1 /*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: otherColorTransferFunction.cxx
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14 =========================================================================*/
15
16 // .NAME
17 // .SECTION Description
18 // this program tests the ColorTransferFunction
19
20 #include "vtkColorTransferFunction.h"
21 #include "vtkDebugLeaks.h"
22
23 #include <sstream>
24
Test(ostream & strm)25 int Test(ostream& strm)
26 {
27 int i, j, k;
28 vtkColorTransferFunction *ctf1 = vtkColorTransferFunction::New();
29
30 // actual test
31 strm << "Test vtkColorTransferFunction Start" << endl;
32
33 ctf1->AddRGBPoint (0.0, 1, 0, 0);
34 ctf1->AddHSVPoint (1.0, 1, 1, .6);
35 ctf1->AddRGBSegment (2.0, 1, 1, 1, 10.0, 0, 0, 0);
36 ctf1->AddHSVSegment (11.0, 1, 1, .6, 15.0, .1, .2, .3);
37 strm << *ctf1;
38
39 double rgb[3];
40 ctf1->GetColor(.5, rgb);
41 strm << "GetColor(.5) = "
42 << rgb[0] << ", " << rgb[1] << ", " << rgb[2] << endl;
43
44 strm << "GetRedValue(.5) = " << ctf1->GetRedValue(.5) << endl;
45 strm << "GetGreenValue(.5) = " << ctf1->GetGreenValue(.5) << endl;
46 strm << "GetBlueValue(.5) = " << ctf1->GetBlueValue(.5) << endl;
47
48 strm << "MapValue(12) = "
49 << (int) ctf1->MapValue(12)[0] << ", "
50 << (int) ctf1->MapValue(12)[1] << ", "
51 << (int) ctf1->MapValue(12)[2] << endl;
52
53 strm << "GetRange = "
54 << ctf1->GetRange()[0] << ","
55 << ctf1->GetRange()[1] << endl;
56
57 double table[3][256];
58
59 ctf1->GetTable(0, 15, 256, &table[0][0]);
60 strm << "GetTable(0, 15, 256, &table[0][0])" << endl;
61 for (i = 0; i < 256; i++)
62 {
63 for (j = 0; j < 3; j++)
64 {
65 strm << table[j][i] << " ";
66 }
67 strm << endl;
68 }
69
70 strm << "BuildFunctionFrom(0, 15, 256, &table[0][0])" << endl;
71 vtkColorTransferFunction *ctf2 = vtkColorTransferFunction::New();
72 ctf2->BuildFunctionFromTable(0, 15, 256, &table[0][0]);
73
74 ctf2->SetColorSpaceToRGB();
75 ctf2->GetTable(0,15,512);
76
77 ctf2->SetColorSpaceToHSV();
78 ctf2->GetTable(0,15,512);
79
80 ctf1->DeepCopy(ctf2);
81 strm << "ctf1->DeepCopy(ctf2)" << endl;
82 strm << *ctf1;
83
84 ctf1->RemovePoint (10);
85 strm << *ctf1;
86
87 ctf1->RemoveAllPoints();
88 strm << *ctf1;
89
90 char *cData = new char[128];
91 unsigned char *ucData = new unsigned char[128];
92 short *sData = new short[128];
93 unsigned short *usData = new unsigned short[128];
94 int *iData = new int[128];
95 unsigned int *uiData = new unsigned int[128];
96 long *lData = new long[128];
97 unsigned long *ulData = new unsigned long[128];
98 float *fData = new float[128];
99 double *dData = new double[128];
100
101 for (k = 0; k < 128; k++)
102 {
103 *(cData+k) = static_cast<char>(static_cast<float>(k)/255.0);
104 *(ucData+k) = static_cast<unsigned char>(static_cast<float>(k)/255.0);
105 *(sData+k) = static_cast<short>(static_cast<float>(k)/255.0);
106 *(usData+k) = static_cast<unsigned short>(static_cast<float>(k)/255.0);
107 *(iData+k) = static_cast<int>(static_cast<float>(k)/255.0);
108 *(uiData+k) = static_cast<unsigned int>(static_cast<float>(k)/255.0);
109 *(lData+k) = static_cast<long>(static_cast<float>(k)/255.0);
110 *(ulData+k) = static_cast<unsigned long>(static_cast<float>(k)/255.0);
111 *(fData+k) = static_cast<float>(static_cast<float>(k)/255.0);
112 *(dData+k) = static_cast<double>(static_cast<float>(k)/255.0);
113 }
114
115 unsigned char *ucResult = new unsigned char[128*4];
116 for (k = 1; k <= 4; k++)
117 {
118 ctf2->MapScalarsThroughTable2((void *) cData, ucResult, VTK_CHAR, 128, 1, k);
119 ctf2->MapScalarsThroughTable2((void *) ucData, ucResult, VTK_UNSIGNED_CHAR, 128, 1, k);
120 ctf2->MapScalarsThroughTable2((void *) sData, ucResult, VTK_SHORT, 128, 1, k);
121 ctf2->MapScalarsThroughTable2((void *) usData, ucResult, VTK_UNSIGNED_SHORT, 128, 1, k);
122 ctf2->MapScalarsThroughTable2((void *) iData, ucResult, VTK_INT, 128, 1, k);
123 ctf2->MapScalarsThroughTable2((void *) uiData, ucResult, VTK_UNSIGNED_INT, 128, 1, k);
124 ctf2->MapScalarsThroughTable2((void *) lData, ucResult, VTK_LONG, 128, 1, k);
125 ctf2->MapScalarsThroughTable2((void *) ulData, ucResult, VTK_UNSIGNED_LONG, 128, 1, k);
126 ctf2->MapScalarsThroughTable2((void *) fData, ucResult, VTK_FLOAT, 128, 1, k);
127 ctf2->MapScalarsThroughTable2((void *) dData, ucResult, VTK_DOUBLE, 128, 1, k);
128 }
129
130 ctf1->Delete();
131 ctf2->Delete();
132
133 delete []ucResult;
134 delete []cData;
135 delete []ucData;
136 delete []sData;
137 delete []usData;
138 delete []iData;
139 delete []uiData;
140 delete []lData;
141 delete []ulData;
142 delete []fData;
143 delete []dData;
144
145 strm << "Test vtkColorTransferFunction End" << endl;
146 return 0;
147 }
148
149
otherColorTransferFunction(int,char * [])150 int otherColorTransferFunction(int, char *[])
151 {
152 std::ostringstream vtkmsg_with_warning_C4701;
153 return Test(vtkmsg_with_warning_C4701);
154 }
155