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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/mi/miwideline.h | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/mi/miwideline.h')
-rw-r--r-- | xorg-server/mi/miwideline.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/xorg-server/mi/miwideline.h b/xorg-server/mi/miwideline.h new file mode 100644 index 000000000..9d1aa03cb --- /dev/null +++ b/xorg-server/mi/miwideline.h @@ -0,0 +1,180 @@ +/* + +Copyright 1988, 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. + +*/ + +/* Author: Keith Packard, MIT X Consortium */ + +#include "mispans.h" +#include "mifpoly.h" /* for ICEIL */ + +/* + * interface data to span-merging polygon filler + */ + +typedef struct _SpanData { + SpanGroup fgGroup, bgGroup; +} SpanDataRec, *SpanDataPtr; + +#define AppendSpanGroup(pGC, pixel, spanPtr, spanData) { \ + SpanGroup *group, *othergroup = NULL; \ + if (pixel == pGC->fgPixel) \ + { \ + group = &spanData->fgGroup; \ + if (pGC->lineStyle == LineDoubleDash) \ + othergroup = &spanData->bgGroup; \ + } \ + else \ + { \ + group = &spanData->bgGroup; \ + othergroup = &spanData->fgGroup; \ + } \ + miAppendSpans (group, othergroup, spanPtr); \ +} + +/* + * Polygon edge description for integer wide-line routines + */ + +typedef struct _PolyEdge { + int height; /* number of scanlines to process */ + int x; /* starting x coordinate */ + int stepx; /* fixed integral dx */ + int signdx; /* variable dx sign */ + int e; /* initial error term */ + int dy; + int dx; +} PolyEdgeRec, *PolyEdgePtr; + +#define SQSECANT 108.856472512142 /* 1/sin^2(11/2) - miter limit constant */ + +/* + * types for general polygon routines + */ + +typedef struct _PolyVertex { + double x, y; +} PolyVertexRec, *PolyVertexPtr; + +typedef struct _PolySlope { + int dx, dy; + double k; /* x0 * dy - y0 * dx */ +} PolySlopeRec, *PolySlopePtr; + +/* + * Line face description for caps/joins + */ + +typedef struct _LineFace { + double xa, ya; + int dx, dy; + int x, y; + double k; +} LineFaceRec, *LineFacePtr; + +/* + * macros for polygon fillers + */ + +#define MIPOLYRELOADLEFT if (!left_height && left_count) { \ + left_height = left->height; \ + left_x = left->x; \ + left_stepx = left->stepx; \ + left_signdx = left->signdx; \ + left_e = left->e; \ + left_dy = left->dy; \ + left_dx = left->dx; \ + --left_count; \ + ++left; \ + } + +#define MIPOLYRELOADRIGHT if (!right_height && right_count) { \ + right_height = right->height; \ + right_x = right->x; \ + right_stepx = right->stepx; \ + right_signdx = right->signdx; \ + right_e = right->e; \ + right_dy = right->dy; \ + right_dx = right->dx; \ + --right_count; \ + ++right; \ + } + +#define MIPOLYSTEPLEFT left_x += left_stepx; \ + left_e += left_dx; \ + if (left_e > 0) \ + { \ + left_x += left_signdx; \ + left_e -= left_dy; \ + } + +#define MIPOLYSTEPRIGHT right_x += right_stepx; \ + right_e += right_dx; \ + if (right_e > 0) \ + { \ + right_x += right_signdx; \ + right_e -= right_dy; \ + } + +#define MILINESETPIXEL(pDrawable, pGC, pixel, oldPixel) { \ + oldPixel = pGC->fgPixel; \ + if (pixel != oldPixel) { \ + DoChangeGC (pGC, GCForeground, (XID *) &pixel, FALSE); \ + ValidateGC (pDrawable, pGC); \ + } \ +} +#define MILINERESETPIXEL(pDrawable, pGC, pixel, oldPixel) { \ + if (pixel != oldPixel) { \ + DoChangeGC (pGC, GCForeground, (XID *) &oldPixel, FALSE); \ + ValidateGC (pDrawable, pGC); \ + } \ +} + +extern void miRoundJoinClip( + LineFacePtr /*pLeft*/, + LineFacePtr /*pRight*/, + PolyEdgePtr /*edge1*/, + PolyEdgePtr /*edge2*/, + int * /*y1*/, + int * /*y2*/, + Bool * /*left1*/, + Bool * /*left2*/ +); + +extern int miRoundCapClip( + LineFacePtr /*face*/, + Bool /*isInt*/, + PolyEdgePtr /*edge*/, + Bool * /*leftEdge*/ +); + +extern int miPolyBuildEdge(double x0, double y0, double k, int dx, int dy, + int xi, int yi, int left, PolyEdgePtr edge); +extern int miPolyBuildPoly(PolyVertexPtr vertices, PolySlopePtr slopes, + int count, int xi, int yi, PolyEdgePtr left, + PolyEdgePtr right, int *pnleft, int *pnright, + int *h); + |