Added Plugins test extra

test/test_extra/Plugins/SamplePlugin1/grayscale.lpi

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+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <Flags>
+        <MainUnitHasCreateFormStatements Value="False"/>
+        <MainUnitHasTitleStatement Value="False"/>
+      </Flags>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="grayscale"/>
+      <UseAppBundle Value="False"/>
+      <ResourceType Value="res"/>
+    </General>
+    <i18n>
+      <EnableI18N LFM="False"/>
+    </i18n>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="2">
+      <Item1 Name="Release" Default="True"/>
+      <Item2 Name="Debug">
+        <CompilerOptions>
+          <Version Value="11"/>
+          <PathDelim Value="\"/>
+          <Target>
+            <Filename Value="grayscale"/>
+          </Target>
+          <SearchPaths>
+            <IncludeFiles Value="$(ProjOutDir)"/>
+            <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+          </SearchPaths>
+          <Parsing>
+            <SyntaxOptions>
+              <IncludeAssertionCode Value="True"/>
+            </SyntaxOptions>
+          </Parsing>
+          <CodeGeneration>
+            <RelocatableUnit Value="True"/>
+            <Checks>
+              <IOChecks Value="True"/>
+              <RangeChecks Value="True"/>
+              <OverflowChecks Value="True"/>
+              <StackChecks Value="True"/>
+            </Checks>
+          </CodeGeneration>
+          <Linking>
+            <Debugging>
+              <DebugInfoType Value="dsDwarf2Set"/>
+              <UseHeaptrc Value="True"/>
+              <UseExternalDbgSyms Value="True"/>
+            </Debugging>
+            <Options>
+              <ExecutableType Value="Library"/>
+            </Options>
+          </Linking>
+        </CompilerOptions>
+      </Item2>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="1">
+      <Item1>
+        <PackageName Value="BGRABitmapPack"/>
+      </Item1>
+    </RequiredPackages>
+    <Units Count="1">
+      <Unit0>
+        <Filename Value="grayscale.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="grayscale"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <CodeGeneration>
+      <SmartLinkUnit Value="True"/>
+      <RelocatableUnit Value="True"/>
+      <Optimizations>
+        <OptimizationLevel Value="3"/>
+      </Optimizations>
+    </CodeGeneration>
+    <Linking>
+      <Debugging>
+        <GenerateDebugInfo Value="False"/>
+      </Debugging>
+      <LinkSmart Value="True"/>
+      <Options>
+        <ExecutableType Value="Library"/>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

test/test_extra/Plugins/SamplePlugin1/grayscale.lpr

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+library grayscale;
+
+{$mode objfpc}{$H+}
+
+uses
+  Classes, strings, BGRABitmap, BGRABitmapTypes;
+
+procedure FilterName(s: pchar); cdecl;
+begin
+  StrCopy(s, 'Grayscale');
+end;
+
+procedure ApplyFilter(BGRA: TBGRABitmap); cdecl;
+begin
+  BGRA.InplaceGrayscale();
+end;
+
+exports
+  FilterName,
+  ApplyFilter;
+
+begin
+end.
+

test/test_extra/Plugins/SamplePlugin2/invert.lpi

@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <Flags>
+        <MainUnitHasCreateFormStatements Value="False"/>
+        <MainUnitHasTitleStatement Value="False"/>
+      </Flags>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="invert"/>
+      <UseAppBundle Value="False"/>
+      <ResourceType Value="res"/>
+    </General>
+    <i18n>
+      <EnableI18N LFM="False"/>
+    </i18n>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="2">
+      <Item1 Name="Release" Default="True"/>
+      <Item2 Name="Debug">
+        <CompilerOptions>
+          <Version Value="11"/>
+          <PathDelim Value="\"/>
+          <Target>
+            <Filename Value="invert"/>
+          </Target>
+          <SearchPaths>
+            <IncludeFiles Value="$(ProjOutDir)"/>
+            <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+          </SearchPaths>
+          <Parsing>
+            <SyntaxOptions>
+              <IncludeAssertionCode Value="True"/>
+            </SyntaxOptions>
+          </Parsing>
+          <CodeGeneration>
+            <RelocatableUnit Value="True"/>
+            <Checks>
+              <IOChecks Value="True"/>
+              <RangeChecks Value="True"/>
+              <OverflowChecks Value="True"/>
+              <StackChecks Value="True"/>
+            </Checks>
+          </CodeGeneration>
+          <Linking>
+            <Debugging>
+              <DebugInfoType Value="dsDwarf2Set"/>
+              <UseHeaptrc Value="True"/>
+              <UseExternalDbgSyms Value="True"/>
+            </Debugging>
+            <Options>
+              <ExecutableType Value="Library"/>
+            </Options>
+          </Linking>
+        </CompilerOptions>
+      </Item2>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="1">
+      <Item1>
+        <PackageName Value="BGRABitmapPack"/>
+      </Item1>
+    </RequiredPackages>
+    <Units Count="1">
+      <Unit0>
+        <Filename Value="invert.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="invert"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <CodeGeneration>
+      <SmartLinkUnit Value="True"/>
+      <RelocatableUnit Value="True"/>
+      <Optimizations>
+        <OptimizationLevel Value="3"/>
+      </Optimizations>
+    </CodeGeneration>
+    <Linking>
+      <Debugging>
+        <GenerateDebugInfo Value="False"/>
+      </Debugging>
+      <LinkSmart Value="True"/>
+      <Options>
+        <ExecutableType Value="Library"/>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

