public RasterImage GetPage(string key, int page)
{
if (_images.ContainsKey(key))
{
var image = _images[key];
if (image != null)
{
image.Page = page;
return(image.Clone());
}
return(null);
}
if (_imagePaths.ContainsKey(key))
{
if (File.Exists(_imagePaths[key]) == false)
{
return(null);
}
using (var codecs = MainForm.GetRasterCodecs())
{
codecs.Options.Load.AllPages = true;
RasterImage image = codecs.Load(_imagePaths[key], page);
image.ChangeViewPerspective(RasterViewPerspective.TopLeft);
return(image);
}
}
return(null);
}
private void InitClass(RasterImage image, ConversionColorFormat srcFormat)
{
_viewer = new ImageViewer();
_viewer.BackColor = Color.DarkGray;
_viewer.ViewHorizontalAlignment = ControlAlignment.Near;
_viewer.Dock = DockStyle.Fill;
_pnlViewer.Controls.Add(_viewer);
_viewer.BringToFront();
_viewer.Zoom(ControlSizeMode.Fit, 1, _viewer.DefaultZoomOrigin);
_cbFit.Checked = _viewer.SizeMode == ControlSizeMode.Fit;
// Start up the Color conversion toolkit.
RasterColorConverterEngine.Startup();
RasterImage tempImage = image.Clone();
if (tempImage.ViewPerspective != RasterViewPerspective.TopLeft)
{
tempImage.ChangeViewPerspective(RasterViewPerspective.TopLeft);
}
_width = tempImage.Width;
_height = tempImage.Height;
_bytesPerLine = tempImage.BytesPerLine;
_orgBuffer = new byte[_bytesPerLine * _height];
tempImage.Access();
for (int y = 0; y < _height - 1; y++)
{
tempImage.GetRow(y, _orgBuffer, (y * _width * 3), _width * 3);
}
_viewer.Image = tempImage;
tempImage.Release();
_srcFormat = srcFormat;
foreach (ConvertItem i in _convertItems)
{
_cbColorFormat.Items.Add(i);
if (i.Format == ConversionColorFormat.Yuv)
{
_cbColorFormat.SelectedItem = i;
}
}
UpdateMyControls();
}
public void StartGWire(int ExternalEnergy)
{
if (_gwireCommand != null)
{
return;
}
RasterImage image = _viewer.Image;
try
{
if (_viewer.Floater != null)
{
_viewer.Floater.Dispose();
_viewer.Floater = null;
}
}
catch (Exception ex)
{
Messager.ShowError(this, ex);
}
finally
{
_mainForm.UpdateControls();
}
if (image.HasRegion)
{
image.SetRegion(null, null, RasterRegionCombineMode.Set);
}
if (image.ViewPerspective != RasterViewPerspective.TopLeft)
{
image.ChangeViewPerspective(RasterViewPerspective.TopLeft);
}
_gwireCommand = new GWireCommand(image, ExternalEnergy);
_gwirePrevPath = new List <Point>();
_anchorPoints = new List <Point>();
_viewer.MouseDown += new MouseEventHandler(ActiveViewerForm_MouseDown);
_viewer.MouseMove += new MouseEventHandler(ActiveViewerForm_MouseMove);
_viewer.PostRender += new EventHandler <ImageViewerRenderEventArgs>(ActiveViewerForm_Paint);
_gwireStarted = true;
_gwireSeedSelected = _gwireNewSeed = false;
}
private RasterImage AddTextFooter(RasterImage image, string tag, int footerMaxHeight)
{
LeadRect bounds = LeadRect.Create(0, 0, image.Width, image.Height);
using (var imageTag = CreateTextFooter(LeadSize.Create(bounds.Width, footerMaxHeight), tag))
{
bounds.Height += imageTag.Height;
var bpp = 24;
var byteOrder = RasterByteOrder.Bgr;
var viewPerspective = RasterViewPerspective.TopLeft;
if (image.ViewPerspective != viewPerspective)
{
image.ChangeViewPerspective(viewPerspective);
}
if (image.BitsPerPixel != bpp || image.Order != byteOrder)
{
var colorResCommand = new ColorResolutionCommand(
ColorResolutionCommandMode.InPlace,
bpp,
byteOrder,
RasterDitheringMethod.None,
ColorResolutionCommandPaletteFlags.Optimized,
null);
colorResCommand.Run(image);
}
RasterImage imageResult = new RasterImage(RasterMemoryFlags.Conventional, bounds.Width, bounds.Height, bpp, byteOrder, viewPerspective, null, null, 0);
{
var combine = new CombineFastCommand(imageResult, bounds, LeadPoint.Create(0, 0), CombineFastCommandFlags.SourceCopy);
combine.Run(image);
}
{
var combine = new CombineFastCommand(imageResult, LeadRect.Create(bounds.X, image.Height, bounds.Width, bounds.Height - image.Height), LeadPoint.Create(0, 0), CombineFastCommandFlags.SourceCopy);
