public TextBlockSet(int index, TextBlockCollection textBlocks)
{
this.Index = index;
this.TextBlocks = textBlocks;
if (this.TextBlocks.Count > 0)
{
this.FirstText = this.TextBlocks[0];
this.LastText = this.TextBlocks[this.TextBlocks.Count - 1];
this.Text = string.Join(" ", this.TextBlocks.Select(text => text.Text));
}
else
{
this.FirstText = new TextBlock();
this.LastText = new TextBlock();
this.Text = string.Empty;
}
this.LeftX = this.FirstText.LeftX;
this.RightX = this.LastText.RightX;
this.TopY = this.FirstText.TopY;
this.BottomY = this.LastText.BottomY;
this.CenterX = (int)Math.Round((this.LeftX + this.RightX) * 0.5d, MidpointRounding.AwayFromZero);
this.CenterY = (int)Math.Round((this.TopY + this.BottomY) * 0.5d, MidpointRounding.AwayFromZero);
this.Width = this.RightX - this.LeftX;
this.Height = this.BottomY - this.TopY;
this.Rotate = this.FirstText.Rotate;
}
public static TextBlockSetCollection MergeTextGroupByVertical(TextBlockCollection sources, bool isBottomFirst = true, double sizeRatio = SIZE_RATIO, double alignRatio = ALIGN_RATIO, double spacingRatio = SPACING_RATIO)
{
if (sources == null)
{
throw new NullReferenceException();
}
TextBlockSetCollection groupTexts = new TextBlockSetCollection();
TextBlockCollection texts, textsOrder;
Dictionary <int, int> duplicateDic = new Dictionary <int, int>();
foreach (TextBlock source in sources)
{
if (!duplicateDic.ContainsKey(source.Index))
{
texts = new TextBlockCollection();
texts.Add(source);
duplicateDic.Add(source.Index, source.Index);
FindVerticalTextsRecursive(current: source, sizeRatio: sizeRatio, alignRatio: alignRatio, spacingRatio: spacingRatio, texts: ref texts, sources: ref sources, duplicateDic: ref duplicateDic);
textsOrder = isBottomFirst ? new TextBlockCollection(texts.OrderBy(text => text.BottomY)) : new TextBlockCollection(texts.OrderBy(text => text.TopY));
groupTexts.Add(new TextBlockSet(index: groupTexts.Count, textBlocks: textsOrder));
}
}
return(groupTexts);
}
public static TextBlockSetCollection MergeTextLineByVertical(TextBlockCollection sources, bool isBottomFirst = true, double sizeRatio = SIZE_RATIO, double alignRatio = ALIGN_RATIO)
{
if (sources == null)
{
throw new NullReferenceException();
}
TextBlockSetCollection lineTexts = new TextBlockSetCollection();
TextBlockCollection textsLine, textsLineOrder;
TextBlock main, sub;
Dictionary <int, int> duplicateDic = new Dictionary <int, int>();
int size, align, index = 0;
for (int i = 0; i < sources.Count; i++)
{
if (!duplicateDic.ContainsKey(i))
{
main = sources[i];
size = (int)Math.Round(main.Width * sizeRatio, MidpointRounding.AwayFromZero);
align = (int)Math.Round(main.Width * alignRatio, MidpointRounding.AwayFromZero);
textsLine = new TextBlockCollection();
textsLine.Add(main);
duplicateDic.Add(i, i);
for (int j = i + 1; j < sources.Count; j++)
{
sub = sources[j];
if (!duplicateDic.ContainsKey(j))
{
if (IsSameFontSizeByVertical(blockA: main, blockB: sub, size: size) &&
IsAlignByVertical(blockA: main, blockB: sub, align: align))
{
textsLine.Add(sub);
duplicateDic.Add(j, j);
}
}
}
textsLineOrder = isBottomFirst ? new TextBlockCollection(textsLine.OrderBy(text => text.BottomY)) : new TextBlockCollection(textsLine.OrderBy(text => text.TopY));
lineTexts.Add(new TextBlockSet(index: index++, textBlocks: textsLineOrder));
}
}
return(lineTexts);
}
static void FindVerticalTextsRecursive(TextBlock current, double sizeRatio, double alignRatio, double spacingRatio, ref TextBlockCollection texts, ref TextBlockCollection sources, ref Dictionary <int, int> duplicateDic)
{
int size = (int)Math.Round(current.Width * sizeRatio, MidpointRounding.AwayFromZero);
int align = (int)Math.Round(current.Width * alignRatio, MidpointRounding.AwayFromZero);
int spacing = (int)Math.Round(current.Width * spacingRatio, MidpointRounding.AwayFromZero);
foreach (TextBlock source in sources)
{
if (!duplicateDic.ContainsKey(source.Index) &&
IsSameFontSizeByVertical(blockA: current, blockB: source, size: size) &&
IsAlignByVertical(blockA: current, blockB: source, align: align) &&
IsCloseTextByVertical(blockA: current, blockB: source, spacing: spacing))
{
texts.Add(source);
duplicateDic.Add(source.Index, source.Index);
FindVerticalTextsRecursive(current: source, sizeRatio: sizeRatio, alignRatio: alignRatio, spacingRatio: spacingRatio, texts: ref texts, sources: ref sources, duplicateDic: ref duplicateDic);
}
}
}
