Стартовый пул

bgrabitmap/test/test4lcl_opengl/opengltest0/ptestvirtualscreen.lpi

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+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="10"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="ptestvirtualscreen"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+      <Icon Value="0"/>
+    </General>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="1">
+      <Item1 Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="2">
+      <Item1>
+        <PackageName Value="BGLControls"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="LCL"/>
+      </Item2>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="ptestvirtualscreen.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="unit1.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="Unit1"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <Target>
+      <Filename Value="ptestvirtualscreen"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib/$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <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>

bgrabitmap/test/test4lcl_opengl/opengltest0/ptestvirtualscreen.lpr

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+program ptestvirtualscreen;
+
+{$mode objfpc}{$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.
+

bgrabitmap/test/test4lcl_opengl/opengltest0/unit1.lfm

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+object Form1: TForm1
+  Left = 598
+  Height = 240
+  Top = 229
+  Width = 320
+  Caption = 'Form1'
+  ClientHeight = 240
+  ClientWidth = 320
+  LCLVersion = '1.8.2.0'
+  object BGLVirtualScreen1: TBGLVirtualScreen
+    Left = 0
+    Height = 240
+    Top = 0
+    Width = 320
+    OnRedraw = BGLVirtualScreen1Redraw
+    Align = alClient
+    BevelWidth = 0
+    TabOrder = 0
+    UseDockManager = False
+    OnDblClick = BGLVirtualScreen1DblClick
+  end
+end

bgrabitmap/test/test4lcl_opengl/opengltest0/unit1.pas

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+unit Unit1;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
+  BGLVirtualScreen, BGRAOpenGL;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    BGLVirtualScreen1: TBGLVirtualScreen;
+    procedure BGLVirtualScreen1DblClick(Sender: TObject);
+    procedure BGLVirtualScreen1Redraw(Sender: TObject; BGLContext: TBGLContext);
+  private
+    OriginalBounds: TRect;
+    OriginalWindowState: TWindowState;
+    procedure SwitchFullScreen;
+  public
+
+  end;
+
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+uses BGRABitmapTypes;
+
+{ TForm1 }
+
+procedure TForm1.SwitchFullScreen;
+begin
+  if BorderStyle <> bsNone then begin
+    // To full screen
+    OriginalWindowState := WindowState;
+    OriginalBounds := BoundsRect;
+
+    BorderStyle := bsNone;
+    BoundsRect := Screen.MonitorFromWindow(Handle).BoundsRect;
+  end else begin
+    // From full screen
+    BorderStyle := bsSizeable;
+    if OriginalWindowState = wsMaximized then
+      WindowState := wsMaximized
+    else
+      BoundsRect := OriginalBounds;
+  end;
+end;
+
+procedure TForm1.BGLVirtualScreen1Redraw(Sender: TObject;
+  BGLContext: TBGLContext);
+begin
+  BGLContext.Canvas.FillRect(10,10,100,100, CSSRed);
+end;
+
+// double-clic to switch to fullscreen
+procedure TForm1.BGLVirtualScreen1DblClick(Sender: TObject);
+begin
+  SwitchFullScreen;
+end;
+
+end.