// ------------------------------------------------------------------
// Returns calculated column information - count, width, gap and rule.
// ------------------------------------------------------------------
internal static void GetColumnMetrics(StructuralCache structuralCache, out int cColumns, out double width, out double gap, out double rule)
{
ColumnPropertiesGroup columnProperties = new ColumnPropertiesGroup(structuralCache.PropertyOwner);
FontFamily pageFontFamily = (FontFamily)structuralCache.PropertyOwner.GetValue(Block.FontFamilyProperty);
double lineHeight = DynamicPropertyReader.GetLineHeightValue(structuralCache.PropertyOwner);
double pageFontSize = (double)structuralCache.PropertyOwner.GetValue(Block.FontSizeProperty);
Size pageSize = structuralCache.CurrentFormatContext.PageSize;
Thickness pageMargin = structuralCache.CurrentFormatContext.PageMargin;
double pageWidth = pageSize.Width - (pageMargin.Left + pageMargin.Right);
cColumns = PtsHelper.CalculateColumnCount(columnProperties, lineHeight, pageWidth, pageFontSize, pageFontFamily, true);
double freeSpace;
rule = columnProperties.ColumnRuleWidth;
PtsHelper.GetColumnMetrics(columnProperties, pageWidth,
pageFontSize, pageFontFamily, true, cColumns,
ref lineHeight, out width, out freeSpace, out gap);
if (columnProperties.IsColumnWidthFlexible && columnProperties.ColumnSpaceDistribution == ColumnSpaceDistribution.Between)
{
width += freeSpace / cColumns;
}
width = Math.Min(width, pageWidth);
}
internal unsafe static void GetColumnsInfo(ColumnPropertiesGroup columnProperties, double lineHeight, double pageWidth, double pageFontSize, FontFamily pageFontFamily, int cColumns, PTS.FSCOLUMNINFO *pfscolinfo, bool enableColumns)
{
double columnRuleWidth = columnProperties.ColumnRuleWidth;
double num;
double num2;
double num3;
PtsHelper.GetColumnMetrics(columnProperties, pageWidth, pageFontSize, pageFontFamily, enableColumns, cColumns, ref lineHeight, out num, out num2, out num3);
if (!columnProperties.IsColumnWidthFlexible)
{
for (int i = 0; i < cColumns; i++)
{
pfscolinfo[i].durBefore = TextDpi.ToTextDpi((i == 0) ? 0.0 : num3);
pfscolinfo[i].durWidth = TextDpi.ToTextDpi(num);
pfscolinfo[i].durBefore = Math.Max(0, pfscolinfo[i].durBefore);
pfscolinfo[i].durWidth = Math.Max(1, pfscolinfo[i].durWidth);
}
return;
}
for (int j = 0; j < cColumns; j++)
{
if (columnProperties.ColumnSpaceDistribution == ColumnSpaceDistribution.Right)
{
pfscolinfo[j].durWidth = TextDpi.ToTextDpi((j == cColumns - 1) ? (num + num2) : num);
}
else if (columnProperties.ColumnSpaceDistribution == ColumnSpaceDistribution.Left)
{
pfscolinfo[j].durWidth = TextDpi.ToTextDpi((j == 0) ? (num + num2) : num);
}
else
{
pfscolinfo[j].durWidth = TextDpi.ToTextDpi(num + num2 / (double)cColumns);
}
if (pfscolinfo[j].durWidth > TextDpi.ToTextDpi(pageWidth))
{
pfscolinfo[j].durWidth = TextDpi.ToTextDpi(pageWidth);
}
pfscolinfo[j].durBefore = TextDpi.ToTextDpi((j == 0) ? 0.0 : num3);
pfscolinfo[j].durBefore = Math.Max(0, pfscolinfo[j].durBefore);
pfscolinfo[j].durWidth = Math.Max(1, pfscolinfo[j].durWidth);
}
}
// Token: 0x06006942 RID: 26946 RVA: 0x001DCDB0 File Offset: 0x001DAFB0
internal static double CalculatePageMarginAdjustment(StructuralCache structuralCache, double pageMarginWidth)
{
double result = 0.0;
DependencyObject element = structuralCache.Section.Element;
if (element is FlowDocument)
{
ColumnPropertiesGroup columnPropertiesGroup = new ColumnPropertiesGroup(element);
if (!columnPropertiesGroup.IsColumnWidthFlexible)
{
double lineHeightValue = DynamicPropertyReader.GetLineHeightValue(element);
double pageFontSize = (double)structuralCache.PropertyOwner.GetValue(TextElement.FontSizeProperty);
FontFamily pageFontFamily = (FontFamily)structuralCache.PropertyOwner.GetValue(TextElement.FontFamilyProperty);
int cColumns = PtsHelper.CalculateColumnCount(columnPropertiesGroup, lineHeightValue, pageMarginWidth, pageFontSize, pageFontFamily, true);
double num;
double num2;
double num3;
PtsHelper.GetColumnMetrics(columnPropertiesGroup, pageMarginWidth, pageFontSize, pageFontFamily, true, cColumns, ref lineHeightValue, out num, out num2, out num3);
result = num2;
}
}
return(result);
}
