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This commit is contained in:
Robert Osfield
2011-07-15 08:35:44 +00:00
parent 806993f3e0
commit 0ce917d3bb
2 changed files with 315 additions and 323 deletions
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4
src/osgPlugins/imageio/ReaderWriterImageIO.cpp
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@@ -1285,7 +1285,3 @@ public:
// now register with Registry to instantiate the above
// reader/writer.
REGISTER_OSGPLUGIN(imageio, ReaderWriterImageIO)

634
src/osgPlugins/imageio/ReaderWriterImageIO_IOS.cpp
View File

@@ -23,33 +23,33 @@
// to a Quartz buffer (supplied by Apple framework).
size_t MyProviderGetBytesCallback(void* istream_userdata, void* quartz_buffer, size_t the_count)
{
std::istream* the_istream = (std::istream*)istream_userdata;
the_istream->read((char*)quartz_buffer, the_count);
return the_istream->gcount(); // return the actual number of bytes read
std::istream* the_istream = (std::istream*)istream_userdata;
the_istream->read((char*)quartz_buffer, the_count);
return the_istream->gcount(); // return the actual number of bytes read
}
// This callback is triggered when the data provider is released
// so you can clean up any resources.
void MyProviderReleaseInfoCallback(void* istream_userdata)
{
// What should I put here? Do I need to close the istream?
// The png and tga don't seem to.
// std::istream* the_istream = (std::istream*)istream_userdata;
// What should I put here? Do I need to close the istream?
// The png and tga don't seem to.
// std::istream* the_istream = (std::istream*)istream_userdata;
}
void MyProviderRewindCallback(void* istream_userdata)
{
std::istream* the_istream = (std::istream*)istream_userdata;
the_istream->seekg(0, std::ios::beg);
std::istream* the_istream = (std::istream*)istream_userdata;
the_istream->seekg(0, std::ios::beg);
}
off_t MyProviderSkipForwardBytesCallback(void* istream_userdata, off_t the_count)
{
std::istream* the_istream = (std::istream*)istream_userdata;
off_t start_position = the_istream->tellg();
the_istream->seekg(the_count, std::ios::cur);
off_t end_position = the_istream->tellg();
return (end_position - start_position);
std::istream* the_istream = (std::istream*)istream_userdata;
off_t start_position = the_istream->tellg();
the_istream->seekg(the_count, std::ios::cur);
off_t end_position = the_istream->tellg();
return (end_position - start_position);
}
/**************************************************************
@@ -62,17 +62,17 @@ off_t MyProviderSkipForwardBytesCallback(void* istream_userdata, off_t the_count
**************************************************************/
size_t MyConsumerPutBytesCallback(void* ostream_userdata, const void* quartz_buffer, size_t the_count)
{
std::ostream* the_ostream = (std::ostream*)ostream_userdata;
the_ostream->write((char*)quartz_buffer, the_count);
// Don't know how to get number of bytes actually written, so
// just returning the_count.
return the_count;
std::ostream* the_ostream = (std::ostream*)ostream_userdata;
the_ostream->write((char*)quartz_buffer, the_count);
// Don't know how to get number of bytes actually written, so
// just returning the_count.
return the_count;
}
void MyConsumerReleaseInfoCallback(void* ostream_userdata)
{
std::ostream* the_ostream = (std::ostream*)ostream_userdata;
the_ostream->flush();
std::ostream* the_ostream = (std::ostream*)ostream_userdata;
the_ostream->flush();
}
/**************************************************************
***** End Callback functions for ostream block writing ********
@@ -86,49 +86,49 @@ void MyConsumerReleaseInfoCallback(void* ostream_userdata)
/* Create a CGImageSourceRef from raw data */
CGImageRef CreateCGImageFromDataStream(std::istream& fin)
{
CGImageRef image_ref = NULL;
CGImageSourceRef source_ref;
/* The easy way would be to use CGImageSourceCreateWithData,
* but this presumes you have a known fixed-length buffer of data.
