public Image GetThumbNail(string fileName, int imgWidth, int imgHeight, Color penColor)
{
bool hasError = false;
string previewFileName = m_LastPreviewForlder + Path.GetFileNameWithoutExtension(fileName) + ".bmp";
Bitmap bmp = null;
try
{
if (File.Exists(previewFileName))
{
bmp = new Bitmap(previewFileName);
}
else
{
if (File.Exists(fileName))
{
SPrtFileInfo jobInfo = new SPrtFileInfo();
IntPtr imgadataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SPrtImagePreview)));
jobInfo.sImageInfo.nImageData = imgadataPtr;
int bret = CoreInterface.Printer_GetFileInfo(fileName, ref jobInfo, 1);
if (bret == 1)
{
bmp = SerialFunction.CreateImageWithImageInfo(jobInfo.sImageInfo);
if (!Directory.Exists(m_LastPreviewForlder))
{
Directory.CreateDirectory(m_LastPreviewForlder);
}
bmp.Save(previewFileName);
}
else
{
hasError = true;
}
Marshal.FreeHGlobal(imgadataPtr);
}
}
}
catch (Exception ex)
{
hasError = true;
System.Diagnostics.Debug.Assert(true, ex.Message + ex.StackTrace);
}
if (bmp == null || hasError)
{
bmp = this.CreatDefaultBmp("¼ÓÔØʧ°Ü!!", Color.Wheat, Color.Red);
}
Bitmap retBmp = this.CreatDefaultBmp(bmp, penColor, Color.Black);
return(retBmp);
}
public Image GetThumbNail(string fileName, int imgWidth, int imgHeight, Color penColor)
{
bool hasError = false;
string previewFileName = m_LastPreviewForlder + Path.GetFileNameWithoutExtension(fileName) + ".bmp";
Bitmap bmp = null;
try
{
if (File.Exists(previewFileName))
{
bmp = new Bitmap(previewFileName);
}
else
{
if (File.Exists(fileName))
{
SPrtFileInfo jobInfo = new SPrtFileInfo();
Int32 bret = 0;
bret = CoreInterface.Printer_GetFileInfo(fileName, ref jobInfo, 1);
if (bret == 1)
{
bmp = SerialFunction.CreateImageWithImageInfo(jobInfo.sImageInfo);
}
else
{
hasError = true;
}
}
}
}
catch (Exception ex)
{
hasError = true;
System.Diagnostics.Debug.Assert(true, ex.Message + ex.StackTrace);
}
if (bmp == null || hasError)
{
bmp = this.CreatDefaultBmp("¼ÓÔØʧ°Ü!!", Color.Wheat, Color.Red);
}
else if (!File.Exists(previewFileName))
{
bmp.Save(previewFileName);
}
Bitmap retBmp = this.CreatDefaultBmp(bmp, penColor, Color.Black);
return(retBmp);
}
unsafe private void CreatePrintingPreviewAsPercentage(int percentage)
{
SPrtFileInfo jobInfo = new SPrtFileInfo();
if (CoreInterface.Printer_GetJobInfo(ref jobInfo) <= 0)
{
return;
}
IntPtr handle = (IntPtr)jobInfo.sImageInfo.nImageData;
if (handle == IntPtr.Zero)
{
return;
}
SPrtImagePreview previewData = (SPrtImagePreview)Marshal.PtrToStructure(handle, typeof(SPrtImagePreview));
Bitmap image = SerialFunction.CreateImageWithPreview(previewData);
if (image != null)
{
int clipy = (image.Height * percentage / 100);
int clipheight = image.Height - clipy;
if (clipheight > 0)
{
BitmapData data = image.LockBits(new Rectangle(0, clipy, image.Width, clipheight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
byte *buf = (byte *)data.Scan0;
int size = data.Stride * clipheight;
for (int i = 0; i < size; i++)
{
buf[i] = 0xff;
}
image.UnlockBits(data);
}
UpdatePreviewImage(image);
}
}
public Bitmap CreateClipsMiniature()
{
string text = GetRealNoteText(this);
