/// <summary>
/// Renders the bar code.
/// </summary>
protected internal override void Render(XGraphics gfx, XBrush brush, XFont font, XPoint position)
{
XGraphicsState state = gfx.Save();
BarCodeRenderInfo info = new BarCodeRenderInfo(gfx, brush, font, position);
InitRendering(info);
info.CurrPosInString = 0;
//info.CurrPos = info.Center - Size / 2;
info.CurrPos = position - CodeBase.CalcDistance(AnchorType.TopLeft, Anchor, Size);
if (TurboBit)
{
RenderTurboBit(info, true);
}
RenderStart(info);
while (info.CurrPosInString < Text.Length)
{
RenderNextPair(info);
}
RenderStop(info);
if (TurboBit)
{
RenderTurboBit(info, false);
}
if (TextLocation != TextLocation.None)
{
RenderText(info);
}
gfx.Restore(state);
}
private void RenderStart(BarCodeRenderInfo info)
{
RenderBar(info, false);
RenderGap(info, false);
RenderBar(info, false);
RenderGap(info, false);
}
/// <summary>
/// Renders the next digit pair as bar code element.
/// </summary>
private void RenderNextPair(BarCodeRenderInfo info)
{
int digitForLines = int.Parse(Text[info.CurrPosInString].ToString());
int digitForGaps = int.Parse(Text[info.CurrPosInString + 1].ToString());
bool[] linesArray = Lines[digitForLines];
bool[] gapsArray = Lines[digitForGaps];
for (int idx = 0; idx < 5; ++idx)
{
RenderBar(info, linesArray[idx]);
RenderGap(info, gapsArray[idx]);
}
info.CurrPosInString += 2;
}
/// <summary>
/// Calculates the thick and thin line widths,
/// taking into account the required rendering size.
/// </summary>
internal override void CalcThinBarWidth(BarCodeRenderInfo info)
{
/*
* The total width is the sum of the following parts:
* Starting lines = 4 * thin
* +
* Code Representation = (2 * thick + 3 * thin) * code.Length
* +
* Stopping lines = 1 * thick + 2 * thin
*
* with r = relation ( = thick / thin), this results in
*
* Total width = (6 + r + (2 * r + 3) * text.Length) * thin
*/
double thinLineAmount = 6 + WideNarrowRatio + (2 * WideNarrowRatio + 3) * Text.Length;
info.ThinBarWidth = Size.Width / thinLineAmount;
}
/// <summary>
/// Renders the bar code.
/// </summary>
protected internal override void Render(XGraphics gfx, XBrush brush, XFont font, XPoint position)
{
XGraphicsState state = gfx.Save();
BarCodeRenderInfo info = new BarCodeRenderInfo(gfx, brush, font, position);
InitRendering(info);
info.CurrPosInString = 0;
//info.CurrPos = info.Center - Size / 2;
info.CurrPos = position - CodeBase.CalcDistance(AnchorType.TopLeft, Anchor, Size);
if (TurboBit)
RenderTurboBit(info, true);
RenderStart(info);
while (info.CurrPosInString < Text.Length)
RenderNextPair(info);
RenderStop(info);
if (TurboBit)
RenderTurboBit(info, false);
if (TextLocation != TextLocation.None)
RenderText(info);
gfx.Restore(state);
}
/// <summary>
/// Renders the next digit pair as bar code element.
/// </summary>
private void RenderNextPair(BarCodeRenderInfo info)
{
int digitForLines = int.Parse(Text[info.CurrPosInString].ToString());
int digitForGaps = int.Parse(Text[info.CurrPosInString + 1].ToString());
bool[] linesArray = Lines[digitForLines];
bool[] gapsArray = Lines[digitForGaps];
for (int idx = 0; idx < 5; ++idx)
{
RenderBar(info, linesArray[idx]);
RenderGap(info, gapsArray[idx]);
}
info.CurrPosInString += 2;
}
private void RenderStop(BarCodeRenderInfo info)
{
RenderBar(info, true);
RenderGap(info, false);
RenderBar(info, false);
}
/// <summary>
/// Calculates the thick and thin line widths,
/// taking into account the required rendering size.
/// </summary>
internal override void CalcThinBarWidth(BarCodeRenderInfo info)
{
/*
* The total width is the sum of the following parts:
* Starting lines = 4 * thin
* +
* Code Representation = (2 * thick + 3 * thin) * code.Length
* +
* Stopping lines = 1 * thick + 2 * thin
*
* with r = relation ( = thick / thin), this results in
*
* Total width = (6 + r + (2 * r + 3) * text.Length) * thin
*/
double thinLineAmount = 6 + WideNarrowRatio + (2 * WideNarrowRatio + 3) * Text.Length;
info.ThinBarWidth = Size.Width / thinLineAmount;
}
