* 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 <X11/Xlib.h>
#include "gdk.h"
#include "gdkprivate.h"
+#include "gdkx.h"
static gint gdk_colormap_match_color (GdkColormap *cmap,
private->xdisplay = gdk_display;
private->visual = visual;
- private->next_color = 0;
private->ref_count = 1;
+
+ private->hash = NULL;
+ private->last_sync_time = 0;
+ private->info = NULL;
+
xvisual = ((GdkVisualPrivate*) visual)->xvisual;
colormap->size = visual->colormap_size;
- colormap->colors = g_new (GdkColor, colormap->size);
+ colormap->colors = NULL;
switch (visual->type)
{
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);
+
private->private_val = private_cmap;
private->xcolormap = XCreateColormap (private->xdisplay, gdk_root_window,
xvisual, (private_cmap) ? (AllocAll) : (AllocNone));
private->private_val = TRUE;
private->xcolormap = XCreateColormap (private->xdisplay, gdk_root_window,
xvisual, AllocAll);
+ colormap->colors = g_new (GdkColor, colormap->size);
size = 1 << visual->red_prec;
for (i = 0; i < size; i++)
GdkColormapPrivate *private = (GdkColormapPrivate*) colormap;
g_return_if_fail (colormap != NULL);
-
- if (private->ref_count > 0)
- return;
+ g_return_if_fail (private->ref_count == 0);
gdk_colormap_remove (colormap);
XFreeColormap (private->xdisplay, private->xcolormap);
+
+ if (private->hash)
+ g_hash_table_destroy (private->hash);
+
+ g_free (private->info);
g_free (colormap->colors);
g_free (colormap);
}
gdk_colormap_ref (GdkColormap *cmap)
{
GdkColormapPrivate *private = (GdkColormapPrivate *)cmap;
+
g_return_val_if_fail (cmap != NULL, NULL);
private->ref_count += 1;
gdk_colormap_unref (GdkColormap *cmap)
{
GdkColormapPrivate *private = (GdkColormapPrivate *)cmap;
+
g_return_if_fail (cmap != NULL);
+ g_return_if_fail (private->ref_count > 0);
private->ref_count -= 1;
if (private->ref_count == 0)
gdk_colormap_real_destroy (cmap);
}
+GdkVisual *
+gdk_colormap_get_visual (GdkColormap *colormap)
+{
+ GdkColormapPrivate *private;
+
+ g_return_val_if_fail (colormap != NULL, NULL);
+
+ private = (GdkColormapPrivate *)colormap;
+
+ return private->visual;
+}
+
+#define MIN_SYNC_TIME 2
+
+void
+gdk_colormap_sync (GdkColormap *colormap,
+ gboolean force)
+{
+ time_t current_time;
+ GdkColormapPrivate *private = (GdkColormapPrivate *)colormap;
+ XColor *xpalette;
+ gint nlookup;
+ gint i;
+
+ g_return_if_fail (colormap != NULL);
+
+ current_time = time (NULL);
+ if (!force && ((current_time - private->last_sync_time) < MIN_SYNC_TIME))
+ return;
+
+ private->last_sync_time = current_time;
+
+ nlookup = 0;
+ xpalette = g_new (XColor, colormap->size);
+
+ for (i = 0; i < colormap->size; i++)
+ {
+ if (private->info[i].ref_count == 0)
+ {
+ xpalette[nlookup].pixel = i;
+ xpalette[nlookup].red = 0;
+ xpalette[nlookup].green = 0;
+ xpalette[nlookup].blue = 0;
+ nlookup++;
+ }
+ }
+
+ XQueryColors (gdk_display, private->xcolormap, xpalette, nlookup);
+
+ for (i = 0; i < nlookup; i++)
+ {
+ gulong pixel = xpalette[i].pixel;
+ colormap->colors[pixel].pixel = pixel;
+ colormap->colors[pixel].red = xpalette[i].red;
+ colormap->colors[pixel].green = xpalette[i].green;
+ colormap->colors[pixel].blue = xpalette[i].blue;
+ }
+
+ g_free (xpalette);
+}
+
+
GdkColormap*
gdk_colormap_get_system (void)
{
static GdkColormap *colormap = NULL;
GdkColormapPrivate *private;
- XColor *xpalette;
- gint i;
if (!colormap)
{
private->xcolormap = DefaultColormap (gdk_display, gdk_screen);
private->visual = gdk_visual_get_system ();
private->private_val = FALSE;
