vtkChartMatrix.cxx 10.2 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkChartMatrix.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 "vtkChartMatrix.h"

#include "vtkChartXY.h"
19
#include "vtkNew.h"
20
21
22
#include "vtkSmartPointer.h"
#include "vtkContext2D.h"
#include "vtkContextScene.h"
23
#include "vtkAxis.h"
24
25
26
27
28
29
30
#include "vtkObjectFactory.h"

#include <vector>

class vtkChartMatrix::PIMPL
{
public:
31
  PIMPL() : Geometry(0, 0) {}
32
33
  ~PIMPL() {}

34
  // Container for the vtkChart objects that make up the matrix.
35
  std::vector< vtkSmartPointer<vtkChart> > Charts;
36
37
  // Spans of the charts in the matrix, default is 1x1.
  std::vector< vtkVector2i > Spans;
38
39
40
41
42
  vtkVector2i Geometry;
};

vtkStandardNewMacro(vtkChartMatrix)

43
vtkChartMatrix::vtkChartMatrix() : Size(0, 0), Gutter(15.0, 15.0)
44
45
{
  this->Private = new PIMPL;
46
47
  this->Borders[vtkAxis::LEFT] = 50;
  this->Borders[vtkAxis::BOTTOM] = 40;
48
  this->Borders[vtkAxis::RIGHT] = 50;
49
  this->Borders[vtkAxis::TOP] = 40;
50
  this->LayoutIsDirty = true;
51
52
53
54
55
56
57
58
59
60
61
62
63
64
}

vtkChartMatrix::~vtkChartMatrix()
{
  delete this->Private;
}

void vtkChartMatrix::Update()
{

}

bool vtkChartMatrix::Paint(vtkContext2D *painter)
{
65
  if (this->LayoutIsDirty ||
66
67
      this->GetScene()->GetSceneWidth() != this->Private->Geometry.GetX() ||
      this->GetScene()->GetSceneHeight() != this->Private->Geometry.GetY())
68
69
70
71
    {
    // Update the chart element positions
    this->Private->Geometry.Set(this->GetScene()->GetSceneWidth(),
                                this->GetScene()->GetSceneHeight());
72
    if (this->Size.GetX() > 0 && this->Size.GetY() > 0)
73
      {
74
75
      // Calculate the increments without the gutters/borders that must be left
      vtkVector2f increments;
76
77
      increments.SetX((this->Private->Geometry.GetX() - (this->Size.GetX() - 1) *
                       this->Gutter.GetX() - this->Borders[vtkAxis::LEFT] -
78
                       this->Borders[vtkAxis::RIGHT]) /
79
80
81
                      this->Size.GetX());
      increments.SetY((this->Private->Geometry.GetY() - (this->Size.GetY() - 1) *
                       this->Gutter.GetY() - this->Borders[vtkAxis::TOP] -
82
                       this->Borders[vtkAxis::BOTTOM]) /
83
                      this->Size.GetY());
84
85
86

      float x = this->Borders[vtkAxis::LEFT];
      float y = this->Borders[vtkAxis::BOTTOM];
87
      for (int i = 0; i < this->Size.GetX(); ++i)
88
        {
89
90
        if (i > 0)
          {
91
          x += increments.GetX() + this->Gutter.GetX();
92
          }
93
        for (int j = 0; j < this->Size.GetY(); ++j)
94
          {
95
96
          if (j > 0)
            {
97
            y += increments.GetY() + this->Gutter.GetY();
98
99
100
101
102
            }
          else
            {
            y = this->Borders[vtkAxis::BOTTOM];
            }
103
104
105
106
107
108
          vtkVector2f resize(0., 0.);
          vtkVector2i key(i, j);
          if (this->SpecificResize.find(key) != this->SpecificResize.end())
            {
            resize = this->SpecificResize[key];
            }
109
          size_t index = j * this->Size.GetX() + i;
110
111
112
          if (this->Private->Charts[index])
            {
            vtkChart *chart = this->Private->Charts[index];
113
            vtkVector2i &span = this->Private->Spans[index];
114
115
            chart->SetSize(vtkRectf(x + resize.GetX(), y + resize.GetY(),
                                    increments.GetX() * span.GetX() - resize.GetX() +
116
                                    (span.GetX() - 1) * this->Gutter.GetX(),
117
                                    increments.GetY() * span.GetY() - resize.GetY() +
118
                                    (span.GetY() - 1) * this->Gutter.GetY()));
119
            }
120
121
122
          }
        }
      }
123
    this->LayoutIsDirty = false;
124
125
126
127
128
129
    }
  return Superclass::Paint(painter);
}

