--- a/myframe.cpp	Sun Nov 27 20:15:37 2016 +0900
+++ b/myframe.cpp	Tue Jun 05 22:09:21 2018 +0900
@@ -1,5 +1,5 @@
 // Filename   : myframe.cpp
-// Last Change: 2016-11-27 Sun 20:08:02.
+// Last Change: 2018-06-05 Tue 22:08:14.
 //
 
 #include "myframe.h"
@@ -10,8 +10,7 @@
     : wxFrame( parent, id, title, pos, size, style )
 {
     this->SetIcon( wxIcon( wxT("sample") ) );
-	//this->SetSizeHints( wxSize( 450, 200 ), wxSize( 450, 200 ) );
-	this->SetSizeHints( wxSize( 550, 200 ), wxSize( 550, 200 ) );
+	this->SetSizeHints( wxSize( 700, 200 ), wxSize( 700, 200 ) );
 	this->SetBackgroundColour( *wxBLACK );
 	
 	wxBoxSizer* bSizerTop = new wxBoxSizer( wxVERTICAL );
@@ -63,23 +62,30 @@
 	m_staticTextSize->SetBackgroundColour( *wxBLACK );
 	bSizerConfig->Add( m_staticTextSize, 0, wxALL|wxALIGN_CENTER_VERTICAL, 5 );
 	
-	m_staticTextWidth = new wxStaticText( this, wxID_ANY, wxT("Width"), wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL );
+	m_staticTextWidth = new wxStaticText( this, wxID_ANY, wxT("Width"), wxDefaultPosition, wxDefaultSize, 0 );
 	m_staticTextWidth->SetForegroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_3DLIGHT ) );
 	m_staticTextWidth->SetBackgroundColour( *wxBLACK );
 	bSizerConfig->Add( m_staticTextWidth, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 	
-	m_textCtrlWidth = new wxTextCtrl( this, wxID_ANY, wxT("0"), wxDefaultPosition, wxSize( 40, -1 ), wxTE_CENTRE );
-	m_staticTextWidth->SetBackgroundColour( *wxBLACK );
+	m_textCtrlWidth = new wxTextCtrl( this, wxID_ANY, wxT("0"), wxDefaultPosition, wxSize( 50, -1 ), wxTE_RIGHT|wxTAB_TRAVERSAL );
 	bSizerConfig->Add( m_textCtrlWidth, 0, wxALL|wxALIGN_CENTER_VERTICAL, 5 );
 	
-	m_staticTextHeight = new wxStaticText( this, wxID_ANY, wxT("Height"), wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL );
+	m_staticTextHeight = new wxStaticText( this, wxID_ANY, wxT("Height"), wxDefaultPosition, wxDefaultSize, 0 );
 	m_staticTextHeight->SetForegroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_3DLIGHT ) );
 	m_staticTextHeight->SetBackgroundColour( *wxBLACK );
 	bSizerConfig->Add( m_staticTextHeight, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 	
-	m_textCtrlHeight = new wxTextCtrl( this, wxID_ANY, wxT("0"), wxDefaultPosition, wxSize( 50, -1 ), wxTE_CENTRE );
+	m_textCtrlHeight = new wxTextCtrl( this, wxID_ANY, wxT("0"), wxDefaultPosition, wxSize( 50, -1 ), wxTE_RIGHT|wxTAB_TRAVERSAL );
 	bSizerConfig->Add( m_textCtrlHeight, 0, wxALL|wxALIGN_CENTER_VERTICAL, 5 );
-	
+
+	m_staticTextPercent = new wxStaticText( this, wxID_ANY, wxT("Percent"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_staticTextPercent->SetForegroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_3DLIGHT ) );
+	m_staticTextPercent->SetBackgroundColour( *wxBLACK );
+	bSizerConfig->Add( m_staticTextPercent, 0, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
+
+	m_textCtrlPercent = new wxTextCtrl( this, wxID_ANY, wxT("100"), wxDefaultPosition, wxSize( 40, -1 ), wxTE_RIGHT|wxTAB_TRAVERSAL );
+	bSizerConfig->Add( m_textCtrlPercent, 0, wxALL|wxALIGN_CENTER_VERTICAL, 5 );
+
 	bSizerTop->Add( bSizerConfig, 1, wxEXPAND, 5 );
 	
     // Output
@@ -147,7 +153,10 @@
     buf = m_textCtrlHeight->GetValue();
     buf.ToLong( &h, 10 );
 
-    if ( choice_type == 0 && w == 0 && h == 0 ) {
+    buf = m_textCtrlPercent->GetValue();
+    buf.ToLong( &s, 10 );
+
+    if ( choice_type == 0 && w == 0 && h == 0 && s == 100 ) {
         WarnMessage( wxT("no change !") );
         return;
     }
@@ -240,9 +249,14 @@
     }
 
     wxImage image( file, in_type );
-    if ( w == 0 || h == 0 ) {
-        w = (long)(image.GetWidth());
-        h = (long)(image.GetHeight());
+    if ( s == 100 ) {
+        if ( w == 0 || h == 0 ) {
+            w = (long)(image.GetWidth());
+            h = (long)(image.GetHeight());
+        }
+    } else {
+        w = (long)(image.GetWidth()  * s / 100 );
+        h = (long)(image.GetHeight() * s / 100 );
     }
     wxImage output = image.Scale( (int)w, (int)h, wxIMAGE_QUALITY_HIGH );
     wxString outfile = out_dir + wxFILE_SEP_PATH + name + wxT(".") + ext;
@@ -330,9 +344,14 @@
         if ( !tf.Exists() ) tf.Mkdir( wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL );
 
         wxImage image( files[i], in_type );
-        if ( w == 0 || h == 0 ) {
-            w = (long)(image.GetWidth());
-            h = (long)(image.GetHeight());
+        if ( s == 100 ) {
+            if ( w == 0 || h == 0 ) {
+                w = (long)(image.GetWidth());
+                h = (long)(image.GetHeight());
+            }
+        } else {
+            w = (long)(image.GetWidth()  * s / 100 );
+            h = (long)(image.GetHeight() * s / 100 );
         }
         wxImage output = image.Scale( (int)w, (int)h, wxIMAGE_QUALITY_HIGH );
         output.SaveFile( fullpath, out_type );