| public ConcatCTM ( float a, float b, float c, float d, float e, float f ) : void | ||
| a | float | |
| b | float | |
| c | float | |
| d | float | |
| e | float | |
| f | float | |
| Résultat | void | |
/** Shows a line of text. Only the first line is written.
* @param canvas where the text is to be written to
* @param alignment the alignment. It is not influenced by the run direction
* @param phrase the <CODE>Phrase</CODE> with the text
* @param x the x reference position
* @param y the y reference position
* @param rotation the rotation to be applied in degrees counterclockwise
* @param runDirection the run direction
* @param arabicOptions the options for the arabic shaping
*/
public static void ShowTextAligned(PdfContentByte canvas, int alignment, Phrase phrase, float x, float y, float rotation, int runDirection, int arabicOptions) {
if (alignment != Element.ALIGN_LEFT && alignment != Element.ALIGN_CENTER
&& alignment != Element.ALIGN_RIGHT)
alignment = Element.ALIGN_LEFT;
canvas.SaveState();
ColumnText ct = new ColumnText(canvas);
float lly = -1;
float ury = 2;
float llx;
float urx;
switch (alignment) {
case Element.ALIGN_LEFT:
llx = 0;
urx = 20000;
break;
case Element.ALIGN_RIGHT:
llx = -20000;
urx = 0;
break;
default:
llx = -20000;
urx = 20000;
break;
}
if (rotation == 0) {
llx += x;
lly += y;
urx += x;
ury += y;
}
else {
double alpha = rotation * Math.PI / 180.0;
float cos = (float)Math.Cos(alpha);
float sin = (float)Math.Sin(alpha);
canvas.ConcatCTM(cos, sin, -sin, cos, x, y);
}
ct.SetSimpleColumn(phrase, llx, lly, urx, ury, 2, alignment);
if (runDirection == PdfWriter.RUN_DIRECTION_RTL) {
if (alignment == Element.ALIGN_LEFT)
alignment = Element.ALIGN_RIGHT;
else if (alignment == Element.ALIGN_RIGHT)
alignment = Element.ALIGN_LEFT;
}
ct.Alignment = alignment;
ct.ArabicOptions = arabicOptions;
ct.RunDirection = runDirection;
ct.Go();
canvas.RestoreState();
}
/** Places the barcode in a <CODE>PdfContentByte</CODE>. The
* barcode is always placed at coodinates (0, 0). Use the
* translation matrix to move it elsewhere.<p>
* The bars and text are written in the following colors:<p>
* <P><TABLE BORDER=1>
* <TR>
* <TH><P><CODE>barColor</CODE></TH>
* <TH><P><CODE>textColor</CODE></TH>
* <TH><P>Result</TH>
* </TR>
* <TR>
* <TD><P><CODE>null</CODE></TD>
* <TD><P><CODE>null</CODE></TD>
* <TD><P>bars and text painted with current fill color</TD>
* </TR>
* <TR>
* <TD><P><CODE>barColor</CODE></TD>
* <TD><P><CODE>null</CODE></TD>
* <TD><P>bars and text painted with <CODE>barColor</CODE></TD>
* </TR>
* <TR>
* <TD><P><CODE>null</CODE></TD>
* <TD><P><CODE>textColor</CODE></TD>
* <TD><P>bars painted with current color<br>text painted with <CODE>textColor</CODE></TD>
* </TR>
* <TR>
* <TD><P><CODE>barColor</CODE></TD>
* <TD><P><CODE>textColor</CODE></TD>
* <TD><P>bars painted with <CODE>barColor</CODE><br>text painted with <CODE>textColor</CODE></TD>
* </TR>
* </TABLE>
* @param cb the <CODE>PdfContentByte</CODE> where the barcode will be placed
* @param barColor the color of the bars. It can be <CODE>null</CODE>
* @param textColor the color of the text. It can be <CODE>null</CODE>
* @return the dimensions the barcode occupies
*/
public override Rectangle PlaceBarcode(PdfContentByte cb, BaseColor barColor, BaseColor textColor) {
if (supp.Font != null)
supp.BarHeight = ean.BarHeight + supp.Baseline - supp.Font.GetFontDescriptor(BaseFont.CAPHEIGHT, supp.Size);
else
supp.BarHeight = ean.BarHeight;
Rectangle eanR = ean.BarcodeSize;
cb.SaveState();
ean.PlaceBarcode(cb, barColor, textColor);
cb.RestoreState();
cb.SaveState();
cb.ConcatCTM(1, 0, 0, 1, eanR.Width + n, eanR.Height - ean.BarHeight);
supp.PlaceBarcode(cb, barColor, textColor);
cb.RestoreState();
return this.BarcodeSize;
}
protected override void Draw(PdfContentByte cb)
{
//change the coordinate system for all what follows
//bottom left corner to top right corner
cb.ConcatCTM(1, 0, 0, -1, -viewBox.Left, height - viewBox.Bottom);
}
protected override void Draw(PdfContentByte cb)
{
//TODO if width and height not know: what to do
//PdfTemplate template = cb.CreateTemplate(this.width, this.height);
PdfTemplate template = cb.CreateTemplate(500, 500);
//draw the list of elements on the new template
foreach (IElement elem in this.list)
{
Graphic graphic = (Graphic)elem;
if (applyCSSToElements)
{
graphic.Draw(template, GetCombinedCss(graphic.GetCss(), GetCss()));
}
else
{
graphic.Draw(template, graphic.GetCss());
}
}
//add the template at the x, y position
