Commit c4962116 authored by Elliot Lee's avatar Elliot Lee

Put it into CVS.



Put it into CVS.
parent 85e7a89b
*.lo
Makefile
Makefile.in
.deps
_libs
.libs
libgdk-x11.la
gxid
## Process this file with automake to produce Makefile.in
INCLUDES = @STRIP_BEGIN@ \
-DG_LOG_DOMAIN=\"Gdk\" \
-I$(top_srcdir) \
-I$(top_srcdir)/gdk \
-I$(top_builddir)/gdk \
@GTK_DEBUG_FLAGS@ \
@GTK_XIM_FLAGS@ \
@GTK_LOCALE_FLAGS@ \
@GLIB_CFLAGS@ \
@STRIP_END@
LDFLAGS = @STRIP_BEGIN@ \
@GLIB_LIBS@ \
-L/gnome2/lib \
-lt1 \
-lm \
@STRIP_END@
lib_LTLIBRARIES = libgdk-fb.la
noinst_PROGRAMS=test-fb
test_fb_LDFLAGS=../libgdk.la libgdk-fb.la
libgdk_fb_la_SOURCES = \
gdkcolor-fb.c \
gdkcursor-fb.c \
gdkdnd-fb.c \
gdkdrawable-fb2.c \
gdkfont-fb.c \
gdkgc-fb.c \
gdkgeometry-fb.c \
gdkglobals-fb.c \
gdkim-fb.c \
gdkimage-fb.c \
gdkinput.c \
gdkmain-fb.c \
gdkpixmap-fb.c \
gdkproperty-fb.c \
gdkpolyreg-generic.c \
gdkregion-generic.c \
gdkselection-fb.c \
gdkvisual-fb.c \
gdkwindow-fb.c \
gdkx.h \
gdkprivate-fb.h \
gdkinputprivate.h \
gdkinput-ps2.c \
gdkevents-fb.c \
miarc.c \
midash.c \
mifillarc.c \
mifpolycon.c \
mipoly.c \
mipolygen.c \
mipolyutil.c \
miwideline.c \
mizerclip.c \
mizerline.c \
mispans.c
. Fix CTree
. DnD?
. All the standard X cursors
/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <time.h>
#include <sys/ioctl.h>
#include <string.h>
#include <stdlib.h>
#include "gdkcolor.h"
#include "gdkprivate-fb.h"
static gint gdk_colormap_match_color (GdkColormap *cmap,
GdkColor *color,
const gchar *available);
GdkColormap*
gdk_colormap_new (GdkVisual *visual,
gint private_cmap)
{
GdkColormap *colormap;
GdkColormapPrivateFB *private;
GdkFBDisplay *fbd;
int i;
g_return_val_if_fail (visual != NULL, NULL);
private = g_new (GdkColormapPrivateFB, 1);
colormap = (GdkColormap*) private;
private->base.visual = visual;
private->base.ref_count = 1;
fbd = gdk_display;
private->hash = NULL;
colormap->size = visual->colormap_size;
colormap->colors = NULL;
switch (visual->type)
{
case GDK_VISUAL_STATIC_GRAY:
case GDK_VISUAL_STATIC_COLOR:
case GDK_VISUAL_GRAYSCALE:
case GDK_VISUAL_PSEUDO_COLOR:
private->info = g_new0 (GdkColorInfo, colormap->size);
colormap->colors = g_new (GdkColor, colormap->size);
private->hash = g_hash_table_new ((GHashFunc) gdk_color_hash,
(GCompareFunc) gdk_color_equal);
if (private_cmap)
{
guint16 red[256], green[256], blue[256];
struct fb_cmap fbc = {0, 256};
fbc.red = red;
fbc.green = green;
fbc.blue = blue;
if(ioctl(fbd->fd, FBIOGETCMAP, &fbc))
g_error("ioctl(FBIOGETCMAP) failed");
for (i = 0; i < colormap->size; i++)
{
colormap->colors[i].pixel = i;
colormap->colors[i].red = red[i];
colormap->colors[i].green = green[i];
colormap->colors[i].blue = blue[i];