* The istream makes this harder to know, so we use the ProviderCallbacks APIs
CFDataRef the_cf_data = CFDataCreateWithBytesNoCopy(
kCFAllocatorDefault,
(const UInt8*)the_data,
CFIndex length,
kCFAllocatorNull // do not free data buffer, must do it yourself
);
source_ref = CGImageSourceCreateWithData(the_cf_data, NULL);
*/
CGDataProviderSequentialCallbacks provider_callbacks =
{
0,
MyProviderGetBytesCallback,
MyProviderSkipForwardBytesCallback,
MyProviderRewindCallback,
MyProviderReleaseInfoCallback
};
CGDataProviderRef data_provider = CGDataProviderCreateSequential(&fin, &provider_callbacks);
// If we had a way of hinting at what the data type is, we could
// pass this hint in the second parameter.
source_ref = CGImageSourceCreateWithDataProvider(data_provider, NULL);
CGDataProviderRelease(data_provider);
if(!source_ref)
{
return NULL;
}
image_ref = CGImageSourceCreateImageAtIndex(source_ref, 0, NULL);
/* Don't need the SourceRef any more (error or not) */
CFRelease(source_ref);
return image_ref;
CGImageRef image_ref = NULL;
CGImageSourceRef source_ref;
/* The easy way would be to use CGImageSourceCreateWithData,
* but this presumes you have a known fixed-length buffer of data.
* The istream makes this harder to know, so we use the ProviderCallbacks APIs
CFDataRef the_cf_data = CFDataCreateWithBytesNoCopy(
kCFAllocatorDefault,
(const UInt8*)the_data,
CFIndex length,
kCFAllocatorNull // do not free data buffer, must do it yourself
);
source_ref = CGImageSourceCreateWithData(the_cf_data, NULL);
*/
CGDataProviderSequentialCallbacks provider_callbacks =
{
0,
MyProviderGetBytesCallback,
MyProviderSkipForwardBytesCallback,
MyProviderRewindCallback,
MyProviderReleaseInfoCallback
};
CGDataProviderRef data_provider = CGDataProviderCreateSequential(&fin, &provider_callbacks);
// If we had a way of hinting at what the data type is, we could
// pass this hint in the second parameter.
source_ref = CGImageSourceCreateWithDataProvider(data_provider, NULL);
CGDataProviderRelease(data_provider);
if(!source_ref)
{
return NULL;
}
image_ref = CGImageSourceCreateImageAtIndex(source_ref, 0, NULL);
/* Don't need the SourceRef any more (error or not) */
CFRelease(source_ref);
return image_ref;
}
static NSString* toNSString(const std::string& text, NSStringEncoding nsse)
@@ -138,7 +138,7 @@ static NSString* toNSString(const std::string& text, NSStringEncoding nsse)
if (!text.empty())
{
nstr = [NSString stringWithCString:text.c_str() encoding:nsse];
//nstr = [NSString stringWithUTF8String:text.c_str()];// encoding:nsse]
//nstr = [NSString stringWithUTF8String:text.c_str()];// encoding:nsse]
}
if (nstr == nil)
@@ -161,62 +161,62 @@ static NSString* toNSString(const std::string& text)
//
osg::Image* ReadCoreGraphicsImageFromFile(std::string file)
{
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
//chop the extension off
std::string strExt = osgDB::getFileExtension(file);
std::string strPath = osgDB::getFilePath(file);
std::string strName = osgDB::getStrippedName(file);
std::string strFile = strPath+"/"+strName;
NSString* path = [NSString stringWithCString:strName.c_str() length:strlen(strName.c_str())];
NSString* ext = [NSString stringWithCString:strExt.c_str() length:strlen(strExt.c_str())];
//CGImageRef textureImage = [UIImage imageNamed:path].CGImage;
CGImageRef textureImage = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:path ofType:ext]].CGImage;
if (textureImage == nil) {
NSLog(@"imageio: failed to load CGImageRef image '%@'", path );
[pool release];
return NULL;
}
NSInteger texWidth = CGImageGetWidth(textureImage);
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
//chop the extension off
std::string strExt = osgDB::getFileExtension(file);
std::string strPath = osgDB::getFilePath(file);
std::string strName = osgDB::getStrippedName(file);
std::string strFile = strPath+"/"+strName;
NSString* path = [NSString stringWithCString:strName.c_str() length:strlen(strName.c_str())];
NSString* ext = [NSString stringWithCString:strExt.c_str() length:strlen(strExt.c_str())];
//CGImageRef textureImage = [UIImage imageNamed:path].CGImage;
CGImageRef textureImage = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:path ofType:ext]].CGImage;
if (textureImage == nil) {
NSLog(@"imageio: failed to load CGImageRef image '%@'", path );
