[gimp/soc-2012-unified-transformation: 12/12] implement flip horiz/vert context funcs

[Mikael Magnusson <mikachu src gnome org>]

commit 9d24970265e5aa5ebfae87f995f5c0e40aa14d62
Author: Mikael Magnusson <mikachu src gnome org>
Date:   Tue Aug 21 16:56:53 2012 +0200

    implement flip horiz/vert context funcs

 app/actions/unified-transform-tool-actions.c  |    5 +++++
 app/actions/unified-transform-tool-commands.c |   11 ++++++++++-
 app/actions/unified-transform-tool-commands.h |    2 ++
 app/tools/gimpunifiedtransformtool.c          |   13 ++++++++++++-
 app/tools/gimpunifiedtransformtool.h          |    2 +-
 menus/unified-transform-tool-menu.xml         |    1 +
 6 files changed, 31 insertions(+), 3 deletions(-)
---
diff --git a/app/actions/unified-transform-tool-actions.c b/app/actions/unified-transform-tool-actions.c
index a33bb94..56c9f4e 100644
--- a/app/actions/unified-transform-tool-actions.c
+++ b/app/actions/unified-transform-tool-actions.c
@@ -54,6 +54,11 @@ static const GimpActionEntry unified_transform_tool_actions[] =
     G_CALLBACK (unified_transform_tool_flip_horiz_callback),
     NULL },
 
+  { "unified-transform-tool-flip-vert", GTK_STOCK_CUT,
+    NC_("unified-transform-tool-action", "Flip Vertically"), NULL, NULL,
+    G_CALLBACK (unified_transform_tool_flip_vert_callback),
+    NULL },
+
   { "unified-transform-tool-summon-pivot", GTK_STOCK_COPY,
     NC_("unified-transform-tool-action", "Put pivot here"), NULL, NULL,
     G_CALLBACK (unified_transform_tool_summon_pivot_callback),
diff --git a/app/actions/unified-transform-tool-commands.c b/app/actions/unified-transform-tool-commands.c
index 400e439..dc83574 100644
--- a/app/actions/unified-transform-tool-commands.c
+++ b/app/actions/unified-transform-tool-commands.c
@@ -48,7 +48,16 @@ unified_transform_tool_flip_horiz_callback (GtkAction *action,
 {
   GimpTransformTool *tr_tool = GIMP_TRANSFORM_TOOL (data);
 
-  gimp_unified_transform_tool_flip_horiz (tr_tool);
+  gimp_unified_transform_tool_flip (tr_tool, FALSE);
+}
+
+void
+unified_transform_tool_flip_vert_callback (GtkAction *action,
+                                            gpointer   data)
+{
+  GimpTransformTool *tr_tool = GIMP_TRANSFORM_TOOL (data);
+
+  gimp_unified_transform_tool_flip (tr_tool, TRUE);
 }
 
 void
diff --git a/app/actions/unified-transform-tool-commands.h b/app/actions/unified-transform-tool-commands.h
index 5380795..f73a3bc 100644
--- a/app/actions/unified-transform-tool-commands.h
+++ b/app/actions/unified-transform-tool-commands.h
@@ -20,6 +20,8 @@
 
 void unified_transform_tool_flip_horiz_callback   (GtkAction *action,
                                                    gpointer   data);
+void unified_transform_tool_flip_vert_callback    (GtkAction *action,
+                                                   gpointer   data);
 void unified_transform_tool_summon_pivot_callback (GtkAction *action,
                                                    gpointer   data);
 
diff --git a/app/tools/gimpunifiedtransformtool.c b/app/tools/gimpunifiedtransformtool.c
index f42f0a5..d8bde43 100644
--- a/app/tools/gimpunifiedtransformtool.c
+++ b/app/tools/gimpunifiedtransformtool.c
@@ -1185,9 +1185,20 @@ gimp_unified_transform_tool_get_popup (GimpTool         *tool,
   return ut_tool->ui_manager;
 }
 
-void gimp_unified_transform_tool_flip_horiz (GimpTransformTool *tr_tool)
+void gimp_unified_transform_tool_flip (GimpTransformTool *tr_tool, gboolean vertical)
 {
   GimpUnifiedTransformTool *ut_tool = GIMP_UNIFIED_TRANSFORM_TOOL (tr_tool);
+  gint i;
+
+  gimp_draw_tool_pause (GIMP_DRAW_TOOL (tr_tool));
+
+  for (i = 0; i < 4; i++)
+    tr_tool->trans_info[X0+i*2+vertical] = 2 * tr_tool->trans_info[PIVOT_X+vertical] - tr_tool->trans_info[X0+i*2+vertical];
+
+  gimp_transform_tool_recalc_matrix (tr_tool);
+  gimp_transform_tool_push_internal_undo (tr_tool);
+
+  gimp_draw_tool_resume (GIMP_DRAW_TOOL (tr_tool));
 }
 
 void gimp_unified_transform_tool_summon_pivot (GimpTransformTool *tr_tool)
diff --git a/app/tools/gimpunifiedtransformtool.h b/app/tools/gimpunifiedtransformtool.h
index 6c7c180..c120003 100644
--- a/app/tools/gimpunifiedtransformtool.h
+++ b/app/tools/gimpunifiedtransformtool.h
@@ -54,7 +54,7 @@ void    gimp_unified_transform_tool_register (GimpToolRegisterCallback  callback
 
 GType   gimp_unified_transform_tool_get_type (void) G_GNUC_CONST;
 
-void gimp_unified_transform_tool_flip_horiz   (GimpTransformTool *tr_tool);
+void gimp_unified_transform_tool_flip         (GimpTransformTool *tr_tool, gboolean vertical);
 void gimp_unified_transform_tool_summon_pivot (GimpTransformTool *tr_tool);
 
 
diff --git a/menus/unified-transform-tool-menu.xml b/menus/unified-transform-tool-menu.xml
index 7d57fbf..7b8459f 100644
--- a/menus/unified-transform-tool-menu.xml
+++ b/menus/unified-transform-tool-menu.xml
@@ -4,6 +4,7 @@
 <ui>
   <popup action="unified-transform-tool-popup">
     <menuitem action="unified-transform-tool-flip-horiz" />
+    <menuitem action="unified-transform-tool-flip-vert" />
     <separator />
     <menuitem action="unified-transform-tool-summon-pivot" />
   </popup>