private void ComboBox_DrawItem(object sender, DrawItemEventArgs e)
{
e.DrawBackground();
Graphics g = e.Graphics;
if ((e.State & DrawItemState.ComboBoxEdit) > 0)
{
TextRenderer.DrawText(g, ComboBoxEx.Text, e.Font, e.Bounds.Location, e.ForeColor, e.BackColor);
}
else if (e.Index >= 0)
{
string name = (string)Items[e.Index];
using (TextObject sample = new TextObject())
{
sample.Bounds = new RectangleF(e.Bounds.Left + 2, e.Bounds.Top + 2, e.Bounds.Width - 4, e.Bounds.Height - 4);
sample.Text = name;
sample.HorzAlign = HorzAlign.Center;
sample.VertAlign = VertAlign.Center;
if (FReport != null)
{
int index = FReport.Styles.IndexOf(name);
if (index != -1)
{
sample.ApplyStyle(FReport.Styles[index]);
}
}
using (GraphicCache cache = new GraphicCache())
{
sample.Draw(new FRPaintEventArgs(g, 1, 1, cache));
}
}
}
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
e.DrawBackground();
Graphics g = e.Graphics;
if (e.Index >= 0)
{
string name = (string)Items[e.Index];
using (TextObject sample = new TextObject())
{
sample.Bounds = new RectangleF(e.Bounds.Left + 2, e.Bounds.Top + 2, e.Bounds.Width - 4, e.Bounds.Height - 4);
sample.Text = name;
sample.HorzAlign = HorzAlign.Center;
sample.VertAlign = VertAlign.Center;
if (FStyles != null)
{
int index = FStyles.IndexOf(name);
if (index != -1)
{
sample.ApplyStyle(FStyles[index]);
}
}
using (GraphicCache cache = new GraphicCache())
{
sample.Draw(new FRPaintEventArgs(g, 1, 1, cache));
}
}
}
}
/// <summary>
/// Initializes a new instance of the <b>FRPaintEventArgs</b> class with specified settings.
/// </summary>
/// <param name="g"><b>IGraphicsRenderer</b> object to draw on.</param>
/// <param name="scaleX">X scale factor.</param>
/// <param name="scaleY">Y scale factor.</param>
/// <param name="cache">Cache that contains graphics objects.</param>
public FRPaintEventArgs(IGraphics g, float scaleX, float scaleY, GraphicCache cache)
{
graphics = g;
this.scaleX = scaleX;
this.scaleY = scaleY;
this.cache = cache;
}
private Bitmap GetImage(HighlightCondition c)
{
Bitmap bmp = new Bitmap(16, 16);
using (Graphics g = Graphics.FromImage(bmp))
{
g.FillRectangle(Brushes.White, 0, 0, 16, 16);
using (TextObject sample = new TextObject())
{
sample.Bounds = new RectangleF(0, 0, 15, 15);
sample.ApplyCondition(c);
sample.Font = new Font("Times New Roman", 12, FontStyle.Bold);
sample.Text = "A";
sample.HorzAlign = HorzAlign.Center;
sample.VertAlign = VertAlign.Center;
using (GraphicCache cache = new GraphicCache())
{
sample.Draw(new FRPaintEventArgs(g, 1, 1, cache));
}
}
}
return(bmp);
}
/// <summary>
/// Initializes a new instance of the <b>FRPaintEventArgs</b> class with specified settings.
/// </summary>
/// <param name="g"><b>Graphics</b> object to draw on.</param>
/// <param name="scaleX">X scale factor.</param>
/// <param name="scaleY">Y scale factor.</param>
/// <param name="cache">Cache that contains graphics objects.</param>
public FRPaintEventArgs(Graphics g, float scaleX, float scaleY, GraphicCache cache)
{
FGraphics = g;
FScaleX = scaleX;
FScaleY = scaleY;
FCache = cache;
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
// draw control frame
Pen p = new Pen(Color.FromArgb(127, 157, 185));
g.DrawRectangle(p, 0, 0, Width - 1, Height - 1);
p.Dispose();
// draw corners
p = SystemPens.ControlDark;
g.DrawLine(p, 10, 10, 10, 5);
g.DrawLine(p, 10, 10, 5, 10);
g.DrawLine(p, 10, Height - 11, 10, Height - 6);
g.DrawLine(p, 10, Height - 11, 5, Height - 11);
g.DrawLine(p, Width - 11, 10, Width - 11, 5);
g.DrawLine(p, Width - 11, 10, Width - 6, 10);
g.DrawLine(p, Width - 11, Height - 11, Width - 11, Height - 6);
g.DrawLine(p, Width - 11, Height - 11, Width - 6, Height - 11);
// draw text
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
g.DrawString(Res.Get("Misc,Sample"), Font, SystemBrushes.WindowText, DisplayRectangle, sf);
sf.Dispose();
// draw border
if (Border != null)
{
using (GraphicCache cache = new GraphicCache())
{
Border.Draw(new FRPaintEventArgs(g, 1, 1, cache), new RectangleF(10, 10, Width - 21, Height - 21));
}
}
}
private Stream CreateBarcodeImageStream(PrintElementBuildContext buildContext, dynamic elementMetadata, PrintElementSize imageSize)
