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authorgraemeg <graemeg@ae50a9b5-8222-0410-bf8d-8a13f76226bf>2007-07-23 09:40:43 +0000
committergraemeg <graemeg@ae50a9b5-8222-0410-bf8d-8a13f76226bf>2007-07-23 09:40:43 +0000
commit652ba160012b1eda3a1f6dafb9311b0dcade476c (patch)
tree8abf8d7cc6246484c646b8160b8ab0179ac5b069 /examples/corelib/canvastest
parent6bda2054c8dda9b98f9958c54fce9f27927642c5 (diff)
downloadfpGUI-652ba160012b1eda3a1f6dafb9311b0dcade476c.tar.xz
Restructure Part 3.
* Moved all the examples over from the prototype directory. * Removed obsolete GFX examples.
Diffstat (limited to 'examples/corelib/canvastest')
-rw-r--r--examples/corelib/canvastest/button.bmpbin0 -> 4438 bytes
-rw-r--r--examples/corelib/canvastest/fpgcanvas.lpi54
-rw-r--r--examples/corelib/canvastest/fpgcanvas.lpr205
-rwxr-xr-xexamples/corelib/canvastest/gears2.bmpbin0 -> 822 bytes
-rw-r--r--examples/corelib/canvastest/linux_screenshot.pngbin0 -> 29173 bytes
5 files changed, 259 insertions, 0 deletions
diff --git a/examples/corelib/canvastest/button.bmp b/examples/corelib/canvastest/button.bmp
new file mode 100644
index 00000000..8ae427cf
--- /dev/null
+++ b/examples/corelib/canvastest/button.bmp
Binary files differ
diff --git a/examples/corelib/canvastest/fpgcanvas.lpi b/examples/corelib/canvastest/fpgcanvas.lpi
new file mode 100644
index 00000000..9c070422
--- /dev/null
+++ b/examples/corelib/canvastest/fpgcanvas.lpi
@@ -0,0 +1,54 @@
+<?xml version="1.0"?>
+<CONFIG>
+ <ProjectOptions>
+ <PathDelim Value="/"/>
+ <Version Value="5"/>
+ <General>
+ <Flags>
+ <SaveOnlyProjectUnits Value="True"/>
+ </Flags>
+ <SessionStorage Value="InProjectDir"/>
+ <MainUnit Value="0"/>
+ <IconPath Value="./"/>
+ <TargetFileExt Value=""/>
+ <Title Value="fpcanvas"/>
+ </General>
+ <VersionInfo>
+ <ProjectVersion Value=""/>
+ </VersionInfo>
+ <PublishOptions>
+ <Version Value="2"/>
+ <IncludeFileFilter Value="*.(pas|pp|inc|lfm|lpr|lrs|lpi|lpk|sh|xml)"/>
+ <ExcludeFileFilter Value="*.(bak|ppu|ppw|o|so);*~;backup"/>
+ </PublishOptions>
+ <RunParams>
+ <local>
+ <FormatVersion Value="1"/>
+ <LaunchingApplication PathPlusParams="/usr/X11R6/bin/xterm -T 'Lazarus Run Output' -e $(LazarusDir)/tools/runwait.sh $(TargetCmdLine)"/>
+ </local>
+ </RunParams>
+ <RequiredPackages Count="1">
+ <Item1>
+ <PackageName Value="fpGFX2"/>
+ </Item1>
+ </RequiredPackages>
+ <Units Count="1">
+ <Unit0>
+ <Filename Value="fpgcanvas.lpr"/>
+ <IsPartOfProject Value="True"/>
+ <UnitName Value="fpgcanvas"/>
+ </Unit0>
+ </Units>
+ </ProjectOptions>
+ <CompilerOptions>
+ <Version Value="5"/>
+ <CodeGeneration>
+ <Generate Value="Faster"/>
+ </CodeGeneration>
+ <Other>
+ <CustomOptions Value="-FUunits
+"/>
+ <CompilerPath Value="$(CompPath)"/>
+ </Other>
+ </CompilerOptions>
+</CONFIG>
diff --git a/examples/corelib/canvastest/fpgcanvas.lpr b/examples/corelib/canvastest/fpgcanvas.lpr
new file mode 100644
index 00000000..4e3b0944
--- /dev/null
+++ b/examples/corelib/canvastest/fpgcanvas.lpr
@@ -0,0 +1,205 @@
+program fpgcanvas;
+
+{$mode objfpc}{$H+}
+
+uses
+ {$IFDEF UNIX}{$IFDEF UseCThreads}
+ cthreads,
+ {$ENDIF}{$ENDIF}
+ Classes, SysUtils,
+ fpgfx,
+ gfxbase,
+ gui_form,
+ gfx_imgfmt_bmp;
+
+
+type
+
+ { TMainForm }
+
+ TMainForm = class(TfpgForm)
+ private
+ bmp: TfpgImage;
+ dst: TfpgImage;
+ protected
+ procedure HandlePaint; override;
+ public
+ procedure AfterCreate; override;
+ procedure BeforeDestruction; override;
+ end;
+
+{ TMainForm }
+
+procedure TMainForm.HandlePaint;
+var
+ r: TfpgRect;
+ fnt: TfpgFont;
+ y: integer;
+ c: TfpgColor;
+begin
+ // Enable double buffering. Must be before 'inherited' to prevent form
+ // clearing itself.
