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/***************************************************************************
copyright : (C) 2003-2006 by Robby Stephenson
email : robby@periapsis.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of version 2 of the GNU General Public License as *
* published by the Free Software Foundation; *
* *
***************************************************************************/
#include "image.h"
#include "imagefactory.h"
#include "tellico_debug.h"
#include "tellico_utils.h"
#include <kmdcodec.h>
#include <kpixmapio.h>
#include <kstaticdeleter.h>
#include <tqbuffer.h>
#include <tqregexp.h>
using Tellico::Data::Image;
using Tellico::Data::ImageInfo;
KPixmapIO* Image::s_pixmapIO = 0;
static KStaticDeleter<KPixmapIO> staticKPixmapIODeleter;
KPixmapIO* Image::io() {
if(!s_pixmapIO) {
staticKPixmapIODeleter.setObject(s_pixmapIO, new KPixmapIO());
}
return s_pixmapIO;
}
Image::Image() : TQImage(), m_id(TQString()), m_linkOnly(false) {
}
// I'm using the MD5 hash as the id. I consider it rather unlikely that two images in one
// collection could ever have the same hash, and this lets me do a fast comparison of two images
// simply by comparing their ids.
Image::Image(const TQString& filename_) : TQImage(filename_), m_linkOnly(false) {
m_format = TQImage::imageFormat(filename_);
calculateID();
}
Image::Image(const TQImage& img_, const TQString& format_) : TQImage(img_), m_format(format_.ascii()), m_linkOnly(false) {
calculateID();
}
Image::Image(const TQByteArray& data_, const TQString& format_, const TQString& id_)
: TQImage(data_), m_id(idClean(id_)), m_format(format_.ascii()), m_linkOnly(false) {
if(isNull()) {
m_id = TQString();
}
}
Image::~Image() {
}
TQByteArray Image::byteArray() const {
return byteArray(*this, outputFormat(m_format));
}
bool Image::isNull() const {
// 1x1 images are considered null for Tellico. Amazon returns some like that.
return TQImage::isNull() || (width() < 2 && height() < 2);
}
TQPixmap Image::convertToPixmap() const {
return io()->convertToPixmap(*this);
}
TQPixmap Image::convertToPixmap(int w_, int h_) const {
if(w_ < width() || h_ < height()) {
return io()->convertToPixmap(this->smoothScale(w_, h_, ScaleMin));
} else {
return io()->convertToPixmap(*this);
}
}
TQCString Image::outputFormat(const TQCString& inputFormat) {
TQStrList list = TQImage::outputFormats();
for(TQStrListIterator it(list); it.current(); ++it) {
if(inputFormat == it.current()) {
return inputFormat;
}
}
// myDebug() << "Image::outputFormat() - writing " << inputFormat << " as PNG" << endl;
return "PNG";
}
TQByteArray Image::byteArray(const TQImage& img_, const TQCString& outputFormat_) {
TQByteArray ba;
TQBuffer buf(ba);
buf.open(IO_WriteOnly);
TQImageIO iio(&buf, outputFormat_);
iio.setImage(img_);
iio.write();
buf.close();
return ba;
}
TQString Image::idClean(const TQString& id_) {
static const TQRegExp rx('[' + TQRegExp::escape(TQString::fromLatin1("/@<>#\"&%?={}|^~[]'`\\:+")) + ']');
TQString clean = id_;
return shareString(clean.remove(rx));
}
void Image::setID(const TQString& id_) {
m_id = id_;
}
void Image::calculateID() {
// the id will eventually be used as a filename
if(!isNull()) {
KMD5 md5(byteArray());
m_id = TQString::fromLatin1(md5.hexDigest()) + TQString::fromLatin1(".") + TQString::fromLatin1(m_format).lower();
m_id = idClean(m_id);
}
}
/******************************************************/
ImageInfo::ImageInfo(const Image& img_)
: id(img_.id())
, format(img_.format())
, linkOnly(img_.linkOnly())
, m_width(img_.width())
, m_height(img_.height()) {
}
ImageInfo::ImageInfo(const TQString& id_, const TQCString& format_, int w_, int h_, bool l_)
: id(id_)
, format(format_)
, linkOnly(l_)
, m_width(w_)
, m_height(h_) {
}
int ImageInfo::width(bool loadIfNecessary) const {
if(m_width < 1 && loadIfNecessary) {
const Image& img = ImageFactory::imageById(id);
if(!img.isNull()) {
m_width = img.width();
m_height = img.height();
}
}
return m_width;
}
int ImageInfo::height(bool loadIfNecessary) const {
if(m_height < 1 && loadIfNecessary) {
const Image& img = ImageFactory::imageById(id);
if(!img.isNull()) {
m_width = img.width();
m_height = img.height();
}
}
return m_height;
}
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