{
string textSting = BuildHelper.FormatValue(buildContext, elementMetadata.Text, elementMetadata.SourceFormat);
textSting = PrepareText(textSting);
if (textSting != null)
{
bool showText;
showText = !ConvertHelper.TryToBool(elementMetadata.ShowText, out showText) || showText;
// Для генерации штрих-кода используется функциональность FastReport
try
{
var barcode = new BarcodeObject
{
Barcode = CreateBarcode(elementMetadata),
ShowText = showText,
Text = textSting,
Height = 64
};
// Для получения размеров штрих-кода рисуем его первый раз
using (var codeBmp = new Bitmap(1, 1))
using (var graphics = Graphics.FromImage(codeBmp))
using (var graphicCache = new GraphicCache())
{
barcode.Draw(new FRPaintEventArgs(graphics, 1, 1, graphicCache));
}
// Теперь, зная размеры штрих-кода, рисуем его второй раз
if (barcode.Width > 0 && barcode.Height > 0)
{
using (var codeBmp = new Bitmap((int)barcode.Width, (int)barcode.Height))
using (var graphics = Graphics.FromImage(codeBmp))
using (var graphicCache = new GraphicCache())
{
graphics.Clear(Color.White);
barcode.Draw(new FRPaintEventArgs(graphics, 1, 1, graphicCache));
imageSize.Width = codeBmp.Width;
imageSize.Height = codeBmp.Height;
var codeStream = new MemoryStream();
codeBmp.Save(codeStream, ImageFormat.Png);
codeStream.Seek(0, SeekOrigin.Begin);
return(codeStream);
}
}
}
catch
{
}
}
return(null);
}
private void pnSample_Paint(object sender, PaintEventArgs e)
{
if (CurrentStyle == null)
{
return;
}
FSample.ApplyStyle(CurrentStyle);
FSample.Bounds = new RectangleF(2, 2, pnSample.Width - 4, pnSample.Height - 4);
FSample.HorzAlign = HorzAlign.Center;
FSample.VertAlign = VertAlign.Center;
using (GraphicCache cache = new GraphicCache())
{
FSample.Draw(new FRPaintEventArgs(e.Graphics, 1, 1, cache));
}
}
private void DrawPages(Graphics g)
{
if (Disabled)
{
return;
}
// draw visible pages
int firstVisible = PreviewPages.FindFirstVisiblePage(Offset.Y);
int lastVisible = PreviewPages.FindLastVisiblePage(Offset.Y + ClientSize.Height);
for (int i = firstVisible; i <= lastVisible; i++)
{
Rectangle pageBounds = PreviewPages.GetPageBounds(i);
pageBounds.Offset(-Offset.X, -Offset.Y);
ReportPage page = PreparedPages.GetCachedPage(i);
// draw shadow around page
ShadowPaintInfo pi = new ShadowPaintInfo();
pi.Graphics = g;
pi.Rectangle = new Rectangle(pageBounds.Left - 4, pageBounds.Top - 4, pageBounds.Width + 4, pageBounds.Height + 4);
pi.Size = 5;
ShadowPainter.Paint2(pi);
// shift the origin because page.Draw draws at 0, 0
g.TranslateTransform((int)pageBounds.Left, (int)pageBounds.Top);
FRPaintEventArgs e = new FRPaintEventArgs(g, Zoom, Zoom, GraphicCache);
// draw page
page.Draw(e);
// draw search highlight
if (SearchInfo != null && SearchInfo.Visible && SearchInfo.PageNo == i + 1)
{
page.DrawSearchHighlight(e, SearchInfo.ObjNo, SearchInfo.Ranges[SearchInfo.RangeNo]);
}
g.ResetTransform();
// draw border around active page
if (i == PageNo - 1)
{
Pen borderPen = GraphicCache.GetPen(Preview.ActivePageBorderColor, 2, DashStyle.Solid);
pageBounds.Inflate(-1, -1);
g.DrawRectangle(borderPen, pageBounds);
}
}
}
private void pnSample_Paint(object sender, PaintEventArgs e)
{
if (CurrentCondition == null)
{
return;
}
TextObject sample = new TextObject();
sample.Text = Res.Get("Misc,Sample");
sample.ApplyCondition(CurrentCondition);
sample.Bounds = new RectangleF(2, 2, pnSample.Width - 4, pnSample.Height - 4);
sample.HorzAlign = HorzAlign.Center;
sample.VertAlign = VertAlign.Center;
using (GraphicCache cache = new GraphicCache())
{
sample.Draw(new FRPaintEventArgs(e.Graphics, 1, 1, cache));
}
}
/// <summary>
/// Initializes a new instance of the <b>FRPaintEventArgs</b> class with specified settings.
/// </summary>
/// <param name="g"><b>Graphics</b> object to draw on.</param>
/// <param name="scaleX">X scale factor.</param>
/// <param name="scaleY">Y scale factor.</param>
/// <param name="cache">Cache that contains graphics objects.</param>
public FRPaintEventArgs(Graphics g, float scaleX, float scaleY, GraphicCache cache) :
this(new GdiGraphics(g, false), scaleX, scaleY, cache)
{
}