}
gdk_colormap_change (colormap, colormap->size);
}
break;
case GDK_VISUAL_DIRECT_COLOR:
g_error("NYI");
#if 0
colormap->colors = g_new (GdkColor, colormap->size);
size = 1 << visual->red_prec;
for (i = 0; i < size; i++)
colormap->colors[i].red = i * 65535 / (size - 1);
size = 1 << visual->green_prec;
for (i = 0; i < size; i++)
colormap->colors[i].green = i * 65535 / (size - 1);
size = 1 << visual->blue_prec;
for (i = 0; i < size; i++)
colormap->colors[i].blue = i * 65535 / (size - 1);
gdk_colormap_change (colormap, colormap->size);
#endif
break;
default:
g_assert_not_reached();
case GDK_VISUAL_TRUE_COLOR:
break;
}
return colormap;
}
void
_gdk_colormap_real_destroy (GdkColormap *colormap)
{
GdkColormapPrivateFB *private = (GdkColormapPrivateFB*) colormap;
if (private->hash)
g_hash_table_destroy (private->hash);
g_free (private->info);
g_free (colormap->colors);
g_free (colormap);
}
#define MIN_SYNC_TIME 2
void
gdk_colormap_sync (GdkColormap *colormap,
gboolean force)
{
}
GdkColormap*
gdk_colormap_get_system (void)
{
static GdkColormap *colormap = NULL;
if (!colormap)
{
guint16 red[256], green[256], blue[256];
struct fb_cmap fbc = {0, 256};
int i, r, g, b;
GdkVisual *visual = gdk_visual_get_system();
if(visual->type == GDK_VISUAL_GRAYSCALE
|| visual->type == GDK_VISUAL_PSEUDO_COLOR)
{
fbc.red = red;
fbc.green = green;
fbc.blue = blue;
switch(visual->type)
{
case GDK_VISUAL_GRAYSCALE:
for(i = 0; i < 256; i++)
red[i] = green[i] = blue[i] = i << 8;
i--;
red[i] = green[i] = blue[i] = 65535; /* Make it a true white */
break;
case GDK_VISUAL_PSEUDO_COLOR:
/* Color cube stolen from gdkrgb upon advice from Owen */
for(i = r = 0; r < 6; r++)
for(g = 0; g < 6; g++)
for(b = 0; b < 6; b++)
{
red[i] = r * 65535 / 5;
green[i] = g * 65535 / 5;
blue[i] = b * 65535 / 5;
i++;
}
g_assert(i == 216);
/* Fill in remaining space with grays */
for(i = 216; i < 256; i++)
{
red[i] = green[i] = blue[i] =
(i - 216) * 40;
}
/* Real white */
red[255] = green[255] = blue[255] = 65535;
break;
default:
break;
}
ioctl(gdk_display->fd, FBIOPUTCMAP, &fbc);
}
colormap = gdk_colormap_new(visual, TRUE);
}
return colormap;
}
gint
gdk_colormap_get_system_size (void)
{
return 1 << (gdk_display->modeinfo.bits_per_pixel);
}
void
gdk_colormap_change (GdkColormap *colormap,
gint ncolors)
{
guint16 red[256], green[256], blue[256];
struct fb_cmap fbc = {0,256};
GdkColormapPrivateFB *private;
int i;
g_return_if_fail (colormap != NULL);
fbc.red = red;
fbc.green = green;
fbc.blue = blue;
private = (GdkColormapPrivateFB*) colormap;
switch (private->base.visual->type)
{
case GDK_VISUAL_GRAYSCALE:
for(i = 0; i < ncolors; i++)
{
red[i] = green[i] = blue[i] =
(colormap->colors[i].red +
