e85d191b46
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
////////////////////////////////////////////////////////
|
|
//
|
|
// GEM - Graphics Environment for Multimedia
|
|
//
|
|
// zmoelnig@iem.kug.ac.at
|
|
//
|
|
// Implementation file
|
|
//
|
|
// Copyright (c) 1997-1999 Mark Danks.
|
|
// Copyright (c) Günther Geiger.
|
|
// Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
|
|
// For information on usage and redistribution, and for a DISCLAIMER OF ALL
|
|
// WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
|
|
//
|
|
/////////////////////////////////////////////////////////
|
|
|
|
/* this implements ImageMagick loading/saving using Magick++ */
|
|
|
|
#include "imageMAGICK.h"
|
|
#include "Gem/RTE.h"
|
|
|
|
#include <Magick++.h>
|
|
|
|
using namespace gem::plugins;
|
|
|
|
namespace MagickCore {};
|
|
using namespace MagickCore;
|
|
|
|
namespace MagickLib {};
|
|
using namespace MagickLib;
|
|
|
|
/////////////////////////////////////////////////////////
|
|
// really open the file ! (OS dependent)
|
|
//
|
|
/////////////////////////////////////////////////////////
|
|
bool imageMAGICK :: load(std::string filename, imageStruct&result, gem::Properties&props)
|
|
{
|
|
Magick::Image image;
|
|
try {
|
|
::verbose(2, "reading '%s' with ImageMagick", filename.c_str());
|
|
// Read a file into image object
|
|
try {
|
|
image.read( filename );
|
|
} catch (Magick::Warning e) {
|
|
verbose(1, "magick loading problem: %s", e.what());
|
|
}
|
|
|
|
result.xsize=static_cast<GLint>(image.columns());
|
|
result.ysize=static_cast<GLint>(image.rows());
|
|
result.setCsizeByFormat(GL_RGBA);
|
|
result.reallocate();
|
|
|
|
result.upsidedown=true;
|
|
|
|
try {
|
|
image.write(0,0,result.xsize,result.ysize,
|
|
"RGBA",
|
|
Magick::CharPixel,
|
|
reinterpret_cast<void*>(result.data));
|
|
} catch (Magick::Warning e) {
|
|
verbose(1, "magick decoding problem: %s", e.what());
|
|
}
|
|
}catch( Magick::Exception e ) {
|
|
verbose(1, "magick loading image failed with: %s", e.what());
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
bool imageMAGICK::save(const imageStruct&image, const std::string&filename, const std::string&mimetype, const gem::Properties&props) {
|
|
imageStruct*img=const_cast<imageStruct*>(&image);
|
|
imageStruct*pImage=img;
|
|
|
|
std::string cs;
|
|
switch(img->format) {
|
|
case GL_LUMINANCE:
|
|
cs="K";
|
|
break;
|
|
case GL_RGBA:
|
|
cs="RGBA";
|
|
break;
|
|
default:
|
|
pImage=new imageStruct();
|
|
pImage->convertFrom(img, GL_RGB);
|
|
case GL_RGB:
|
|
cs="RGB";
|
|
break;
|
|
case GL_BGRA_EXT:
|
|
cs="BGRA";
|
|
break;
|
|
}
|
|
try{
|
|
Magick::Image mimage(pImage->xsize, pImage->ysize, cs, Magick::CharPixel, pImage->data);
|
|
// since openGL is upside down
|
|
if(!pImage->upsidedown) {
|
|
mimage.flip();
|
|
}
|
|
// 8 bits per channel are enough!
|
|
// LATER make this dependent on the image->type
|
|
mimage.depth(8);
|
|
double quality;
|
|
if(props.get("quality", quality)) {
|
|
mimage.quality(quality);
|
|
}
|
|
|
|
try {
|
|
// finally convert and export
|
|
mimage.write(filename);
|
|
} catch (Magick::Warning e) {
|
|
verbose(1, "magick saving problem: %s", e.what());
|
|
}
|
|
|
|
} catch (Magick::Exception e){
|
|
error("%s", e.what());
|
|
if(pImage!=&image)delete pImage; pImage=NULL;
|
|
return false;
|
|
} catch (...) {
|
|
error("imageMAGICK:: uncaught exception!");
|
|
return false;
|
|
}
|
|
if(pImage!=&image)delete pImage; pImage=NULL;
|
|
return true;
|
|
}
|