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Add gimp_rectangle_union()
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@ -86,6 +86,7 @@ EXPORTS
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gimp_plug_in_directory
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gimp_progress_command_get_type
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gimp_rectangle_intersect
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gimp_rectangle_union
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gimp_repeat_mode_get_type
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gimp_run_mode_get_type
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gimp_signal_private
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@ -45,7 +45,7 @@
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* Return value: %TRUE if the intersection is non-empty, %FALSE otherwise
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*
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* Since: GIMP 2.4
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*/
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**/
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gboolean
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gimp_rectangle_intersect (gint x1,
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gint y1,
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@ -75,3 +75,50 @@ gimp_rectangle_intersect (gint x1,
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return (d_w > 0 && d_h > 0);
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}
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/**
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* gimp_rectangle_union:
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* @x1: origin of first rectangle
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* @y1: origin of first rectangle
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* @width1: width of first rectangle
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* @height1: height of first rectangle
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* @x2: origin of second rectangle
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* @y2: origin of second rectangle
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* @width2: width of second rectangle
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* @height2: height of second rectangle
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* @dest_x: return location for origin of union (may be %NULL)
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* @dest_y: return location for origin of union (may be %NULL)
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* @dest_width: return location for width of union (may be %NULL)
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* @dest_height: return location for height of union (may be %NULL)
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*
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* Calculates the union of two rectangles.
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*
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* Since: GIMP 2.8
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**/
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void
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gimp_rectangle_union (gint x1,
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gint y1,
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gint width1,
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gint height1,
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gint x2,
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gint y2,
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gint width2,
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gint height2,
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gint *dest_x,
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gint *dest_y,
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gint *dest_width,
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gint *dest_height)
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{
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gint d_x, d_y;
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gint d_w, d_h;
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d_x = MIN (x1, x2);
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d_y = MIN (y1, y2);
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d_w = MAX (x1 + width1, x2 + width2) - d_x;
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d_h = MAX (y1 + height1, y2 + height2) - d_y;
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if (dest_x) *dest_x = d_x;
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if (dest_y) *dest_y = d_y;
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if (dest_width) *dest_width = d_w;
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if (dest_height) *dest_height = d_h;
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}
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@ -37,6 +37,19 @@ gboolean gimp_rectangle_intersect (gint x1,
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gint *dest_width,
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gint *dest_height);
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void gimp_rectangle_union (gint x1,
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gint y1,
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gint width1,
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gint height1,
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gint x2,
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gint y2,
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gint width2,
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gint height2,
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gint *dest_x,
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gint *dest_y,
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gint *dest_width,
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gint *dest_height);
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G_END_DECLS
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