float CoefficientX, CoefficientY;
int marginl, marginr, margint, marginb;
int xdis, xdis2, ydis;
int left, top, notemargin;
string fpath = this.src;
if (string.IsNullOrEmpty(fpath))
{
fpath = this.TopSrc;
}
Image srcMiniature = null;
if (File.Exists(SrcMiniature))
{
srcMiniature = new Bitmap(SrcMiniature);
}
if (srcMiniature == null)
{
SPrtFileInfo jobInfo = new SPrtFileInfo();
IntPtr imgadataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SPrtImagePreview)));
jobInfo.sImageInfo.nImageData = imgadataPtr;
int bret = CoreInterface.Printer_GetFileInfo(fpath, ref this.PrtFileInfo, 1);
srcMiniature = SerialFunction.CreateImageWithImageInfo(this.PrtFileInfo.sImageInfo);
Marshal.FreeHGlobal(imgadataPtr);
}
CoefficientX = (float)PrtFileInfo.sImageInfo.nImageWidth / srcMiniature.Width;
CoefficientY = (float)PrtFileInfo.sImageInfo.nImageHeight / srcMiniature.Height;
Rectangle scaledclip = new Rectangle();
if (noClip)
{
scaledclip = new Rectangle(0, 0, srcMiniature.Width, srcMiniature.Height);
}
else
{
scaledclip = new Rectangle(Convert.ToInt32(this.ClipRect.Left / CoefficientX), Convert.ToInt32(this.ClipRect.Top / CoefficientY),
Convert.ToInt32(this.ClipRect.Width / CoefficientX), Convert.ToInt32(this.ClipRect.Height / CoefficientY));
}
marginl = Convert.ToInt32(Margin_L / CoefficientX);
marginr = Convert.ToInt32(Margin_R / CoefficientX);
margint = Convert.ToInt32(Margin_T / CoefficientY);
marginb = Convert.ToInt32(Margin_B / CoefficientY);
xdis = Convert.ToInt32(XDis / CoefficientX);
xdis2 = Convert.ToInt32(XDis2 / CoefficientX);
ydis = Convert.ToInt32(YDis / CoefficientY);
left = Convert.ToInt32(Left / CoefficientX);
top = Convert.ToInt32(Top / CoefficientY);
if (this.NotePosition == 0 || this.NotePosition == 2)
{
notemargin = Convert.ToInt32(NoteMargin / CoefficientX);
}
else
{
notemargin = Convert.ToInt32(NoteMargin / CoefficientY);
}
Rectangle size = GetBound(this);
int maxSize = 600 * 800 * 3;// 单个预览图最大尺寸
float dstCoefficient = 1;
if (size.Width / CoefficientX * size.Height / CoefficientY > maxSize)
{
dstCoefficient = (float)Math.Sqrt((size.Width / CoefficientX * size.Height / CoefficientY) / maxSize);
dstCoefficient = Math.Min(20, dstCoefficient); // dstCoefficient最大不超过20
}
size.Width = (int)Math.Max(1, (float)size.Width / dstCoefficient);
size.Height = (int)Math.Max(1, (float)size.Height / dstCoefficient);
Bitmap ret = null;
Graphics g;
try
{
ret = new Bitmap(Math.Max(1, Convert.ToInt32(size.Width / CoefficientX)), Math.Max(1, Convert.ToInt32(size.Height / CoefficientY)));
g = Graphics.FromImage(ret);
if (isSimpleMode)
{
int w = (int)(scaledclip.Width / dstCoefficient);
int h = (int)(scaledclip.Height / dstCoefficient);
int marginlInt = (int)(marginl / dstCoefficient);
int margintInt = (int)(margint / dstCoefficient);
int xdisInt = (int)(xdis / dstCoefficient);
int xdis2Int = (int)(xdis2 / dstCoefficient);
int ydisInt = (int)(ydis / dstCoefficient);
for (int i = 0; i < this.XCnt; i++)
{
int left1 = marginlInt + i * (w + xdisInt);
if (IsNktTreeTileMode && i == 2)
{
left1 = marginlInt + (w + xdisInt) + (w + xdis2Int);
}
int top1 = 0;
