Renames the main fpvectorial example and adds a routine to detect the format from the extension.

git-svn-id: trunk@15826 -

.gitattributes

@@ -2373,11 +2373,11 @@ packages/fpmkunit/fpmake.pp svneol=native#text/plain
 packages/fpmkunit/src/fpmkunit.pp svneol=native#text/plain
 packages/fpvectorial/Makefile svneol=native#text/plain
 packages/fpvectorial/Makefile.fpc svneol=native#text/plain
-packages/fpvectorial/examples/cdr2svg_mainform.lfm svneol=native#text/plain
-packages/fpvectorial/examples/cdr2svg_mainform.pas svneol=native#text/plain
-packages/fpvectorial/examples/cdr2svg_visual.ico -text
-packages/fpvectorial/examples/cdr2svg_visual.lpi svneol=native#text/plain
-packages/fpvectorial/examples/cdr2svg_visual.lpr svneol=native#text/plain
+packages/fpvectorial/examples/fpvc_mainform.lfm svneol=native#text/plain
+packages/fpvectorial/examples/fpvc_mainform.pas svneol=native#text/plain
+packages/fpvectorial/examples/fpvectorialconverter.ico -text
+packages/fpvectorial/examples/fpvectorialconverter.lpi svneol=native#text/plain
+packages/fpvectorial/examples/fpvectorialconverter.lpr svneol=native#text/plain
 packages/fpvectorial/fpmake.pp svneol=native#text/plain
 packages/fpvectorial/src/avisocncgcodereader.pas svneol=native#text/plain
 packages/fpvectorial/src/avisocncgcodewriter.pas svneol=native#text/plain

packages/fpvectorial/examples/fpvc_mainform.lfm

@@ -1,35 +1,35 @@
-object formCDR2SVG: TformCDR2SVG
+object formVectorialConverter: TformVectorialConverter
   Left = 216
   Height = 439
   Top = 192
   Width = 240
   BorderStyle = bsSingle
-  Caption = 'cdr2svg'
+  Caption = 'FP Vectorial Converter'
   ClientHeight = 439
   ClientWidth = 240
   LCLVersion = '0.9.29'
   object Label1: TLabel
     Left = 8
     Height = 14
-    Top = 80
-    Width = 215
-    Caption = 'Location of the Input Corel Draw (*.cdr) file:'
+    Top = 104
+    Width = 123
+    Caption = 'Location of the Input file:'
     ParentColor = False
   end
   object Label2: TLabel
     Left = 8
-    Height = 59
+    Height = 96
     Top = 8
     Width = 224
     AutoSize = False
-    Caption = 'This example project uses fpvectorial to convert a Corel Draw file (*.cdr) to an SVG (*.svg) vectorial graphics file.'
+    Caption = 'This converter application use the fpvectorial library to convert between various different vectorial graphics formats. The type is detected from the extension and the supported types are: PDF (*.pdf), SVG (*.svg) and Corel Draw file (*.cdr).'
     ParentColor = False
     WordWrap = True
   end
   object editInput: TFileNameEdit
     Left = 8
     Height = 21
-    Top = 104
+    Top = 120
     Width = 192
     DialogOptions = []
     FilterIndex = 0
@@ -42,9 +42,9 @@ object formCDR2SVG: TformCDR2SVG
   object Label3: TLabel
     Left = 8
     Height = 14
-    Top = 138
-    Width = 154
-    Caption = 'Full path of the Output SVG file:'
+    Top = 144
+    Width = 132
+    Caption = 'Full path of the Output file:'
     ParentColor = False
   end
   object editOutput: TFileNameEdit
@@ -63,7 +63,7 @@ object formCDR2SVG: TformCDR2SVG
   object buttonConvert: TButton
     Left = 87
     Height = 25
-    Top = 200
+    Top = 192
     Width = 67
     Caption = 'Convert'
     OnClick = buttonConvertClick
@@ -72,7 +72,7 @@ object formCDR2SVG: TformCDR2SVG
   object buttonQuit: TButton
     Left = 176
     Height = 25
-    Top = 200
+    Top = 192
     Width = 59
     Caption = 'Quit'
     OnClick = buttonQuitClick
@@ -80,14 +80,14 @@ object formCDR2SVG: TformCDR2SVG
   end
   object imagePreview: TImage
     Left = 8
-    Height = 202
-    Top = 232
+    Height = 210
+    Top = 224
     Width = 224
   end
   object buttonVisualize: TButton
     Left = 8
     Height = 25
-    Top = 200
+    Top = 192
     Width = 59
     Caption = 'Visualize'
     OnClick = buttonVisualizeClick

