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/*
* Copyright © 1998 Keith Packard
* Copyright © 2012 Intel Corporation
*
* 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, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "fb.h"
#include <mi.h>
#include <micoord.h>
#include <miline.h>
#include <scrnintstr.h>
#define POLYLINE fbPolyline8
#define POLYSEGMENT fbPolySegment8
#define BITS BYTE
#define BITS2 CARD16
#define BITS4 CARD32
#include "fblinebits.h"
#undef BITS
#undef BITS2
#undef BITS4
#undef POLYSEGMENT
#undef POLYLINE
#define POLYLINE fbPolyline16
#define POLYSEGMENT fbPolySegment16
#define BITS CARD16
#define BITS2 CARD32
#include "fblinebits.h"
#undef BITS
#undef BITS2
#undef POLYSEGMENT
#undef POLYLINE
#define POLYLINE fbPolyline32
#define POLYSEGMENT fbPolySegment32
#define BITS CARD32
#include "fblinebits.h"
#undef BITS
#undef POLYSEGMENT
#undef POLYLINE
static void
fbZeroLine(DrawablePtr drawable, GCPtr gc, int mode, int n, DDXPointPtr pt)
{
int x1, y1, x2, y2;
int x, y;
int dashOffset;
x = drawable->x;
y = drawable->y;
x1 = pt->x;
y1 = pt->y;
dashOffset = gc->dashOffset;
while (--n) {
++pt;
x2 = pt->x;
y2 = pt->y;
if (mode == CoordModePrevious) {
x2 += x1;
y2 += y1;
}
fbSegment(drawable, gc,
x1 + x, y1 + y,
x2 + x, y2 + y,
n == 1 && gc->capStyle != CapNotLast, &dashOffset);
x1 = x2;
y1 = y2;
}
}
static void
fbZeroSegment(DrawablePtr drawable, GCPtr gc, int n, xSegment *seg)
{
int dashOffset;
int16_t x, y;
Bool drawLast = gc->capStyle != CapNotLast;
x = drawable->x;
y = drawable->y;
while (n--) {
dashOffset = gc->dashOffset;
fbSegment(drawable, gc,
seg->x1 + x, seg->y1 + y,
seg->x2 + x, seg->y2 + y,
drawLast, &dashOffset);
seg++;
}
}
void
fbFixCoordModePrevious(int n, DDXPointPtr pt)
{
int16_t x = pt->x;
int16_t y = pt->y;
while (--n) {
pt++;
x = (pt->x += x);
y = (pt->y += y);
}
}
void
fbPolyLine(DrawablePtr drawable, GCPtr gc, int mode, int n, DDXPointPtr pt)
{
void (*raster)(DrawablePtr, GCPtr, int mode, int n, DDXPointPtr pt);
DBG(("%s x %d, width=%d, fill=%d, line=%d\n",
__FUNCTION__, n, gc->lineWidth, gc->fillStyle, gc->lineStyle));
if (gc->lineWidth == 0) {
raster = fbZeroLine;
if (gc->fillStyle == FillSolid && gc->lineStyle == LineSolid) {
switch (drawable->bitsPerPixel) {
case 8:
raster = fbPolyline8;
break;
case 16:
raster = fbPolyline16;
break;
case 32:
raster = fbPolyline32;
break;
}
}
} else {
if (gc->lineStyle != LineSolid)
raster = miWideDash;
else
raster = miWideLine;
}
raster(drawable, gc, mode, n, pt);
}
void
fbPolySegment(DrawablePtr drawable, GCPtr gc, int n, xSegment *seg)
{
void (*raster)(DrawablePtr drawable, GCPtr gc, int n, xSegment * seg);
DBG(("%s x %d, width=%d, fill=%d, line=%d\n",
__FUNCTION__, n, gc->lineWidth, gc->fillStyle, gc->lineStyle));
if (gc->lineWidth == 0) {
raster = fbZeroSegment;
if (gc->fillStyle == FillSolid && gc->lineStyle == LineSolid) {
switch (drawable->bitsPerPixel) {
case 8:
raster = fbPolySegment8;
break;
case 16:
raster = fbPolySegment16;
break;
case 32:
raster = fbPolySegment32;
break;
}
}
} else
raster = miPolySegment;
raster(drawable, gc, n, seg);
}
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