1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageItem.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkImageItem.h"
#include "vtkContext2D.h"
#include "vtkImageData.h"
#include "vtkObjectFactory.h"
//------------------------------------------------------------------------------
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkImageItem);
//------------------------------------------------------------------------------
vtkCxxSetObjectMacro(vtkImageItem, Image, vtkImageData);
//------------------------------------------------------------------------------
vtkImageItem::vtkImageItem()
{
this->Position[0] = this->Position[1] = 0;
this->Image = nullptr;
}
//------------------------------------------------------------------------------
vtkImageItem::~vtkImageItem()
{
this->SetImage(nullptr);
}
//------------------------------------------------------------------------------
bool vtkImageItem::Paint(vtkContext2D* painter)
{
if (this->Image)
{
int dims[3];
this->Image->GetDimensions(dims);
if (dims[0] == 0 || dims[1] == 0 || dims[2] == 0)
{
return true;
}
// Draw our image in the bottom left corner of the item
painter->DrawImage(this->Position[0], this->Position[1], this->Image);
}
return true;
}
//------------------------------------------------------------------------------
void vtkImageItem::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
VTK_ABI_NAMESPACE_END
|