- private->next_color = 0;
private->ref_count = 1;
+ private->hash = NULL;
+ private->last_sync_time = 0;
+ private->info = NULL;
+
+ colormap->colors = NULL;
colormap->size = private->visual->colormap_size;
- colormap->colors = g_new (GdkColor, colormap->size);
if ((private->visual->type == GDK_VISUAL_GRAYSCALE) ||
(private->visual->type == GDK_VISUAL_PSEUDO_COLOR))
{
- xpalette = g_new (XColor, colormap->size);
-
- for (i = 0; i < colormap->size; i++)
- {
- xpalette[i].pixel = i;
- xpalette[i].red = 0;
- xpalette[i].green = 0;
- xpalette[i].blue = 0;
- }
+ private->info = g_new0 (GdkColorInfo, colormap->size);
+ colormap->colors = g_new (GdkColor, colormap->size);
- XQueryColors (gdk_display, private->xcolormap, xpalette,
- colormap->size);
-
- for (i = 0; i < colormap->size; i++)
- {
- colormap->colors[i].pixel = xpalette[i].pixel;
- colormap->colors[i].red = xpalette[i].red;
- colormap->colors[i].green = xpalette[i].green;
- colormap->colors[i].blue = xpalette[i].blue;
- }
+ private->hash = g_hash_table_new ((GHashFunc) gdk_color_hash,
+ (GCompareFunc) gdk_color_equal);
- g_free (xpalette);
+ gdk_colormap_sync (colormap, TRUE);
}
gdk_colormap_add (colormap);
}
XStoreColors (private->xdisplay, private->xcolormap, palette, ncolors);
- private->next_color = MAX (private->next_color, ncolors);
break;
case GDK_VISUAL_DIRECT_COLOR:
{
GdkColormapPrivate *private;
gint return_val;
+ gint i;
g_return_val_if_fail (colormap != NULL, 0);
return_val = XAllocColorCells (private->xdisplay, private->xcolormap,
contiguous, planes, nplanes, pixels, npixels);
- return return_val;
-}
-
-void
-gdk_colors_free (GdkColormap *colormap,
- gulong *pixels,
- gint npixels,
- gulong planes)
-{
- GdkColormapPrivate *private;
-
- g_return_if_fail (colormap != NULL);
-
- private = (GdkColormapPrivate*) colormap;
+ if (return_val)
+ {
+ for (i=0; i<npixels; i++)
+ {
+ private->info[pixels[i]].ref_count++;
+ private->info[pixels[i]].flags |= GDK_COLOR_WRITEABLE;
+ }
+ }
- XFreeColors (private->xdisplay, private->xcolormap,
- pixels, npixels, planes);
+ return return_val != 0;
}
/*
g_mem_chunk_free (color_chunk, color);
}
-gint
+gboolean
gdk_color_white (GdkColormap *colormap,
GdkColor *color)
{
return return_val;
}
-gint
+gboolean
gdk_color_black (GdkColormap *colormap,
GdkColor *color)
{
return return_val;
}
-gboolean
-gdk_color_alloc (GdkColormap *colormap,
- GdkColor *color)
+/* This is almost identical to gdk_colormap_free_colors.
+ * Keep them in sync!
+ */
+void
+gdk_colors_free (GdkColormap *colormap,
+ gulong *in_pixels,
+ gint in_npixels,
+ gulong planes)
+{
+ GdkColormapPrivate *private;
+ gulong *pixels;
+ gint npixels = 0;
+ gint i;
+
+ g_return_if_fail (colormap != NULL);
+ g_return_if_fail (in_pixels != NULL);
+
+ private = (GdkColormapPrivate*) colormap;
+
+ if ((private->visual->type != GDK_VISUAL_PSEUDO_COLOR) &&
+ (private->visual->type != GDK_VISUAL_GRAYSCALE))
+ return;
+
+ pixels = g_new (gulong, in_npixels);
+
+ for (i=0; i<in_npixels; i++)
+ {
+ gulong pixel = in_pixels[i];
+
+ if (private->info[pixel].ref_count)
+ {
+ private->info[pixel].ref_count--;
+
+ if (private->info[pixel].ref_count == 0)
+ {
+ pixels[npixels++] = pixel;
+ if (!(private->info[pixel].flags & GDK_COLOR_WRITEABLE))
+ g_hash_table_remove (private->hash, &colormap->colors[pixel]);
+ private->info[pixel].flags = 0;
+ }
+ }
+ }
+
+ if (npixels)
+ XFreeColors (private->xdisplay, private->xcolormap,
+ pixels, npixels, planes);
+ g_free (pixels);
+}
+
+/* This is almost identical to gdk_colors_free.