+ Canvas.BeginDraw;
+ inherited HandlePaint;
+
+ // Testing Rectangles
+ Canvas.SetColor(clBlack);
+ r.Top := 5;
+ r.Left := 60;
+ r.Width := 50;
+ r.Height := 50;
+ Canvas.DrawRectangle(r);
+
+ r.Left := 120;
+ Canvas.SetLineStyle(2, lsDash);
+ Canvas.DrawRectangle(r);
+
+ r.Left := 180;
+ Canvas.SetColor(clGreen);
+ Canvas.SetLineStyle(1, lsDot);
+ Canvas.DrawRectangle(r);
+
+ r.Left := 240;
+ Canvas.SetColor(clBlue);
+ Canvas.SetLineStyle(1, lsSolid);
+ Canvas.FillRectangle(r);
+
+
+ // Testing line drawing
+ Canvas.DrawLine(5, 5, 50, 50);
+ Canvas.SetColor(clBlue);
+ Canvas.DrawLine(50, 5, 5, 50);
+ Canvas.SetColor(clRed);
+ { Diagonal line }
+ Canvas.DrawLine(60, 5, 110, 55);
+ { Horizontal line }
+ Canvas.DrawLine(60, 3, 110, 3);
+ { Vertical line }
+ Canvas.DrawLine(58, 5, 58, 55);
+
+
+ // Testing Text and Fonts
+ y := 60;
+ Canvas.SetTextColor(clBlack);
+ Canvas.DrawString(5, y, 'This text must be black and default font (' + fpgApplication.DefaultFont.FontDesc + ')');
+ Canvas.SetTextColor(clRed);
+ y := y + Canvas.Font.Height; // fonts are different sizes on differet OS's
+ Canvas.DrawString(5, y, 'This text must be red.');
+ Canvas.SetTextColor(clBlack);
+ y := y + Canvas.Font.Height;
+ Canvas.DrawString(5, y, 'Russian (UTF-8) text -> Òåñò');
+ y := y + Canvas.Font.Height;
+ fnt := fpgApplication.GetFont('Times-14:bold');
+ Canvas.Font := fnt;
+ Canvas.DrawString(5, y, 'Font used is ' + Canvas.Font.FontDesc);
+ y := y + Canvas.Font.Height;
+
+
+ // Testing basic style drawings
+ Canvas.Font := fpgApplication.DefaultFont;
+ Canvas.DrawString(320, 3, 'DrawButtonFace():');
+ Canvas.DrawButtonFace(300, 20, 75, 25, []);
+ Canvas.DrawString(385, 20, '= []');
+ Canvas.DrawButtonFace(300, 50, 75, 25, [btnIsDefault]);
+ Canvas.DrawString(385, 50, '= [btnIsDefault]');
+ Canvas.DrawButtonFace(300, 80, 75, 25, [btnIsPressed]);
+ Canvas.DrawString(385, 80, '= [btnIsPressed]');
+ Canvas.DrawButtonFace(300, 110, 75, 25, [btnIsEmbedded, btnIsPressed]);
+ Canvas.DrawString(385, 110, '= [embed & press]');
+ Canvas.DrawButtonFace(300, 140, 75, 25, [btnIsEmbedded]);
+ Canvas.DrawString(385, 140, '= [btnIsEmbedded]');
+
+ Canvas.DrawString(45, y, 'DrawControlFrame():');
+ y := y + Canvas.Font.Height;
+ Canvas.DrawControlFrame(5, y, 200, 23);
+
+
+ // Testing Bitmap painting
+ Canvas.DrawString(5, 180, 'Single BMP file:');
+ Canvas.DrawString(300, 210, '(mask enabled for all images)');
+ Canvas.DrawImage(150, 180, bmp);
+ Canvas.DrawString(5, 210, 'Parts of BMP file:');
