public SharedImage(MemoryImage image, int CRC = 0)
{
// CRC can be provided if already calculated - to avoid recalculating it
m_Image = image;
if (CRC == 0)
{
CRC = image.CalcCRC();
}
this.CRC = CRC;
}
public override void CopyFrom(Datum other, CopyDepth depth, Mapping mapID)
{
base.CopyFrom(other, depth, mapID);
SharedImage sharedImage = (SharedImage)other;
if (depth >= CopyDepth.Duplicate)
{
m_Image = sharedImage.m_Image?.Clone();
CRC = sharedImage.CRC;
}
m_ResourceName = sharedImage.m_ResourceName;
}
public void WriteOptionalMemoryImage(MemoryImage image)
{
if (image == null)
{
Write(false);
}
else
{
Write(true);
image.Save(this);
}
}
public override void DrawImage(MemoryImage image, RectangleF destination, RectangleF sourceRect, System.Drawing.Imaging.ImageAttributes attributes = null)
{
if (image.IsSVG && sourceRect.Location.IsEmpty && sourceRect.Size.Equals(image.Size.ToSizeF()))
{ // sourceRect param was actually redundant as it specifies the entire thing
// this check done for efficiency, since if rendering the entire thing we can use SVG, whereas code below generates an entire new image each time
DrawImage(image, destination, attributes);
return;
}
string ID = PrepareMemoryImage(image, image.GetHashCode(), sourceRect);
SimpleImage(ID, sourceRect.Size, destination);
}
public override void Load(DataReader reader)
{
base.Load(reader);
CRC = reader.ReadInt32();
if (reader.Version < 76 || reader.ReadBoolean()) // Version 76 onwards start with a boolean indicating what is stored in the object
{
m_Image = new MemoryImage(reader);
}
else
{
m_ResourceName = reader.ReadString();
}
}
/// <summary>Adds the given file to the displayed list</summary>
private void ShowPicture(DisplayedImage image)
{
PictureBox ctr = new PictureBox();
MemoryImage memory = new MemoryImage(image.Filename); // this is used for its SVG handling. We don't really need the memory buffer overhead!
ctr.Image = memory.GetNetImage();
ctr.Tag = image;
ctr.Size = new Size(100, 100);
ctr.SizeMode = PictureBoxSizeMode.Zoom;
ctr.Margin = new Padding(10, 10, 10, 10);
ctr.Padding = new Padding(10, 10, 10, 10);
ctr.Click += Image_Click;
ctr.DoubleClick += Image_DoubleClick;
pnlImages.Controls.Add(ctr);
}
public void btnChangeActivityIcon_Click(object sender, EventArgs e)
{
string filename = FileDialog.ShowOpen(FileDialog.Context.Image);
if (string.IsNullOrEmpty(filename))
{
return;
}
m_Image = new MemoryImage(filename);
m_Image.ChangeToBitmap(new Size(144, 144));
pnlPreviewActivityIcon.Image = m_Image.GetNetImage();
EnableOK();
Globals.OnAvailableActivitiesChanged();
// We should also raise this if the text changes; but that's more complicated if we don't want to raise numerous events, and I'm not sure it's worth the effort
}
private string PrepareMemoryImage(MemoryImage img, int imageKey, RectangleF source)
{
if (!img.IsSVG)
{
return(PrepareImage((Bitmap)img.GetNetImage(true), imageKey, source));
}
// rest for SVG only, which partially repeats PrepareImage (above)
string ID = "img" + imageKey.ToString("x");
RectangleF bounds = new RectangleF(PointF.Empty, img.Size);
if (!source.IsEmpty && !source.Equals(bounds))
{
ID += "_" + source.GetHashCode();
}
if (!m_Images.Contains(ID))
{ // for SVG images can just retrieve the data directly from the memory image (no need to worry about formats)
Debug.Assert(img.Buffer != null);
AddImageToDefinitions(img.Buffer, ID, img.Size, "svg+xml");
}
return(ID);
}
public abstract void DrawImage(MemoryImage image, PointF[] destinationPoints, RectangleF sourceRect, ImageAttributes attributes = null);
// The image can be specified in 3 ways. cannot just use .net images because PDF/SVG can't really use these. We need access to the underlying data // likewise there are 3 different ways of specifying the coordinates public abstract void DrawImage(MemoryImage image, RectangleF destination, ImageAttributes attributes = null);
public override void DrawImage(MemoryImage image, PointF[] destinationPoints, RectangleF sourceRect, ImageAttributes attributes = null)
{
image.Draw(gr, destinationPoints, sourceRect, attributes);
}
public override void DrawImage(MemoryImage image, RectangleF destination, ImageAttributes attributes = null)
{
image.Draw(gr, destination, attributes);
}
public override void DrawImage(MemoryImage image, RectangleF destination, System.Drawing.Imaging.ImageAttributes attributes = null)
{
string ID = PrepareMemoryImage(image, image.GetHashCode(), RectangleF.Empty);
SimpleImage(ID, image.Size, destination);
}
public override void DrawImage(MemoryImage image, PointF[] destinationPoints, RectangleF sourceRect, System.Drawing.Imaging.ImageAttributes attributes = null)
{
var ID = PrepareMemoryImage(image, image.GetHashCode(), sourceRect);
ComplexImage(ID, sourceRect, destinationPoints);
}