+ * Keep them in sync!
+ */
+void
+gdk_colormap_free_colors (GdkColormap *colormap,
+ GdkColor *colors,
+ gint ncolors)
+{
+ GdkColormapPrivate *private;
+ gulong *pixels;
+ gint npixels = 0;
+ gint i;
+
+ g_return_if_fail (colormap != NULL);
+ g_return_if_fail (colors != NULL);
+
+ private = (GdkColormapPrivate*) colormap;
+
+ if ((private->visual->type != GDK_VISUAL_PSEUDO_COLOR) &&
+ (private->visual->type != GDK_VISUAL_GRAYSCALE))
+ return;
+
+ pixels = g_new (gulong, ncolors);
+
+ 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)
+ {
+ pixels[npixels++] = pixel;
+ if (!(private->info[pixel].flags & GDK_COLOR_WRITEABLE))
+ g_hash_table_remove (private->hash, &colormap->colors[pixel]);
+ private->info[pixel].flags = 0;
+ }
+ }
+ }
+
+ if (npixels)
+ XFreeColors (private->xdisplay, private->xcolormap,
+ pixels, npixels, 0);
+
+ g_free (pixels);
+}
+
+/********************
+ * 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)
{
GdkColormapPrivate *private;
- GdkVisual *visual;
XColor xcolor;
- gchar *available = NULL;
- gboolean return_val;
- gint i, index;
- g_return_val_if_fail (colormap != NULL, FALSE);
- g_return_val_if_fail (color != NULL, FALSE);
+ private = (GdkColormapPrivate*) colormap;
xcolor.red = color->red;
xcolor.green = color->green;
xcolor.pixel = color->pixel;
xcolor.flags = DoRed | DoGreen | DoBlue;
- return_val = FALSE;
+ if (XAllocColor (private->xdisplay, private->xcolormap, &xcolor))
+ {
+ ret->pixel = xcolor.pixel;
+ ret->red = xcolor.red;
+ ret->green = xcolor.green;
+ ret->blue = xcolor.blue;
+
+ if (ret->pixel < colormap->size)
+ {
+ if (private->info[ret->pixel].ref_count) /* got a duplicate */
+ {
+ XFreeColors (private->xdisplay, private->xcolormap,
+ &ret->pixel, 1, 0);
+ }
+ else
+ {
+ colormap->colors[ret->pixel] = *color;
+ colormap->colors[ret->pixel].pixel = ret->pixel;
+ private->info[ret->pixel].ref_count = 1;
+
+ g_hash_table_insert (private->hash,
+ &colormap->colors[ret->pixel],
+ &colormap->colors[ret->pixel]);
+ }
+ }
+ return TRUE;
+ }
+ else
+ {
+ return FALSE;
+ }
+}
+
+static gint
+gdk_colormap_alloc_colors_writeable (GdkColormap *colormap,
+ GdkColor *colors,
+ gint ncolors,
+ gboolean writeable,
+ gboolean best_match,
+ gboolean *success)
+{
+ GdkColormapPrivate *private;
+ gulong *pixels;
+ Status status;
+ gint i, index;
+
private = (GdkColormapPrivate*) colormap;
- switch (private->visual->type)
+ if (private->private_val)
{
- case GDK_VISUAL_GRAYSCALE:
- case GDK_VISUAL_PSEUDO_COLOR:
- if (private->private_val)
+ index = 0;
+ for (i=0; i<ncolors; i++)
{
- if (private->next_color >= colormap->size)
+ while ((index < colormap->size) && (private->info[index].ref_count != 0))
+ index++;
+
+ if (index < colormap->size)
{
- available = g_new (gchar, colormap->size);
- for (i = 0; i < colormap->size; i++)
- available[i] = TRUE;
-
- index = gdk_colormap_match_color (colormap, color, available);
- if (index != -1)
- {
- available[index] = FALSE;
- *color = colormap->colors[index];
- return_val = TRUE;
- }
- else
- {
- return_val = FALSE;
- }
+ colors[i].pixel = index;
+ success[i] = TRUE;
+ private->info[index].ref_count++;
+ private->info[i].flags |= GDK_COLOR_WRITEABLE;
}
else
+ break;
+ }
+ return i;
+ }
+ else
+ {
+ pixels = g_new (gulong, ncolors);
+ /* Allocation of a writeable color cells */
+
+ status = XAllocColorCells (private->xdisplay, private->xcolormap,
+ FALSE, NULL, 0, pixels, ncolors);
+ if (status)
+ {
+ for (i=0; i<ncolors; i++)
{
