#include "graphics/GraphicsCache.h"
#include "graphics/GraphicsCacheItem.h"
-#include "graphics/GraphicsCacheItem_pimpl.h"
#include "frontends/support/LyXImage.h"
-
-
-GraphicsCacheItem::GraphicsCacheItem()
- : pimpl(new GraphicsCacheItem_pimpl)
+#include "graphics/ImageLoaderXPM.h"
+#include "converter.h"
+#include "support/filetools.h"
+#include "support/lyxlib.h"
+#include "lyx_gui_misc.h"
+#include "debug.h"
+#include "support/LAssert.h"
+#include "gettext.h"
+
+using std::endl;
+
+GraphicsCacheItem::GraphicsCacheItem(string const & filename)
+ : imageStatus_(GraphicsCacheItem::Loading)
{
- pimpl->refCount = 1;
+ filename_ = filename;
+
+ bool success = convertImage(filename);
+ // For now we do it synchronously
+ if (success)
+ imageConverted(0);
+ else
+ imageStatus_ = ErrorConverting;
}
GraphicsCacheItem::~GraphicsCacheItem()
-{
- destroy();
-}
+{}
-bool
-GraphicsCacheItem::setFilename(string const & filename)
-{
- filename_ = filename;
- return pimpl->setFilename(filename);
-}
+GraphicsCacheItem::ImageStatus
+GraphicsCacheItem::getImageStatus() const { return imageStatus_; }
-GraphicsCacheItem::GraphicsCacheItem(GraphicsCacheItem const & gci)
- : pimpl(0)
-{
- // copy will set the actual value of the pimpl.
- copy(gci);
-}
+LyXImage *
+GraphicsCacheItem::getImage() const { return image_.get(); }
-GraphicsCacheItem &
-GraphicsCacheItem::operator=(GraphicsCacheItem const & gci)
-{
- // Are we trying to copy the object onto itself.
- if (this == &gci)
- return *this;
- // Destroy old copy
- destroy();
+void
+GraphicsCacheItem::imageConverted(int retval)
+{
+ lyxerr << "imageConverted, retval=" << retval << endl;
- // And then copy new object.
- copy(gci);
+ if (retval) {
+ lyxerr << "(GraphicsCacheItem::imageConverter) "
+ "Error converting image." << endl;
+ imageStatus_ = GraphicsCacheItem::ErrorConverting;
+ return;
+ }
- return *this;
+ // Do the actual image loading from file to memory.
+ loadImage();
}
-GraphicsCacheItem *
-GraphicsCacheItem::Clone() const
+
+namespace {
+
+string const findTargetFormat(string const & from)
{
- return new GraphicsCacheItem(*this);
+ typedef ImageLoader::FormatList FormatList;
+ FormatList formats = ImageLoaderXPM().loadableFormats();
+ lyx::Assert(formats.size() > 0); // There must be a format to load from.
+
+ FormatList::const_iterator iter = formats.begin();
+ FormatList::const_iterator end = formats.end();
+
+ for (; iter != end; ++iter) {
+ if (converters.IsReachable(from, *iter))
+ break;
+ }
+ if (iter == end) {
+ // We do not know how to convert the image to something loadable.
+ lyxerr << "ERROR: Do not know how to convert image." << std::endl;
+
+ string const first(_("Cannot convert image to display format"));
+ string const second1(_("Need converter from "));
+ string const second2(_(" to "));
+ string const second(second1 + from + second2 + formats[0]);
+
+ WriteAlert(first, second);
+
+ return string();
+ }
+
+ return (*iter);
}
-void
-GraphicsCacheItem::copy(GraphicsCacheItem const & gci)
+} // anon namespace
+
+
+bool
+GraphicsCacheItem::convertImage(string const & filename)
{
- pimpl = gci.pimpl;
- ++(pimpl->refCount);
+ string const from = GetExtension(filename);
+ string const to = findTargetFormat(from);
+ if (to.empty())
+ return false;
+
+ // Take only the filename part of the file, without path or extension.
+ string temp = OnlyFilename(filename);
+ temp = ChangeExtension(filename, string());
+
+ // Add some stuff to have it a unique temp file.
+ // This tempfile is deleted in loadImage after it is loaded to memory.
+ tempfile = lyx::tempName(string(), temp);
+ // Remove the temp file, we only want the name...
+ lyx::unlink(tempfile);
+
+ converters.Convert(0, filename, tempfile, from, to);
+
+ return true;
}
+// This function gets called from the callback after the image has been
+// converted successfully.
void
-GraphicsCacheItem::destroy()
+GraphicsCacheItem::loadImage()
{
- if (pimpl) {
- --(pimpl->refCount);
- if (pimpl->refCount == 0) {
- { // We are deleting the pimpl but we want to mark it deleted
- // even before it is deleted.
- GraphicsCacheItem_pimpl * temp = pimpl;
- pimpl = 0;
- delete temp; temp = 0;
- }
- GraphicsCache * gc = GraphicsCache::getInstance();
- gc->removeFile(filename_);
- }
+ lyxerr << "Loading XPM Image... ";
+
+ ImageLoaderXPM imageLoader;
+ if (imageLoader.loadImage(tempfile) == ImageLoader::OK) {
+ lyxerr << "Success." << endl;
+ image_.reset(imageLoader.getImage());
+ imageStatus_ = GraphicsCacheItem::Loaded;
+ } else {
+ lyxerr << "Loading " << tempfile << "Failed" << endl;
+ imageStatus_ = GraphicsCacheItem::ErrorReading;
}
-}
-
-GraphicsCacheItem::ImageStatus
-GraphicsCacheItem::getImageStatus() const { return pimpl->imageStatus_; }
-
-LyXImage *
-GraphicsCacheItem::getImage() const { return pimpl->getImage(); }
+ // remove the xpm file now.
+ lyx::unlink(tempfile);
+ // and remove the reference to the filename.
+ tempfile = string();
+}