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Don't leak image. Simplify using gdk_colormap_query_color().

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2001-01-23    <alexl@redhat.com>

	* gtk/gtkcolorsel.c (grab_color_at_mouse):
	Don't leak image. Simplify using gdk_colormap_query_color().
	(gtk_color_selection_init): Don't leak dropper_pixmap and mask.

	* linux-fb/gdkcolor-fb.c:
	Implemented gdk_colormap_query_color.
This commit is contained in:
3
2001-01-23 15:28:18 +00:00
committed by Alexander Larsson
parent c181cd8efc
commit bedaf31f28
2 changed files with 45 additions and 36 deletions
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34
gdk/linux-fb/gdkcolor-fb.c
View File

@ -916,3 +916,37 @@ gdk_colors_free (GdkColormap *colormap,
}
}
}
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. * (double)((pixel & visual->red_mask) >> visual->red_shift) / ((1 << visual->red_prec) - 1);
result->green = 65535. * (double)((pixel & visual->green_mask) >> visual->green_shift) / ((1 << visual->green_prec) - 1);
result->blue = 65535. * (double)((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;
}
}

47
gtk/gtkcolorsel.c
View File

@ -867,51 +867,22 @@ grab_color_at_mouse (GtkWidget *button,
{
GdkImage *image;
guint32 pixel;
GdkVisual *visual;
GtkColorSelection *colorsel = data;
ColorSelectionPrivate *priv;
GdkColormap *colormap = gdk_colormap_get_system ();
#if defined (GDK_WINDOWING_X11)
XColor xcolor;
#endif
GdkColor color;
priv = colorsel->private_data;
image = gdk_image_get (GDK_ROOT_PARENT (), x_root, y_root, 1, 1);
pixel = gdk_image_get_pixel (image, 0, 0);
visual = gdk_colormap_get_visual (colormap);
gdk_image_unref (image);
gdk_colormap_query_color (colormap, pixel, &color);
switch (visual->type) {
case GDK_VISUAL_DIRECT_COLOR:
case GDK_VISUAL_TRUE_COLOR:
priv->color[COLORSEL_RED] = (double)((pixel & visual->red_mask)>>visual->red_shift)/((1<<visual->red_prec) - 1);
priv->color[COLORSEL_GREEN] = (double)((pixel & visual->green_mask)>>visual->green_shift)/((1<<visual->green_prec) - 1);
priv->color[COLORSEL_BLUE] = (double)((pixel & visual->blue_mask)>>visual->blue_shift)/((1<<visual->blue_prec) - 1);
break;
case GDK_VISUAL_STATIC_GRAY:
case GDK_VISUAL_GRAYSCALE:
priv->color[COLORSEL_RED] = (double)pixel/((1<<visual->depth) - 1);
priv->color[COLORSEL_GREEN] = (double)pixel/((1<<visual->depth) - 1);
priv->color[COLORSEL_BLUE] = (double)pixel/((1<<visual->depth) - 1);
break;
#if defined (GDK_WINDOWING_X11)
case GDK_VISUAL_STATIC_COLOR:
xcolor.pixel = pixel;
XQueryColor (GDK_DISPLAY (), GDK_COLORMAP_XCOLORMAP (colormap), &xcolor);
priv->color[COLORSEL_RED] = xcolor.red/65535.0;
priv->color[COLORSEL_GREEN] = xcolor.green/65535.0;
priv->color[COLORSEL_BLUE] = xcolor.blue/65535.0;
break;
#endif
case GDK_VISUAL_PSEUDO_COLOR:
priv->color[COLORSEL_RED] = colormap->colors[pixel].red/(double)0xffffff;
priv->color[COLORSEL_GREEN] = colormap->colors[pixel].green/(double)0xffffff;
priv->color[COLORSEL_BLUE] = colormap->colors[pixel].blue/(double)0xffffff;
break;
default:
g_assert_not_reached ();
break;
}
priv->color[COLORSEL_RED] = (double)color.red / 65535.0;
priv->color[COLORSEL_GREEN] = (double)color.green / 65535.0;
priv->color[COLORSEL_BLUE] = (double)color.blue / 65535.0;
gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
priv->color[COLORSEL_GREEN],
@ -919,6 +890,7 @@ grab_color_at_mouse (GtkWidget *button,
&priv->color[COLORSEL_HUE],
&priv->color[COLORSEL_SATURATION],
&priv->color[COLORSEL_VALUE]);
update_color (colorsel);
}
@ -1397,6 +1369,9 @@ gtk_color_selection_init (GtkColorSelection *colorsel)
gtk_signal_connect (GTK_OBJECT (button), "clicked", get_screen_color, NULL);
dropper_pixmap = gdk_pixmap_colormap_create_from_xpm_d (NULL, gtk_widget_get_colormap (button), &mask, NULL, picker);
dropper_image = gtk_pixmap_new (dropper_pixmap, mask);
gdk_pixmap_unref (dropper_pixmap);
if (mask)
gdk_pixmap_unref (mask);
gtk_container_add (GTK_CONTAINER (button), dropper_image);
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);