private void btnWatermarkFont_Click(object sender, EventArgs e)
{
DialogResult result = ZScreenCoreHelper.ShowFontDialog(Config);
if (result == DialogResult.OK)
{
pbWatermarkFontColor.BackColor = Config.WatermarkFontArgb;
lblWatermarkFont.Text = FontToString();
TestWatermark();
}
}
private Image DrawWatermark(Image img, string drawText)
{
if (!string.IsNullOrEmpty(drawText))
{
if (0 == Config.WatermarkFont.Size)
{
ZScreenCoreHelper.ShowFontDialog(Config);
}
try
{
int offset = (int)Config.WatermarkOffset;
Font font = Config.WatermarkFont;
Size textSize = TextRenderer.MeasureText(drawText, font);
Size labelSize = new Size(textSize.Width + 10, textSize.Height + 10);
Point labelPosition = FindPosition(Config.WatermarkPositionMode, offset, img.Size,
new Size(textSize.Width + 10, textSize.Height + 10), 1);
if (Config.WatermarkAutoHide && ((img.Width < labelSize.Width + offset) ||
(img.Height < labelSize.Height + offset)))
{
return(img);
//throw new Exception("Image size smaller than watermark size.");
}
Rectangle labelRectangle = new Rectangle(Point.Empty, labelSize);
GraphicsPath gPath = GraphicsEx.GetRoundedRectangle(labelRectangle, (int)Config.WatermarkCornerRadius);
int backTrans = (int)Config.WatermarkBackTrans;
int fontTrans = (int)Config.WatermarkFontTrans;
Color fontColor = Config.WatermarkFontArgb;
Bitmap bmp = new Bitmap(labelRectangle.Width + 1, labelRectangle.Height + 1);
Graphics g = Graphics.FromImage(bmp);
g.SmoothingMode = SmoothingMode.HighQuality;
g.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
LinearGradientBrush brush;
if (Config.WatermarkUseCustomGradient)
{
brush = GradientMaker.CreateGradientBrush(labelRectangle.Size, Config.GradientMakerOptions.GetBrushDataActive());
}
else
{
brush = new LinearGradientBrush(labelRectangle, Color.FromArgb(backTrans, Config.WatermarkGradient1Argb),
Color.FromArgb(backTrans, Config.WatermarkGradient2Argb), Config.WatermarkGradientType);
}
g.FillPath(brush, gPath);
g.DrawPath(new Pen(Color.FromArgb(backTrans, Config.WatermarkBorderArgb)), gPath);
StringFormat sf = new StringFormat {
Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center
};
g.DrawString(drawText, font, new SolidBrush(Color.FromArgb(fontTrans, fontColor)), bmp.Width / 2, bmp.Height / 2, sf);
Graphics gImg = Graphics.FromImage(img);
gImg.SmoothingMode = SmoothingMode.HighQuality;
gImg.DrawImage(bmp, labelPosition);
if (Config.WatermarkAddReflection)
{
Bitmap bmp2 = AddReflection(bmp, 50, 200);
gImg.DrawImage(bmp2, new Rectangle(labelPosition.X, labelPosition.Y + bmp.Height - 1, bmp2.Width, bmp2.Height));
}
}
catch (Exception ex)
{
DebugHelper.WriteException(ex, "Errow while drawing watermark");
}
}
return(img);
}