packages/fpvectorial/examples/fpvc_mainform.pas

@@ -1,4 +1,4 @@
-unit cdr2svg_mainform;
+unit fpvc_mainform;
 
 {$mode objfpc}{$H+}
 
@@ -10,9 +10,9 @@ uses
 
 type
 
-  { TformCDR2SVG }
+  { TformVectorialConverter }
 
-  TformCDR2SVG = class(TForm)
+  TformVectorialConverter = class(TForm)
     buttonVisualize: TButton;
     buttonConvert: TButton;
     buttonQuit: TButton;
@@ -33,7 +33,7 @@ type
   end; 
 
 var
-  formCDR2SVG: TformCDR2SVG;
+  formVectorialConverter: TformVectorialConverter;
 
 implementation
 
@@ -43,14 +43,14 @@ uses
 
 {$R *.lfm}
 
-{ TformCDR2SVG }
+{ TformVectorialConverter }
 
-procedure TformCDR2SVG.buttonQuitClick(Sender: TObject);
+procedure TformVectorialConverter.buttonQuitClick(Sender: TObject);
 begin
   Close;
 end;
 
-procedure TformCDR2SVG.buttonVisualizeClick(Sender: TObject);
+procedure TformVectorialConverter.buttonVisualizeClick(Sender: TObject);
 var
   Vec: TvVectorialDocument;
 begin
@@ -68,14 +68,15 @@ begin
   end;
 end;
 
-function TformCDR2SVG.CheckInput(): Boolean;
+function TformVectorialConverter.CheckInput(): Boolean;
 begin
   // todo...
 end;
 
-procedure TformCDR2SVG.buttonConvertClick(Sender: TObject);
+procedure TformVectorialConverter.buttonConvertClick(Sender: TObject);
 var
   Vec: TvVectorialDocument;
+  lFormat: TvVectorialFormat;
 begin
   // First check the in input
   if not CheckInput() then Exit;
@@ -83,8 +84,10 @@ begin
   // Now convert
   Vec := TvVectorialDocument.Create;
   try
-    Vec.ReadFromFile(editInput.FileName, vfPDF);
-    Vec.WriteToFile(editOutPut.FileName, vfSVG);
+    lFormat := TvVectorialDocument.GetFormatFromExtension(editInput.FileName);
+    Vec.ReadFromFile(editInput.FileName, lFormat);
+    lFormat := TvVectorialDocument.GetFormatFromExtension(editOutPut.FileName);
+    Vec.WriteToFile(editOutPut.FileName, lFormat);
   finally
     Vec.Free;
   end;