colormap->colors[i].green +
colormap->colors[i].blue)/3;
}
ioctl(gdk_display->fd, FBIOPUTCMAP, &fbc);
break;
case GDK_VISUAL_PSEUDO_COLOR:
for (i = 0; i < ncolors; i++)
{
red[i] = colormap->colors[i].red;
green[i] = colormap->colors[i].green;
blue[i] = colormap->colors[i].blue;
}
ioctl(gdk_display->fd, FBIOPUTCMAP, &fbc);
break;
default:
break;
}
}
gboolean
gdk_color_parse (const gchar *spec,
GdkColor *color)
{
char aline[512];
FILE *fh;
g_return_val_if_fail(spec, FALSE);
g_return_val_if_fail(color, FALSE);
if(spec[0] == '#')
{
if(strlen(spec) == 7)
{
guint num;
sscanf(spec + 1, "%x", &num);
color->red = (num & 0xFF0000) >> 8;
color->green = (num & 0xFF00);
color->blue = (num & 0xFF) << 8;
}
else if(strlen(spec) == 13)
{
char s1[5], s2[5], s3[5];
g_snprintf(s1, sizeof(s1), spec + 1);
g_snprintf(s2, sizeof(s2), spec + 5);
g_snprintf(s3, sizeof(s3), spec + 9);
if(!sscanf(s1, "%hx", &color->red))
g_error("sscanf failed");
if(!sscanf(s2, "%hx", &color->green))
g_error("sscanf failed");
if(!sscanf(s3, "%hx", &color->blue))
g_error("sscanf failed");
}
else
{
g_warning("Couldn't parse color specifier `%s'", spec);
return FALSE;
}
return TRUE;
}
else
{
fh = fopen("/usr/lib/X11/rgb.txt", "r");
if(!fh)
return FALSE;
while(fgets(aline, sizeof(aline), fh))
{
int red, green, blue;
char *ctmp;
g_strstrip(aline);
if(!aline[0] || aline[0] == '#' || aline[0] == '!')
continue;
ctmp = strtok(aline, " \t");
if(!ctmp)
continue;
red = atoi(ctmp);
ctmp = strtok(NULL, " \t");
if(!ctmp)
continue;
green = atoi(ctmp);
ctmp = strtok(NULL, " \t");
if(!ctmp)
continue;
blue = atoi(ctmp);
ctmp = strtok(NULL, " \t");
if(!ctmp || strcmp(ctmp, spec))
continue;
color->red = red << 8;
color->green = green << 8;
color->blue = blue << 8;
return TRUE;
}
fclose(fh);
}
return FALSE;
}
void
gdk_colormap_free_colors (GdkColormap *colormap,
GdkColor *colors,
gint ncolors)
{
GdkColormapPrivateFB *private;
gint i;
g_return_if_fail (colormap != NULL);
g_return_if_fail (colors != NULL);
private = (GdkColormapPrivateFB*) colormap;
if ((private->base.visual->type != GDK_VISUAL_PSEUDO_COLOR) &&
(private->base.visual->type != GDK_VISUAL_GRAYSCALE))
return;
for (i=0; i<ncolors; i++)
{
gulong pixel = colors[i].pixel;
if (private->info[pixel].ref_count)
{
private->info[pixel].ref_count--;
if (private->info[pixel].ref_count == 0)
{
if (!(private->info[pixel].flags & GDK_COLOR_WRITEABLE))
g_hash_table_remove (private->hash, &colormap->colors[pixel]);
private->info[pixel].flags = 0;
}
}
}
}
/********************
* Color allocation *
********************/
/* Try to allocate a single color using XAllocColor. If it succeeds,
* cache the result in our colormap, and store in ret.