- xcolor.pixel = colormap->size - 1 -private->next_color;
- color->pixel = xcolor.pixel;
- private->next_color += 1;
+ colors[i].pixel = pixels[i];
+ private->info[pixels[i]].ref_count++;
+ private->info[pixels[i]].flags |= GDK_COLOR_WRITEABLE;
+ }
+ }
+
+ g_free (pixels);
- XStoreColor (private->xdisplay, private->xcolormap, &xcolor);
- return_val = TRUE;
+ return status ? ncolors : 0;
+ }
+}
+
+static gint
+gdk_colormap_alloc_colors_private (GdkColormap *colormap,
+ GdkColor *colors,
+ gint ncolors,
+ gboolean writeable,
+ gboolean best_match,
+ gboolean *success)
+{
+ GdkColormapPrivate *private;
+ gint i, index;
+ XColor *store = g_new (XColor, ncolors);
+ gint nstore = 0;
+ gint nremaining = 0;
+
+ private = (GdkColormapPrivate*) colormap;
+ index = -1;
+
+ /* First, store the colors we have room for */
+
+ index = 0;
+ for (i=0; i<ncolors; i++)
+ {
+ if (!success[i])
+ {
+ while ((index < colormap->size) && (private->info[index].ref_count != 0))
+ index++;
+
+ if (index < colormap->size)
+ {
+ store[nstore].red = colors[i].red;
+ store[nstore].blue = colors[i].blue;
+ store[nstore].green = colors[i].green;
+ store[nstore].pixel = index;
+ nstore++;
+
+ success[i] = TRUE;
+
+ colors[i].pixel = index;
+ private->info[index].ref_count++;
}
+ else
+ nremaining++;
}
- else
+ }
+
+ XStoreColors (private->xdisplay, private->xcolormap, store, nstore);
+ g_free (store);
+
+ if (nremaining > 0 && best_match)
+ {
+ /* Get best matches for remaining colors */
+
+ gchar *available = g_new (gchar, colormap->size);
+ for (i = 0; i < colormap->size; i++)
+ available[i] = TRUE;
+
+ for (i=0; i<ncolors; i++)
{
- while (1)
+ if (!success[i])
{
- if (XAllocColor (private->xdisplay, private->xcolormap, &xcolor))
+ index = gdk_colormap_match_color (colormap,
+ &colors[i],
+ available);
+ if (index != -1)
{
- color->pixel = xcolor.pixel;
- color->red = xcolor.red;
- color->green = xcolor.green;
- color->blue = xcolor.blue;
-
- if (color->pixel < colormap->size)
- colormap->colors[color->pixel] = *color;
+ colors[i] = colormap->colors[index];
+ private->info[index].ref_count++;
- return_val = TRUE;
- break;
+ success[i] = TRUE;
+ nremaining--;
}
- else
- {
- if (available == NULL)
- {
- available = g_new (gchar, colormap->size);
- for (i = 0; i < colormap->size; i++)
- available[i] = TRUE;
- }
+ }
+ }
+ g_free (available);
+ }
+
+ return (ncolors - nremaining);
+}
- index = gdk_colormap_match_color (colormap, color, available);
+static gint
+gdk_colormap_alloc_colors_shared (GdkColormap *colormap,
+ GdkColor *colors,
+ gint ncolors,
+ gboolean writeable,
+ gboolean best_match,
+ gboolean *success)
+{
+ GdkColormapPrivate *private;
+ gint i, index;
+ gint nremaining = 0;
+ gint nfailed = 0;
+
+ private = (GdkColormapPrivate*) 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));
+ gdk_colormap_sync (colormap, FALSE);
+
+ while (nremaining > 0)
+ {
+ for (i=0; i<ncolors; i++)
+ {
+ if (!success[i])
+ {
+ index = gdk_colormap_match_color (colormap, &colors[i], available);
if (index != -1)
{
- available[index] = FALSE;
- xcolor.red = colormap->colors[index].red;
- xcolor.green = colormap->colors[index].green;
- xcolor.blue = colormap->colors[index].blue;
+ 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
{
- return_val = FALSE;
- break;
+ 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)
+{
+ GdkColormapPrivate *private;
+ GdkColor *lookup_color;
+ gint i;
+ gint nremaining = 0;
+
