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0022337: V3d_View::Print crashes in OCCT 6.5.0

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This commit is contained in:
APL
2011-09-07 07:16:18 +00:00
committed by bugmaster
parent 31b8106853
commit 7edf74fd3d
18 changed files with 1360 additions and 419 deletions
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141
src/ViewerTest/ViewerTest_ViewerCommands.cxx
View File

@@ -24,6 +24,8 @@
#include <Draw_Interpretor.hxx>
#include <Draw.hxx>
#include <Draw_Appli.hxx>
#include <Aspect_PrintAlgo.hxx>
#include <Image_PixMap.hxx>
#ifndef WNT
#include <Graphic3d_GraphicDevice.hxx>
@@ -1760,6 +1762,141 @@ static int VGraduatedTrihedron(Draw_Interpretor& di, Standard_Integer argc, cons
return 0;
}
//==============================================================================
//function : VPrintView
//purpose : Test printing algorithm, print the view to image file with given
// width and height. Printing implemented only for WNT.
//==============================================================================
static int VPrintView (Draw_Interpretor& di, Standard_Integer argc,
const char** argv)
{
#ifndef WNT
di << "Printing implemented only for wnt!\n";
return 1;
#else
Handle(AIS_InteractiveContext) aContextAIS = NULL;
Handle(V3d_View) aView = NULL;
aContextAIS = ViewerTest::GetAISContext();
if (!aContextAIS.IsNull())
{
const Handle(V3d_Viewer)& Vwr = aContextAIS->CurrentViewer();
Vwr->InitActiveViews();
if(Vwr->MoreActiveViews())
aView = Vwr->ActiveView();
}
// check for errors
if (aView.IsNull())
{
di << "Call vinit before!\n";
return 1;
}
else if (argc < 4)
{
di << "Use: " << argv[0];
di << " width height filename [print algo=0]\n";
di << "width, height of the intermediate buffer for operation\n";
di << "algo : {0|1}\n";
di << " 0 - stretch algorithm\n";
di << " 1 - tile algorithm\n";
di << "test printing algorithms into an intermediate buffer\n";
di << "with saving output to an image file\n";
return 1;
}
// get the input params
Standard_Integer aWidth = atoi (argv[1]);
Standard_Integer aHeight = atoi (argv[2]);
Standard_Integer aMode = 0;
TCollection_AsciiString aFileName = TCollection_AsciiString (argv[3]);
if (argc==5)
aMode = atoi (argv[4]);
// check the input parameters
if (aWidth <= 0 || aHeight <= 0)
{
di << "Width and height must be positive values!\n";
return 1;
}
if (aMode != 0 && aMode != 1)
aMode = 0;
Image_CRawBufferData aRawBuffer;
HDC anDC = CreateCompatibleDC(0);
// define compatible bitmap
BITMAPINFO aBitmapData;
memset (&aBitmapData, 0, sizeof (BITMAPINFOHEADER));
aBitmapData.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
aBitmapData.bmiHeader.biWidth = aWidth ;
aBitmapData.bmiHeader.biHeight = aHeight;
aBitmapData.bmiHeader.biPlanes = 1;
aBitmapData.bmiHeader.biBitCount = 24;
aBitmapData.bmiHeader.biXPelsPerMeter = 0;
aBitmapData.bmiHeader.biYPelsPerMeter = 0;
aBitmapData.bmiHeader.biClrUsed = 0;
aBitmapData.bmiHeader.biClrImportant = 0;
aBitmapData.bmiHeader.biCompression = BI_RGB;
aBitmapData.bmiHeader.biSizeImage = 0;
// Create Device Independent Bitmap
HBITMAP aMemoryBitmap = CreateDIBSection (anDC, &aBitmapData, DIB_RGB_COLORS,
&aRawBuffer.dataPtr, NULL, 0);
HGDIOBJ anOldBitmap = SelectObject(anDC, aMemoryBitmap);
Standard_Boolean isSaved = Standard_False, isPrinted = Standard_False;
if (aRawBuffer.dataPtr != 0)
{
if (aMode == 0)
isPrinted = aView->Print(anDC,1,1,0,Aspect_PA_STRETCH);
else
isPrinted = aView->Print(anDC,1,1,0,Aspect_PA_TILE);
// succesfully printed into an intermediate buffer
if (isPrinted)
{
Handle(Image_PixMap) anImageBitmap =
new Image_PixMap ((Standard_PByte)aRawBuffer.dataPtr,
aWidth, aHeight,
aWidth*3 + aWidth%4, 24, 0);
isSaved = anImageBitmap->Dump(aFileName.ToCString());
}
else
{
di << "Print operation failed due to printing errors or\n";
di << "insufficient memory available\n";
di << "Please, try to use smaller dimensions for this test\n";
di << "command, as it allocates intermediate buffer for storing\n";
di << "the result\n";
}
}
else
{
di << "Can't allocate memory for intermediate buffer\n";
di << "Please use smaller dimensions\n";
}
if (aMemoryBitmap)
{
SelectObject (anDC, anOldBitmap);
DeleteObject (aMemoryBitmap);
DeleteDC(anDC);
}
if (!isSaved)
{
di << "Save to file operation failed. This operation may fail\n";
di << "if you don't have enough available memory, then you can\n";
di << "use smaller dimensions for the output file\n";
return 1;
}
return 0;
#endif
}
//=======================================================================
//function : ViewerCommands
//purpose :
@@ -1826,4 +1963,8 @@ void ViewerTest::ViewerCommands(Draw_Interpretor& theCommands)
theCommands.Add("vgraduatedtrihedron",
"vgraduatedtrihedron : 1/0 (display/erase) [Xname Yname Zname [Font [isMultibyte]]]",
__FILE__,VGraduatedTrihedron,group);
theCommands.Add("vprintview" ,
"vprintview : width height filename [algo=0] : Test print algorithm: algo = 0 - stretch, algo = 1 - tile",
__FILE__,VPrintView,group);
}