combine.Run(imageTag);
}
return(imageResult);
}
}
public RasterImage Get(string key)
{
if (_imagePaths.ContainsKey(key))
{
using (var codecs = MainForm.GetRasterCodecs())
{
var path = _imagePaths[key];
RasterImage image = codecs.Load(path, 1);
image.ChangeViewPerspective(RasterViewPerspective.TopLeft);
return(image);
}
}
if (_cache != null)
{
return(_cache.Get <RasterImage>(key, _region));
}
return(null);
}
internal static RasterImage LoadImage(string fileName, bool allPages)
{
RasterImage image = null;
try
{
using (RasterCodecs codecs = GetRasterCodecs())
{
codecs.Options.Load.AllPages = allPages;
image = codecs.Load(fileName);
image.ChangeViewPerspective(RasterViewPerspective.TopLeft);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return(null);
}
return(image);
}
public static async Task <RasterImage> RasterImageFromFile(string file, bool loadAllPages = false, int firstPageNumber = 1, int lastPageNumber = 1)
{
RasterImage rasterImage = null;
using (var codecs = new RasterCodecs())
{
codecs.Options.Png.Save.QualityFactor = 10;
codecs.Options.RasterizeDocument.Load.Resolution = 300;
codecs.Options.Load.Resolution = 300;
codecs.Options.Load.AllPages = loadAllPages;
using (var inputStream = LeadStream.Factory.OpenFile(file))
{
rasterImage = await codecs.LoadAsync(inputStream, 0, CodecsLoadByteOrder.Bgr, firstPageNumber, lastPageNumber);
if (rasterImage.ViewPerspective != RasterViewPerspective.TopLeft)
{
rasterImage.ChangeViewPerspective(RasterViewPerspective.TopLeft);
}
}
}
return(rasterImage);
}
// Optionally resizes the image before saving it (always preserving the original aspect ratio)
public static void ResizeImage(RasterImage image, int width, int height)
{
SizeCommand sizeCommand;
int resizeWidth;
int resizeHeight;
RasterSizeFlags flags = RasterSizeFlags.Resample;
if (image.BitsPerPixel == 1)
{
flags |= RasterSizeFlags.FavorBlack;
}
// First check if its a FAX image (with different resolution), if so, resize it too
if (image.XResolution != 0 && image.YResolution != 0 && Math.Abs(image.XResolution - image.YResolution) > 2)
{
// Yes
if (image.XResolution > image.YResolution)
{
resizeWidth = image.ImageWidth;
resizeHeight = (int)((double)image.ImageHeight * (double)image.XResolution / (double)image.YResolution);
}
else
{
resizeHeight = image.ImageHeight;
resizeWidth = (int)((double)image.ImageWidth * (double)image.YResolution / (double)image.XResolution);
}
sizeCommand = new SizeCommand(resizeWidth, resizeHeight, flags);
sizeCommand.Run(image);
image.XResolution = Math.Max(image.XResolution, image.YResolution);
image.YResolution = image.XResolution;
}
// Check user resize options, and resize only if needed
if ((width == 0 && height == 0) ||
(image.ImageWidth <= width && image.ImageHeight <= height))
{
return;
}
resizeWidth = width;
resizeHeight = height;
// If width or height is 0, means the other is a fixed value and the missing value must be calculated
// saving the aspect ratio
if (resizeHeight == 0)
{
resizeHeight = (int)((double)image.ImageHeight * (double)resizeWidth / (double)image.ImageWidth + 0.5);
}
else if (resizeWidth == 0)
{
resizeWidth = (int)((double)image.ImageWidth * (double)resizeHeight / (double)image.ImageHeight + 0.5);
}
// Calculate the destination size
LeadRect rc = new LeadRect(0, 0, resizeWidth, resizeHeight);
rc = RasterImage.CalculatePaintModeRectangle(
image.ImageWidth,
image.ImageHeight,
rc,
RasterPaintSizeMode.Fit,
RasterPaintAlignMode.Near,
RasterPaintAlignMode.Near);
image.ChangeViewPerspective(RasterViewPerspective.TopLeft);
sizeCommand = new SizeCommand(rc.Width, rc.Height, flags);
sizeCommand.Run(image);
// Note, if the image was 1BPP, ScaleToGray converts it to 8, the format of the returned image is dealt with
// in PrepareToSave
// Since we resized the image, the original DPI is not correct anymore
image.XResolution = 96;
image.YResolution = 96;
}