* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
+#include <config.h>
#include <time.h>
#include <sys/ioctl.h>
#include <string.h>
static gint gdk_colormap_match_color (GdkColormap *cmap,
GdkColor *color,
const gchar *available);
+static void gdk_fb_color_round_to_hw (GdkColor *color);
static gpointer parent_class;
g_free (private->info);
g_free (colormap->colors);
+ g_free (private);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
gint private_cmap)
{
GdkColormap *colormap;
+ GdkColormap *system;
GdkColormapPrivateFB *private;
GdkFBDisplay *fbd;
int i;
private->hash = g_hash_table_new ((GHashFunc) gdk_color_hash,
(GEqualFunc) gdk_color_equal);
+
+ system = gdk_colormap_get_system ();
+ memcpy (colormap->colors, system->colors, colormap->size * sizeof (GdkColor));
if (private_cmap)
{
fbc.green = green;
fbc.blue = blue;
- if (ioctl (fbd->fd, FBIOGETCMAP, &fbc))
+ if (ioctl (fbd->fb_fd, FBIOGETCMAP, &fbc))
g_error("ioctl(FBIOGETCMAP) failed");
for (i = 0; i < colormap->size; i++)
break;
case GDK_VISUAL_DIRECT_COLOR:
- g_error("NYI");
+ g_warning ("gdk_colormap_new () on a direct color visual not implemented");
#if 0
colormap->colors = g_new (GdkColor, colormap->size);
return colormap;
}
-#define MIN_SYNC_TIME 2
-
-void
-gdk_colormap_sync (GdkColormap *colormap,
- gboolean force)
-{
-
-}
-
GdkColormap*
-gdk_colormap_get_system (void)
+gdk_screen_get_system_colormap (GdkScreen *screen)
{
static GdkColormap *colormap = NULL;
if (!colormap)
{
- guint16 red[256], green[256], blue[256];
- struct fb_cmap fbc = {0, 256};
- int i, r, g, b;
+ GdkColormapPrivateFB *private;
GdkVisual *visual = gdk_visual_get_system ();
+ int i, r, g, b;
+
+ colormap = g_object_new (gdk_colormap_get_type (), NULL);
+ private = GDK_COLORMAP_PRIVATE_DATA (colormap);
- if (visual->type == GDK_VISUAL_GRAYSCALE
- || visual->type == GDK_VISUAL_PSEUDO_COLOR)
+ colormap->visual = visual;
+ private->hash = NULL;
+
+ colormap->size = visual->colormap_size;
+ colormap->colors = NULL;
+
+ switch (visual->type)
{
- fbc.red = red;
- fbc.green = green;
- fbc.blue = blue;
+ 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,
+ (GEqualFunc) gdk_color_equal);
switch(visual->type)
{
case GDK_VISUAL_GRAYSCALE:
- for(i = 0; i < 256; i++)
- red[i] = green[i] = blue[i] = i << 8;
+ for(i = 0; i < 256; i++) {
+ colormap->colors[i].red =
+ colormap->colors[i].green =
+ colormap->colors[i].blue = i << 8;
+ gdk_fb_color_round_to_hw (&colormap->colors[i]);
+ }
i--;
- red[i] = green[i] = blue[i] = 65535; /* Make it a true white */
+ colormap->colors[i].red =
+ colormap->colors[i].green =
+ colormap->colors[i].blue = 65535; /* Make it a true white */
+ gdk_fb_color_round_to_hw (&colormap->colors[i]);
break;
case GDK_VISUAL_PSEUDO_COLOR:
/* Color cube stolen from gdkrgb upon advice from Owen */
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;
+ colormap->colors[i].red = r * 65535 / 5;
+ colormap->colors[i].green = g * 65535 / 5;
+ colormap->colors[i].blue = b * 65535 / 5;
+ gdk_fb_color_round_to_hw (&colormap->colors[i]);
i++;
}
g_assert (i == 216);
-
- /* Fill in remaining space with grays */
+ /* Fill in remaining space with grays */
for(i = 216; i < 256; i++)
{
- red[i] = green[i] = blue[i] =
- (i - 216) * 40;
+ colormap->colors[i].red =
+ colormap->colors[i].green =
+ colormap->colors[i].blue = (i - 216) * 40;
+ gdk_fb_color_round_to_hw (&colormap->colors[i]);
}
/* Real white */
- red[255] = green[255] = blue[255] = 65535;
+ colormap->colors[255].red =
+ colormap->colors[255].green =
+ colormap->colors[255].blue = 65535;
+ gdk_fb_color_round_to_hw (&colormap->colors[255]);
+
break;
default:
break;
}
-
- ioctl (gdk_display->fd, FBIOPUTCMAP, &fbc);
+ break;
+ case GDK_VISUAL_DIRECT_COLOR:
+ g_warning ("gdk_colormap_get_system() on a direct color visual is not implemented");
+ break;
+ default:
+ g_assert_not_reached ();
+ case GDK_VISUAL_TRUE_COLOR:
+ break;
}
-
- colormap = gdk_colormap_new (visual, TRUE);
+
+ /* Lock all colors for the system colormap
+ * on pseudocolor visuals. The AA text rendering
+ * takes to many colors otherwise.
