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mainunit.pas
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unit mainunit;
{$Include opts.inc} //optiosn: DGL, CoreGL or legacy GL
{$mode delphi}{$H+}
interface
uses
{$IFDEF DGL} dglOpenGL, {$ELSE DGL} {$IFDEF COREGL}glcorearb, {$ELSE} gl, {$ENDIF} {$ENDIF DGL}
fphttpclient, strutils,
//{$IFDEF SCRIPTING}
scriptengine,
//{$ENDIF}
{$IFNDEF UNIX} shellapi, {$ELSE} Process, {$ENDIF}
{$IFNDEF Darwin}uscaledpi, {$ENDIF}
{$IFDEF COREGL} gl_core_3d, {$ELSE} gl_legacy_3d, {$ENDIF}
Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
math, ExtCtrls, OpenGLContext, mesh, LCLintf, ComCtrls, Menus, graphtype,
curv, ClipBrd, shaderui, shaderu, prefs, userdir, LCLtype, Grids, Spin,
Buttons, matmath, colorTable, Track, types, glcube, glclrbar, define_types,
meshify, zstream, gl_core_matrix, meshify_simplify;
type
{ TGLForm1 }
TGLForm1 = class(TForm)
AOLabel: TLabel;
CurvMenu: TMenuItem;
CurvMenuTemp: TMenuItem;
ShaderForBackgroundOnlyCheck: TCheckBox;
GoldColorMenu: TMenuItem;
ConvertAtlas: TMenuItem;
ColorBarMenu: TMenuItem;
BlackClrbarMenu: TMenuItem;
ColorbarSep: TMenuItem;
meshAlphaTrack: TTrackBar;
MeshBlendTrack: TTrackBar;
BGShader: TLabel;
ROImeshMenu: TMenuItem;
TrackLengthLabel2: TLabel;
TransBlackClrbarMenu: TMenuItem;
ColorBarVisibleMenu: TMenuItem;
WhiteClrbarMenu: TMenuItem;
TransWhiteClrBarMenu: TMenuItem;
NewWindow1: TMenuItem;
S1Check: TCheckBox;
S6Check: TCheckBox;
S6Label: TLabel;
S6Track: TTrackBar;
S2Check: TCheckBox;
S1Label: TLabel;
S7Check: TCheckBox;
S7Label: TLabel;
S7Track: TTrackBar;
S3Check: TCheckBox;
S2Label: TLabel;
S1Track: TTrackBar;
RestrictSep2Menu: TMenuItem;
RestrictHideNodesWithoutEdges: TMenuItem;
S8Check: TCheckBox;
S8Label: TLabel;
S8Track: TTrackBar;
S4Check: TCheckBox;
S3Label: TLabel;
S2Track: TTrackBar;
S9Check: TCheckBox;
S9Label: TLabel;
S9Track: TTrackBar;
S5Check: TCheckBox;
S4Label: TLabel;
S3Track: TTrackBar;
S10Check: TCheckBox;
S5Label: TLabel;
S4Track: TTrackBar;
S10Label: TLabel;
S5Track: TTrackBar;
S10Track: TTrackBar;
TrackScalarRangeBtn: TButton;
HelpMenu: TMenuItem;
DisplaySepMenu: TMenuItem;
AdvancedMenu: TMenuItem;
AdditiveOverlayMenu: TMenuItem;
CenterMeshMenu: TMenuItem;
TrackScalarLUTdrop: TComboBox;
TrackScalarNameDrop: TComboBox;
SimplifyMeshMenu: TMenuItem;
ScriptMenu: TMenuItem;
SimplifyTracksMenu: TMenuItem;
TransparencySepMenu: TMenuItem;
ReverseFacesMenu: TMenuItem;
SwapYZMenu: TMenuItem;
SaveMeshMenu: TMenuItem;
VolumeToMeshMenu: TMenuItem;
ResetMenu: TMenuItem;
OrientCubeMenu: TMenuItem;
Pref2Menu: TMenuItem;
About2Menu: TMenuItem;
EdgeSizeVariesCheck: TCheckBox;
FileSepMenu: TMenuItem;
occlusionTrack: TTrackBar;
SaveTracksMenu: TMenuItem;
NodeSizeVariesCheck: TCheckBox;
PrefMenu: TMenuItem;
NodeMaxEdit: TFloatSpinEdit;
NodeMinEdit: TFloatSpinEdit;
EdgeMinLabel1: TLabel;
NodeThreshDrop: TComboBox;
NodeScaleLabel1: TLabel;
NodeScaleTrack: TTrackBar;
EdgeMinEdit: TFloatSpinEdit;
EdgeMaxEdit: TFloatSpinEdit;
LUTdropEdge: TComboBox;
EdgeBox: TGroupBox;
EdgeColorVariesCheck: TCheckBox;
NodeScaleLabel: TLabel;
EdgeMinLabel: TLabel;
edgeScaleTrack: TTrackBar;
RestrictSepMenu: TMenuItem;
RestrictAnyEdgeMenu: TMenuItem;
RestrictPosEdgeMenu: TMenuItem;
RestrictNegEdgeMenu: TMenuItem;
RestrictRightMenu: TMenuItem;
RestrictLeftMenu: TMenuItem;
RestrictNoMenu: TMenuItem;
RestrictMenu: TMenuItem;
NodeColorVariesCheck: TCheckBox;
GrayColorMenu: TMenuItem;
BlueColorMenu: TMenuItem;
GreenColorMenu: TMenuItem;
ExitMenu: TMenuItem;
DisplayMenu: TMenuItem;
AnteriorMenu: TMenuItem;
LeftMenu: TMenuItem;
CloseMenu: TMenuItem;
AddNodesMenu: TMenuItem;
CloseNodesMenu: TMenuItem;
LUTdropNode: TComboBox;
SaveMeshDialog: TSaveDialog;
NodeMenu: TMenuItem;
RightMenu: TMenuItem;
InferiorMenu: TMenuItem;
SuperiorMenu: TMenuItem;
PosteriorMenu: TMenuItem;
RedColorItem: TMenuItem;
QuickColorMenu: TMenuItem;
NodeBox: TGroupBox;
MeshColorBox: TGroupBox;
