public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
ArrayList arrayList = new ArrayList();
if (context != null && context.Instance != null)
{
IServiceContainer serviceContainer = null;
if (context.Instance is Series && ((Series)context.Instance).serviceContainer != null)
{
serviceContainer = ((Series)context.Instance).serviceContainer;
}
if (serviceContainer == null && context.Instance is Array)
{
Array array = (Array)context.Instance;
if (array.Length > 0 && array.GetValue(0) is Series)
{
serviceContainer = ((Series)array.GetValue(0)).serviceContainer;
}
}
if (serviceContainer != null)
{
ChartImage chartImage = (ChartImage)serviceContainer.GetService(typeof(ChartImage));
if (chartImage != null)
{
foreach (ChartArea chartArea in chartImage.ChartAreas)
{
arrayList.Add(chartArea.Name);
}
}
}
}
return(new StandardValuesCollection(arrayList));
}
internal void Initialize()
{
ChartImage obj = (ChartImage)serviceContainer.GetService(typeof(ChartImage));
obj.BeforePaint += ChartPicture_BeforePaint;
obj.AfterPaint += ChartPicture_AfterPaint;
}
public void Initialize()
{
ChartImage chartImage = (ChartImage)this.serviceContainer.GetService(typeof(ChartImage));
chartImage.BeforePaint += this.ChartPicture_BeforePaint;
chartImage.AfterPaint += this.ChartPicture_AfterPaint;
}
/// <summary>
/// Gets selected data source object.
/// </summary>
/// <param name="chart">Chart control.</param>
/// <returns>Data source.</returns>
internal object GetControlDataSource(Chart chart)
{
object selectedDataSource = null;
if (chart != null)
{
if (chart.DataSource != null)
{
object dataSourceObject = chart.DataSource;
string fieldName = dataSourceObject as string;
if (fieldName != null && this.Component != null)
{
dataSourceObject = null;
ISite componentSite = this.Component.Site;
if (componentSite != null)
{
IContainer container = (IContainer)componentSite.GetService(typeof(IContainer));
if (container != null)
{
dataSourceObject = container.Components[fieldName];
}
}
}
if (dataSourceObject != null && ChartImage.IsValidDataSource(dataSourceObject))
{
selectedDataSource = dataSourceObject;
}
}
}
return(selectedDataSource);
}
/// <summary>
/// Fill in the list of the data source members.
/// </summary>
/// <param name="context">Descriptor context.</param>
/// <returns>Standart values collection.</returns>
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
ArrayList values = new ArrayList();
Chart chart = ConverterHelper.GetChartFromContext(context);
object dataSource = null;
if (chart != null)
{
if (chart != null && ChartImage.IsValidDataSource(chart.DataSource))
{
dataSource = chart.DataSource;
}
// Check if it's Y values member
bool usedForYValues = false;
if (context.PropertyDescriptor != null && context.PropertyDescriptor.Name == "YValueMembers")
{
usedForYValues = true;
}
// Populate list with all members names
ArrayList memberNames = ChartImage.GetDataSourceMemberNames(dataSource, usedForYValues);
foreach (string name in memberNames)
{
values.Add(name);
}
values.Add("(none)");
}
return(new StandardValuesCollection(values));
}
private void SearchResults_SelectionChanged(object sender, EventArgs e)
{
// figure out the initial zoom
Debug.Assert(mSearchResults.SelectedItems.Count == 1);
double userZoom = Program.dataConfig.getDoubleVal(new string[] { "_DefaultZoom" }, 1.0);
double minZoom = Program.dataConfig.getDoubleVal(new string[] { "_MinZoom" }, 0.2 * userZoom);
double maxZoom = Program.dataConfig.getDoubleVal(new string[] { "_MaxZoom" }, 2 * userZoom);
if (mSearchResults.SelectedItems.Count > 0)
{
ChartImage chartImage = (ChartImage)mSearchResults.SelectedItems[0].Tag;
mChartImagePictureBox.Image = chartImage.image();
userZoom = chartImage.jsonConfig.getDoubleVal(new string[] { "defaultZoom" }, userZoom);
minZoom = chartImage.jsonConfig.getDoubleVal(new string[] { "minZoom" }, minZoom);
maxZoom = chartImage.jsonConfig.getDoubleVal(new string[] { "maxZoom" }, maxZoom);
}
else
{
mChartImagePictureBox.Image = null;
}
ILog logger = LogManager.GetLogger("zoom");
logger.Info($"Setting initial image zoom: {userZoom:0.00} (min={minZoom:0.00}, max={maxZoom:0.00})");
mCurrZoom = mDefaultZoom = userZoom;
mMinZoom = minZoom;
mMaxZoom = maxZoom;
// show the selected chart image
mChartImagePanel.BringToFront();
setChartImagePanelScrollPos(0, 0);
doMainFormResize(null);
}
/// <summary>
/// Initialize data manger object
/// </summary>
internal void Initialize()
{
// Attach to the Chart Picture painting events
ChartImage chartPicture = (ChartImage)serviceContainer.GetService(typeof(ChartImage));
chartPicture.BeforePaint += new EventHandler <ChartPaintEventArgs>(this.ChartPicture_BeforePaint);
chartPicture.AfterPaint += new EventHandler <ChartPaintEventArgs>(this.ChartPicture_AfterPaint);
}
protected void Page_Load(object sender, EventArgs e)
{
ChartImage chartImage = new ChartImage();
//Response.Write(Request.Url);
//Response.End();
chartImage.CreateChartImage(Server.MapPath("/Upload/qrcode.png"), "http://www.baidu.com", 230, 230);
Response.Write("二维码生成成功");
}
/// <summary>
/// Handles PrintPage event of the document.