test/test_extra/Plugins/SamplePlugin2/invert.lpr

@@ -0,0 +1,36 @@
+library invert;
+
+{$mode objfpc}{$H+}
+
+uses
+  Classes, strings, BGRABitmap, BGRABitmapTypes;
+
+procedure FilterName(s: pchar); cdecl;
+begin
+  StrCopy(s, 'Invert');
+end;
+
+procedure ApplyFilter(BGRA: TBGRABitmap); cdecl;
+var
+  i: integer;
+  p: PBGRAPixel;
+begin
+  p := BGRA.Data;
+
+  for i := BGRA.NBPixels - 1 downto 0 do
+  begin
+    p^.red := not p^.red;
+    p^.green := not p^.green;
+    p^.blue := not p^.blue;
+    p^.alpha := p^.alpha;
+    Inc(p);
+  end;
+end;
+
+exports
+  FilterName,
+  ApplyFilter;
+
+begin
+end.
+

test/test_extra/Plugins/TestPlugins/plugins.lpi

@@ -0,0 +1,133 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="plugins"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+      <Icon Value="0"/>
+    </General>
+    <i18n>
+      <EnableI18N LFM="False"/>
+    </i18n>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="2">
+      <Item1 Name="Release" Default="True"/>
+      <Item2 Name="Debug">
+        <CompilerOptions>
+          <Version Value="11"/>
+          <PathDelim Value="\"/>
+          <Target>
+            <Filename Value="plugins"/>
+          </Target>
+          <SearchPaths>
+            <IncludeFiles Value="$(ProjOutDir)"/>
+            <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+          </SearchPaths>
+          <Parsing>
+            <SyntaxOptions>
+              <IncludeAssertionCode Value="True"/>
+            </SyntaxOptions>
+          </Parsing>
+          <CodeGeneration>
+            <Checks>
+              <IOChecks Value="True"/>
+              <RangeChecks Value="True"/>
+              <OverflowChecks Value="True"/>
+              <StackChecks Value="True"/>
+            </Checks>
+          </CodeGeneration>
+          <Linking>
+            <Debugging>
+              <DebugInfoType Value="dsDwarf2Set"/>
+              <UseHeaptrc Value="True"/>
+              <UseExternalDbgSyms Value="True"/>
+            </Debugging>
+            <Options>
+              <Win32>
+                <GraphicApplication Value="True"/>
+              </Win32>
+            </Options>
+          </Linking>
+        </CompilerOptions>
+      </Item2>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="2">
+      <Item1>
+        <PackageName Value="bgracontrols"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="LCL"/>
+      </Item2>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="plugins.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="unit1.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="Unit1"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="plugins"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <CodeGeneration>
+      <SmartLinkUnit Value="True"/>
+      <Optimizations>
+        <OptimizationLevel Value="3"/>
+      </Optimizations>
+    </CodeGeneration>
+    <Linking>
+      <Debugging>
+        <GenerateDebugInfo Value="False"/>
+      </Debugging>
+      <LinkSmart Value="True"/>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

test/test_extra/Plugins/TestPlugins/plugins.lpr

@@ -0,0 +1,21 @@
+program plugins;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, Unit1
+  { you can add units after this };
+
+{$R *.res}
+
+begin
+  RequireDerivedFormResource:=True;
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+