TrackLengthLabel1: TLabel;
MeshSaturationTrack: TTrackBar;
TrackWidthLabel: TLabel;
TrackLengthTrack: TTrackBar;
TrackLengthLabel: TLabel;
LightAziTrack: TTrackBar;
ClipAziTrack: TTrackBar;
ClipBox: TGroupBox;
ClipTrack: TTrackBar;
CollapseToolPanelBtn: TButton;
ColorDialog1: TColorDialog;
LightElevTrack: TTrackBar;
ClipElevTrack: TTrackBar;
TrackBox: TGroupBox;
Label2: TLabel;
DepthLabel: TLabel;
AzimuthLabel: TLabel;
ElevationLabel: TLabel;
LUTdrop: TComboBox;
MainMenu1: TMainMenu;
AppleMenu: TMenuItem;
FileMenu: TMenuItem;
ColorMenu: TMenuItem;
BackColorMenu: TMenuItem;
AboutMenu: TMenuItem;
EditMenu: TMenuItem;
CopyMenu: TMenuItem;
Memo1: TMemo;
AddOverlayMenu: TMenuItem;
CloseOverlaysMenu: TMenuItem;
AddTracksMenu: TMenuItem;
CloseTracksMenu: TMenuItem;
TrackWidthLabel1: TLabel;
TrackWidthLabel2: TLabel;
TrackWidthLabel3: TLabel;
TrackDitherLabel: TLabel;
TrackWidthTrack: TTrackBar;
TracksMenu: TMenuItem;
MeshTransparencyTrack: TTrackBar;
TrackDitherTrack: TTrackBar;
Transparency75: TMenuItem;
Transparency25: TMenuItem;
Transparency50: TMenuItem;
Transparency0: TMenuItem;
TransparencyMenu: TMenuItem;
OverlaysMenu: TMenuItem;
OpenDialog: TOpenDialog;
CollapsedToolPanel: TPanel;
OverlayBox: TGroupBox;
ShaderBox: TGroupBox;
ShaderDrop: TComboBox;
ErrorTimer: TTimer;
StringGrid1: TStringGrid;
OverlayTimer: TTimer;
UpdateTimer: TTimer;
ToolPanel: TPanel;
SaveBitmapDialog: TSaveDialog;
SaveMenu: TMenuItem;
ObjectColorMenu: TMenuItem;
OpenMenu: TMenuItem;
BackgroundBox: TGroupBox;
procedure FormDestroy(Sender: TObject);
procedure NodeThreshDropChange(Sender: TObject);
procedure ROImeshMenuClick(Sender: TObject);
procedure StringGrid1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
function UpdateClrbar: integer;
procedure ClrbarClr(i: integer);
procedure UpdateFont(initialSetup: boolean);
procedure ClrbarMenuClick(Sender: TObject);
procedure ColorBarVisibleMenuClick(Sender: TObject);
procedure SetColorBarPosition;
procedure FormChangeBounds(Sender: TObject);
procedure FormShow(Sender: TObject);
function GLBoxBackingWidth: integer;
function GLBoxBackingHeight: integer;
procedure GLboxDblClick(Sender: TObject);
procedure CurvMenuClick(Sender: TObject);
procedure DepthLabelDblClick(Sender: TObject);
procedure NewWindow1Click(Sender: TObject);
procedure Quit2TextEditor;
procedure CenterMeshMenuClick(Sender: TObject);
procedure AdditiveOverlayMenuClick(Sender: TObject);
procedure FormDropFiles(Sender: TObject; const FileNames: array of String);
procedure GLBoxClick(Sender: TObject);
procedure MeshColorBoxChange(Sender: TObject);
function OpenNode(FilenameIn: string): boolean;
function OpenTrack(FilenameIn: string): boolean;
function OpenOverlay(FilenameIn: string): boolean;
function OpenEdge(FilenameIn: string): boolean;
function OpenMesh(FilenameIn: string): boolean;
procedure CheckForUpdates(Sender: TObject);
procedure AboutMenuClick(Sender: TObject);
procedure AddNodesMenuClick(Sender: TObject);
procedure AddOverlayMenuClick(Sender: TObject);
procedure AddTracksMenuClick(Sender: TObject);
procedure AzimuthLabelClick(Sender: TObject);
procedure BackColorMenuClick(Sender: TObject);
procedure ClipTrackChange(Sender: TObject);
procedure CloseMenuClick(Sender: TObject);
procedure CloseNodesMenuClick(Sender: TObject);
procedure CloseOverlaysMenuClick(Sender: TObject);
procedure CloseTracksMenuClick(Sender: TObject);
procedure CollapseToolPanelBtnClick(Sender: TObject);
procedure CopyMenuClick(Sender: TObject);
procedure DepthLabelClick(Sender: TObject);
procedure DisplayMenuClick(Sender: TObject);
procedure ElevationLabelClick(Sender: TObject);
procedure ErrorTimerTimer(Sender: TObject);
procedure GLBoxMouseWheel(Sender: TObject; Shift: TShiftState;
WheelDelta: Integer; MousePos: TPoint; var Handled: Boolean);
procedure LUTdropChange(Sender: TObject);
procedure NodePrefChange(Sender: TObject);
procedure OrientCubeMenuClick(Sender: TObject);
procedure OverlayTimerStart;
