33 #ifndef vtkOpenGLContextDevice2DPrivate_h
34 #define vtkOpenGLContextDevice2DPrivate_h
101 return this->first == other.first;
117 return std::find(this->
Cache.begin(), this->Cache.end(),
key) != this->
Cache.end();
135 typename std::list<CacheElement>::iterator it;
136 for (it = this->
Cache.begin(); it != this->Cache.end(); ++it)
138 it->second.Texture->ReleaseGraphicsResources(window);
152 if (this->
Cache.size() >= this->MaxSize)
154 this->
Cache.pop_back();
156 this->
Cache.push_front(CacheElement(
key, cacheData));
157 return this->
Cache.begin()->second;
177 typename std::list<CacheElement>::iterator it =
178 std::find(this->Cache.begin(), this->Cache.end(), CacheElement(
key));
179 if (it != this->Cache.end())
186 cacheData.Texture->SetInputData(cacheData.ImageData);
187 return this->AddCacheData(
key, cacheData);
193 template <
class StringType>
210 vtkTypeUInt32 hash =
static_cast<vtkTypeUInt32
>(id);
214 assert(
"Hash is really a uint32" &&
static_cast<size_t>(hash) ==
id);
238 this->
Color.
Set(
static_cast<unsigned char>(color[0] * 255),
239 static_cast<unsigned char>(
color[1] * 255),
static_cast<unsigned char>(
color[2] * 255),
240 static_cast<unsigned char>(textProperty->
GetOpacity() * 255));
337 float* texCoord =
new float[2 * n];
343 for (
int i = 0; i < n; ++i)
345 minX = fptr[0] < minX ? fptr[0] : minX;
346 maxX = fptr[0] > maxX ? fptr[0] : maxX;
347 minY = fptr[1] < minY ? fptr[1] : minY;
348 maxY = fptr[1] > maxY ? fptr[1] : maxY;
356 (textureBounds[1] - textureBounds[0]) ? textureBounds[1] - textureBounds[0] : 1.;
358 (textureBounds[3] - textureBounds[2]) ? textureBounds[3] - textureBounds[2] : 1.;
359 for (
int i = 0; i < n; ++i)
361 texCoord[i * 2] = (fptr[0] - minX) / rangeX;
362 texCoord[i * 2 + 1] = (fptr[1] - minY) / rangeY;
368 float rangeX = (maxX - minX) ? maxX - minX : 1.f;
369 float rangeY = (maxY - minY) ? maxY - minY : 1.f;
370 for (
int i = 0; i < n; ++i)
372 texCoord[i * 2] = (fptr[0] - minX) / rangeX;
373 texCoord[i * 2 + 1] = (fptr[1] - minY) / rangeY;
383 for (
int i = 0; i < 2; ++i)
385 while (pow2[i] <
size[i])
397 vtkGenericWarningMacro(
"Invalid image format: expected unsigned char.");
400 int bytesPerPixel =
image->GetNumberOfScalarComponents();
405 for (
int i = 0; i < 2; ++i)
407 texCoords[i] =
size[i] / float(newImg[i]);
410 unsigned char* dataPtr =
new unsigned char[newImg[0] * newImg[1] * bytesPerPixel];
411 unsigned char* origPtr =
static_cast<unsigned char*
>(
image->GetScalarPointer());
413 for (
int i = 0; i < newImg[0]; ++i)
415 for (
int j = 0; j < newImg[1]; ++j)
417 for (
int k = 0; k < bytesPerPixel; ++k)
421 dataPtr[i * bytesPerPixel + j * newImg[0] * bytesPerPixel + k] =
422 origPtr[i * bytesPerPixel + j *
size[0] * bytesPerPixel + k];
426 dataPtr[i * bytesPerPixel + j * newImg[0] * bytesPerPixel + k] = k == 3 ? 0 : 255;
433 GLint glFormat = bytesPerPixel == 3 ? GL_RGB : GL_RGBA;
434 GLint glInternalFormat = bytesPerPixel == 3 ? GL_RGB8 : GL_RGBA8;
436 glGenTextures(1, &tmpIndex);
437 glBindTexture(GL_TEXTURE_2D, tmpIndex);
439 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
440 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
441 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
442 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