*/
static gboolean
gdk_colormap_alloc1 (GdkColormap *colormap,
GdkColor *color,
GdkColor *ret)
{
GdkColormapPrivateFB *private;
int i;
private = (GdkColormapPrivateFB*) colormap;
if(private->base.visual->type != GDK_VISUAL_GRAYSCALE
&& private->base.visual->type != GDK_VISUAL_PSEUDO_COLOR)
return FALSE;
*ret = *color;
if(!color->red && !color->green && !color->blue) /* black */
{
ret->pixel = 0;
private->info[ret->pixel].ref_count++;
return TRUE;
}
if(color->red == 65535 && color->green == 65535 && color->blue == 65535) /* white */
{
ret->pixel = 255;
private->info[ret->pixel].ref_count++;
return TRUE;
}
for(i = 1; i < (colormap->size - 1); i++)
{
if(!private->info[i].ref_count)
{
guint16 red = color->red, green = color->green, blue = color->blue;
struct fb_cmap fbc;
fbc.len = 1;
fbc.start = i;
fbc.red = &red;
fbc.green = &green;
fbc.blue = &blue;
ioctl(gdk_display->fd, FBIOPUTCMAP, &fbc);
ret->pixel = i;
colormap->colors[ret->pixel] = *ret;
private->info[ret->pixel].ref_count = 1;
g_hash_table_insert (private->hash,
&colormap->colors[ret->pixel],
&colormap->colors[ret->pixel]);
return TRUE;
}
}
return FALSE;
}
static gint
gdk_colormap_alloc_colors_shared (GdkColormap *colormap,
GdkColor *colors,
gint ncolors,
gboolean writeable,
gboolean best_match,
gboolean *success)
{
GdkColormapPrivateFB *private;
gint i, index;
gint nremaining = 0;
gint nfailed = 0;
private = (GdkColormapPrivateFB*) colormap;
index = -1;
for (i=0; i<ncolors; i++)
{
if (!success[i])
{
if (gdk_colormap_alloc1 (colormap, &colors[i], &colors[i]))
success[i] = TRUE;
else
nremaining++;
}
}
if (nremaining > 0 && best_match)
{
gchar *available = g_new (gchar, colormap->size);
for (i = 0; i < colormap->size; i++)
available[i] = ((private->info[i].ref_count == 0) ||
!(private->info[i].flags && GDK_COLOR_WRITEABLE));
while (nremaining > 0)
{
for (i=0; i<ncolors; i++)
{
if (!success[i])
{
index = gdk_colormap_match_color (colormap, &colors[i], available);
if (index != -1)
{
if (private->info[index].ref_count)
{
private->info[index].ref_count++;
colors[i] = colormap->colors[index];
success[i] = TRUE;
nremaining--;
}
else
{
if (gdk_colormap_alloc1 (colormap,
&colormap->colors[index],
&colors[i]))
{
success[i] = TRUE;
nremaining--;
break;
}
else
{
available[index] = FALSE;
}
}
}
else
{
nfailed++;
nremaining--;
success[i] = 2; /* flag as permanent failure */
}
}
}
}
g_free (available);
}
/* Change back the values we flagged as permanent failures */
if (nfailed > 0)
{
for (i=0; i<ncolors; i++)
if (success[i] == 2)
success[i] = FALSE;
nremaining = nfailed;
}
return (ncolors - nremaining);
}
static gint
gdk_colormap_alloc_colors_pseudocolor (GdkColormap *colormap,
GdkColor *colors,
gint ncolors,
gboolean writeable,
gboolean best_match,
gboolean *success)
{
GdkColormapPrivateFB *private;
GdkColor *lookup_color;
gint i;
gint nremaining = 0;
private = (GdkColormapPrivateFB*) colormap;
/* Check for an exact match among previously allocated colors */
for (i=0; i<ncolors; i++)
{
if (!success[i])
{
lookup_color = g_hash_table_lookup (private->hash, &colors[i]);
if (lookup_color)
{
private->info[lookup_color->pixel].ref_count++;
colors[i].pixel = lookup_color->pixel;
success[i] = TRUE;
}
else
nremaining++;
}
}
/* If that failed, we try to allocate a new color, or approxmiate
* with what we can get if best_match is TRUE.
*/
if (nremaining > 0)
return gdk_colormap_alloc_colors_shared (colormap, colors, ncolors, writeable, best_match, success);
else
return 0;
}
gint
gdk_colormap_alloc_colors (GdkColormap *colormap,
GdkColor *colors,
gint ncolors,
gboolean writeable,
gboolean best_match,
gboolean *success)
{
GdkColormapPrivateFB *private;
GdkVisual *visual;
gint i;
gint nremaining = 0;
g_return_val_if_fail (colormap != NULL, FALSE);
g_return_val_if_fail (colors != NULL, FALSE);
private = (GdkColormapPrivateFB*) colormap;