/// </summary>
/// <param name="sender">Sender object.</param>
/// <param name="ev">Event parameters.</param>
private void pd_PrintPage(object sender, PrintPageEventArgs ev)
{
// Get a reference to the chart image object
if (_chartImage == null && _serviceContainer != null)
{
_chartImage = (ChartImage)_serviceContainer.GetService(typeof(ChartImage));
}
if (_chartImage != null)
{
// Save graphics state.
GraphicsState transState = ev.Graphics.Save();
try
{
Rectangle marginPixel = ev.MarginBounds;
// Display units mean different thing depending if chart is rendered on the display or printed.
// Typically pixels for video displays, and 1/100 inch for printers.
if (ev.Graphics.PageUnit != GraphicsUnit.Pixel)
{
ev.Graphics.PageUnit = GraphicsUnit.Pixel;
marginPixel.X = (int)(marginPixel.X * (ev.Graphics.DpiX / 100.0f));
marginPixel.Y = (int)(marginPixel.Y * (ev.Graphics.DpiY / 100.0f));
marginPixel.Width = (int)(marginPixel.Width * (ev.Graphics.DpiX / 100.0f));
marginPixel.Height = (int)(marginPixel.Height * (ev.Graphics.DpiY / 100.0f));
}
// Calculate chart position rectangle
Rectangle chartPosition = new Rectangle(marginPixel.X, marginPixel.Y, _chartImage.Width, _chartImage.Height);
// Make sure chart corretly fits the margin area
float chartWidthScale = ((float)marginPixel.Width) / ((float)chartPosition.Width);
float chartHeightScale = ((float)marginPixel.Height) / ((float)chartPosition.Height);
chartPosition.Width = (int)(chartPosition.Width * Math.Min(chartWidthScale, chartHeightScale));
chartPosition.Height = (int)(chartPosition.Height * Math.Min(chartWidthScale, chartHeightScale));
// Calculate top left position so that chart is aligned in the center
chartPosition.X += (marginPixel.Width - chartPosition.Width) / 2;
chartPosition.Y += (marginPixel.Height - chartPosition.Height) / 2;
// Draw chart on the printer graphisc
this.PrintPaint(ev.Graphics, chartPosition);
}
finally
{
// Restore graphics state.
ev.Graphics.Restore(transState);
}
}
}
internal virtual ArrayList GetMemberNames()
{
object dataSource = null;
if (ChartWinDesigner.controlDesigner != null)
{
dataSource = ChartWinDesigner.controlDesigner.GetControlDataSource(_chart);
}
// Get list of members
if (dataSource != null)
{
return(ChartImage.GetDataSourceMemberNames(dataSource, this.usedForYValue));
}
return(new ArrayList());
}
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
ArrayList arrayList = new ArrayList();
if (context != null && context.Container != null)
{
foreach (IComponent component in context.Container.Components)
{
if (ChartImage.IsValidDataSource(component))
{
arrayList.Add(component.Site.Name);
}
}
}
arrayList.Add("(none)");
return(new StandardValuesCollection(arrayList));
}
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
ArrayList arrayList = new ArrayList();
if (context != null && context.Instance != null)
{
IServiceContainer serviceContainer = null;
if (context.Instance is Series && ((Series)context.Instance).serviceContainer != null)
{
serviceContainer = ((Series)context.Instance).serviceContainer;
}
if (serviceContainer == null && context.Instance is Array)
{
Array array = (Array)context.Instance;
if (array.Length > 0 && array.GetValue(0) is Series)
{
serviceContainer = ((Series)array.GetValue(0)).serviceContainer;
}
}
if (serviceContainer == null && context.Instance is Chart)
{
serviceContainer = ((Chart)context.Instance).serviceContainer;
}
if (serviceContainer != null)
{
ChartImage chartImage = (ChartImage)serviceContainer.GetService(typeof(ChartImage));
if (chartImage != null)
{
object dataSource = null;
bool usedForYValue = false;
if (context.PropertyDescriptor != null && context.PropertyDescriptor.Name == "ValueMembersY")
{
usedForYValue = true;
}
ArrayList dataSourceMemberNames = ChartImage.GetDataSourceMemberNames(dataSource, usedForYValue);
foreach (string item in dataSourceMemberNames)
{
arrayList.Add(item);
}
arrayList.Add("(none)");
}
}
}
return(new StandardValuesCollection(arrayList));
}
public void ApplyPaletteColors()
{
if (this.Palette == ChartColorPalette.None && this.PaletteCustomColors.Length <= 0)
{
return;
}
int num = 0;
Color[] array = (this.PaletteCustomColors.Length > 0) ? this.PaletteCustomColors : ChartPaletteColors.GetPaletteColors(this.colorPalette);
foreach (Series item in this.series)
{
bool flag = false;
if (item.ChartArea.Length > 0)
{
ChartImage chartImage = (ChartImage)this.serviceContainer.GetService(typeof(ChartImage));
if (chartImage != null)
{
foreach (ChartArea chartArea in chartImage.ChartAreas)
{
if (chartArea.Name == item.ChartArea)
{
flag = true;
break;
}
}
if (!flag && item.ChartArea == "Default" && chartImage.ChartAreas.Count > 0)
{
flag = true;
}
}
}
if (flag && (item.Color == Color.Empty || item.tempColorIsSet))
{
item.color = array[num++];
item.tempColorIsSet = true;
if (num >= array.Length)
{
num = 0;
}
}
}
}
/// <summary>
/// Draws chart on the printer graphics.