procedure AdjustFormPos (var lForm: TForm);
procedure OverlayBoxCreate;
procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
procedure FormCreate(Sender: TObject);
procedure AppDropFiles(Sender: TObject; const FileNames: array of String);
procedure CreateRender(w,h: integer; isToScreen: boolean);
procedure GLboxPaint(Sender: TObject);
procedure GLboxMouseMove(Sender: TObject; Shift: TShiftState; lX, lY: Integer);
procedure GLboxMouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; lX, lY: Integer);
procedure GLboxMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; lX, lY: Integer);
procedure ObjectColorMenuClick(Sender: TObject);
procedure OpenMenuClick(Sender: TObject);
procedure OverlayTimerTimer(Sender: TObject);
procedure OverlayVisible(lOverlay: integer; lVisible: integer);
procedure OverlayInvert(lOverlay: integer; lInvert: boolean);
procedure PrefMenuClick(Sender: TObject);
{$IFDEF LCLCocoa}
procedure SetRetina;
procedure SetDarkMode;
{$ENDIF}
procedure QuickColorClick(Sender: TObject);
procedure ExitMenuClick(Sender: TObject);
procedure ResetMenuClick(Sender: TObject);
procedure RestrictEdgeMenuClick(Sender: TObject);
procedure RestrictHideNodesWithoutEdgesClick(Sender: TObject);
procedure RestrictMenuClick(Sender: TObject);
procedure ReverseFacesMenuClick(Sender: TObject);
procedure SaveBitmap(FilenameIn: string); overload;
procedure SaveBitmap(FilenameIn: string; lX, lY: integer); overload;
procedure SaveMenuClick(Sender: TObject);
procedure SaveMz3(var mesh: TMesh; isSaveOverlays: boolean);
procedure SaveTrack (var lTrack: TTrack);
function SaveMeshCore(lFilename: string): boolean;
procedure SaveMesh(var mesh: TMesh; isSaveOverlays: boolean);
procedure SaveMeshMenuClick(Sender: TObject);
procedure SaveTracksMenuClick(Sender: TObject);
procedure ScalarDropChange(Sender: TObject);
function ScreenShot(lForceRedraw: boolean = false): TBitmap;
function ScreenShotX1: TBitmap;
procedure ScriptMenuClick(Sender: TObject);
procedure SetOverlayTransparency(Sender: TObject);
procedure ShaderBoxResize(Sender: TObject);
procedure ShaderDropChange(Sender: TObject);
procedure ShowmessageError(s: string);
procedure GLboxRequestUpdate(Sender: TObject);
procedure SimplifyMeshMenuClick(Sender: TObject);
procedure SimplifyTracksMenuClick(Sender: TObject);
procedure StringGrid1EditingDone(Sender: TObject);
procedure StringGrid1Enter(Sender: TObject);
procedure SurfaceAppearanceChange(Sender: TObject);
procedure ReadCell (ACol,ARow: integer; Update: boolean);
procedure StringGrid1DrawCell(Sender: TObject; aCol, aRow: Integer;
aRect: TRect; aState: TGridDrawState);
procedure StringGrid1Exit(Sender: TObject);
procedure StringGrid1KeyPress(Sender: TObject; var Key: char);
procedure StringGrid1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure StringGrid1SelectCell(Sender: TObject; aCol, aRow: Integer;
var CanSelect: Boolean);
procedure SwapYZMenuClick(Sender: TObject);
procedure TrackBoxChange(Sender: TObject);
procedure TrackScalarRangeBtnClick(Sender: TObject);
procedure UniformChange(Sender: TObject);
procedure UpdateTimerTimer(Sender: TObject);
procedure UpdateImageIntensity;
procedure UpdateLUT(lOverlay,lLUTIndex: integer; lChangeDrop: boolean);
function ComboBoxName2Index(var lCombo: TComboBox; lName: string): integer;
procedure SetDistance(Distance: single);
procedure OVERLAYMINMAX (lOverlay: integer; lMin,lMax: single);
procedure OVERLAYCOLORNAME(lOverlay: integer; lFilename: string);
procedure UpdateOverlaySpread;// (lIndex: integer);
//procedure SetOrtho (w,h: integer; isMultiSample: boolean);
procedure AddMRU(lFilename: string);
procedure UpdateMRU;
procedure CreateMRU;
procedure OpenMRU(Sender: TObject);//open template or MRU
procedure UpdateToolbar;
procedure MultiPassRenderingToolsUpdate;
procedure VolumeToMeshMenuClick(Sender: TObject);
procedure ShaderForBackgroundOnlyClick(Sender: TObject);
procedure GLInvalidate;