+ */
+ if ((visual->type == GDK_VISUAL_GRAYSCALE) ||
+ (visual->type == GDK_VISUAL_PSEUDO_COLOR))
+ {
+ for(i = 0; i < 256; i++)
+ {
+ colormap->colors[i].pixel = i;
+ private->info[i].ref_count = 1;
+ g_hash_table_insert (private->hash,
+ &colormap->colors[i],
+ &colormap->colors[i]);
+ }
+ }
+ gdk_colormap_change (colormap, colormap->size);
}
return colormap;
colormap->colors[i].green +
colormap->colors[i].blue)/3;
}
- ioctl (gdk_display->fd, FBIOPUTCMAP, &fbc);
+ ioctl (gdk_display->fb_fd, FBIOPUTCMAP, &fbc);
break;
case GDK_VISUAL_PSEUDO_COLOR:
green[i] = colormap->colors[i].green;
blue[i] = colormap->colors[i].blue;
}
- ioctl (gdk_display->fd, FBIOPUTCMAP, &fbc);
+ ioctl (gdk_display->fb_fd, FBIOPUTCMAP, &fbc);
break;
default:
}
}
-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,
(colormap->visual->type != GDK_VISUAL_GRAYSCALE))
return;
- for (i=0; i<ncolors; i++)
+ for (i = 0; i < ncolors; i++)
{
gulong pixel = colors[i].pixel;
* Color allocation *
********************/
+static void
+gdk_fb_color_round_to_hw (GdkColor *color)
+{
+ guint rmask, gmask, bmask, len;
+
+ len = gdk_display->modeinfo.red.length;
+ rmask = ((1 << len) - 1) << (16-len);
+ len = gdk_display->modeinfo.green.length;
+ gmask = ((1 << len) - 1) << (16-len);
+ len = gdk_display->modeinfo.blue.length;
+ bmask = ((1 << len) - 1) << (16-len);
+
+ color->red &=rmask;
+ color->green &=gmask;
+ color->blue &=bmask;
+}
+
/* Try to allocate a single color using XAllocColor. If it succeeds,
* cache the result in our colormap, and store in ret.
*/
return FALSE;
*ret = *color;
- if (!color->red && !color->green && !color->blue) /* black */
- {
- ret->pixel = 0;
- private->info[ret->pixel].ref_count++;
- return TRUE;
- }
+
+ gdk_fb_color_round_to_hw (ret);
- if (color->red == 65535 && color->green == 65535 && color->blue == 65535) /* white */
+ for (i = 0; i<colormap->size; i++)
{
- ret->pixel = 255;
- private->info[ret->pixel].ref_count++;
- return TRUE;
+ if (!(private->info[i].flags & GDK_COLOR_WRITEABLE) &&
+ (ret->red == colormap->colors[i].red) &&
+ (ret->green == colormap->colors[i].green) &&
+ (ret->blue == colormap->colors[i].blue))
+ {
+ ret->pixel = i;
+ colormap->colors[i].pixel = i;
+ if (private->info[i].ref_count == 0)
+ g_hash_table_insert (private->hash,
+ &colormap->colors[ret->pixel],
+ &colormap->colors[ret->pixel]);
+ private->info[i].ref_count++;
+ return TRUE;
+ }
}
- for (i = 1; i < (colormap->size - 1); i++)
+ for (i = 0; i<colormap->size; i++)
{
- if (!private->info[i].ref_count)
+ if (private->info[i].ref_count==0)
{
guint16 red = color->red, green = color->green, blue = color->blue;
struct fb_cmap fbc;
fbc.green = &green;
fbc.blue = &blue;
- ioctl (gdk_display->fd, FBIOPUTCMAP, &fbc);
+ ioctl (gdk_display->fb_fd, FBIOPUTCMAP, &fbc);
ret->pixel = i;
colormap->colors[ret->pixel] = *ret;
return TRUE;
}
}
-
+
return FALSE;
}
private = GDK_COLORMAP_PRIVATE_DATA (colormap);
index = -1;
- for (i=0; i<ncolors; i++)
+ for (i = 0; i < ncolors; i++)
{
if (!success[i])
{
for (i = 0; i < colormap->size; i++)
available[i] = ((private->info[i].ref_count == 0) ||
- !(private->info[i].flags && GDK_COLOR_WRITEABLE));
+ !(private->info[i].flags & GDK_COLOR_WRITEABLE));
while (nremaining > 0)
{
- for (i=0; i<ncolors; i++)
+ for (i = 0; i < ncolors; i++)
{
if (!success[i])
{
/* Change back the values we flagged as permanent failures */
if (nfailed > 0)
{
- for (i=0; i<ncolors; i++)
+ for (i = 0; i < ncolors; i++)
if (success[i] == 2)
success[i] = FALSE;
nremaining = nfailed;