[pool release];
return NULL;
}
NSInteger texWidth = CGImageGetWidth(textureImage);
NSInteger texHeight = CGImageGetHeight(textureImage);
GLubyte *textureData = (GLubyte *)malloc(texWidth * texHeight * 4);
GLubyte *textureData = (GLubyte *)malloc(texWidth * texHeight * 4);
CGContextRef textureContext = CGBitmapContextCreate(textureData,
texWidth, texHeight,
8, texWidth * 4,
texWidth, texHeight,
8, texWidth * 4,
CGColorSpaceCreateDeviceRGB(),
kCGImageAlphaPremultipliedLast);
//copy into texturedata
CGContextDrawImage(textureContext,
CGRectMake(0.0, 0.0, (float)texWidth, (float)texHeight),
textureImage);
CGContextRelease(textureContext);
//create the osg image
unsigned int dataType = GL_UNSIGNED_BYTE;
int s = texWidth;
int t = texHeight;
osg::Image* image = new osg::Image();
image->setImage(s, t, 1,
GL_RGBA,
GL_RGBA,
GL_UNSIGNED_BYTE,
textureData,
osg::Image::USE_MALLOC_FREE);
//flip vertical
image->flipVertical();
kCGImageAlphaPremultipliedLast);
//copy into texturedata
CGContextDrawImage(textureContext,
CGRectMake(0.0, 0.0, (float)texWidth, (float)texHeight),
textureImage);
CGContextRelease(textureContext);
//create the osg image
unsigned int dataType = GL_UNSIGNED_BYTE;
int s = texWidth;
int t = texHeight;
osg::Image* image = new osg::Image();
image->setImage(s, t, 1,
GL_RGBA,
GL_RGBA,
GL_UNSIGNED_BYTE,
textureData,
osg::Image::USE_MALLOC_FREE);
//flip vertical
image->flipVertical();
//
// Reverse the premultiplied alpha for avoiding unexpected darker edges
@@ -238,60 +238,60 @@ osg::Image* ReadCoreGraphicsImageFromFile(std::string file)
pixels += 4;
}
[pool release];
return image;
[pool release];
return image;
}
osg::Image* CreateOSGImageFromCGImage(CGImageRef textureImage)
{
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
if (textureImage == nil) {
[pool release];
NSLog(@"imageio: failed to load CGImageRef image");
return NULL;
}
NSInteger texWidth = CGImageGetWidth(textureImage);
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
if (textureImage == nil) {
[pool release];
NSLog(@"imageio: failed to load CGImageRef image");
return NULL;
}
NSInteger texWidth = CGImageGetWidth(textureImage);
NSInteger texHeight = CGImageGetHeight(textureImage);
GLubyte *textureData = (GLubyte *)malloc(texWidth * texHeight * 4);
GLubyte *textureData = (GLubyte *)malloc(texWidth * texHeight * 4);
CGContextRef textureContext = CGBitmapContextCreate(textureData,
texWidth, texHeight,
8, texWidth * 4,
texWidth, texHeight,
8, texWidth * 4,
CGColorSpaceCreateDeviceRGB(),
kCGImageAlphaPremultipliedLast);
kCGImageAlphaPremultipliedLast);
//copy into texturedata
CGContextDrawImage(textureContext,
CGRectMake(0.0, 0.0, (float)texWidth, (float)texHeight),
textureImage);
CGContextFlush(textureContext);
CGContextRelease(textureContext);
//create the osg image
unsigned int dataType = GL_UNSIGNED_BYTE;
int s = texWidth;
int t = texHeight;
osg::Image* image = new osg::Image();
image->setImage(s, t, 1,
GL_RGBA,
GL_RGBA,
GL_UNSIGNED_BYTE,
textureData,
osg::Image::USE_MALLOC_FREE);
//flip vertical
image->flipVertical();
//copy into texturedata
CGContextDrawImage(textureContext,
CGRectMake(0.0, 0.0, (float)texWidth, (float)texHeight),
textureImage);
CGContextFlush(textureContext);
CGContextRelease(textureContext);
//create the osg image
unsigned int dataType = GL_UNSIGNED_BYTE;
int s = texWidth;
int t = texHeight;
osg::Image* image = new osg::Image();
image->setImage(s, t, 1,
GL_RGBA,
GL_RGBA,
GL_UNSIGNED_BYTE,
textureData,
osg::Image::USE_MALLOC_FREE);
//flip vertical
image->flipVertical();
//
// Reverse the premultiplied alpha for avoiding unexpected darker edges
@@ -303,7 +303,7 @@ osg::Image* CreateOSGImageFromCGImage(CGImageRef textureImage)
int i, j;
GLubyte *pixels = (GLubyte *)image->data();
for (i = image->t() * image->s(); i--; ) {
GLubyte alpha = pixels[3];
if (alpha && (alpha < 255)) {
for (j = 0; j < 3; ++j) {
@@ -313,12 +313,12 @@ osg::Image* CreateOSGImageFromCGImage(CGImageRef textureImage)
pixels += 4;
}
[pool release];
return image;
[pool release];
return image;
}
class ReaderWriterImageIO : public osgDB::ReaderWriter
@@ -327,73 +327,73 @@ class ReaderWriterImageIO : public osgDB::ReaderWriter
public:
ReaderWriterImageIO()
{
supportsExtension("jpg", "jpg image file");
