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unit CropEdges;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, ExtCtrls,
Spin, Buttons,nifti_img,define_types;
type
{ TCropEdgeForm }
TCropEdgeForm = class(TForm)
ApplyBtn: TSpeedButton;
CropFileSzBtn: TSpeedButton;
CancelBtn: TSpeedButton;
Timer1: TTimer;
DEdit: TSpinEdit;
PEdit: TSpinEdit;
AEdit: TSpinEdit;
VEdit: TSpinEdit;
REdit: TSpinEdit;
LEdit: TSpinEdit;
procedure ApplyCrop;
procedure ApplyCrop2Img;
procedure ApplyBtnClick(Sender: TObject);
procedure CancelBtnClick(Sender: TObject);
procedure CropEditChange(Sender: TObject);
procedure CropFileSzBtnClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormHide(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure Timer1Timer(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
end;
var
CropEdgeForm: TCropEdgeForm;
implementation
uses
nifti_img_view, crop;
{ TCropEdgeForm }
procedure TCropEdgeForm.ApplyBtnClick(Sender: TObject);
begin
CropEdgeForm.ModalResult := mrOK;
CropEdgeForm.close;
end;
procedure TCropEdgeForm.CancelBtnClick(Sender: TObject);
begin
CropEdgeForm.close;
end;
procedure TCropEdgeForm.CropEditChange(Sender: TObject);
begin
if not CropEdgeForm.visible then exit;
Timer1.Enabled := true;
end;
procedure TCropEdgeForm.CropFileSzBtnClick(Sender: TObject);
var
lV,lD,lA,lP,lL,lR: integer;
begin
lV := VEdit.value;
lD := DEdit.value;
lL := LEdit.value;
lR := REdit.value;
lA := AEdit.value;
lP := PEdit.value;
CropNIfTI(lL,lR,lA,lP,lD,lV);
end;
procedure TCropEdgeForm.FormCreate(Sender: TObject);
begin
end;
procedure TCropEdgeForm.FormHide(Sender: TObject);
begin
UndoVolVOI;
if not (CropEdgeForm.ModalResult = mrCancel) then
ApplyCrop2Img
else
ImgForm.RefreshImagesTimer.Enabled := true;
end;
procedure TCropEdgeForm.FormShow(Sender: TObject);
begin
EnsureVOIOpen;
CreateUndoVol;
CropEdgeForm.ModalResult := mrCancel;
CropEditChange(nil);
end;
procedure TCropEdgeForm.ApplyCrop2Img;
var
lZLo,lZHi,lXLo,lXHi,lYLo,lYHi,lPos,lX,lY,lZ: integer;
l32Buf : SingleP;
l16Buf : SmallIntP;
begin
if (gMRIcroOverlay[kBGOverlayNum].ImgBufferItems<1) then exit;
if (gBGImg.ScrnDim[1]*gBGImg.ScrnDim[2]*gBGImg.ScrnDim[3]) <> gMRIcroOverlay[kBGOverlayNum].ImgBufferItems then begin
Showmessage('Can not crop edges of a rotated image.');
exit;
end;
lXlo := round(LEdit.value);
lXHi := gBGImg.ScrnDim[1] - round(REdit.value);
lYlo := round(PEdit.value);
lYHi := gBGImg.ScrnDim[2] - round(AEdit.value);
lZLo := round(VEdit.value);
lZHi := gBGImg.ScrnDim[3] - round(DEdit.value);
lPos := 0;
case gMRIcroOverlay[kBGOverlayNum].ImgBufferBPP of
1: begin
for lZ := 1 to gBGImg.ScrnDim[3] do
for lY := 1 to gBGImg.ScrnDim[2] do
for lX := 1 to gBGImg.ScrnDim[1] do begin
inc(lPos);
if (lZ >= lZHi) or (lZ <= lZLo) or(lY >= lYHi) or (lY <= lYLo) or (lX >= lXHi) or (lX <= lXLo) then
gMRIcroOverlay[kBGOverlayNum].ImgBuffer^[lPos] := 0;
end; //for X
end;
2: begin
l16Buf := SmallIntP(gMRIcroOverlay[kBGOverlayNum].ImgBuffer );
for lZ := 1 to gBGImg.ScrnDim[3] do
for lY := 1 to gBGImg.ScrnDim[2] do
for lX := 1 to gBGImg.ScrnDim[1] do begin
inc(lPos);
if (lZ >= lZHi) or (lZ <= lZLo) or(lY >= lYHi) or (lY <= lYLo) or (lX >= lXHi) or (lX <= lXLo) then
l16Buf^[lPos] := 0;
end; //for X
end;
4: begin
l32Buf := SingleP(gMRIcroOverlay[kBGOverlayNum].ImgBuffer );
for lZ := 1 to gBGImg.ScrnDim[3] do
for lY := 1 to gBGImg.ScrnDim[2] do
for lX := 1 to gBGImg.ScrnDim[1] do begin
inc(lPos);
if (lZ >= lZHi) or (lZ <= lZLo) or(lY >= lYHi) or (lY <= lYLo) or (lX >= lXHi) or (lX <= lXLo) then
l32Buf^[lPos] := 0;
end; //for X
end;
else begin showmessage('Unsupported data type'); end
end; //case
ImgForm.RescaleImagesTimer.Enabled := true;
end;
procedure TCropEdgeForm.ApplyCrop;
var
lZLo,lZHi,lXLo,lXHi,lYLo,lYHi,lPos,lX,lY,lZ: integer;
begin
if (gMRIcroOverlay[kBGOverlayNum].ScrnBufferItems<1) or (gMRIcroOverlay[kBGOverlayNum].ScrnBufferItems<>gBGImg.VOIUndoVolItems) then exit;
if gBGImg.VOIUndoVolItems <> gMRIcroOverlay[kVOIOverlayNum].ScrnBufferItems then exit;
if (gBGImg.ScrnDim[1]*gBGImg.ScrnDim[2]*gBGImg.ScrnDim[3]) <> gMRIcroOverlay[kBGOverlayNum].ScrnBufferItems then exit;
//CreateUndoVol;
//Move(gBGImg.VOIUndoVol^,gMRIcroOverlay[kVOIOverlayNum].ScrnBuffer^,gBGImg.VOIUndoVolItems);
FillChar(gMRIcroOverlay[kVOIOverlayNum].ScrnBuffer^,gBGImg.VOIUndoVolItems,0);
lXlo := round(LEdit.value);
lXHi := gBGImg.ScrnDim[1] - round(REdit.value);
lYlo := round(PEdit.value);
lYHi := gBGImg.ScrnDim[2] - round(AEdit.value);
lZLo := round(VEdit.value);
lZHi := gBGImg.ScrnDim[3] - round(DEdit.value);
lPos := 0;
for lZ := 1 to gBGImg.ScrnDim[3] do begin
for lY := 1 to gBGImg.ScrnDim[2] do begin
for lX := 1 to gBGImg.ScrnDim[1] do begin
inc(lPos);
if (lZ >= lZHi) or (lZ <= lZLo) or(lY >= lYHi) or (lY <= lYLo) or (lX >= lXHi) or (lX <= lXLo) then
gMRIcroOverlay[kVOIOverlayNum].ScrnBuffer^[lPos] := kVOI8bit;
end; //for X
end; //for Y
end; //for Z
//gBGImg.VOIchanged := true;
ImgForm.RefreshImagesTimer.enabled := true;
end;
procedure TCropEdgeForm.Timer1Timer(Sender: TObject);
begin
Timer1.Enabled := false;
ApplyCrop;
end;
initialization
{$I cropedges.lrs}
end.
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