/// </summary>
/// <param name="graphics">Printer graphics.</param>
/// <param name="position">Position to draw in the graphics.</param>
public void PrintPaint(Graphics graphics, Rectangle position)
{
// Get a reference to the chart image object
if (_chartImage == null && _serviceContainer != null)
{
_chartImage = (ChartImage)_serviceContainer.GetService(typeof(ChartImage));
}
// Draw chart
if (_chartImage != null)
{
// Change chart size to fit the new position
int oldWidth = _chartImage.Width;
int oldHeight = _chartImage.Height;
_chartImage.Width = position.Width;
_chartImage.Height = position.Height;
// Save graphics state.
GraphicsState transState = graphics.Save();
// Set required transformation
graphics.TranslateTransform(position.X, position.Y);
// Set printing indicator
_chartImage.isPrinting = true;
// Draw chart
_chartImage.Paint(graphics, false);
// Clear printing indicator
_chartImage.isPrinting = false;
// Restore graphics state.
graphics.Restore(transState);
// Restore old chart position
_chartImage.Width = oldWidth;
_chartImage.Height = oldHeight;
}
}
/// <summary>
/// Fill in the list of chart type names.
/// </summary>
/// <param name="context">Descriptor context.</param>
/// <returns>Standard values collection.</returns>
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
ArrayList values = new ArrayList();
if (context != null && context.Container != null)
{
// Loop through all components in the container
foreach (IComponent comonent in context.Container.Components)
{
// Check if component can be a data source
if (ChartImage.IsValidDataSource(comonent))
{
// Add component name
values.Add(comonent.Site.Name);
}
}
}
// Add "None" data source
values.Add("(none)");
return(new StandardValuesCollection(values));
}
private void loadChartImages()
{
// initialize
ILog logger = LogManager.GetLogger("startup");
// build an index of the config entries
HashSet <string> configIndex = new HashSet <string>(
Program.dataConfig.data.ToObject <Dictionary <string, object> >().Keys
);
// locate the chart images
string dataDir = Path.GetFullPath(Program.dataDir);
IEnumerable <string> files = Directory.EnumerateFiles(
dataDir, "*.*", SearchOption.AllDirectories
);
foreach (string fname in files)
{
// load the next image
string extn = Path.GetExtension(fname).ToLower();
if (!mValidImageExtensions.Contains(extn))
{
continue;
}
string key;
string fullPath = Path.GetFullPath(fname);
if (fullPath.StartsWith(dataDir))
{
key = fname.Substring(dataDir.Length);
key = key.Replace("\\", "/");
if (key.StartsWith("/"))
{
key = key.Substring(1);
}
}
else
{
// NOTE: I don't think we should ever get here :-/ If we do, the user will have to manage
// their configuration using full paths for the image files, but at least we will still run...
key = fullPath;
}
logger.Debug($"Loading image: {key}");
dynamic config = Program.dataConfig.data[key];
if (config == null)
{
Program.logStartupMsg("unconfigured-image", fname.Substring(dataDir.Length + 1));
}
else
{
configIndex.Remove(key);
}
ChartImage chartImage = new ChartImage(key, fullPath, config);
mChartImages[key] = chartImage;
// add the image to the list
ImageListViewItem item = chartImage.imageListViewItem;
mSearchResults.Invoke((MethodInvoker)(() => mSearchResults.Items.Add(item)));
}
// log any config entries that were unused
foreach (string key in configIndex)
{
if (key[0] == '_')
{
continue;
}
Program.logStartupMsg("unused-config", key);
}
// everything has been loaded, update the UI
this.Invoke((MethodInvoker)onStartupCompleted);
}
public void addChartImage(ChartImage ci)
{
mChartImages.Add(ci);
}