private
{ private declarations }
public
{ public declarations }
end;
var
GLForm1: TGLForm1;
gCube : TGLCube;
gClrbar: TGLClrbar;
gPrefs : TPrefs;
gElevation : integer =20;
gAzimuth : integer = 250;
gMesh: TMesh;
implementation
//{$IFDEF COREGL}
{$IFDEF LCLcarbon}
This program does not support Carbon
Please choose Project/ProjectOptions, go to the CompilerOptions/Additions&Overrides and set the BuildMode pull-down to "MacOS"
{$ENDIF}
//{$ENDIF}
{$R *.lfm}
{$IFDEF LCLCocoa}
uses
UserNotification, nsappkitext, glcocoanscontext;
{$ENDIF}
var
gNode: TMesh;
gTrack: TTrack;
gnLUT: integer = 0;
isBusy: boolean = true;
{$IFDEF Darwin}gRetinaScale : single = 1;{$ENDIF}
gDistance : single = 1;
gMouseX : integer = -1;
gMouseY : integer = -1;
GLerror : string = '';
clipPlane : TPoint4f; //clipping bottom
GLbox: TOpenGLControl;
const
kFname=0;
kLUT=1;
kMin=2;
kMax=3;
kTrackFilter = 'Camino, VTK, MRTrix, Quench, TrakVis, DTIstudio|*.Bfloat;*.Bfloat.gz;*.trk.gz;*.trk;*.tck;*.pdb;*.fib;*.vtk;*.dat|Any file|*.*';
{$IFDEF LCLCocoa}
procedure TGLForm1.SetDarkMode;
begin
setThemeMode(Self.Handle, gPrefs.DarkMode);
if gPrefs.DarkMode then begin
//MosaicText.Color := clGray;
Memo1.Color := clGray;
StringGrid1.Color := clGray;
StringGrid1.AlternateColor:= clGray;
StringGrid1.FixedColor:= clBlack;
end else begin
//MosaicText.Color:= clDefault;
Memo1.Color := Graphics.clDefault;
StringGrid1.Color := Graphics.clWindow;
StringGrid1.AlternateColor:= Graphics.clWindow;
StringGrid1.FixedColor:= Graphics.clBtnFace;
end;
end;
procedure TGLForm1.SetRetina;
begin
(*if gPrefs.RetinaDisplay then
GLBox.Options := [ocoMacRetinaMode]
else
GLBox.Options := [];
GLBox.MultiSampling:=GLBox.MultiSampling;
*)
LSetWantsBestResolutionOpenGLSurface(gPrefs.RetinaDisplay, GLBox.Handle);
//GLBox.WantsBestResolutionOpenGLSurface:=gPrefs.RetinaDisplay;
if (GLbox.Height < 1) or (GLBoxBackingHeight <= GLbox.Height) then
gRetinaScale := 1
else
gRetinaScale := GLBoxBackingHeight/GLbox.Height;
end;
procedure SetFormDarkMode(var f: TForm);
begin
f.PopupMode:= pmAuto;
f.HandleNeeded;
setThemeMode(f.Handle, true);
end;
procedure Mouse2Retina(var X,Y: integer);
begin
if not gPrefs.RetinaDisplay then exit;
X := round(X * gRetinaScale);
Y := round(Y * gRetinaScale);
end;
{$ELSE}
procedure Mouse2Retina(var X,Y: integer);
begin
//Retina display is MacOS feature
end;
{$ENDIF}
function FindFileExt(Filename: string): string;
var
p,n,x: string;
i : integer;
searchResult : TSearchRec;
begin
result := Filename;
if FileExistsF(result) then exit;
FilenameParts (Filename, p,n,x);
//try location of last meshes
for i := 1 to knMRU do begin
p := ExtractFilePath(gPrefs.PrevFilename[i]);
if p = '' then continue;
result := p+n+x;
if FileExistsF(result) then exit;
end;
//try location of last overlay
p := ExtractFilePath(gPrefs.PrevOverlayname);
result := p+n+x;
if FileExistsF(result) then exit;
//try location of last track
p := ExtractFilePath(gPrefs.PrevTrackname);
result := p+n+x;
if FileExistsF(result) then exit;
//try location of last node
p := ExtractFilePath(gPrefs.PrevNodename);
result := p+n+x;
if FileExistsF(result) then exit;
//try location of last script
p := ExtractFilePath(gPrefs.PrevScript);
result := p+n+x;
if FileExistsF(result) then exit;
//try application directory
p := AppDir2;
result := p+n+x;
if FileExistsF(result) then exit;
result := DefaultToHomeDir(n+x); //set path to home if not provided
if FileExistsF(result) then exit;
SetCurrentDir(p);
if findfirst('*', faDirectory, searchResult) = 0 then begin
repeat
// Only show directories
if (searchResult.attr and faDirectory) = faDirectory then begin
//ShowMessage('Directory = '+searchResult.Name);
result := p+ searchResult.Name + pathdelim+n+x;
if FileExistsF(result) then begin
FindClose(searchResult);
exit;
end;
end;
until FindNext(searchResult) <> 0;
// Must free up resources used by these successful finds
FindClose(searchResult);
end;
result := ''; //failed!