supportsExtension("jpeg", "jpeg image file");
supportsExtension("jpe", "jpe image file");
supportsExtension("jp2", "jp2 image file");
supportsExtension("tiff", "tiff image file");
supportsExtension("tif", "tif image file");
supportsExtension("gif", "gif image file");
supportsExtension("png", "png image file");
supportsExtension("pict", "pict image file");
supportsExtension("pct", "pct image file");
supportsExtension("pic", "pic image file");
supportsExtension("bmp", "bmp image file");
supportsExtension("BMPf", "BMPf image file");
supportsExtension("ico", "ico image file");
supportsExtension("icns", "icns image file");
supportsExtension("tga", "tga image file");
supportsExtension("targa", "targa image file");
supportsExtension("psd", "psd image file");
supportsExtension("pdf", "pdf image file");
supportsExtension("eps", "eps image file");
supportsExtension("epi", "epi image file");
supportsExtension("epsf", "epsf image file");
supportsExtension("epsi", "epsi image file");
supportsExtension("ps", "postscript image file");
supportsExtension("dng", "dng image file");
supportsExtension("cr2", "cr2 image file");
supportsExtension("crw", "crw image file");
supportsExtension("fpx", "fpx image file");
supportsExtension("fpxi", "fpxi image file");
supportsExtension("raf", "raf image file");
supportsExtension("dcr", "dcr image file");
supportsExtension("ptng", "ptng image file");
supportsExtension("pnt", "pnt image file");
supportsExtension("mac", "mac image file");
supportsExtension("mrw", "mrw image file");
supportsExtension("nef", "nef image file");
supportsExtension("orf", "orf image file");
supportsExtension("exr", "exr image file");
supportsExtension("qti", "qti image file");
supportsExtension("qtif", "qtif image file");
supportsExtension("hdr", "hdr image file");
supportsExtension("sgi", "sgi image file");
supportsExtension("srf", "srf image file");
supportsExtension("cur", "cur image file");
supportsExtension("xbm", "xbm image file");
supportsExtension("raw", "raw image file");
supportsExtension("jpg", "jpg image file");
supportsExtension("jpeg", "jpeg image file");
supportsExtension("jpe", "jpe image file");
supportsExtension("jp2", "jp2 image file");
supportsExtension("tiff", "tiff image file");
supportsExtension("tif", "tif image file");
supportsExtension("gif", "gif image file");
supportsExtension("png", "png image file");
supportsExtension("pict", "pict image file");
supportsExtension("pct", "pct image file");
supportsExtension("pic", "pic image file");
supportsExtension("bmp", "bmp image file");
supportsExtension("BMPf", "BMPf image file");
supportsExtension("ico", "ico image file");
supportsExtension("icns", "icns image file");
supportsExtension("tga", "tga image file");
supportsExtension("targa", "targa image file");
supportsExtension("psd", "psd image file");
supportsExtension("pdf", "pdf image file");
supportsExtension("eps", "eps image file");
supportsExtension("epi", "epi image file");
supportsExtension("epsf", "epsf image file");
supportsExtension("epsi", "epsi image file");
supportsExtension("ps", "postscript image file");
supportsExtension("dng", "dng image file");
supportsExtension("cr2", "cr2 image file");
supportsExtension("crw", "crw image file");
supportsExtension("fpx", "fpx image file");
supportsExtension("fpxi", "fpxi image file");
supportsExtension("raf", "raf image file");
supportsExtension("dcr", "dcr image file");
supportsExtension("ptng", "ptng image file");
supportsExtension("pnt", "pnt image file");
supportsExtension("mac", "mac image file");
supportsExtension("mrw", "mrw image file");
supportsExtension("nef", "nef image file");
supportsExtension("orf", "orf image file");
supportsExtension("exr", "exr image file");
supportsExtension("qti", "qti image file");
supportsExtension("qtif", "qtif image file");
supportsExtension("hdr", "hdr image file");
supportsExtension("sgi", "sgi image file");
supportsExtension("srf", "srf image file");
supportsExtension("cur", "cur image file");
supportsExtension("xbm", "xbm image file");
supportsExtension("raw", "raw image file");
}
virtual const char* className() const { return "Mac OS X ImageIO based Image Reader/Writer"; }
virtual bool acceptsExtension(const std::string& extension) const
{
// ImageIO speaks in UTIs.