test/test_extra/Plugins/TestPlugins/unit1.lfm

@@ -0,0 +1,35 @@
+object Form1: TForm1
+  Left = 470
+  Height = 240
+  Top = 181
+  Width = 320
+  Caption = 'Form1'
+  ClientHeight = 240
+  ClientWidth = 320
+  OnCreate = FormCreate
+  OnDestroy = FormDestroy
+  LCLVersion = '1.6.0.4'
+  object BGRAVirtualScreen1: TBGRAVirtualScreen
+    Left = 0
+    Height = 240
+    Top = 0
+    Width = 320
+    OnRedraw = BGRAVirtualScreen1Redraw
+    Align = alClient
+    Alignment = taLeftJustify
+    ClientHeight = 240
+    ClientWidth = 320
+    Color = clWhite
+    ParentColor = False
+    TabOrder = 0
+    object ComboBox1: TComboBox
+      Left = 8
+      Height = 28
+      Top = 8
+      Width = 100
+      ItemHeight = 20
+      OnSelect = ComboBox1Select
+      TabOrder = 0
+    end
+  end
+end

test/test_extra/Plugins/TestPlugins/unit1.pas

@@ -0,0 +1,112 @@
+unit Unit1;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, strings, Forms, Controls, Graphics, Dialogs, StdCtrls,
+  BGRABitmap, BGRABitmapTypes, BGRAVirtualScreen, dynlibs;
+
+const
+  {$IFDEF WINDOWS}
+  LIBRARYEXT = '*.dll';
+  {$ENDIF}
+  {$IFDEF LINUX}
+  LIBRARYEXT = '*.so';
+  {$ENDIF}
+  {$IFDEF DARWIN}
+  LIBRARYEXT = '*.dylib'
+  {$ENDIF}
+
+type
+  TFilterName = procedure(s: PChar); cdecl;
+  TApplyFilter = procedure(BGRA: TBGRABitmap); cdecl;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    BGRAVirtualScreen1: TBGRAVirtualScreen;
+    ComboBox1: TComboBox;
+    procedure BGRAVirtualScreen1Redraw(Sender: TObject; Bitmap: TBGRABitmap);
+    procedure ComboBox1Select(Sender: TObject);
+    procedure FormCreate(Sender: TObject);
+    procedure FormDestroy(Sender: TObject);
+  private
+    { private declarations }
+    DLLnames: TStringList;
+    CurrentFilter: TApplyFilter;
+    dll: TLibHandle;
+  public
+    { public declarations }
+  end;
+
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+{ TForm1 }
+
+procedure TForm1.BGRAVirtualScreen1Redraw(Sender: TObject; Bitmap: TBGRABitmap);
+begin
+  Bitmap.Fill(BGRA(255, 0, 0));
+  if Assigned(CurrentFilter) then
+    CurrentFilter(Bitmap);
+end;
+
+procedure TForm1.ComboBox1Select(Sender: TObject);
+begin
+  if dll <> dynlibs.NilHandle then
+    if FreeLibrary(dll) then
+      dll := dynlibs.NilHandle;
+  dll := LoadLibrary(DLLnames[ComboBox1.ItemIndex]);
+  if dll <> dynlibs.NilHandle then
+  begin
+    CurrentFilter := TApplyFilter(GetProcAddress(dll, 'ApplyFilter'));
+  end;
+  BGRAVirtualScreen1.DiscardBitmap;
+end;
+
+procedure TForm1.FormCreate(Sender: TObject);
+var
+  i: integer;
+  GetName: TFilterName;
+  s: PChar;
+begin
+  DLLnames := FindAllFiles(ProgramDirectory, LIBRARYEXT, False);
+  for i := 0 to DLLnames.Count - 1 do
+  begin
+    DLLnames[i] := ExtractFileName(DLLnames[i]);
+  end;
+
+  s := stralloc(50);
+  for i := 0 to DLLnames.Count - 1 do
+  begin
+    dll := LoadLibrary(DLLnames[i]);
+    if dll <> dynlibs.NilHandle then
+    begin
+      GetName := TFilterName(GetProcAddress(dll, 'FilterName'));
+      if Assigned(GetName) then
+      begin
+        GetName(s);
+        ComboBox1.Items.Add(string(s));
+      end;
+      if FreeLibrary(dll) then
+        dll := dynlibs.NilHandle;
+    end;
+  end;
+  strdispose(s);
+end;
+
+procedure TForm1.FormDestroy(Sender: TObject);
+begin
+  DLLnames.Free;
+end;
+
+end.
+