+ Canvas.DrawImagePart(150, 210, bmp, 0, 0, 32, 21);
+ Canvas.DrawImagePart(190, 210, bmp, 32, 0, 32, 21);
+ Canvas.DrawImagePart(230, 210, bmp, 64, 0, 32, 21);
+
+// Canvas.StretchDraw(150, 240, 160, 21, bmp);
+ Canvas.StretchDraw(150, 240, 300, 50, bmp);
+
+ Canvas.DrawImage(150, 300, dst);
+ Canvas.StretchDraw(180, 300, 70, 70, dst);
+ Canvas.StretchDraw(265, 300, 230, 25, bmp);
+
+
+ // testing accuracy of line/rectangle drawing
+ Canvas.SetColor(clBlack);
+ Canvas.SetLineStyle(1, lsSolid);
+ r.Top := 302;
+ r.Left := 182;
+ r.Width := 66;
+ r.Height := 66;
+ Canvas.DrawRectangle(r);
+
+ Canvas.SetColor(clBlue);
+ Canvas.DrawLine(183, 303, 247, 303);
+
+
+// Stretch(bmp, dst, ResampleFilters[6].Filter, ResampleFilters[6].Width);
+//// Canvas.DrawImage(150, 240, bmp);
+// Canvas.DrawImage(160, 250, dst);
+
+
+
+ // Testing Canvas.Pixels[]
+ // two pixels should have changed color in the top left of the form
+ Canvas.Pixels[7,5] := clBlue; // This tests consistant bit order handling (RGB)
+ Canvas.Pixels[8,5] := clRed;
+ c := Canvas.Pixels[192, 227]; // should be orange like color
+ Canvas.Pixels[9,5] := c;
+ c := Canvas.Pixels[150 + (32*4) + 3, 199]; // should be lightblue like color
+ Canvas.Pixels[10,5] := c;
+
+ Canvas.EndDraw;
+end;
+
+procedure TMainForm.AfterCreate;
+begin
+ inherited AfterCreate;
+ SetPosition(100, 100, 500, 400);
+ WindowTitle := 'fpGFX Canvas Test';
+
+ bmp := LoadImage_BMP('button.bmp');
+ if not Assigned(bmp) then
+ raise Exception.Create('Failed to load button.bmp');
+ bmp.CreateMaskFromSample(0,0);
+ bmp.UpdateImage;
+
+// dst := TfpgImage.Create;
+// dst.AllocateImage(bmp.ColorDepth, 200, 50);
+ dst := LoadImage_BMP('gears2.bmp');
+ dst.CreateMaskFromSample(0,0);
+ dst.UpdateImage;
+end;
+
+procedure TMainForm.BeforeDestruction;
+begin
+ dst.Free;
+ bmp.Free;
+ inherited BeforeDestruction;
+end;
+
+procedure MainProc;
+var
+ frm: TMainForm;
+begin
+ fpgApplication.Initialize;
+ frm := TMainForm.Create(nil);
+ frm.Show;
+ fpgApplication.Run;
+end;
+
+
+begin
+ MainProc;
+end.
+
diff --git a/examples/corelib/canvastest/gears2.bmp b/examples/corelib/canvastest/gears2.bmp
new file mode 100755
index 00000000..52ac3254
--- /dev/null
+++ b/examples/corelib/canvastest/gears2.bmp
Binary files differ
diff --git a/examples/corelib/canvastest/linux_screenshot.png b/examples/corelib/canvastest/linux_screenshot.png
new file mode 100644
index 00000000..e7268d23
--- /dev/null
+++ b/examples/corelib/canvastest/linux_screenshot.png
Binary files differ