// http://developer.apple.com/graphicsimaging/workingwithimageio.html
// The Cocoa drawing guide lists these and says to use the
// imageFileTypes class method of NSImage to get a complete
// list of extensions. But remember ImageIO may support more formats
// than Cocoa.
// http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaDrawingGuide/Images/chapter_7_section_3.html
// Apple's UTI guide:
// http://developer.apple.com/documentation/Carbon/Conceptual/understanding_utis/utilist/chapter_4_section_1.html
return
virtual const char* className() const { return "Mac OS X ImageIO based Image Reader/Writer"; }
virtual bool acceptsExtension(const std::string& extension) const
{
// ImageIO speaks in UTIs.
// http://developer.apple.com/graphicsimaging/workingwithimageio.html
// The Cocoa drawing guide lists these and says to use the
// imageFileTypes class method of NSImage to get a complete
// list of extensions. But remember ImageIO may support more formats
// than Cocoa.
// http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaDrawingGuide/Images/chapter_7_section_3.html
// Apple's UTI guide:
// http://developer.apple.com/documentation/Carbon/Conceptual/understanding_utis/utilist/chapter_4_section_1.html
return
osgDB::equalCaseInsensitive(extension,"jpg") ||
osgDB::equalCaseInsensitive(extension,"jpeg") ||
osgDB::equalCaseInsensitive(extension,"jpe") ||
@@ -443,110 +443,106 @@ public:
osgDB::equalCaseInsensitive(extension,"xbm") ||
osgDB::equalCaseInsensitive(extension,"raw");
}
ReadResult readImageStream(std::istream& fin) const
{
// Call ImageIO to load the image.
CGImageRef cg_image_ref = CreateCGImageFromDataStream(fin);
if (NULL == cg_image_ref) return ReadResult::FILE_NOT_FOUND;
// Create an osg::Image from the CGImageRef.
osg::Image* osg_image = CreateOSGImageFromCGImage(cg_image_ref);
CFRelease(cg_image_ref);
return osg_image;
}
virtual ReadResult readImage(std::istream& fin, const osgDB::ReaderWriter::Options* the_options = NULL) const
{
ReadResult read_result = readImageStream(fin);
return read_result;
}
ReadResult readImageFile(const std::string& file_name) const
{
//osg::notify(osg::INFO) << "imageio readImageFile: " << file_name << std::endl;
}
ReadResult readImageStream(std::istream& fin) const
{
// Call ImageIO to load the image.
CGImageRef cg_image_ref = CreateCGImageFromDataStream(fin);
if (NULL == cg_image_ref) return ReadResult::FILE_NOT_FOUND;
// Create an osg::Image from the CGImageRef.
osg::Image* osg_image = CreateOSGImageFromCGImage(cg_image_ref);
CFRelease(cg_image_ref);
return osg_image;
}
virtual ReadResult readImage(std::istream& fin, const osgDB::ReaderWriter::Options* the_options = NULL) const
{
ReadResult read_result = readImageStream(fin);
return read_result;
}
ReadResult readImageFile(const std::string& file_name) const
{
//osg::notify(osg::INFO) << "imageio readImageFile: " << file_name << std::endl;
// Create an osg::Image from the CGImageRef.
osg::Image* osg_image = ReadCoreGraphicsImageFromFile(file_name);
// Create an osg::Image from the CGImageRef.
osg::Image* osg_image = ReadCoreGraphicsImageFromFile(file_name);
return osg_image;
}
return osg_image;
}
virtual ReadResult readImage(const std::string& file_name, const osgDB::ReaderWriter::Options* the_options) const
{
std::string ext = osgDB::getLowerCaseFileExtension(file_name);
if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
virtual ReadResult readImage(const std::string& file_name, const osgDB::ReaderWriter::Options* the_options) const
{
std::string ext = osgDB::getLowerCaseFileExtension(file_name);
if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
std::string full_file_name = osgDB::findDataFile( file_name, the_options );
if (full_file_name.empty()) return ReadResult::FILE_NOT_FOUND;
std::string full_file_name = osgDB::findDataFile( file_name, the_options );
if (full_file_name.empty()) return ReadResult::FILE_NOT_FOUND;
#if 1
ReadResult read_result = readImageFile(full_file_name);
ReadResult read_result = readImageFile(full_file_name);
#else
// Only here to help test istream backend. The file version is better because
// the filenname.extension could potentially be used by ImageIO to hint what the format type is.
