public static void DrawMessage(object graphics, Common.Message message, int xOffset, int yOffset,
Selection selection, int currentLine, bool drawText, List <GifEmoteState> gifEmotesOnScreen = null,
bool allowMessageSeperator = true)
{
message.X = xOffset;
message.Y = yOffset;
var g = (Graphics)graphics;
var spaceWidth =
GuiEngine.Current.MeasureStringSize(g, FontType.Medium, " ").Width;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
message.X = xOffset;
var textColor = App.ColorScheme.Text;
Brush highlightBrush = null;
if (message.HasAnyHighlightType(HighlightType.SearchResult))
{
highlightBrush = App.ColorScheme.ChatBackgroundSearchResult;
}
else if (message.HasAnyHighlightType(HighlightType.Highlighted))
{
highlightBrush = App.ColorScheme.ChatBackgroundHighlighted;
}
else if (message.HasAnyHighlightType(HighlightType.UsernameHighlighted))
{
highlightBrush = App.ColorScheme.ChatBackgroundUsernameHighlighted;
}
else if (message.HasAnyHighlightType(HighlightType.Resub))
{
highlightBrush = App.ColorScheme.ChatBackgroundResub;
}
else if (message.HasAnyHighlightType(HighlightType.Whisper))
{
highlightBrush = App.ColorScheme.ChatBackgroundWhisper;
}
else if (message.HasAnyHighlightType(HighlightType.HighlightedMessage))
{
highlightBrush = App.ColorScheme.ChatBackgroundHighlightedMessage;
}
if (highlightBrush != null)
{
g.FillRectangle(highlightBrush, 0, yOffset, g.ClipBounds.Width, message.Height);
}
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.Default;
for (var i = 0; i < message.Words.Count; i++)
{
var word = message.Words[i];
if (word.Type == SpanType.Text)
{
if (drawText)
{
var font = Fonts.GetFont(word.Font);
var color = textColor;
if (word.Color.HasValue)
{
var hsl = word.Color.Value;
if (App.ColorScheme.IsLightTheme)
{
if (hsl.Luminosity > 0.5f)
{
hsl = hsl.WithLuminosity(0.5f);
}
}
else
{
if (hsl.Luminosity < 0.3f)
{
hsl = hsl.WithLuminosity(0.3f);
}
}
float r, _g, b;
hsl.ToRGB(out r, out _g, out b);
color = Color.FromArgb((int)(r * 255), (int)(_g * 255), (int)(b * 255));
}
if (word.SplitSegments == null)
{
TextRenderer.DrawText(g, (string)word.Value, font,
new Point(xOffset + word.X, yOffset + word.Y), color, App.DefaultTextFormatFlags);
}
else
{
var segments = word.SplitSegments;
for (var x = 0; x < segments.Length; x++)
{
TextRenderer.DrawText(g, segments[x].Item1, font,
new Point(xOffset + segments[x].Item2.X, yOffset + segments[x].Item2.Y), color,
App.DefaultTextFormatFlags);
}
}
}
}
else if (word.Type == SpanType.LazyLoadedImage)
{
var emote = (LazyLoadedImage)word.Value;
var img = (ChatterinoImage)emote.Image;
if (img != null)
{
try
{
lock (img) {
img.DrawImage(g, word.X + xOffset, word.Y + yOffset, word.Width, word.Height);
}
}
catch { }
}
}
}
Action <int, bool, LazyLoadedImage> addWordToGifList = (i, selected, emote) =>
{
var word = message.Words[i];
var words = new List <Word>();
for (var j = i - 1; j >= 0; j--)
{
if (message.Words[j].Intersects(word))
{
words.Insert(0, message.Words[j]);
}
else
{
break;
}
}
words.Add(word);
for (var j = i + 1; j < message.Words.Count; j++)
{
if (message.Words[j].Intersects(word))
{
words.Add(message.Words[j]);
}
else
{
break;
}
}
gifEmotesOnScreen?.Add(new GifEmoteState(word.X + xOffset, word.Y + yOffset, word.Width, word.Height, words, selected, message.HighlightType, message.Disabled, yOffset, xOffset));
GuiEngine.Current.GifEmotesOnScreen.Add(emote);
};
if (selection != null && !selection.IsEmpty && selection.First.MessageIndex <= currentLine &&
selection.Last.MessageIndex >= currentLine)
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
var first = selection.First;
var last = selection.Last;
for (var i = 0; i < message.Words.Count; i++)
{
var word = message.Words[i];
if ((currentLine != first.MessageIndex || i >= first.WordIndex) &&
(currentLine != last.MessageIndex || i <= last.WordIndex))
{
if (word.Type == SpanType.Text)
{
for (var j = 0; j < (word.SplitSegments?.Length ?? 1); j++)
{
if ((first.MessageIndex == currentLine && first.WordIndex == i && first.SplitIndex > j) ||
(last.MessageIndex == currentLine && last.WordIndex == i && last.SplitIndex < j))
{
continue;
}
var split = word.SplitSegments?[j];
var text = split?.Item1 ?? (string)word.Value;
var rect = split?.Item2 ??