end;
function FindFile(Filename: string): string;
var
p,n,x: string;
begin
result := FindFileExt(Filename);
if result <> '' then exit;
FilenameParts (Filename, p,n,x); // if user selects 'jhu' then open 'jhu.mz3'
if x <> '' then exit;
result := FindFileExt(ChangeFileExt(Filename,'.mz3'));
if result <> '' then exit;
result := FindFileExt(ChangeFileExt(Filename,'.gii'));
if result <> '' then exit;
result := FindFileExt(ChangeFileExt(Filename,'.ply'));
if result <> '' then exit;
result := FindFileExt(ChangeFileExt(Filename,'.obj'));
//if result <> '' then exit;*)
end;
procedure TGLForm1.GLInvalidate;
begin
GLBox.Invalidate;
end;
function TGLForm1.GLBoxBackingWidth: integer;
begin
{$IFDEF LCLCocoa}
result := Round(GLBox.Width * LBackingScaleFactor(GLBox.Handle));
{$ELSE}
result := GLBox.Width;
{$ENDIF}
end;
procedure TGLForm1.FormChangeBounds(Sender: TObject);
{$IFDEF LCLCocoa} var lprev: single; {$ENDIF}
begin
{$IFDEF LCLCocoa}
if (gPrefs.RetinaDisplay) then begin //detect if window moved between retina and non-retina display
lprev := gRetinaScale;
SetRetina;
if (lprev <> gRetinaScale) then
GLBox.Invalidate;
//GLboxResize(Sender);
end;
{$ENDIF}
end;
procedure TGLForm1.ClrbarClr(i: integer);
begin
if (i < 1) or (i > 4) then i := 4;
gPrefs.ColorbarColor:= i;
Case i of
1: begin
gClrbar.BackColor := (RGBA(255,255,255,255));
gClrbar.FontColor := (RGBA(0,0,0,255));
end;
2: begin
gClrbar.BackColor := (RGBA(255,255,255,168));
gClrbar.FontColor := (RGBA(0,0,0,255));
end;
3: begin
gClrbar.BackColor := (RGBA(0,0,0,255));
gClrbar.FontColor := (RGBA(255,255,255,255));
end;
else begin
gClrbar.BackColor := (RGBA(0,0,0,168));
gClrbar.FontColor := (RGBA(255,255,255,255));
end;
end;
end;
procedure TGLForm1.ClrbarMenuClick(Sender: TObject);
begin
ClrbarClr((sender as TMenuItem).Tag);
GLBox.Invalidate;
end;
procedure TGLForm1.GLboxDblClick(Sender: TObject);
begin
gPrefs.ColorBarPosition := gPrefs.ColorBarPosition + 1;
SetColorbarPosition;
GLbox.invalidate;
//caption := 'doubleclick'+inttostr(random(888)); //1/2018: Cocoa generates dblClicks for single clicks
end;
procedure TGLForm1.ColorBarVisibleMenuClick(Sender: TObject);
begin
gPrefs.Colorbar := not gPrefs.Colorbar;
ColorBarVisibleMenu.Checked := gPrefs.Colorbar;
GLBox.Invalidate;
end;
function TGLForm1.GLBoxBackingHeight: integer;
begin
{$IFDEF LCLCocoa}
result := Round(GLBox.Height * LBackingScaleFactor(GLBox.Handle));
{$ELSE}
result := GLBox.Height;
{$ENDIF}
end;
procedure TGLForm1.MultiPassRenderingToolsUpdate;
var
lBetter: boolean;
begin
lBetter := (gPrefs.RenderQuality <> kRenderPoor) and (gPrefs.SupportBetterRenderQuality);
AOLabel.Visible:= lBetter;
occlusionTrack.Visible:= lBetter;
ShaderForBackgroundOnlyCheck.Visible:= lBetter;
MeshBlendTrack.Visible:= lBetter;
meshAlphaTrack.visible := lBetter;
end;
procedure TGLForm1.VolumeToMeshMenuClick(Sender: TObject);
const
{$IFDEF FOREIGNVOL}
//kVolFilter = 'NIfTI volume|*.hdr;*.nii;*nii.gz';
kVolFilter = 'Neuroimaging (*.nii)|*.hdr;*.nii;*.nii.gz;*.voi;*.HEAD;*.mgh;*.mgz;*.mha;*.mhd;*.nhdr;*.nrrd';
{$ELSE}
kVolFilter = 'NIfTI volume|*.hdr;*.nii;*nii.gz';
{$ENDIF}
begin
OpenDialog.Filter := kVolFilter;
OpenDialog.Title := 'Select volume to convert';
if not OpenDialog.Execute then exit;
if (sender as TMenuItem).tag = 1 then
Atlas2Mesh(OpenDialog.FileName)
else
Nii2Mesh(OpenDialog.FileName);
end;
procedure TGLForm1.ShaderForBackgroundOnlyClick(Sender: TObject);
begin
gPrefs.ShaderForBackgroundOnly := ShaderForBackgroundOnlyCheck.Checked;
//ShaderForBackgroundOnlyCheck.Checked := gPrefs.ShaderForBackgroundOnly ;
GLBoxRequestUpdate(nil);
end;
function meshBackgroundOpen: boolean;
//returns true if a mesh is open as an overlay