+ private = (GdkColormapPrivate*) 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)
+ {
+ if (private->private_val)
+ return gdk_colormap_alloc_colors_private (colormap, colors, ncolors, writeable, best_match, success);
+ else
+ 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)
+{
+ GdkColormapPrivate *private;
+ GdkVisual *visual;
+ gint i;
+ gint nremaining = 0;
+ XColor xcolor;
+
+ g_return_val_if_fail (colormap != NULL, FALSE);
+ g_return_val_if_fail (colors != NULL, FALSE);
+
+ private = (GdkColormapPrivate*) colormap;
+
+ for (i=0; i<ncolors; i++)
+ {
+ success[i] = FALSE;
+ }
+
+ switch (private->visual->type)
+ {
+ case GDK_VISUAL_PSEUDO_COLOR:
+ case GDK_VISUAL_GRAYSCALE:
+ if (writeable)
+ return gdk_colormap_alloc_colors_writeable (colormap, colors, ncolors,
+ writeable, best_match, success);
+ else
+ return gdk_colormap_alloc_colors_pseudocolor (colormap, colors, ncolors,
+ writeable, best_match, success);
break;
case GDK_VISUAL_DIRECT_COLOR:
+ case GDK_VISUAL_TRUE_COLOR:
visual = private->visual;
- xcolor.pixel = (((xcolor.red >> (16 - visual->red_prec)) << visual->red_shift) +
- ((xcolor.green >> (16 - visual->green_prec)) << visual->green_shift) +
- ((xcolor.blue >> (16 - visual->blue_prec)) << visual->blue_shift));
- color->pixel = xcolor.pixel;
- return_val = TRUE;
+
+ 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) +
+ ((colors[i].blue >> (16 - visual->blue_prec)) << visual->blue_shift));
+ success[i] = TRUE;
+ }
break;
case GDK_VISUAL_STATIC_GRAY:
case GDK_VISUAL_STATIC_COLOR:
- case GDK_VISUAL_TRUE_COLOR:
- if (XAllocColor (private->xdisplay, private->xcolormap, &xcolor))
+ for (i=0; i<ncolors; i++)
{
- color->pixel = xcolor.pixel;
- return_val = TRUE;
+ xcolor.red = colors[i].red;
+ xcolor.green = colors[i].green;
+ xcolor.blue = colors[i].blue;
+ xcolor.pixel = colors[i].pixel;
+ xcolor.flags = DoRed | DoGreen | DoBlue;
+
+ if (XAllocColor (private->xdisplay, private->xcolormap, &xcolor))
+ {
+ colors[i].pixel = xcolor.pixel;
+ success[i] = TRUE;
+ }
+ else
+ nremaining++;
}
- else
- return_val = FALSE;
break;
}
+ return nremaining;
+}
- if (available)
- g_free (available);
-
- return return_val;
+gboolean
+gdk_colormap_alloc_color (GdkColormap *colormap,
+ GdkColor *color,
+ gboolean writeable,
+ gboolean best_match)
+{
+ gboolean success;
+
+ gdk_colormap_alloc_colors (colormap, color, 1, writeable, best_match,
+ &success);
+
+ return success;
+}
+
+gboolean
+gdk_color_alloc (GdkColormap *colormap,
+ GdkColor *color)
+{
+ gboolean success;
+
+ gdk_colormap_alloc_colors (colormap, color, 1, FALSE, TRUE, &success);
+
+ return success;
}
gboolean
return TRUE;
}
+guint
+gdk_color_hash (const GdkColor *colora)
+{
+ return ((colora->red) +
+ (colora->green << 11) +
+ (colora->blue << 22) +
+ (colora->blue >> 6));
+}
+
gint
-gdk_color_equal (GdkColor *colora,
- GdkColor *colorb)
+gdk_color_equal (const GdkColor *colora,
+ const GdkColor *colorb)
{
g_return_val_if_fail (colora != NULL, FALSE);
g_return_val_if_fail (colorb != NULL, FALSE);
(colora->blue == colorb->blue));
}
+/* XXX: Do not use this function until it is fixed. An X Colormap
+ * is useless unless we also have the visual.
+ */
GdkColormap*
gdkx_colormap_get (Colormap xcolormap)
{
private->xcolormap = xcolormap;
private->visual = NULL;
private->private_val = TRUE;
- private->next_color = 0;
/* To do the following safely, we would have to have some way of finding
* out what the size or visual of the given colormap is. It seems
projects / ~andy / gtk / blobdiff