6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync/************************************************************
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsyncCopyright 1989, 1998 The Open Group
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsyncPermission to use, copy, modify, distribute, and sell this software and its
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsyncdocumentation for any purpose is hereby granted without fee, provided that
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsyncthe above copyright notice appear in all copies and that both that
dfc68b62b28c82701524c03873d326a99ebaa6cfvboxsynccopyright notice and this permission notice appear in supporting
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsyncdocumentation.
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsync
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncThe above copyright notice and this permission notice shall be included in
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncall copies or substantial portions of the Software.
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsync
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncAN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsync
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncExcept as contained in this notice, the name of The Open Group shall not be
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncused in advertising or otherwise to promote the sale, use or other dealings
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsyncin this Software without prior written authorization from The Open Group.
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsync
cf5f6bf2704d4fff443139e10bccc6a0a7fa4b85vboxsync********************************************************/
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsynctypedef struct {
7420e5ee5565b181c144eabb14da0da9e8cce657vboxsync int x;
7420e5ee5565b181c144eabb14da0da9e8cce657vboxsync int y;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync int mask;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync} miZeroArcPtRec;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsynctypedef struct {
47355efb636d69b667c1cef0f2fe826569b991b0vboxsync int x, y, k1, k3, a, b, d, dx, dy;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync int alpha, beta;
32b1164f35483be483177be7b5235002a4a5afbevboxsync int xorg, yorg;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync int xorgo, yorgo;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync int w, h;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync int initialMask;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync miZeroArcPtRec start, altstart, end, altend;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync int firstx, firsty;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync int startAngle, endAngle;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync} miZeroArcRec;
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync#define miCanZeroArc(arc) (((arc)->width == (arc)->height) || \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync (((arc)->width <= 800) && ((arc)->height <= 800)))
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync#define MIARCSETUP() \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync x = info.x; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync y = info.y; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync k1 = info.k1; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync k3 = info.k3; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync a = info.a; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync b = info.b; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync d = info.d; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync dx = info.dx; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync dy = info.dy
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync#define MIARCOCTANTSHIFT(clause) \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync if (a < 0) \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync { \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync if (y == info.h) \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync { \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync d = -1; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync a = b = k1 = 0; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync } \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync else \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync { \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync dx = (k1 << 1) - k3; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync k1 = dx - k1; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync k3 = -k3; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync b = b + a - (k1 >> 1); \
32b1164f35483be483177be7b5235002a4a5afbevboxsync d = b + ((-a) >> 1) - d + (k3 >> 3); \
32b1164f35483be483177be7b5235002a4a5afbevboxsync if (dx < 0) \
6c28ed70192c3f2d1edf978697ff0ee0276bf0eevboxsync a = -((-dx) >> 1) - a; \
6c28ed70192c3f2d1edf978697ff0ee0276bf0eevboxsync else \
32b1164f35483be483177be7b5235002a4a5afbevboxsync a = (dx >> 1) - a; \
32b1164f35483be483177be7b5235002a4a5afbevboxsync dx = 0; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync dy = 1; \
32b1164f35483be483177be7b5235002a4a5afbevboxsync clause \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync } \
8f1c8e96fab0c5f5a8dcabeb4e20a56a8b4cea18vboxsync }
8f1c8e96fab0c5f5a8dcabeb4e20a56a8b4cea18vboxsync
32b1164f35483be483177be7b5235002a4a5afbevboxsync#define MIARCSTEP(move1,move2) \
32b1164f35483be483177be7b5235002a4a5afbevboxsync b -= k1; \
32b1164f35483be483177be7b5235002a4a5afbevboxsync if (d < 0) \
8f1c8e96fab0c5f5a8dcabeb4e20a56a8b4cea18vboxsync { \
32b1164f35483be483177be7b5235002a4a5afbevboxsync x += dx; \
32b1164f35483be483177be7b5235002a4a5afbevboxsync y += dy; \
32b1164f35483be483177be7b5235002a4a5afbevboxsync a += k1; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync d += b; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync move1 \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync } \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync else \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync { \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync x++; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync y++; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync a += k3; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync d -= a; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync move2 \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync }
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync#define MIARCCIRCLESTEP(clause) \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync b -= k1; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync x++; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync if (d < 0) \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync { \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync a += k1; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync d += b; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync } \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync else \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync { \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync y++; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync a += k3; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync d -= a; \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync clause \
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync }
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync/* mizerarc.c */
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsyncextern _X_EXPORT Bool miZeroArcSetup(
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync xArc * /*arc*/,
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync miZeroArcRec * /*info*/,
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync Bool /*ok360*/
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync);
6a97c5c107ea1c9935054f25a4fb5ca59a214b72vboxsync