/* Check for an exact match among previously allocated colors */
- for (i=0; i<ncolors; i++)
+ for (i = 0; i < ncolors; i++)
{
if (!success[i])
{
private = GDK_COLORMAP_PRIVATE_DATA (colormap);
- for (i=0; i<ncolors; i++)
+ for (i = 0; i < ncolors; i++)
success[i] = FALSE;
visual = colormap->visual;
case GDK_VISUAL_DIRECT_COLOR:
case GDK_VISUAL_TRUE_COLOR:
- for (i=0; i<ncolors; i++)
+ for (i = 0; i < ncolors; i++)
{
colors[i].pixel = (((colors[i].red >> (16 - visual->red_prec)) << visual->red_shift) +
((colors[i].green >> (16 - visual->green_prec)) << visual->green_shift) +
case GDK_VISUAL_GRAYSCALE:
color->red = color->green = color->blue = (color->red + color->green + color->blue)/3;
+ /* Fall through */
case GDK_VISUAL_PSEUDO_COLOR:
+ colormap->colors[color->pixel] = *color;
+
fbc.start = color->pixel;
fbc.red = &color->red;
fbc.green = &color->green;
fbc.blue = &color->blue;
- ioctl (gdk_display->fd, FBIOPUTCMAP, &fbc);
+ ioctl (gdk_display->fb_fd, FBIOPUTCMAP, &fbc);
break;
default:
return index;
}
-gint
+gboolean
gdk_colors_alloc (GdkColormap *colormap,
gboolean contiguous,
gulong *planes,
gulong *pixels,
gint npixels)
{
- return 0;
+ GdkColormapPrivateFB *private;
+ gint found, i, col;
+
+ g_return_val_if_fail (colormap != NULL, FALSE);
+
+ private = GDK_COLORMAP_PRIVATE_DATA (colormap);
+
+ if (nplanes > 0)
+ return FALSE;
+
+ found = 0;
+ for (i = 1; i < colormap->size; i++)
+ {
+ if (private->info[i].ref_count == 0)
+ {
+ found++;
+ if (found >= npixels)
+ break;
+ }
+ }
+
+ if (found < npixels)
+ return FALSE;
+
+ col = 0;
+ for (i = 1; i < colormap->size; i++)
+ {
+ if (private->info[i].ref_count == 0)
+ {
+ pixels[col++] = i;
+ private->info[i].ref_count++;
+ private->info[i].flags |= GDK_COLOR_WRITEABLE;
+ if (col == npixels)
+ return TRUE;
+ }
+ }
+
+ g_assert_not_reached ();
+ return FALSE;
}
void
gint npixels,
gulong planes)
{
+ GdkColormapPrivateFB *private;
+ gint i, pixel;
+
+ g_return_if_fail (colormap != NULL);
+
+ if ((colormap->visual->type != GDK_VISUAL_PSEUDO_COLOR) &&
+ (colormap->visual->type != GDK_VISUAL_GRAYSCALE))
+ return;
+
+ private = GDK_COLORMAP_PRIVATE_DATA (colormap);
+
+ for (i = 0; i < npixels; i++)
+ {
+ pixel = pixels[i];
+
+ 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;
+ }
+ }
+ }
+}
+
+
+void
+gdk_colormap_query_color (GdkColormap *colormap,
+ gulong pixel,
+ GdkColor *result)
+{
+ GdkVisual *visual;
+
+ g_return_if_fail (GDK_IS_COLORMAP (colormap));
+
+ visual = gdk_colormap_get_visual (colormap);
+
+ switch (visual->type)
+ {
+ case GDK_VISUAL_DIRECT_COLOR:
+ case GDK_VISUAL_TRUE_COLOR:
+ result->red = 65535. * (gdouble) ((pixel & visual->red_mask) >> visual->red_shift) / ((1 << visual->red_prec) - 1);
+ result->green = 65535. * (gdouble) ((pixel & visual->green_mask) >> visual->green_shift) / ((1 << visual->green_prec) - 1);
+ result->blue = 65535. * (gdouble) ((pixel & visual->blue_mask) >> visual->blue_shift) / ((1 << visual->blue_prec) - 1);
+ break;
+ case GDK_VISUAL_STATIC_GRAY:
+ case GDK_VISUAL_GRAYSCALE:
+ result->red = result->green = result->blue = 65535. * (double)pixel/((1<<visual->depth) - 1);
+ break;
+ case GDK_VISUAL_PSEUDO_COLOR:
+ result->red = colormap->colors[pixel].red;
+ result->green = colormap->colors[pixel].green;
+ result->blue = colormap->colors[pixel].blue;
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+}
+
+GdkScreen*
+gdk_colormap_get_screen (GdkColormap *cmap)
+{
+ g_return_val_if_fail (cmap != NULL, NULL);
+
+ return gdk_screen_get_default ();
}