// returns false if there are no overlays or if they are vertex colors
var lI: integer;
begin
result := false;
if (gMesh.OpenOverlays < 1) then exit;
for lI := 1 to gMesh.OpenOverlays do
if length(gMesh.overlay[lI].faces) > 1 then
result := true;
end;
procedure TGLForm1.UpdateToolbar;
begin
BackgroundBox.Visible := (length(gNode.nodes) > 0) or (gTrack.n_count > 0) or ((gMesh.OpenOverlays > 0) and (meshBackgroundOpen));
NodeBox.Visible:= (length(gNode.nodes) > 0) ;
if (length(gNode.edges) > 0) and (EdgeBox.Visible = false) and (BackgroundBox.Visible) then begin
//this keeps node and edge boxes next to each other
// executed when node is opened (which displays the background) and then edge is opened
BackgroundBox.Visible := false;
EdgeBox.Visible := true;
BackgroundBox.Visible := true;
end;
EdgeBox.Visible:= (length(gNode.edges) > 0) ;
TrackBox.Visible:= (gTrack.n_count > 0);
OverlayBox.Visible := (gMesh.OpenOverlays > 0);
MeshColorBox.Visible := (length(gMesh.vertexRGBA) > 0);
gnLUT := -1; //refresh colorbar
Memo1.Lines.clear;
end; //UpdateToolbar()
function TGLForm1.OpenNode(FilenameIn: string): boolean;
var
FileName, edgename: string;
begin
result := false;
Filename := FindFile(FileNameIn);
if Filename = '' then exit;
if not gNode.LoadFromFile(FileName) then exit;
result := true;
gPrefs.PrevNodename := FileName;
NodeBox.Visible:= true;
if gNode.NodePrefs.isNodeThresholdBySize then begin
NodeThreshDrop.ItemIndex := 0; //threshold by size
NodeMinEdit.Value:=gNode.NodePrefs.minNodeSize;
NodeMaxEdit.Value:=gNode.NodePrefs.maxNodeSize;
end else begin
NodeThreshDrop.ItemIndex := 1; //threshold by color
NodeMinEdit.Value:=gNode.NodePrefs.minNodeColor;
NodeMaxEdit.Value:=gNode.NodePrefs.maxNodeColor;
end;
gNode.nodePrefs.minNodeThresh := NodeMinEdit.value;
gNode.nodePrefs.maxNodeThresh := NodeMaxEdit.value;
edgename := ChangeFileExt(FileName, '.edge');
if fileexists(edgename) then
OpenEdge(edgename);
OpenDialog.InitialDir:= ExtractFileDir(FileName);
UpdateToolbar;
GLBoxRequestUpdate(nil);
end;
procedure TGLForm1.MeshColorBoxChange(Sender: TObject);
begin
gMesh.vertexRgbaAlpha := MeshTransparencyTrack.Position / MeshTransparencyTrack.Max;
gMesh.vertexRgbaSaturation := MeshSaturationTrack.Position / MeshSaturationTrack.Max;
gMesh.isRebuildList:= true;
GLBoxRequestUpdate(nil);
end;
procedure TGLForm1.AdditiveOverlayMenuClick(Sender: TObject);
var
i: integer;
isIntensityOverlay: boolean;
begin
gPrefs.AdditiveOverlay := AdditiveOverlayMenu.Checked;
if gMesh.OpenOverlays < 1 then exit;
isIntensityOverlay := false;
for i := gMesh.OpenOverlays downto 1 do
if length(gMesh.overlay[i].intensity) > 1 then
isIntensityOverlay := true;
if (not isIntensityOverlay) and (gPrefs.AdditiveOverlay) then begin
Memo1.Lines.Clear;
Memo1.lines.add('Hint: Additive effect only influences painted surfaces, not meshes');
end;
OverlayTimerStart;
end;
function TGLForm1.OpenEdge(FilenameIn: string): boolean;
var
Filename, ext, nodename: string;
begin
result := false;
Filename := FindFile(FilenameIn);
if Filename = '' then exit;
result := true;
ext := UpperCase(ExtractFileExt(Filename));
setlength(gNode.edges,0); //clear edges array
if (ext = '.NODEZ') or (ext = '.NODE') or (length(gNode.nodes) < 1) then begin
nodename := ChangeFileExt(FileName, '.node');
if fileexists(nodename) then begin
OpenNode(nodename);
UpdateToolbar;
exit;
end;
end;
if length(gNode.edges) < 1 then //only if edges not loaded by openNode
if not gNode.LoadEdge(Filename, false) then exit;
UpdateToolbar;
edgeMinEdit.Value := 0;
edgeMaxEdit.Value := gNode.nodePrefs.maxEdgeAbs;
OpenDialog.InitialDir:= ExtractFileDir(FileName);
GLBoxRequestUpdate(nil);