for (int j = 0; j < this.YCnt; j++)
{
top1 = margintInt + j * (h + ydisInt);
Rectangle dstrect = new Rectangle(left1, top1, w, h);
g.DrawImage(srcMiniature, dstrect, scaledclip, GraphicsUnit.Pixel);
Debug.WriteLine("====CreateClipsMiniature===" + dstrect.ToString());
}
if (YAddtion > 0)
{
top1 += this.YCnt > 0 ?(h + ydisInt):0;
Rectangle scaledclip1 = new Rectangle();
if (noClip)
{
scaledclip1 = new Rectangle(0, 0, srcMiniature.Width, srcMiniature.Height);
}
else
{
scaledclip1 = new Rectangle(Convert.ToInt32(this.ClipRect.Left / CoefficientX), Convert.ToInt32(this.ClipRect.Top / CoefficientY),
Convert.ToInt32(this.ClipRect.Width / CoefficientX), Convert.ToInt32(this.YAddtion / CoefficientY));
}
Rectangle dstrect = new Rectangle(left1, top1, w, h);
g.DrawImage(srcMiniature, dstrect, scaledclip1, GraphicsUnit.Pixel);
}
}
if (text != null && text != string.Empty)
{
int notetop = margint + YCnt * (scaledclip.Height + ydis) + this.YAddtion - ydis + notemargin;
notetop = (int)(notetop / dstCoefficient);
Rectangle nrect = new Rectangle(marginl, 0, ret.Width - marginl - marginr, ret.Height - marginb - notetop);
if (nrect.Size.Width != 0 && nrect.Size.Height != 0)
{
Font prevewFont = this.GetNoteFont();
Bitmap bmp = GetPreviewNoteImage(nrect, size.Width, text, prevewFont, this.NotePosition == 0 || this.NotePosition == 2);
Rectangle dstrect = new Rectangle(marginlInt, (int)(ret.Height - marginb - bmp.Height), (int)(bmp.Width / dstCoefficient), (int)(bmp.Height / dstCoefficient));
g.DrawImage(bmp, dstrect, new Rectangle(0, 0, bmp.Width, bmp.Height), GraphicsUnit.Pixel);
}
else
{
this.CreatNoteImage(size.Width, text, this.GetNoteFont(), this.NotePosition == 0 || this.NotePosition == 2);
}
}
}
else
{
if (IsParent)
{
for (int i = 0; i < this.Childs.Length; i++)
{
Bitmap bmp = this.Childs[i].CreateClipsMiniature();
RectangleF dstrect = new RectangleF(left / dstCoefficient, top / dstCoefficient, bmp.Width / dstCoefficient, bmp.Height / dstCoefficient);
g.DrawImage(bmp, dstrect, new Rectangle(0, 0, bmp.Width, bmp.Height), GraphicsUnit.Pixel);
}
}
else
{
RectangleF dstrect = new RectangleF(marginl / dstCoefficient, margint / dstCoefficient, scaledclip.Width / dstCoefficient, scaledclip.Height / dstCoefficient);
g.DrawImage(srcMiniature, dstrect, scaledclip, GraphicsUnit.Pixel);
if (text != null && text != string.Empty)
{
int notetop = margint + YCnt * (scaledclip.Height + ydis) - ydis + notemargin;
Rectangle nrect = new Rectangle(marginl, notetop, ret.Width - marginl - marginr, ret.Height - marginb - notetop);
Bitmap bmp = GetPreviewNoteImage(nrect, size.Width, text, this.GetNoteFont(), this.NotePosition == 0 || this.NotePosition == 2);
dstrect = new RectangleF(marginl / dstCoefficient, (margint + scaledclip.Height + notemargin) / dstCoefficient, bmp.Width / dstCoefficient, bmp.Height / dstCoefficient);
g.DrawImage(bmp, dstrect, new Rectangle(0, 0, bmp.Width, bmp.Height), GraphicsUnit.Pixel);
}
}
}
g.Dispose();
srcMiniature.Dispose();
//GC.Collect();
}
catch (Exception ex)
{
ret = null;
Debug.Assert(false, ex.Message + ex.StackTrace);
}
return(ret);
}