new CommonRectangle(word.X, word.Y, word.Width, word.Height);
var textLength = text.Length;
var offset = (first.MessageIndex == currentLine && first.SplitIndex == j &&
first.WordIndex == i)
? first.CharIndex
: 0;
var length = ((last.MessageIndex == currentLine && last.SplitIndex == j &&
last.WordIndex == i)
? last.CharIndex
: textLength) - offset;
if (offset == 0 && length == text.Length)
{
g.FillRectangle(_selectionBrush, rect.X + xOffset, rect.Y + yOffset,
GuiEngine.Current.MeasureStringSize(App.UseDirectX ? null : g, word.Font, text)
.Width + spaceWidth - 1, rect.Height);
}
else if (offset == text.Length)
{
g.FillRectangle(_selectionBrush, rect.X + xOffset + rect.Width, rect.Y + yOffset,
spaceWidth, rect.Height);
}
else
{
g.FillRectangle(_selectionBrush,
rect.X + xOffset +
(offset == 0
? 0
: GuiEngine.Current.MeasureStringSize(App.UseDirectX ? null : g, word.Font,
text.Remove(offset)).Width),
rect.Y + yOffset,
GuiEngine.Current.MeasureStringSize(App.UseDirectX ? null : g, word.Font,
text.Substring(offset, length)).Width +
((last.MessageIndex > currentLine || last.SplitIndex > j || last.WordIndex > i)
? spaceWidth
: 0),
rect.Height);
}
}
}
//else if (word.Type == SpanType.Image)
//{
// var textLength = 2;
// var offset = (first.MessageIndex == currentLine && first.WordIndex == i)
// ? first.CharIndex
// : 0;
// var length = ((last.MessageIndex == currentLine && last.WordIndex == i)
// ? last.CharIndex
// : textLength) - offset;
// g.FillRectangle(_selectionBrush, word.X + xOffset + (offset == 0 ? 0 : word.Width),
// word.Y + yOffset,
// (offset == 0 ? word.Width : 0) + (offset + length == 2 ? spaceWidth : 0) - 1,
// word.Height);
//}
else if (word.Type == SpanType.LazyLoadedImage)
{
var textLength = 2;
var offset = (first.MessageIndex == currentLine && first.WordIndex == i)
? first.CharIndex
: 0;
var length = ((last.MessageIndex == currentLine && last.WordIndex == i)
? last.CharIndex
: textLength) - offset;
var emote = (LazyLoadedImage)word.Value;
if (emote.IsAnimated)
{
addWordToGifList(i, true, emote);
}
else
{
g.FillRectangle(_selectionBrush, word.X + xOffset, word.Y + yOffset,
word.Width + spaceWidth - 1, word.Height);
}
}
}
else
{
if (word.Type == SpanType.LazyLoadedImage)
{
var emote = (LazyLoadedImage)word.Value;
if (emote.IsAnimated)
{
addWordToGifList(i, true, emote);
}
}
}
}
}
else
{
for (int i = 0; i < message.Words.Count; i++)
{
var word = message.Words[i];
if (word.Type == SpanType.LazyLoadedImage)
{
var emote = (LazyLoadedImage)word.Value;
if (emote.IsAnimated)
{
addWordToGifList(i, false, emote);
}
}
}
}
if (allowMessageSeperator && AppSettings.ChatSeperateMessages)
{
g.DrawLine(App.ColorScheme.ChatMessageSeperatorBorder, 0, yOffset + 1, message.Width + 128, yOffset + 1);
g.DrawLine(App.ColorScheme.ChatMessageSeperatorBorderInner, 0, yOffset, message.Width + 128, yOffset);
}
}
public CommonSize MeasureStringSize(object graphics, FontType font, string text)
{
var isGdi = graphics is Graphics;
var sizeCache = (isGdi ? gdiSizeCaches : dwSizeCaches).GetOrAdd(font, f =>
{
int lineHeight;
if (isGdi)
{
lineHeight = TextRenderer.MeasureText((Graphics)graphics, "X", Fonts.GetFont(font), Size.Empty, App.DefaultTextFormatFlags).Height;
}
else
{
using (var layout = new SharpDX.DirectWrite.TextLayout(Fonts.Factory, "X", Fonts.GetTextFormat(font), 1000000, 1000000))
{
var metrics = layout.Metrics;
lineHeight = (int)metrics.Height;
//lineHeight = (int)Math.Ceiling(Fonts.GetTextFormat(font).FontSize);
}
}
return(Tuple.Create(new ConcurrentDictionary <string, CommonSize>(), new ConcurrentStack <string>(), lineHeight));
});
return(sizeCache.Item1.GetOrAdd(text, s =>
{
if (sizeCache.Item2.Count >= sizeCacheStackLimit)
{
string value;
if (sizeCache.Item2.TryPop(out value))
{
CommonSize _s;
sizeCache.Item1.TryRemove(value, out _s);
}
}
sizeCache.Item2.Push(s);
if (isGdi)
{
var size = TextRenderer.MeasureText((IDeviceContext)graphics, text, Fonts.GetFont(font), Size.Empty, App.DefaultTextFormatFlags);
return new CommonSize(size.Width, sizeCache.Item3);
}
else
{
using (var layout = new SharpDX.DirectWrite.TextLayout(Fonts.Factory, text, Fonts.GetTextFormat(font), 1000000, 1000000))
{
var metrics = layout.Metrics;
return new CommonSize((int)metrics.WidthIncludingTrailingWhitespace, sizeCache.Item3);
}
}
}));
}