444 glTexImage2D(GL_TEXTURE_2D, 0, glInternalFormat, newImg[0], newImg[1], 0, glFormat,
445 GL_UNSIGNED_BYTE,
static_cast<const GLvoid*
>(dataPtr));
454 cout <<
"Error = not an unsigned char..." << endl;
457 int bytesPerPixel =
image->GetNumberOfScalarComponents();
461 unsigned char* dataPtr =
static_cast<unsigned char*
>(
image->GetScalarPointer());
463 GLint glFormat = bytesPerPixel == 3 ? GL_RGB : GL_RGBA;
464 GLint glInternalFormat = bytesPerPixel == 3 ? GL_RGB8 : GL_RGBA8;
466 glGenTextures(1, &tmpIndex);
467 glBindTexture(GL_TEXTURE_2D, tmpIndex);
469 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
470 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
471 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
472 glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
474 glTexImage2D(GL_TEXTURE_2D, 0, glInternalFormat,
size[0],
size[1], 0, glFormat,
475 GL_UNSIGNED_BYTE,
static_cast<const GLvoid*
>(dataPtr));
544 this->cache =
new PolyDataCache();
556 this->Colors = colors;
557 this->CellColors->SetNumberOfComponents(colors->GetNumberOfComponents());
562 this->DrawLines(polyData, scalarMode, x, y,
scale);
566 this->DrawPolygons(polyData, scalarMode, x, y,
scale);
577 struct PolyDataCacheItem
581 std::vector<float> PolyTri;
585 std::vector<float> Lines;
594 std::map<vtkPolyData*, PolyDataCacheItem*>::iterator itPrev = this->PrevFrameCache.begin();
595 for (; itPrev != this->PrevFrameCache.end(); ++itPrev)
597 delete itPrev->second;
600 std::map<vtkPolyData*, PolyDataCacheItem*>::iterator it = this->CurrentFrameCache.begin();
601 for (; it != this->CurrentFrameCache.end(); ++it)
609 PolyDataCacheItem* cacheItem = this->CurrentFrameCache[
key];
610 if (cacheItem ==
nullptr)
612 cacheItem = this->PrevFrameCache[
key];
613 if (cacheItem ==
nullptr)
615 cacheItem =
new PolyDataCacheItem();
622 this->PrevFrameCache.erase(
key);
626 this->CurrentFrameCache[
key] = cacheItem;
637 std::map<vtkPolyData*, PolyDataCacheItem*>::iterator itPrev = this->PrevFrameCache.begin();
638 for (; itPrev != this->PrevFrameCache.end(); ++itPrev)
640 delete itPrev->second;
644 this->PrevFrameCache.clear();
647 std::swap(this->PrevFrameCache, this->CurrentFrameCache);
652 std::map<vtkPolyData*, PolyDataCacheItem*> PrevFrameCache;
653 std::map<vtkPolyData*, PolyDataCacheItem*> CurrentFrameCache;
660 float const posX,
float const posY,
float const scale,
vtkIdType cellId,
int scalarMode)
662 this->CellPoints.reserve(this->NumPointsCell * 2);
663 this->CellColors->SetNumberOfTuples(this->NumPointsCell);
664 for (
int i = 0; i < this->NumPointsCell; i++)
670 float const x =
static_cast<float>(
point[0]) + posX;
671 float const y =
static_cast<float>(
point[1]) + posY;
672 this->CellPoints.push_back(x *
scale);
673 this->CellPoints.push_back(y *
scale);
680 mappedColorId = this->PointIds[i];
683 mappedColorId = cellId;
686 std::cerr <<
"Scalar mode not supported!" << std::endl;
690 this->CellColors->SetTuple(i, mappedColorId, this->Colors);
700 vtkPolyData* polyData,
int scalarMode,
float const x,
float const y,
float const scale)
702 PolyDataCacheItem* cacheItem = this->cache->GetCacheEntry(polyData);
704 if (polyData->
GetMTime() > cacheItem->LinesLoadingTime)
707 cacheItem->Lines.clear();
708 cacheItem->LineColors->Reset();
