From 447bb98480fbb770211c0cf2a2efac68185e5705 Mon Sep 17 00:00:00 2001
From: Baranovskiy Konstantin <baranovskiykonstantin@gmail.com>
Date: Mon, 23 Dec 2013 11:25:13 -0500
Subject: [PATCH] Fix worksheet multiple line text plotting bug. (fixes
 lp:1261906)

---
 common/common_plot_functions.cpp |  3 +-
 common/drawtxt.cpp               | 55 +++++++++++++++++++++++++++-----
 include/plot_common.h            |  3 +-
 3 files changed, 51 insertions(+), 10 deletions(-)

diff --git a/common/common_plot_functions.cpp b/common/common_plot_functions.cpp
index 1a7312756b..3d10d81223 100644
--- a/common/common_plot_functions.cpp
+++ b/common/common_plot_functions.cpp
@@ -133,7 +133,8 @@ void PlotWorkSheet( PLOTTER* plotter, const TITLE_BLOCK& aTitleBlock,
                                text->GetSize(),
                                text->GetHorizJustify(), text->GetVertJustify(),
                                text->GetPenWidth(),
-                               text->IsItalic(), text->IsBold() );
+                               text->IsItalic(), text->IsBold(),
+                               text->IsMultilineAllowed() );
             }
             break;
 
diff --git a/common/drawtxt.cpp b/common/drawtxt.cpp
index 5fe1d5f768..29286be5b4 100644
--- a/common/drawtxt.cpp
+++ b/common/drawtxt.cpp
@@ -602,6 +602,7 @@ void DrawGraphicHaloText( EDA_RECT* aClipBox, wxDC * aDC,
  *      Use a value min(aSize.x, aSize.y) / 5 for a bold text
  *  @param aItalic = true to simulate an italic font
  *  @param aBold = true to use a bold font Useful only with default width value (aWidth = 0)
+ *  @param aMultilineAllowed = true to plot text as multiline, otherwise single line
  */
 void PLOTTER::Text( const wxPoint&              aPos,
                     enum EDA_COLOR_T            aColor,
@@ -612,7 +613,8 @@ void PLOTTER::Text( const wxPoint&              aPos,
                     enum EDA_TEXT_VJUSTIFY_T    aV_justify,
                     int                         aWidth,
                     bool                        aItalic,
-                    bool                        aBold )
+                    bool                        aBold,
+                    bool                        aMultilineAllowed )
 {
     int textPensize = aWidth;
 
@@ -630,13 +632,50 @@ void PLOTTER::Text( const wxPoint&              aPos,
     if( aColor >= 0 )
         SetColor( aColor );
 
-    DrawGraphicText( NULL, NULL, aPos, aColor, aText,
-                     aOrient, aSize,
-                     aH_justify, aV_justify,
-                     textPensize, aItalic,
-                     aBold,
-                     NULL,
-                     this );
+    if( aMultilineAllowed )
+    {
+        // EDA_TEXT needs for calculations of the position of every
+        // line according to orientation and justifications
+        EDA_TEXT* multilineText = new EDA_TEXT( aText );
+        multilineText->SetSize( aSize );
+        multilineText->SetTextPosition( aPos );
+        multilineText->SetOrientation( aOrient );
+        multilineText->SetHorizJustify( aH_justify );
+        multilineText->SetVertJustify( aV_justify );
+        multilineText->SetThickness( aWidth );
+        multilineText->SetMultilineAllowed( aMultilineAllowed );
+
+        std::vector<wxPoint> positions;
+        wxArrayString* list = wxStringSplit( aText, '\n' );
+        positions.reserve( list->Count() );
+
+        multilineText->GetPositionsOfLinesOfMultilineText(
+                positions, list->Count() );
+
+        for( unsigned ii = 0; ii < list->Count(); ii++ )
+        {
+            wxString& txt = list->Item( ii );
+            DrawGraphicText( NULL, NULL, positions[ii], aColor, txt,
+                             aOrient, aSize,
+                             aH_justify, aV_justify,
+                             textPensize, aItalic,
+                             aBold,
+                             NULL,
+                             this );
+        }
+        delete multilineText;
+        delete list;
+    }
+    else
+    {
+        DrawGraphicText( NULL, NULL, aPos, aColor, aText,
+                         aOrient, aSize,
+                         aH_justify, aV_justify,
+                         textPensize, aItalic,
+                         aBold,
+                         NULL,
+                         this );
+    }
 
     if( aWidth != textPensize )
         SetCurrentLineWidth( aWidth );
diff --git a/include/plot_common.h b/include/plot_common.h
index 1dff640eb4..f59a2fbd82 100644
--- a/include/plot_common.h
+++ b/include/plot_common.h
@@ -253,7 +253,8 @@ public:
                        enum EDA_TEXT_VJUSTIFY_T    aV_justify,
                        int                         aWidth,
                        bool                        aItalic,
-                       bool                        aBold );
+                       bool                        aBold,
+                       bool                        aMultilineAllowed = false );
 
     /**
      * Draw a marker (used for the drill map)