Seal gdk

[~andy/gtk] / gdk / gdkvisual.c

diff --git a/gdk/gdkvisual.c b/gdk/gdkvisual.c
index 9e75563c285f4b0831dd65f93a20cd16cdc13c8a..ce1bdd7eb306f692294ed4f3fe50f952b150e657 100644 (file)
--- a/gdk/gdkvisual.c
+++ b/gdk/gdkvisual.c
@@ -60,5 +60,194 @@ gdk_visual_get_system (void)
   return gdk_screen_get_system_visual (gdk_screen_get_default());
 }
 
+/**
+ * gdk_visual_get_visual_type:
+ * @visual: A #GdkVisual.
+ *
+ * Returns the type of visual this is (PseudoColor, TrueColor, etc).
+ *
+ * Return value: A #GdkVisualType stating the type of @visual.
+ *
+ * Since: 2.22
+ */
+GdkVisualType
+gdk_visual_get_visual_type (GdkVisual *visual)
+{
+  g_return_val_if_fail (GDK_IS_VISUAL (visual), 0);
+
+  return visual->type;
+}
+
+/**
+ * gdk_visual_get_depth:
+ * @visual: A #GdkVisual.
+ *
+ * Returns the bit depth of this visual.
+ *
+ * Return value: The bit depth of this visual.
+ *
+ * Since: 2.22
+ */
+gint
+gdk_visual_get_depth (GdkVisual *visual)
+{
+  g_return_val_if_fail (GDK_IS_VISUAL (visual), 0);
+
+  return visual->depth;
+}
+
+/**
+ * gdk_visual_get_byte_order:
+ * @visual: A #GdkVisual.
+ *
+ * Returns the byte order of this visual.
+ *
+ * Return value: A #GdkByteOrder stating the byte order of @visual.
+ *
+ * Since: 2.22
+ */
+GdkByteOrder
+gdk_visual_get_byte_order (GdkVisual *visual)
+{
+  g_return_val_if_fail (GDK_IS_VISUAL (visual), 0);
+
+  return visual->byte_order;
+}
+
+/**
+ * gdk_visual_get_colormap_size:
+ * @visual: A #GdkVisual.
+ *
+ * Returns the size of a colormap for this visual.
+ *
+ * Return value: The size of a colormap that is suitable for @visual.
+ *
+ * Since: 2.22
+ */
+gint
+gdk_visual_get_colormap_size (GdkVisual *visual)
+{
+  g_return_val_if_fail (GDK_IS_VISUAL (visual), 0);
+
+  return visual->colormap_size;
+}
+
+/**
+ * gdk_visual_get_bits_per_rgb:
+ * @visual: a #GdkVisual
+ *
+ * Returns the number of significant bits per red, green and blue value.
+ *
+ * Return value: The number of significant bits per color value for @visual.
+ *
+ * Since: 2.22
+ */
+gint
+gdk_visual_get_bits_per_rgb (GdkVisual *visual)
+{
+  g_return_val_if_fail (GDK_IS_VISUAL (visual), 0);
+
+  return visual->bits_per_rgb;
+}
+
+/**
+ * gdk_visual_get_red_pixel_details:
+ * @visual: A #GdkVisual.
+ * @mask: (out) (allow-none): A pointer to a #guint32 to be filled in, or %NULL.
+ * @shift: (out) (allow-none): A pointer to a #gint to be filled in, or %NULL.
+ * @precision: (out) (allow-none): A pointer to a #gint to be filled in, or %NULL.
+ *
+ * Obtains values that are needed to calculate red pixel values in TrueColor
+ * and DirectColor.  The "mask" is the significant bits within the pixel.
+ * The "shift" is the number of bits left we must shift a primary for it
+ * to be in position (according to the "mask").  Finally, "precision" refers
+ * to how much precision the pixel value contains for a particular primary.
+ *
+ * Since: 2.22
+ */
+void
+gdk_visual_get_red_pixel_details (GdkVisual *visual,
+                                  guint32   *mask,
+                                  gint      *shift,
+                                  gint      *precision)
+{
+  g_return_if_fail (GDK_IS_VISUAL (visual));
+
+  if (mask)
+    *mask = visual->red_mask;
+
+  if (shift)
+    *shift = visual->red_shift;
+
+  if (precision)
+    *precision = visual->red_prec;
+}
+
+/**
+ * gdk_visual_get_green_pixel_details:
+ * @visual: a #GdkVisual
+ * @mask: (out) (allow-none): A pointer to a #guint32 to be filled in, or %NULL.
+ * @shift: (out) (allow-none): A pointer to a #gint to be filled in, or %NULL.
+ * @precision: (out) (allow-none): A pointer to a #gint to be filled in, or %NULL.
+ *
+ * Obtains values that are needed to calculate green pixel values in TrueColor
+ * and DirectColor.  The "mask" is the significant bits within the pixel.
+ * The "shift" is the number of bits left we must shift a primary for it
+ * to be in position (according to the "mask").  Finally, "precision" refers
+ * to how much precision the pixel value contains for a particular primary.
+ *
+ * Since: 2.22
+ */
+void
+gdk_visual_get_green_pixel_details (GdkVisual *visual,
+                                    guint32   *mask,
+                                    gint      *shift,
+                                    gint      *precision)
+{
+  g_return_if_fail (GDK_IS_VISUAL (visual));
+
+  if (mask)
+    *mask = visual->green_mask;
+
+  if (shift)
+    *shift = visual->green_shift;
+
+  if (precision)
+    *precision = visual->green_prec;
+}
+
+/**
+ * gdk_visual_get_blue_pixel_details:
+ * @visual: a #GdkVisual
+ * @mask: (out) (allow-none): A pointer to a #guint32 to be filled in, or %NULL.
+ * @shift: (out) (allow-none): A pointer to a #gint to be filled in, or %NULL.
+ * @precision: (out) (allow-none): A pointer to a #gint to be filled in, or %NULL.
+ *
+ * Obtains values that are needed to calculate blue pixel values in TrueColor
+ * and DirectColor.  The "mask" is the significant bits within the pixel.
+ * The "shift" is the number of bits left we must shift a primary for it
+ * to be in position (according to the "mask").  Finally, "precision" refers
+ * to how much precision the pixel value contains for a particular primary.
+ *
+ * Since: 2.22
+ */
+void
+gdk_visual_get_blue_pixel_details (GdkVisual *visual,
+                                   guint32   *mask,
+                                   gint      *shift,
+                                   gint      *precision)
+{
+  g_return_if_fail (GDK_IS_VISUAL (visual));
+
+  if (mask)
+    *mask = visual->blue_mask;
+
+  if (shift)
+    *shift = visual->blue_shift;
+
+  if (precision)
+    *precision = visual->blue_prec;
+}
+
 #define __GDK_VISUAL_C__
 #include "gdkaliasdef.c"