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author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/mi/mizerarc.h | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/mi/mizerarc.h')
-rw-r--r-- | nx-X11/programs/Xserver/mi/mizerarc.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/mi/mizerarc.h b/nx-X11/programs/Xserver/mi/mizerarc.h new file mode 100644 index 000000000..99062d192 --- /dev/null +++ b/nx-X11/programs/Xserver/mi/mizerarc.h @@ -0,0 +1,134 @@ +/* $XFree86: xc/programs/Xserver/mi/mizerarc.h,v 1.2 2001/08/06 20:51:20 dawes Exp $ */ +/************************************************************ + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +********************************************************/ + +/* $Xorg: mizerarc.h,v 1.4 2001/02/09 02:05:22 xorgcvs Exp $ */ + +typedef struct { + int x; + int y; + int mask; +} miZeroArcPtRec; + +typedef struct { + int x, y, k1, k3, a, b, d, dx, dy; + int alpha, beta; + int xorg, yorg; + int xorgo, yorgo; + int w, h; + int initialMask; + miZeroArcPtRec start, altstart, end, altend; + int firstx, firsty; + int startAngle, endAngle; +} miZeroArcRec; + +#define miCanZeroArc(arc) (((arc)->width == (arc)->height) || \ + (((arc)->width <= 800) && ((arc)->height <= 800))) + +#define MIARCSETUP() \ + x = info.x; \ + y = info.y; \ + k1 = info.k1; \ + k3 = info.k3; \ + a = info.a; \ + b = info.b; \ + d = info.d; \ + dx = info.dx; \ + dy = info.dy + +#define MIARCOCTANTSHIFT(clause) \ + if (a < 0) \ + { \ + if (y == info.h) \ + { \ + d = -1; \ + a = b = k1 = 0; \ + } \ + else \ + { \ + dx = (k1 << 1) - k3; \ + k1 = dx - k1; \ + k3 = -k3; \ + b = b + a - (k1 >> 1); \ + d = b + ((-a) >> 1) - d + (k3 >> 3); \ + if (dx < 0) \ + a = -((-dx) >> 1) - a; \ + else \ + a = (dx >> 1) - a; \ + dx = 0; \ + dy = 1; \ + clause \ + } \ + } + +#define MIARCSTEP(move1,move2) \ + b -= k1; \ + if (d < 0) \ + { \ + x += dx; \ + y += dy; \ + a += k1; \ + d += b; \ + move1 \ + } \ + else \ + { \ + x++; \ + y++; \ + a += k3; \ + d -= a; \ + move2 \ + } + +#define MIARCCIRCLESTEP(clause) \ + b -= k1; \ + x++; \ + if (d < 0) \ + { \ + a += k1; \ + d += b; \ + } \ + else \ + { \ + y++; \ + a += k3; \ + d -= a; \ + clause \ + } + +/* mizerarc.c */ + +extern Bool miZeroArcSetup( + xArc * /*arc*/, + miZeroArcRec * /*info*/, + Bool /*ok360*/ +); + +extern DDXPointPtr miZeroArcPts( + xArc * /*arc*/, + DDXPointPtr /*pts*/ +); + |