private void btnSelectGradient_Click(object sender, EventArgs e)
{
using (GradientMaker gradientForm = new GradientMaker(Config.WatermarkGradient) { Icon = Icon })
{
if (gradientForm.ShowDialog() == DialogResult.OK)
{
Config.WatermarkGradient = gradientForm.GradientData;
UpdatePreview();
}
}
}
private void btnSelectGradient_Click(object sender, EventArgs e)
{
using (GradientMaker gradientForm = new GradientMaker(Config.WatermarkGradient)
{
Icon = Icon
})
{
if (gradientForm.ShowDialog() == DialogResult.OK)
{
Config.WatermarkGradient = gradientForm.GradientData;
UpdatePreview();
}
}
}
private Image DrawWatermarkText(Image img, string drawText)
{
if (!string.IsNullOrEmpty(drawText) && Config.WatermarkFont.Size > 0)
{
Font font = null;
Brush backgroundBrush = null;
try
{
int offset = Config.WatermarkOffset;
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);
}
Rectangle labelRectangle = new Rectangle(Point.Empty, labelSize);
Color fontColor = Config.WatermarkFontArgb;
using (Bitmap bmp = new Bitmap(labelRectangle.Width + 1, labelRectangle.Height + 1))
using (Graphics g = Graphics.FromImage(bmp))
{
g.SmoothingMode = SmoothingMode.HighQuality;
g.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
if (Config.WatermarkUseCustomGradient)
{
backgroundBrush = GradientMaker.CreateGradientBrush(labelRectangle.Size, Config.WatermarkGradient);
}
else
{
backgroundBrush = new LinearGradientBrush(labelRectangle, Config.WatermarkGradient1Argb, Config.WatermarkGradient2Argb, Config.WatermarkGradientType);
}
using (GraphicsPath gPath = new GraphicsPath())
using (Pen borderPen = new Pen(Config.WatermarkBorderArgb))
{
gPath.AddRoundedRectangle(labelRectangle, Config.WatermarkCornerRadius);
g.FillPath(backgroundBrush, gPath);
g.DrawPath(borderPen, gPath);
}
using (Brush textBrush = new SolidBrush(fontColor))
using (StringFormat sf = new StringFormat {
Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center
})
{
g.DrawString(drawText, font, textBrush, bmp.Width / 2f, bmp.Height / 2f, sf);
}
using (Graphics gImg = Graphics.FromImage(img))
{
gImg.SmoothingMode = SmoothingMode.HighQuality;
gImg.DrawImage(bmp, labelPosition.X, labelPosition.Y, bmp.Width, bmp.Height);
if (Config.WatermarkAddReflection)
{
using (Bitmap bmp2 = ImageHelpers.AddReflection(bmp, 50, 150, 10))
{
gImg.DrawImage(bmp2, new Rectangle(labelPosition.X, labelPosition.Y + bmp.Height - 1, bmp2.Width, bmp2.Height));
}
}
}
}
}
catch (Exception ex)
{
DebugHelper.WriteException(ex, "Error while drawing watermark");
}
finally
{
if (font != null)
{
font.Dispose();
}
if (backgroundBrush != null)
{
backgroundBrush.Dispose();
}
}
}
return(img);
}