void vtkChartMatrix::SetSize(const vtkVector2i &size)
{
130
  if (this->Size.GetX() != size.GetX() || this->Size.GetY() != size.GetY())
131
132
    {
    this->Size = size;
133
    if (size.GetX() * size.GetY() < static_cast<int>(this->Private->Charts.size()))
134
135
      {
      for (int i = static_cast<int>(this->Private->Charts.size() - 1);
136
           i >= size.GetX() * size.GetY(); --i)
137
138
139
140
        {
        this->RemoveItem(this->Private->Charts[i]);
        }
      }
141
142
    this->Private->Charts.resize(size.GetX() * size.GetY());
    this->Private->Spans.resize(size.GetX() * size.GetY(), vtkVector2i(1, 1));
143
    this->LayoutIsDirty = true;
144
145
146
    }
}

147
148
149
150
151
152
153
154
155
void vtkChartMatrix::SetBorders(int left, int bottom, int right, int top)
{
  this->Borders[vtkAxis::LEFT] = left;
  this->Borders[vtkAxis::BOTTOM] = bottom;
  this->Borders[vtkAxis::RIGHT] = right;
  this->Borders[vtkAxis::TOP] = top;
  this->LayoutIsDirty = true;
}

156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
void vtkChartMatrix::SetBorderLeft(int value)
{
  this->Borders[vtkAxis::LEFT] = value;
  this->LayoutIsDirty = true;
}

void vtkChartMatrix::SetBorderBottom(int value)
{
  this->Borders[vtkAxis::BOTTOM] = value;
  this->LayoutIsDirty = true;
}

void vtkChartMatrix::SetBorderRight(int value)
{
  this->Borders[vtkAxis::RIGHT] = value;
  this->LayoutIsDirty = true;
}

void vtkChartMatrix::SetBorderTop(int value)
{
  this->Borders[vtkAxis::TOP] = value;
  this->LayoutIsDirty = true;
}


181
182
183
void vtkChartMatrix::SetGutter(const vtkVector2f &gutter)
{
  this->Gutter = gutter;
184
  this->LayoutIsDirty = true;
185
186
}

187
188
189
190
191
192
193
194
195
196
197
198
void vtkChartMatrix::SetGutterX(float value)
{
  this->Gutter.SetX (value);
  this->LayoutIsDirty = true;
}

void vtkChartMatrix::SetGutterY(float value)
{
  this->Gutter.SetY (value);
  this->LayoutIsDirty = true;
}

199
200
201
202
203
204
205
206
207
208
209
210
void vtkChartMatrix::SetSpecificResize(const vtkVector2i& index, const vtkVector2f& resize)
{
  this->SpecificResize[index] = resize;
  this->LayoutIsDirty = true;
}

void vtkChartMatrix::ClearSpecificResizes()
{
  this->SpecificResize.clear();
  this->LayoutIsDirty = true;
}

211
212
213
214
215
216
217
void vtkChartMatrix::Allocate()
{
  // Force allocation of all objects as vtkChartXY.
}

bool vtkChartMatrix::SetChart(const vtkVector2i &position, vtkChart *chart)
{
218
  if (position.GetX() < this->Size.GetX() && position.GetY() < this->Size.GetY())
219
    {
220
    size_t index = position.GetY() * this->Size.GetX() + position.GetX();
221
222
223
224
225
226
    if (this->Private->Charts[index])
      {
      this->RemoveItem(this->Private->Charts[index]);
      }
    this->Private->Charts[index] = chart;
    this->AddItem(chart);
227
    chart->SetLayoutStrategy(vtkChart::AXES_TO_RECT);
228
229
230
231
232
233
234
235
236
237
    return true;
    }
  else
    {
    return false;
    }
}

vtkChart* vtkChartMatrix::GetChart(const vtkVector2i &position)
{
238
  if (position.GetX() < this->Size.GetX() && position.GetY() < this->Size.GetY())
239
    {
240
    size_t index = position.GetY() * this->Size.GetX() + position.GetX();
241
242
    if (this->Private->Charts[index] == NULL)
      {
243
244
245
      vtkNew<vtkChartXY> chart;
      this->Private->Charts[index] = chart.GetPointer();
      this->AddItem(chart.GetPointer());
246
      chart->SetLayoutStrategy(vtkChart::AXES_TO_RECT);
247
248
249
250
251
252
253
254
255
      }
    return this->Private->Charts[index];
    }
  else
    {
    return NULL;
    }
}

