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added utility function gimp_rgb_get_gdk_color(), documented

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2003-06-10  Sven Neumann  <sven@gimp.org>

	* app/widgets/gimpwidgets-utils.[ch]: added utility function
	gimp_rgb_get_gdk_color(), documented gimp_get_screen_resolution().

	* app/widgets/gimppreviewrenderer.c
	(gimp_preview_renderer_set_border_color)
	* app/display/gimpdisplayshell-appearance.c
	(gimp_display_shell_set_padding): use the new function.
This commit is contained in:
Sven Neumann
2003-06-10 16:44:44 +00:00
committed by Sven Neumann
parent 55eea34f1c
commit addba61b08
6 changed files with 56 additions and 31 deletions
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37
app/widgets/gimpwidgets-utils.c
View File

@ -26,6 +26,7 @@
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
@ -407,6 +408,7 @@ gimp_get_mod_name_alt (void)
return (const gchar *) mod_name_alt;
}
const gchar *
gimp_get_mod_separator (void)
{
@ -424,6 +426,15 @@ gimp_get_mod_separator (void)
return (const gchar *) mod_separator;
}
/**
* gimp_get_screen_resolution:
* @screen: a #GdkScreen or %NULL
* @xres: returns the horizontal screen resolution (in dpi)
* @yres: returns the vertical screen resolution (in dpi)
*
* Retrieves the screen resolution from GDK. If @screen is %NULL, the
* default screen is used.
**/
void
gimp_get_screen_resolution (GdkScreen *screen,
gdouble *xres,
@ -477,3 +488,29 @@ gimp_get_screen_resolution (GdkScreen *screen,
*xres = ROUND (x);
*yres = ROUND (y);
}
/**
* gimp_rgb_get_gdk_color:
* @color: the source color as #GimpRGB
* @gdk_color: pointer to a #GdkColor
*
* Initializes @gdk_color from a #GimpRGB. This function does not
* allocate the color for you. Depending on how you want to use it,
* you may have to call gdk_colormap_alloc_color().
**/
void
gimp_rgb_get_gdk_color (const GimpRGB *color,
GdkColor *gdk_color)
{
guchar r, g, b;
g_return_if_fail (color != NULL);
g_return_if_fail (gdk_color != NULL);
gimp_rgb_get_uchar (color, &r, &g, &b);
gdk_color->red = (r << 8) | r;
gdk_color->green = (g << 8) | g;
gdk_color->blue = (b << 8) | b;
}