std::ifstream istream(full_file_name.c_str(), std::ios::in | std::ios::binary);
if(!istream) return ReadResult::FILE_NOT_HANDLED;
ReadResult read_result = readImage(istream);
// Only here to help test istream backend. The file version is better because
// the filenname.extension could potentially be used by ImageIO to hint what the format type is.
std::ifstream istream(full_file_name.c_str(), std::ios::in | std::ios::binary);
if(!istream) return ReadResult::FILE_NOT_HANDLED;
ReadResult read_result = readImage(istream);
#endif
if(read_result.validImage())
{
read_result.getImage()->setFileName(full_file_name);
}
return read_result;
}
if(read_result.validImage())
{
read_result.getImage()->setFileName(full_file_name);
}
return read_result;
}
WriteResult writeImageStream(const osg::Image& osg_image, std::ostream& fout, const osgDB::ReaderWriter::Options* the_options) const
{
WriteResult ret_val = WriteResult::ERROR_IN_WRITING_FILE;
WriteResult writeImageStream(const osg::Image& osg_image, std::ostream& fout, const osgDB::ReaderWriter::Options* the_options) const
{
WriteResult ret_val = WriteResult::ERROR_IN_WRITING_FILE;
return WriteResult::FILE_SAVED;
}
return WriteResult::FILE_SAVED;
}
virtual WriteResult writeImage(const osg::Image& osg_image, std::ostream& fout, const osgDB::ReaderWriter::Options* the_options) const
{
WriteResult write_result = writeImageStream(osg_image, fout, the_options);
return write_result;
}
virtual WriteResult writeImage(const osg::Image& osg_image, std::ostream& fout, const osgDB::ReaderWriter::Options* the_options) const
{
WriteResult write_result = writeImageStream(osg_image, fout, the_options);
return write_result;
}
WriteResult writeImageFile(const osg::Image& osg_image, const std::string& full_file_name, const osgDB::ReaderWriter::Options* the_options) const
{
WriteResult ret_val = WriteResult::ERROR_IN_WRITING_FILE;
return WriteResult::FILE_SAVED;
}
WriteResult writeImageFile(const osg::Image& osg_image, const std::string& full_file_name, const osgDB::ReaderWriter::Options* the_options) const
{
WriteResult ret_val = WriteResult::ERROR_IN_WRITING_FILE;
return WriteResult::FILE_SAVED;
}
virtual WriteResult writeImage(const osg::Image& osg_image, const std::string& file_name, const osgDB::ReaderWriter::Options* the_options) const
{
std::string ext = osgDB::getFileExtension(file_name);
if (!acceptsExtension(ext)) return WriteResult::FILE_NOT_HANDLED;
virtual WriteResult writeImage(const osg::Image& osg_image, const std::string& file_name, const osgDB::ReaderWriter::Options* the_options) const
{
std::string ext = osgDB::getFileExtension(file_name);
if (!acceptsExtension(ext)) return WriteResult::FILE_NOT_HANDLED;
#if 1
// FIXME: Something may need to provide a proper writable location for the files.
std::string full_file_name;
full_file_name = file_name;
return writeImageFile(osg_image, full_file_name, the_options);
// FIXME: Something may need to provide a proper writable location for the files.
std::string full_file_name;
full_file_name = file_name;
return writeImageFile(osg_image, full_file_name, the_options);
#else
// Only here to help test ostream backend. The file version is better because
// the filenname.extension could potentially be used by ImageIO to hint what the format type is.
std::ofstream fout(file_name.c_str(), std::ios::out | std::ios::binary);
if(!fout) return WriteResult::ERROR_IN_WRITING_FILE;
return writeImage(osg_image, fout, the_options);
#endif
}
// Only here to help test ostream backend. The file version is better because
// the filenname.extension could potentially be used by ImageIO to hint what the format type is.
std::ofstream fout(file_name.c_str(), std::ios::out | std::ios::binary);
if(!fout) return WriteResult::ERROR_IN_WRITING_FILE;
return writeImage(osg_image, fout, the_options);
#endif
}
};
// now register with Registry to instantiate the above
// reader/writer.
REGISTER_OSGPLUGIN(imageio, ReaderWriterImageIO)