System.Drawing.Drawing2D.Matrix translation = new System.Drawing.Drawing2D.Matrix();
translation.Translate(this.x, this.y);
cb.ConcatCTM(translation);
cb.Add(template);
}
private void ShowText(PdfContentByte cb, float x, float y, float xPrevious, float yPrevious, double xmidden, double ymidden, String character)
{
double corner = CalculateCorner(x, y, xPrevious, yPrevious);
cb.SaveState();
PdfTemplate template2 = cb.CreateTemplate(1000, 1000);
template2.BeginText();
template2.SetColorFill(BaseColor.BLACK);
BaseFont bf = BaseFont.CreateFont();
template2.SetFontAndSize(bf, fontsize);
//template2.SetTextRise(10);
//double halfWidthOfCharacter = cb.GetEffectiveStringWidth(character+"", true) / 2.0;
template2.SetTextMatrix(0, 0);
template2.ShowText(character + "");
template2.EndText();
Matrix translation = new Matrix();
translation.Translate((float)xmidden, (float)ymidden);
cb.ConcatCTM(translation);
Matrix rotation = new Matrix();
rotation.Rotate((float)corner);
cb.ConcatCTM(rotation);
cb.ConcatCTM(1, 0, 0, -1, 0, 0);
cb.AddTemplate(template2, 0, 0);
cb.RestoreState();
}
void DrawGroup(PdfContentByte cb)
{
//TODO if width and height not know: what to do
//PdfTemplate template = cb.CreateTemplate(this.width, this.height);
PdfTemplate template = cb.CreateTemplate(500, 500);
//draw the list of elements on the new template
IList<int> xSpacing = null, ySpacing = null;
float defaultSpacing = template.CharacterSpacing;
float rise = 0;
template.BeginText();
//
foreach (IElement elem in this.list)
{
Text text = (Text)elem;
//CssSvgAppliers.GetInstance().ApplyForText(, text.GetCss(), text.GetChunk());
CssSvgAppliers.GetInstance().ApplyForText(template, text.GetCss(), text.GetChunk());
if (!text.IsRelative())
{
//when there are x,y coordinates in the text or tspan
template.SetTextMatrix(text.GetX(), -1 * text.GetY());
}
//System.out.Println(text.chunk.GetFont());
//the spacing
if (text.Dx != null)
{
xSpacing = text.Dx;
}
if (text.Dy != null)
{
ySpacing = text.Dy;
rise = 0;
}
if (xSpacing != null || ySpacing != null)
{
String display = text.GetText();
for (int i = 0; i < display.Length; i++)
{
if (xSpacing != null && xSpacing.Count > 0)
{
template.SetCharacterSpacing(xSpacing[0]);
xSpacing.Remove(0);
}
if (ySpacing != null && ySpacing.Count > 0)
{
rise = rise - ySpacing[0];
template.SetTextRise(rise);
ySpacing.Remove(0);
}
else
{
template.SetTextRise(rise);
}
template.ShowText(display.Substring(i, 1));
template.SetCharacterSpacing(defaultSpacing);
}
}
else
{
template.ShowText(text.GetText());
}
}
template.EndText();
//add the template at the x, y position
cb.ConcatCTM(1, 0, 0, -1, 0, 0);
cb.Add(template);
}
/** Shows a line of text. Only the first line is written.
* @param canvas where the text is to be written to
* @param alignment the alignment. It is not influenced by the run direction
* @param phrase the <CODE>Phrase</CODE> with the text
* @param x the x reference position
* @param y the y reference position
* @param rotation the rotation to be applied in degrees counterclockwise
* @param runDirection the run direction
* @param arabicOptions the options for the arabic shaping
*/
public static void ShowTextAligned(PdfContentByte canvas, int alignment, Phrase phrase, float x, float y, float rotation, int runDirection, int arabicOptions)
{
if (alignment != Element.ALIGN_LEFT && alignment != Element.ALIGN_CENTER
&& alignment != Element.ALIGN_RIGHT)
alignment = Element.ALIGN_LEFT;
canvas.SaveState();
ColumnText ct = new ColumnText(canvas);
if (rotation == 0) {
if (alignment == Element.ALIGN_LEFT)
ct.SetSimpleColumn(phrase, x, y - 1, 20000 + x, y + 2, 2, alignment);
else if (alignment == Element.ALIGN_RIGHT)
ct.SetSimpleColumn(phrase, x-20000, y-1, x, y+2, 2, alignment);
else
ct.SetSimpleColumn(phrase, x-20000, y-1, x+20000, y+2, 2, alignment);
}
else {
double alpha = rotation * Math.PI / 180.0;
float cos = (float)Math.Cos(alpha);
float sin = (float)Math.Sin(alpha);
canvas.ConcatCTM(cos, sin, -sin, cos, x, y);
if (alignment == Element.ALIGN_LEFT)
ct.SetSimpleColumn(phrase, 0, -1, 20000, 2, 2, alignment);
else if (alignment == Element.ALIGN_RIGHT)
ct.SetSimpleColumn(phrase, -20000, -1, 0, 2, 2, alignment);
else
ct.SetSimpleColumn(phrase, -20000, -1, 20000, 2, 2, alignment);
}
if (runDirection == PdfWriter.RUN_DIRECTION_RTL) {
if (alignment == Element.ALIGN_LEFT)
alignment = Element.ALIGN_RIGHT;
else if (alignment == Element.ALIGN_RIGHT)
alignment = Element.ALIGN_LEFT;
}
ct.Alignment = alignment;
ct.ArabicOptions = arabicOptions;
ct.RunDirection = runDirection;
ct.Go();
canvas.RestoreState();
}
