, dy;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int e;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int ym, yk, xm, xk;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync} miFillArcRec;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync/* could use 64-bit integers */
deb4998ba50060c48cce222fd18a8eed053918d7vboxsynctypedef struct _miFillArcD {
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int xorg, yorg;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int y;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int dx, dy;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync double e;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync double ym, yk, xm, xk;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync} miFillArcDRec;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define miFillArcEmpty(arc) (!(arc)->angle2 || \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync !(arc)->width || !(arc)->height || \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync (((arc)->width == 1) && ((arc)->height & 1)))
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define miCanFillArc(arc) (((arc)->width == (arc)->height) || \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync (((arc)->width <= 800) && ((arc)->height <= 800)))
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define MIFILLARCSETUP() \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync x = 0; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync y = info.y; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync e = info.e; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xk = info.xk; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xm = info.xm; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync yk = info.yk; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync ym = info.ym; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync dx = info.dx; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync dy = info.dy; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xorg = info.xorg; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync yorg = info.yorg
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define MIFILLARCSTEP(slw) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync e += yk; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync while (e >= 0) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync { \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync x++; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xk -= xm; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync e += xk; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync } \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync y--; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync yk -= ym; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync slw = (x << 1) + dx; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if ((e == xk) && (slw > 1)) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync slw--
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define MIFILLCIRCSTEP(slw) MIFILLARCSTEP(slw)
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define MIFILLELLSTEP(slw) MIFILLARCSTEP(slw)
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define miFillArcLower(slw) (((y + dy) != 0) && ((slw > 1) || (e != xk)))
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsynctypedef struct _miSliceEdge {
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int x;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int stepx;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int deltax;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int e;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int dy;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int dx;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync} miSliceEdgeRec, *miSliceEdgePtr;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsynctypedef struct _miArcSlice {
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync miSliceEdgeRec edge1, edge2;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int min_top_y, max_top_y;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int min_bot_y, max_bot_y;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync Bool edge1_top, edge2_top;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync Bool flip_top, flip_bot;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync} miArcSliceRec;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define MIARCSLICESTEP(edge) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync edge.x -= edge.stepx; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync edge.e -= edge.dx; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (edge.e <= 0) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync { \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync edge.x -= edge.deltax; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync edge.e += edge.dy; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync }
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define miFillSliceUpper(slice) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync ((y >= slice.min_top_y) && (y <= slice.max_top_y))
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define miFillSliceLower(slice) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync ((y >= slice.min_bot_y) && (y <= slice.max_bot_y))
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define MIARCSLICEUPPER(xl,xr,slice,slw) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xl = xorg - x; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xr = xl + slw - 1; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (slice.edge1_top && (slice.edge1.x < xr)) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xr = slice.edge1.x; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (slice.edge2_top && (slice.edge2.x > xl)) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xl = slice.edge2.x;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define MIARCSLICELOWER(xl,xr,slice,slw) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xl = xorg - x; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xr = xl + slw - 1; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (!slice.edge1_top && (slice.edge1.x > xl)) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xl = slice.edge1.x; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (!slice.edge2_top && (slice.edge2.x < xr)) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xr = slice.edge2.x;
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define MIWIDEARCSETUP(x,y,dy,slw,e,xk,xm,yk,ym) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync x = 0; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync y = slw >> 1; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync yk = y << 3; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xm = 8; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync ym = 8; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (dy) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync { \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xk = 0; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (slw & 1) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync e = -1; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync else \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync e = -(y << 2) - 2; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync } \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync else \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync { \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync y++; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync yk += 4; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xk = -4; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if (slw & 1) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync e = -(y << 2) - 3; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync else \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync e = - (y << 3); \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync }
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define MIFILLINARCSTEP(slw) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync ine += inyk; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync while (ine >= 0) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync { \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync inx++; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync inxk -= inxm; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync ine += inxk; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync } \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync iny--; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync inyk -= inym; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync slw = (inx << 1) + dx; \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync if ((ine == inxk) && (slw > 1)) \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync slw--
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#define miFillInArcLower(slw) (((iny + dy) != 0) && \
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync ((slw > 1) || (ine != inxk)))
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncextern int miFreeArcCache(
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync pointer /*data*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync XID /*id*/
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync);
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncextern struct finalSpan *realAllocSpan(
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync void
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync);
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncextern void miFillArcSetup(
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xArc * /*arc*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync miFillArcRec * /*info*/
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync);
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncextern void miFillArcDSetup(
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xArc * /*arc*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync miFillArcDRec * /*info*/
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync);
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncextern void miEllipseAngleToSlope(
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int /*angle*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int /*width*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int /*height*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int * /*dxp*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync int * /*dyp*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync double * /*d_dxp*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync double * /*d_dyp*/
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync);
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsyncextern void miFillArcSliceSetup(
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync xArc * /*arc*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync miArcSliceRec * /*slice*/,
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync GCPtr /*pGC*/
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync);
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync
deb4998ba50060c48cce222fd18a8eed053918d7vboxsync#endif /* __MIFILLARC_H__ */