256
257
258
bool vtkChartMatrix::SetChartSpan(const vtkVector2i& position,
                                  const vtkVector2i& span)
{
259
260
  if (this->Size.GetX() - position.GetX() - span.GetX() < 0 ||
      this->Size.GetY() - position.GetY() - span.GetY() < 0)
261
262
263
264
265
    {
    return false;
    }
  else
    {
266
    this->Private->Spans[position.GetY() * this->Size.GetX() + position.GetX()] = span;
267
    this->LayoutIsDirty = true;
268
269
270
271
272
273
    return true;
    }
}

vtkVector2i vtkChartMatrix::GetChartSpan(const vtkVector2i& position)
{
274
275
  size_t index = position.GetY() * this->Size.GetX() + position.GetX();
  if (position.GetX() < this->Size.GetX() && position.GetY() < this->Size.GetY())
276
277
278
279
280
281
282
283
284
    {
    return this->Private->Spans[index];
    }
  else
    {
    return vtkVector2i(0, 0);
    }
}

285
286
vtkVector2i vtkChartMatrix::GetChartIndex(const vtkVector2f &position)
{
287
  if (this->Size.GetX() > 0 && this->Size.GetY() > 0)
288
289
290
    {
    // Calculate the increments without the gutters/borders that must be left.
    vtkVector2f increments;
291
292
    increments.SetX((this->Private->Geometry.GetX() - (this->Size.GetX() - 1) *
                     this->Gutter.GetX() - this->Borders[vtkAxis::LEFT] -
293
                     this->Borders[vtkAxis::RIGHT]) /
294
295
296
                     this->Size.GetX());
    increments.SetY((this->Private->Geometry.GetY() - (this->Size.GetY() - 1) *
                     this->Gutter.GetY() - this->Borders[vtkAxis::TOP] -
297
                     this->Borders[vtkAxis::BOTTOM]) /
298
                     this->Size.GetY());
299
300
301

    float x = this->Borders[vtkAxis::LEFT];
    float y = this->Borders[vtkAxis::BOTTOM];
302
    for (int i = 0; i < this->Size.GetX(); ++i)
303
304
305
      {
      if (i > 0)
        {
306
        x += increments.GetX() + this->Gutter.GetX();
307
        }
308
      for (int j = 0; j < this->Size.GetY(); ++j)
309
310
311
        {
        if (j > 0)
          {
312
          y += increments.GetY() + this->Gutter.GetY();
313
314
315
316
317
          }
        else
          {
          y = this->Borders[vtkAxis::BOTTOM];
          }
318
319
320
321
322
323
        vtkVector2f resize(0., 0.);
        vtkVector2i key(i, j);
        if (this->SpecificResize.find(key) != this->SpecificResize.end())
          {
          resize = this->SpecificResize[key];
          }
324
        size_t index = j * this->Size.GetX() + i;
325
326
327
328
        if (this->Private->Charts[index])
          {
          vtkVector2i &span = this->Private->Spans[index];
          // Check if the supplied location is within this charts area.
329
330
331
332
          float x2 = x + resize.GetX();
          float y2 = y + resize.GetY();
          if (position.GetX() > x2 &&
              position.GetX() < (x2 + increments.GetX() * span.GetX() - resize.GetY()
333
                              + (span.GetX() - 1) * this->Gutter.GetX()) &&
334
335
              position.GetY() > y2 &&
              position.GetY() < (y2 + increments.GetY() * span.GetY() - resize.GetY()
336
                              + (span.GetY() - 1) * this->Gutter.GetY()))
337
338
339
340
341
342
343
344
            return vtkVector2i(i, j);
          }
        }
      }
    }
  return vtkVector2i(-1, -1);
}

345
346
347
348
void vtkChartMatrix::PrintSelf(ostream &os, vtkIndent indent)
{
  this->Superclass::PrintSelf(os, indent);
}