FGFS-4.1/OpenSceneGraph
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This commit is contained in:
Robert Osfield
2003-10-27 16:07:21 +00:00
parent bce184e87c
commit eb4ee3afad
16 changed files with 1306 additions and 424 deletions
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30
src/osgPlugins/gdal/ReaderWriterGDAL.cpp
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@@ -42,18 +42,35 @@ class ReaderWriterGDAL : public osgDB::ReaderWriter
int destHeight = osg::minimum(dataHeight,1024);
osgDB::ImageOptions::TexCoordRange* texCoordRange = 0;
const osgDB::ImageOptions* imageOptions = dynamic_cast<const osgDB::ImageOptions*>(options);
if (imageOptions)
{
std::cout<<"Got ImageOptions"<<std::endl;
int margin = 0;
switch(imageOptions->_sourceImageWindowMode)
{
case(osgDB::ImageOptions::RATIO_WINDOW):
windowX = osg::maximum((int)(floor((double)dataWidth * imageOptions->_sourceRatioWindow.windowX)),0);
windowY = osg::maximum((int)(floor((double)dataHeight * imageOptions->_sourceRatioWindow.windowY)),0);
windowWidth = osg::minimum((int)(ceil((double)dataWidth * (imageOptions->_sourceRatioWindow.windowX + imageOptions->_sourceRatioWindow.windowWidth))),dataWidth)-windowX;
windowHeight = osg::minimum((int)(ceil((double)dataHeight * (imageOptions->_sourceRatioWindow.windowY + imageOptions->_sourceRatioWindow.windowHeight))),dataHeight)-windowY;
{
double desiredX = (double)dataWidth * imageOptions->_sourceRatioWindow.windowX;
double desiredY = (double)dataHeight * imageOptions->_sourceRatioWindow.windowY;
double desiredWidth = (double)dataWidth * imageOptions->_sourceRatioWindow.windowWidth;
double desiredHeight = (double)dataHeight * imageOptions->_sourceRatioWindow.windowHeight;
windowX = osg::maximum((int)(floor(desiredX))-margin,0);
windowY = osg::maximum((int)(floor(desiredY))-margin,0);
windowWidth = osg::minimum((int)(ceil(desiredX + desiredWidth))+margin,dataWidth)-windowX;
windowHeight = osg::minimum((int)(ceil(desiredY + desiredHeight))+margin,dataHeight)-windowY;
texCoordRange = new osgDB::ImageOptions::TexCoordRange;
texCoordRange->set((desiredX-(double)windowX)/(double)windowWidth,
((double)(windowY+windowHeight) -(desiredY+desiredHeight))/(double)windowHeight,
(desiredWidth)/(double)windowWidth,
(desiredHeight)/(double)windowHeight);
std::cout<<"tex coord range "<<texCoordRange->_x<<" "<<texCoordRange->_y<<" "<<texCoordRange->_w<<" "<<texCoordRange->_h<<std::endl;
}
break;
case(osgDB::ImageOptions::PIXEL_WINDOW):
windowX = imageOptions->_sourcePixelWindow.windowX;
@@ -145,6 +162,7 @@ class ReaderWriterGDAL : public osgDB::ReaderWriter
else if (band->GetColorInterpretation()==GCI_GreenBand) bandGreen = band;
else if (band->GetColorInterpretation()==GCI_BlueBand) bandBlue = band;
else if (band->GetColorInterpretation()==GCI_AlphaBand) bandAlpha = band;
else bandGray = band;
// int gotMin,gotMax;
// double minmax[2];
@@ -281,7 +299,9 @@ class ReaderWriterGDAL : public osgDB::ReaderWriter
dataType,
(unsigned char *)imageData,
osg::Image::USE_NEW_DELETE);
if (texCoordRange) image->setUserData(texCoordRange);
image->flipVertical();
return image;