packages/fpvectorial/examples/fpvectorialconverter.lpi

@@ -8,7 +8,7 @@
         <AlwaysBuild Value="False"/>
       </Flags>
       <SessionStorage Value="InProjectDir"/>
-      <Title Value="cdr2svg_visual"/>
+      <Title Value="fpvectorialconverter"/>
       <UseXPManifest Value="True"/>
       <Icon Value="0"/>
     </General>
@@ -35,16 +35,16 @@
     </RequiredPackages>
     <Units Count="2">
       <Unit0>
-        <Filename Value="cdr2svg_visual.lpr"/>
+        <Filename Value="fpvectorialconverter.lpr"/>
         <IsPartOfProject Value="True"/>
-        <UnitName Value="cdr2svg_visual"/>
+        <UnitName Value="fpvectorialconverter"/>
       </Unit0>
       <Unit1>
-        <Filename Value="cdr2svg_mainform.pas"/>
+        <Filename Value="fpvc_mainform.pas"/>
         <IsPartOfProject Value="True"/>
-        <ComponentName Value="formCDR2SVG"/>
+        <ComponentName Value="formVectorialConverter"/>
         <ResourceBaseClass Value="Form"/>
-        <UnitName Value="cdr2svg_mainform"/>
+        <UnitName Value="fpvc_mainform"/>
       </Unit1>
     </Units>
   </ProjectOptions>
@@ -52,7 +52,7 @@
     <Version Value="9"/>
     <PathDelim Value="\"/>
     <Target>
-      <Filename Value="cdr2svg_visual"/>
+      <Filename Value="fpvectorialconverter"/>
     </Target>
     <SearchPaths>
       <IncludeFiles Value="$(ProjOutDir)\"/>

packages/fpvectorial/examples/fpvectorialconverter.lpr

@@ -1,4 +1,4 @@
-program cdr2svg_visual;
+program fpvectorialconverter;
 
 {$mode objfpc}{$H+}
 
@@ -7,14 +7,14 @@ uses
   cthreads,
   {$ENDIF}{$ENDIF}
   Interfaces, // this includes the LCL widgetset
-  Forms, cdr2svg_mainform
+  Forms, fpvc_mainform
   { you can add units after this };
 
 {$R *.res}
 
 begin
   Application.Initialize;
-  Application.CreateForm(TformCDR2SVG, formCDR2SVG);
+  Application.CreateForm(TformVectorialConverter, formVectorialConverter);
   Application.Run;
 end.
 

packages/fpvectorial/src/fpvectorial.pas

@@ -31,7 +31,12 @@ type
 
 const
   { Default extensions }
+  { Multi-purpose document formats }
   STR_PDF_EXTENSION = '.pdf';
+  STR_POSTSCRIPT_EXTENSION = '.ps';
+  STR_SVG_EXTENSION = '.svg';
+  STR_CORELDRAW_EXTENSION = '.cdr';
+  STR_WINMETAFILE_EXTENSION = '.wmf';
 
 type
   TSegmentType = (
@@ -84,6 +89,7 @@ type
     procedure ReadFromFile(AFileName: string; AFormat: TvVectorialFormat);
     procedure ReadFromStream(AStream: TStream; AFormat: TvVectorialFormat);
     procedure ReadFromStrings(AStrings: TStrings; AFormat: TvVectorialFormat);
+    class function GetFormatFromExtension(AFileName: string): TvVectorialFormat;
     { Data reading methods }
     function  GetPath(ANum: Cardinal): TPath;
     function  GetPathCount: Integer;
@@ -527,6 +533,21 @@ begin
   end;
 end;
 
+class function TvVectorialDocument.GetFormatFromExtension(AFileName: string
+  ): TvVectorialFormat;
+var
+  lExt: string;
+begin
+  lExt := ExtractFileExt(AFileName);
+  if AnsiCompareText(lExt, STR_PDF_EXTENSION) = 0 then Result := vfPDF
+  else if AnsiCompareText(lExt, STR_POSTSCRIPT_EXTENSION) = 0 then Result := vfPostScript
+  else if AnsiCompareText(lExt, STR_SVG_EXTENSION) = 0 then Result := vfSVG
+  else if AnsiCompareText(lExt, STR_CORELDRAW_EXTENSION) = 0 then Result := vfCorelDrawCDR
+  else if AnsiCompareText(lExt, STR_WINMETAFILE_EXTENSION) = 0 then Result := vfWindowsMetafileWMF
+  else
+    raise Exception.Create('TvVectorialDocument.GetFormatFromExtension: The extension (' + lExt + ') doesn''t match any supported formats.');
+end;
+
 function TvVectorialDocument.GetPath(ANum: Cardinal): TPath;
 begin
   if ANum >= FPaths.Count then raise Exception.Create('TvVectorialDocument.GetPath: Path number out of bounds');