end;
function TGLForm1.OpenOverlay(FilenameIn: string): boolean;
var
Filename: string;
begin
//StringGrid1.Col := 3;
result := false;
Filename := FindFile(FilenameIn);
if Filename = '' then exit;
if not gMesh.LoadOverlay(FileName, gPrefs.SmoothVoxelwiseData) then begin //gPrefs.SmoothVoxelwiseData
GLBoxRequestUpdate(nil);
UpdateToolbar;
exit;
end;
result := true;
gPrefs.PrevOverlayname := FileName;
OpenDialog.InitialDir:= ExtractFileDir(FileName);
StringGrid1.RowCount := gMesh.OpenOverlays+1;
StringGrid1.Col := kMin;
//Caption := format('%g..%g',[gMesh.overlay[gMesh.OpenOverlays].minIntensity, gMesh.overlay[gMesh.OpenOverlays].maxIntensity]);
UpdateToolbar;
UpdateOverlaySpread;
end;
function TGLForm1.OpenTrack(FilenameIN: string): boolean;
var
Filename: string;
i: integer;
begin
result := false;
Filename := FindFile(FilenameIN);
if Filename = '' then exit;
if (gTrack.LoadFromFile(FileName)) and (gTrack.n_count > 0) then begin
result := true;
OpenDialog.InitialDir:= ExtractFileDir(FileName);
gPrefs.PrevTrackname := FileName;
if (gTrack.maxObservedFiberLength * 0.5) < TrackLengthTrack.Position then
TrackLengthTrack.Position := round(gTrack.maxObservedFiberLength * 0.5);
end;
if (length(gTrack.scalars) > 0) then begin
{$IFDEF LCLcocoa}
TrackBox.Height := 135;
{$ELSE}
TrackBox.ClientHeight := TrackScalarNameDrop.Top + TrackScalarNameDrop.Height + 2;
{$ENDIF}
TrackScalarNameDrop.Items.Clear;
TrackScalarNameDrop.Items.Add('Direction');
for i := 0 to (length(gTrack.scalars) -1) do
TrackScalarNameDrop.Items.Add(gTrack.scalars[i].name);
TrackScalarNameDrop.ItemIndex := 0;
TrackScalarLUTdrop.ItemIndex := 1;
TrackScalarLUTdrop.Enabled := false;
TrackScalarRangeBtn.Enabled := false;
end else
{$IFDEF LCLcocoa}
TrackBox.Height := 105;
{$ELSE}
TrackBox.ClientHeight := TrackDitherTrack.Top + TrackDitherTrack.Height;
{$ENDIF}
UpdateToolbar;
GLBoxRequestUpdate(nil);
end;
function isVtkMesh (filename: string): boolean; //vtk files can be tracks (" LINES" ->Tracks/Open) or meshes ("POLYGONS " -> File/Open, Overlay/Open)
var
f: file;
Str: string;
szRead: integer;
begin
result := false;
if not fileexistsF(filename) then exit;
FileMode := fmOpenRead;
AssignFile(f, FileName);
Reset(f,1);
FileMode := fmOpenRead;
szRead := FileSize(f);
SetLength(Str, szRead);
BlockRead(f, Str[1],szRead);
CloseFile(f);
if (pos('POLYGONS ', Str) > 0) then result := true; //faces
if (pos('TRIANGLE_STRIPS ', Str) > 0) then result := true; //faces
end;
function isGiiMesh (filename: string): boolean;
//returns true if file is a valid mesh (faces+vertices), returns false if overlay map
var
f: file;
Str: string;
szRead: integer;
begin
result := false;
if not fileexistsF(filename) then exit;
result := true;
AssignFile(f, FileName);
Reset(f,1);
FileMode := fmOpenRead;
szRead := FileSize(f);
SetLength(Str, szRead);
BlockRead(f, Str[1],szRead);
CloseFile(f);
if (pos('Intent="NIFTI_INTENT_TRIANGLE"', Str) > 0) then exit; //faces
if (pos('Intent="NIFTI_INTENT_POINTSET"', Str) > 0) then exit; //vertices
result := false;
end;
function isMz3Mesh (filename: string): boolean;
//returns true if file is a valid mesh (faces+vertices), returns false if overlay map
const
kMagic = 23117; //"MZ"
kChunkSize = 16;
label 666;
var
i: integer;
Magic, Attr: uint16;
nFace, nVert: uint32;
isFace, isVert: boolean;
mStream : TMemoryStream;
zStream: TGZFileStream;
bytes : array of byte;
begin
result := false;
if not fileexistsF(Filename) then exit;
mStream := TMemoryStream.Create;
zStream := TGZFileStream.create(FileName, gzopenread);
setlength(bytes, kChunkSize);
i := zStream.read(bytes[0],kChunkSize);
mStream.Write(bytes[0],i) ;
if i < kChunkSize then goto 666;
