x11include/xorg-server-1.16.0/mifillarc.h

0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync/************************************************************
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c58f1213e628a545081c70e26c6b67a841cff880vboxsyncdocumentation for any purpose is hereby granted without fee, provided that
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0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsyncin this Software without prior written authorization from The Open Group.
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0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync********************************************************/
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#ifndef __MIFILLARC_H__
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define __MIFILLARC_H__
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
2d97f8baccdd684bc0a8a15eb86bbe9ff2b85374vboxsync#define FULLCIRCLE (360 * 64)
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsynctypedef struct _miFillArc {
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int xorg, yorg;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int y;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int dx, dy;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int e;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int ym, yk, xm, xk;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync} miFillArcRec;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync/* could use 64-bit integers */
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsynctypedef struct _miFillArcD {
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int xorg, yorg;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int y;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int dx, dy;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    double e;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    double ym, yk, xm, xk;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync} miFillArcDRec;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define miFillArcEmpty(arc) (!(arc)->angle2 || \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync                 !(arc)->width || !(arc)->height || \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync                 (((arc)->width == 1) && ((arc)->height & 1)))
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define miCanFillArc(arc) (((arc)->width == (arc)->height) || \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync               (((arc)->width <= 800) && ((arc)->height <= 800)))
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define MIFILLARCSETUP() \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    x = 0; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    y = info.y; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    e = info.e; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xk = info.xk; \
41d680dd6eb0287afc200adc5b0d61b07a32b72dvboxsync    xm = info.xm; \
41d680dd6eb0287afc200adc5b0d61b07a32b72dvboxsync    yk = info.yk; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    ym = info.ym; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    dx = info.dx; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    dy = info.dy; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xorg = info.xorg; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    yorg = info.yorg
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define MIFILLARCSTEP(slw) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    e += yk; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    while (e >= 0) \
6ca8a1595bddf29de7894958ae74c255eb2693bevboxsync    { \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    x++; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xk -= xm; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    e += xk; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    } \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    y--; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    yk -= ym; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    slw = (x << 1) + dx; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if ((e == xk) && (slw > 1)) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    slw--
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define MIFILLCIRCSTEP(slw) MIFILLARCSTEP(slw)
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define MIFILLELLSTEP(slw) MIFILLARCSTEP(slw)
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define miFillArcLower(slw) (((y + dy) != 0) && ((slw > 1) || (e != xk)))
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsynctypedef struct _miSliceEdge {
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int x;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int stepx;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int deltax;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int e;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int dy;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int dx;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync} miSliceEdgeRec, *miSliceEdgePtr;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsynctypedef struct _miArcSlice {
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    miSliceEdgeRec edge1, edge2;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int min_top_y, max_top_y;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    int min_bot_y, max_bot_y;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    Bool edge1_top, edge2_top;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    Bool flip_top, flip_bot;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync} miArcSliceRec;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
b0af0b78d25ede09c0d23b2be9163cf43c7ca6f8vboxsync#define MIARCSLICESTEP(edge) \
b0af0b78d25ede09c0d23b2be9163cf43c7ca6f8vboxsync    edge.x -= edge.stepx; \
b0af0b78d25ede09c0d23b2be9163cf43c7ca6f8vboxsync    edge.e -= edge.dx; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if (edge.e <= 0) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    { \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    edge.x -= edge.deltax; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    edge.e += edge.dy; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    }
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define miFillSliceUpper(slice) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync        ((y >= slice.min_top_y) && (y <= slice.max_top_y))
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define miFillSliceLower(slice) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync        ((y >= slice.min_bot_y) && (y <= slice.max_bot_y))
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define MIARCSLICEUPPER(xl,xr,slice,slw) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xl = xorg - x; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xr = xl + slw - 1; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if (slice.edge1_top && (slice.edge1.x < xr)) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xr = slice.edge1.x; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if (slice.edge2_top && (slice.edge2.x > xl)) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xl = slice.edge2.x;
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define MIARCSLICELOWER(xl,xr,slice,slw) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xl = xorg - x; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xr = xl + slw - 1; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if (!slice.edge1_top && (slice.edge1.x > xl)) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xl = slice.edge1.x; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if (!slice.edge2_top && (slice.edge2.x < xr)) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xr = slice.edge2.x;
f091ce66ee934d599f16056078a9a76d7286b959vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define MIWIDEARCSETUP(x,y,dy,slw,e,xk,xm,yk,ym) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    x = 0; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    y = slw >> 1; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    yk = y << 3; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xm = 8; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    ym = 8; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if (dy) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    { \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xk = 0; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if (slw & 1) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync        e = -1; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    else \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync        e = -(y << 2) - 2; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    } \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    else \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    { \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    y++; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    yk += 4; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    xk = -4; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if (slw & 1) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync        e = -(y << 2) - 3; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    else \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync        e = - (y << 3); \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    }
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define MIFILLINARCSTEP(slw) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    ine += inyk; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    while (ine >= 0) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    { \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    inx++; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    inxk -= inxm; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    ine += inxk; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    } \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    iny--; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    inyk -= inym; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    slw = (inx << 1) + dx; \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    if ((ine == inxk) && (slw > 1)) \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    slw--
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#define miFillInArcLower(slw) (((iny + dy) != 0) && \
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync                   ((slw > 1) || (ine != inxk)))
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsyncextern _X_EXPORT void miFillArcSetup(xArc * /*arc */ ,
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync                                     miFillArcRec *     /*info */
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    );
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsyncextern _X_EXPORT void miFillArcSliceSetup(xArc * /*arc */ ,
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync                                          miArcSliceRec * /*slice */ ,
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync                                          GCPtr /*pGC */
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync    );
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync#endif                          /* __MIFILLARC_H__ */
0b74a2f80aba476dc8be8bc1c63891fc53945986vboxsync