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https://gitlab.uni-freiburg.de/opensourcevdi/spice
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Add line rasterizer
This commit is contained in:
Alexander Larsson
parent
9091e763a8
commit
60a189f250
@ -11,6 +11,7 @@ RED_COMMON_SRCS = \
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cache.hpp \
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cairo_canvas.cpp \
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pixman_utils.cpp \
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lines.cpp \
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canvas.cpp \
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canvas.h \
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canvas_utils.cpp \
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24
client/lines.cpp
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24
client/lines.cpp
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@ -0,0 +1,24 @@
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/*
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Copyright (C) 2009 Red Hat, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "common.h"
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#include "utils.h"
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#define CANVAS_ERROR(format, ...) THROW(format, ## __VA_ARGS__)
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#include "../common/lines.c"
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@ -66,6 +66,7 @@ RED_COMMON_SRCS = \
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$(top_srcdir)/client/inputs_channel.h \
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$(top_srcdir)/client/inputs_handler.h \
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$(top_srcdir)/client/lz.cpp \
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$(top_srcdir)/client/lines.cpp \
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$(top_srcdir)/client/monitor.cpp \
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$(top_srcdir)/client/monitor.h \
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$(top_srcdir)/client/menu.cpp \
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@ -34,6 +34,8 @@ COMMON_SRCS = \
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ring.h \
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rop3.h \
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rop3.c \
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lines.h \
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lines.c \
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lz.c \
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lz_compress_tmpl.c \
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lz_config.h \
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3632
common/lines.c
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3632
common/lines.c
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File diff suppressed because it is too large
Load Diff
130
common/lines.h
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130
common/lines.h
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@ -0,0 +1,130 @@
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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifndef LINES_H
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#define LINES_H
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#include <pixman.h>
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#include <stdlib.h>
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#include <string.h>
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#include <spice/draw.h>
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typedef struct lineGC lineGC;
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typedef struct {
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void (*FillSpans)(lineGC * pGC,
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int num_spans, SpicePoint * points, int *widths,
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int sorted, int foreground);
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void (*FillRects)(lineGC * pGC,
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int nun_rects, pixman_rectangle32_t * rects,
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int foreground);
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} lineGCOps;
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struct lineGC {
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int width;
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int height;
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unsigned char alu;
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unsigned short lineWidth;
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unsigned short dashOffset;
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unsigned short numInDashList;
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unsigned char *dash;
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unsigned int lineStyle:2;
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unsigned int capStyle:2;
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unsigned int joinStyle:2;
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lineGCOps *ops;
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};
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/* CoordinateMode for drawing routines */
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#define CoordModeOrigin 0 /* relative to the origin */
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#define CoordModePrevious 1 /* relative to previous point */
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/* LineStyle */
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#define LineSolid 0
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#define LineOnOffDash 1
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#define LineDoubleDash 2
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/* capStyle */
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#define CapNotLast 0
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#define CapButt 1
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#define CapRound 2
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#define CapProjecting 3
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/* joinStyle */
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#define JoinMiter 0
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#define JoinRound 1
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#define JoinBevel 2
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extern void spice_canvas_zero_line(lineGC *pgc,
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int mode,
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int num_points,
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SpicePoint * points);
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extern void spice_canvas_zero_dash_line(lineGC * pgc,
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int mode,
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int n_points,
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SpicePoint * points);
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extern void spice_canvas_wide_dash_line(lineGC * pGC,
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int mode,
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int num_points,
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SpicePoint * points);
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extern void spice_canvas_wide_line(lineGC *pGC,
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int mode,
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int num_points,
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SpicePoint * points);
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extern int spice_canvas_clip_spans(pixman_region32_t *clip_region,
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SpicePoint *points,
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int *widths,
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int num_spans,
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SpicePoint *new_points,
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int *new_widths,
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int sorted);
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#endif /* LINES_H */
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@ -21,6 +21,7 @@ INCLUDES = \
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COMMON_SRCS = \
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$(top_srcdir)/common/cairo_canvas.c \
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$(top_srcdir)/common/pixman_utils.c \
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$(top_srcdir)/common/lines.c \
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$(top_srcdir)/common/gl_canvas.c \
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$(top_srcdir)/common/region.c \
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$(top_srcdir)/common/glc.c \
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