mStream.Position := 0;
mStream.Read(Magic,2);
mStream.Read(Attr,2);
mStream.Read(nFace,4);
mStream.Read(nVert,4);
if (magic <> kMagic) then goto 666;
isFace := (Attr and 1) > 0;
isVert := (Attr and 2) > 0;
result := (nFace > 0) and (nVert > 0) and (isFace) and (isVert);
666 :
zStream.Free;
mStream.Free;
end; //isMz3Mesh
function TGLForm1.OpenMesh(FilenameIN: string): boolean;
var
Filename, curvname, ext: string;
begin
result := false;
if FilenameIN <> '-' then
Filename := FindFile(FilenameIN)
else
Filename := FilenameIN;
if Filename = '' then exit;
result := true;
ext := ExtractFileExtGzUpper(Filename);
if (ext = '.GLS') then begin
ScriptForm.Show;
if ScriptForm.OpenScript(Filename) then
ScriptForm.Compile1Click(nil);
exit;
end;
//ext := UpperCase(ExtractFileExt(Filename));
if (ext = '.NII') or (ext = '.HDR') or (ext = '.NII.GZ') or (ext = '.DPV') or (ext = '.ANNOT') or (ext = '.W') or (ext = '.CURV') then begin
OpenOverlay(Filename);
exit;
end else if (ext = '.VTK') and (not isVtkMesh (Filename)) then begin
OpenTrack(Filename); //.vtk files can be either meshes or tracks - autodetect
exit;
end else if (length(gMesh.Faces) > 0) and (ext = '.MZ3') and (not isMz3Mesh (Filename)) then begin
OpenOverlay(Filename); //GIfTI files can be meshes or overlays - autodetect
exit;
end else if (length(gMesh.Faces) > 0) and (ext = '.GII') and (not isGiiMesh (Filename)) then begin
OpenOverlay(Filename); //GIfTI files can be meshes or overlays - autodetect
exit;
end else if (ext = '.DAT') or (ext = '.TRK') or (ext = '.TRK.GZ') or (ext = '.FIB') or (ext = '.PDB') or (ext = '.TCK') or (ext = '.BFLOAT') or (ext = '.BFLOAT.GZ') then begin
OpenTrack(Filename);
exit;
end else if (ext = '.EDGE') then begin
OpenEdge(Filename);
exit;
end else if (ext = '.NODE') or (ext = '.NODZ') then begin
OpenNode(Filename);
exit;
end;
if (ssShift in KeyDataToShiftState(vk_Shift)) then begin
OpenOverlay(Filename);
exit;
end;
CloseOverlaysMenuClick(nil);
CloseTracksMenuClick(nil);
CloseNodesMenuClick(nil);
if not gMesh.LoadFromFile(Filename) then begin //only add successful loads to MRU
UpdateToolbar;
GLBoxRequestUpdate(nil);
exit;
end;
OpenDialog.InitialDir:= ExtractFileDir(Filename);
UpdateToolbar;
if gMesh.OpenOverlays > 0 then begin //e.g. MZ3 with both MESH and SCALAR intensity
StringGrid1.RowCount := gMesh.OpenOverlays+1;
UpdateOverlaySpread;
end;
AddMRU(Filename);
//if gMesh.isFreeSurferMesh then begin
curvname := changefileext(Filename, '.curv');
if fileexistsF(curvname) then
OpenOverlay(curvname);
//end;
GLBoxRequestUpdate(nil);
end;
procedure TGLForm1.OpenMRU(Sender: TObject);//open template or MRU
begin
OpenMesh(gPrefs.PrevFilename[(sender as TMenuItem).tag]);
end;
procedure TGLForm1.CreateMRU;
var
lPos : integer;
NewItem: TMenuItem;
begin
for lPos := 1 to knMRU do begin
NewItem := TMenuItem.Create(FileMenu);
NewItem.Caption :='';//(ParseFileName(ExtractFileName(lFName)));
NewItem.Tag := lPos;
NewItem.onclick := OpenMRU; //Lazarus
NewItem.Visible := false;
{$IFDEF Darwin}
NewItem.ShortCut := ShortCut(Word('1')+ord(lPos-1), [ssMeta]);
{$ELSE}
NewItem.ShortCut := ShortCut(Word('1')+ord(lPos-1), [ssCtrl]);
{$ENDIF}
FileMenu.Add(NewItem);
end;//for each MRU
end;
procedure TGLForm1.UpdateMRU;//most-recently-used RestrictMenu
var
lCount, lPos : integer;
begin
lCount := FileMenu.IndexOf(FileSepMenu);
for lPos := 1 to knMRU do begin
if gPrefs.PrevFilename[lPos] <> '' then begin
FileMenu.Items[lCount + lPos].Visible:= true;
FileMenu.Items[lCount + lPos].Caption:= ExtractFileName(gPrefs.PrevFilename[lPos]);
end else
FileMenu.Items[lCount + lPos].Visible:= false;
end;//for each MRU
end; //UpdateMRU
procedure TGLForm1.AddMRU(lFilename: string);