712 cacheItem->Lines.reserve(numVertices * 2);
714 cacheItem->LineColors->SetNumberOfTuples(numVertices);
726 vtkIdType actualNumPointsCell = genericCell->GetNumberOfPoints();
728 for (
int i = 0; i < actualNumPointsCell - 1; ++i)
730 this->NumPointsCell = 2;
731 this->PointIds = genericCell->GetPointIds()->
GetPointer(i);
733 this->MapCurrentCell(x, y,
scale, cellId, scalarMode);
736 for (
int j = 0; j < this->NumPointsCell; j++)
738 cacheItem->Lines.push_back(this->CellPoints[2 * j]);
739 cacheItem->Lines.push_back(this->CellPoints[2 * j + 1]);
741 double* color4 = this->CellColors->GetTuple(j);
742 cacheItem->LineColors->InsertTuple4(
743 vertOffset + j, color4[0], color4[1], color4[2], color4[3]);
746 vertOffset += this->NumPointsCell;
747 this->CellColors->
Reset();
748 this->CellPoints.clear();
753 cacheItem->LinesLoadingTime.Modified();
757 if (cacheItem->Lines.size() > 0)
759 this->Device->
DrawLines(&cacheItem->Lines[0],
static_cast<int>(cacheItem->Lines.size() / 2),
760 static_cast<unsigned char*
>(cacheItem->LineColors->GetVoidPointer(0)),
761 cacheItem->LineColors->GetNumberOfComponents());
780 this->NumPointsCell = genericCell->GetNumberOfPoints();
781 this->PointIds = genericCell->GetPointIds()->
GetPointer(0);
782 numTriVert += 3 * (this->NumPointsCell - 2);
795 vtkPolyData* polyData,
int scalarMode,
float const x,
float const y,
float const scale)
797 PolyDataCacheItem* cacheItem = this->cache->GetCacheEntry(polyData);
799 if (polyData->
GetMTime() > cacheItem->PolygonsLoadingTime)
801 cacheItem->PolyTri.clear();
802 cacheItem->PolyColors->Reset();
805 vtkIdType const totalTriVert = this->GetCountTriangleVertices(polyData);
806 cacheItem->PolyTri.reserve(totalTriVert * 2);
808 cacheItem->PolyColors->SetNumberOfTuples(totalTriVert);
825 this->NumPointsCell = genericCell->GetNumberOfPoints();
826 this->PointIds = genericCell->GetPointIds()->
GetPointer(0);
828 this->MapCurrentCell(x, y,
scale, cellId, scalarMode);
831 for (
int i = 0; i < this->NumPointsCell - 2; i++)
833 cacheItem->PolyTri.push_back(this->CellPoints[0]);
834 cacheItem->PolyTri.push_back(this->CellPoints[1]);
835 cacheItem->PolyTri.push_back(this->CellPoints[i * 2 + 2]);
836 cacheItem->PolyTri.push_back(this->CellPoints[i * 2 + 3]);
837 cacheItem->PolyTri.push_back(this->CellPoints[i * 2 + 4]);
838 cacheItem->PolyTri.push_back(this->CellPoints[i * 2 + 5]);
841 vtkIdType const triangOffset = vertOffset + 3 * i;
842 double* color4 = this->CellColors->GetTuple(0);
843 cacheItem->PolyColors->InsertTuple4(
844 triangOffset, color4[0], color4[1], color4[2], color4[3]);
846 color4 = this->CellColors->GetTuple(i + 1);
847 cacheItem->PolyColors->InsertTuple4(
848 triangOffset + 1, color4[0], color4[1], color4[2], color4[3]);
850 color4 = this->CellColors->GetTuple(i + 2);
851 cacheItem->PolyColors->InsertTuple4(
852 triangOffset + 2, color4[0], color4[1], color4[2], color4[3]);
855 vertOffset += 3 * (this->NumPointsCell - 2);
856 this->CellColors->
Reset();
857 this->CellPoints.clear();
861 cacheItem->PolygonsLoadingTime.Modified();
865 if (cacheItem->PolyTri.size() > 0)
868 static_cast<unsigned char*
>(cacheItem->PolyColors->GetVoidPointer(0)), 4);
883 std::vector<float> CellPoints;
887 PolyDataCache* cache;
889 #endif // VTKOPENGLCONTEXTDEVICE2DPRIVATE_H