void AddEmoji(Gtk.TextBuffer buffer, ref Gtk.TextIter iter,
ImageMessagePartModel imgPart, string shortName,
Gtk.TextMark emojiMark, string imagePath)
{
int width, height;
int descent;
using (var layout = CreatePangoLayout(null)) {
layout.GetPixelSize(out width, out height);
descent = layout.Context.GetMetrics(layout.FontDescription, null).Descent;
}
Gdk.Pixbuf emojiPixBuf;
try {
emojiPixBuf = new Gdk.Pixbuf(imagePath, -1, height);
} catch (Exception ex) {
#if LOG4NET
_Logger.ErrorFormat(
"AddEmoji(): error loading " +
"image file: '{0}' " +
"emoji: '{1}' into Gdk.Pixbuf(), " +
"Exception: {2}",
imagePath, shortName, ex
);
#endif
// delete the broken image file, maybe after the
// next download this will be a valid image
File.Delete(imagePath);
// show alternative text as fallback instead
buffer.DeleteMark(emojiMark);
AddAlternativeText(buffer, ref iter, imgPart);
return;
}
buffer.InsertPixbuf(ref iter, emojiPixBuf);
var beforeIter = buffer.GetIterAtMark(emojiMark);
var emojiTag = new EmojiTag(emojiMark, imagePath)
{
Rise = -descent
};
_MessageTextTagTable.Add(emojiTag);
buffer.ApplyTag(emojiTag, beforeIter, iter);
}
void AddEmoji(Gtk.TextBuffer buffer, ref Gtk.TextIter iter, ImageMessagePartModel imgPart, string shortName)
{
var unicode = Emojione.ShortnameToUnicode(shortName);
if (unicode == null) {
AddAlternativeText(buffer, ref iter, imgPart);
return;
}
int width, height;
int widthPango, heightPango;
int descent;
using (var layout = CreatePangoLayout(null)) {
layout.GetPixelSize(out width, out height);
layout.GetSize(out widthPango, out heightPango);
descent = layout.Context.GetMetrics(layout.FontDescription, null).Descent;
}
// A mark here serves two pusposes. One is to allow us to apply the
// tag across the pixbuf. It also lets us know later where to put
// the pixbuf if we need to load it from the network
var mark = new Gtk.TextMark(null, true);
buffer.AddMark(mark, iter);
var emojiName = unicode + ".png";
string emojiPath;
if (EmojiCache.TryGetIcon("emojione", emojiName, out emojiPath)) {
var emojiFile = new FileInfo(emojiPath);
if (emojiFile.Exists && emojiFile.Length > 0) {
var pix = new Gdk.Pixbuf(emojiPath, -1, height);
buffer.InsertPixbuf(ref iter, pix);
var beforeIter = buffer.GetIterAtMark(mark);
var imgTag = new EmojiTag(mark, emojiFile.FullName);
imgTag.Rise = - descent;
_MessageTextTagTable.Add(imgTag);
buffer.ApplyTag(imgTag, beforeIter, iter);
} else {
AddAlternativeText(buffer, ref iter, imgPart);
}
return;
}
var emojiUrl = Emojione.UnicodeToUrl(unicode);
EmojiCache.BeginDownloadFile("emojione", emojiName, emojiUrl,
(path) => {
GLib.Idle.Add(delegate {
var afterIter = buffer.GetIterAtMark(mark);
buffer.InsertPixbuf(ref afterIter, new Gdk.Pixbuf(path, -1, height));
var beforeIter = buffer.GetIterAtMark(mark);
var emojiTag = new EmojiTag(mark, path);
_MessageTextTagTable.Add(emojiTag);
emojiTag.Rise = - descent;
buffer.ApplyTag(emojiTag, beforeIter, afterIter);
return false;
});
},
(ex) => {
GLib.Idle.Add(delegate {
var markIter = buffer.GetIterAtMark(mark);
buffer.DeleteMark(mark);
AddAlternativeText(buffer, ref markIter, imgPart);
return false;
});
}
);
}
void AddEmoji(Gtk.TextBuffer buffer, ref Gtk.TextIter iter, ImageMessagePartModel imgPart, string shortName)
{
var unicode = Emojione.ShortnameToUnicode(shortName);
if (unicode == null)
{
AddAlternativeText(buffer, ref iter, imgPart);
return;
}
int width, height;
int descent;
using (var layout = CreatePangoLayout(null)) {
layout.GetPixelSize(out width, out height);
descent = layout.Context.GetMetrics(layout.FontDescription, null).Descent;
}
// A mark here serves two pusposes. One is to allow us to apply the
// tag across the pixbuf. It also lets us know later where to put
// the pixbuf if we need to load it from the network
var mark = new Gtk.TextMark(null, true);
buffer.AddMark(mark, iter);
var emojiName = unicode + ".png";
string emojiPath;
if (EmojiCache.TryGetIcon("emojione", emojiName, out emojiPath))
{
var emojiFile = new FileInfo(emojiPath);
if (emojiFile.Exists && emojiFile.Length > 0)
{
var pix = new Gdk.Pixbuf(emojiPath, -1, height);
buffer.InsertPixbuf(ref iter, pix);
var beforeIter = buffer.GetIterAtMark(mark);
var imgTag = new EmojiTag(mark, emojiFile.FullName);
imgTag.Rise = -descent;
_MessageTextTagTable.Add(imgTag);
buffer.ApplyTag(imgTag, beforeIter, iter);
}
else
{
AddAlternativeText(buffer, ref iter, imgPart);
}
return;
}
var emojiUrl = Emojione.UnicodeToUrl(unicode);
EmojiCache.BeginDownloadFile("emojione", emojiName, emojiUrl,
(path) => {
GLib.Idle.Add(delegate {
var afterIter = buffer.GetIterAtMark(mark);
buffer.InsertPixbuf(ref afterIter, new Gdk.Pixbuf(path, -1, height));
var beforeIter = buffer.GetIterAtMark(mark);
var emojiTag = new EmojiTag(mark, path);
_MessageTextTagTable.Add(emojiTag);
emojiTag.Rise = -descent;
buffer.ApplyTag(emojiTag, beforeIter, afterIter);
return(false);
});
},
(ex) => {
GLib.Idle.Add(delegate {
var markIter = buffer.GetIterAtMark(mark);
buffer.DeleteMark(mark);
AddAlternativeText(buffer, ref markIter, imgPart);
return(false);
});
}
);
}