Properly dispose of all GDI+ entities used in VectorRenderModule for dynamic textures.
The convention is that if an object implements IDiposable() the code must explicitly call Dispose() or call it via the using statement. This may be particularly important for GDI+ objects since they encapsulate native code entities.0.7.3-extended
Justin Clark-Casey (justincc)
parent
0e9e60d55a
commit
f35e94f168
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@ -98,16 +98,18 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
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public void GetDrawStringSize(string text, string fontName, int fontSize,
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out double xSize, out double ySize)
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{
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Font myFont = new Font(fontName, fontSize);
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SizeF stringSize = new SizeF();
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lock (m_graph) {
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stringSize = m_graph.MeasureString(text, myFont);
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xSize = stringSize.Width;
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ySize = stringSize.Height;
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using (Font myFont = new Font(fontName, fontSize))
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{
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SizeF stringSize = new SizeF();
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lock (m_graph)
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{
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stringSize = m_graph.MeasureString(text, myFont);
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xSize = stringSize.Width;
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ySize = stringSize.Height;
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}
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}
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}
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#endregion
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#region IRegionModule Members
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@ -121,6 +123,8 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
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if (m_graph == null)
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{
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// We won't dispose of these explicitly since this module is only removed when the entire simulator
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// is shut down.
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Bitmap bitmap = new Bitmap(1024, 1024, PixelFormat.Format32bppArgb);
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m_graph = Graphics.FromImage(bitmap);
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}
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@ -299,53 +303,64 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
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}
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}
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Bitmap bitmap;
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if (alpha == 256)
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{
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bitmap = new Bitmap(width, height, PixelFormat.Format32bppRgb);
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}
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else
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{
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bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
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}
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Graphics graph = Graphics.FromImage(bitmap);
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// this is really just to save people filling the
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// background color in their scripts, only do when fully opaque
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if (alpha >= 255)
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{
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graph.FillRectangle(new SolidBrush(bgColor), 0, 0, width, height);
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}
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for (int w = 0; w < bitmap.Width; w++)
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{
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if (alpha <= 255)
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{
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for (int h = 0; h < bitmap.Height; h++)
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{
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bitmap.SetPixel(w, h, Color.FromArgb(alpha, bitmap.GetPixel(w, h)));
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}
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}
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}
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GDIDraw(data, graph, altDataDelim);
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byte[] imageJ2000 = new byte[0];
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Bitmap bitmap = null;
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Graphics graph = null;
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try
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{
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imageJ2000 = OpenJPEG.EncodeFromImage(bitmap, true);
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}
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catch (Exception e)
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{
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m_log.ErrorFormat(
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"[VECTORRENDERMODULE]: OpenJpeg Encode Failed. Exception {0}{1}",
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e.Message, e.StackTrace);
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}
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if (alpha == 256)
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bitmap = new Bitmap(width, height, PixelFormat.Format32bppRgb);
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else
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bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
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m_textureManager.ReturnData(id, imageJ2000);
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graph = Graphics.FromImage(bitmap);
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// this is really just to save people filling the
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// background color in their scripts, only do when fully opaque
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if (alpha >= 255)
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{
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using (SolidBrush bgFillBrush = new SolidBrush(bgColor))
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{
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graph.FillRectangle(bgFillBrush, 0, 0, width, height);
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}
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}
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for (int w = 0; w < bitmap.Width; w++)
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{
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if (alpha <= 255)
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{
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for (int h = 0; h < bitmap.Height; h++)
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{
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bitmap.SetPixel(w, h, Color.FromArgb(alpha, bitmap.GetPixel(w, h)));
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}
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}
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}
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GDIDraw(data, graph, altDataDelim);
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byte[] imageJ2000 = new byte[0];
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try
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{
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imageJ2000 = OpenJPEG.EncodeFromImage(bitmap, true);
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}
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catch (Exception e)
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{
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m_log.ErrorFormat(
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"[VECTORRENDERMODULE]: OpenJpeg Encode Failed. Exception {0}{1}",
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e.Message, e.StackTrace);
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}
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m_textureManager.ReturnData(id, imageJ2000);
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}
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finally
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{
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if (graph != null)
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graph.Dispose();
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if (bitmap != null)
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bitmap.Dispose();
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}
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}
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private int parseIntParam(string strInt)
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@ -407,237 +422,284 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
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{
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Point startPoint = new Point(0, 0);
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Point endPoint = new Point(0, 0);
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Pen drawPen = new Pen(Color.Black, 7);
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string fontName = m_fontName;
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float fontSize = 14;
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Font myFont = new Font(fontName, fontSize);
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SolidBrush myBrush = new SolidBrush(Color.Black);
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char[] lineDelimiter = {dataDelim};
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char[] partsDelimiter = {','};
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string[] lines = data.Split(lineDelimiter);
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Pen drawPen = null;
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Font myFont = null;
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SolidBrush myBrush = null;
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foreach (string line in lines)
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try
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{
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string nextLine = line.Trim();
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//replace with switch, or even better, do some proper parsing
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if (nextLine.StartsWith("MoveTo"))
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drawPen = new Pen(Color.Black, 7);
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string fontName = m_fontName;
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float fontSize = 14;
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myFont = new Font(fontName, fontSize);
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myBrush = new SolidBrush(Color.Black);
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char[] lineDelimiter = {dataDelim};
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char[] partsDelimiter = {','};
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string[] lines = data.Split(lineDelimiter);
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foreach (string line in lines)
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 6, ref x, ref y);
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startPoint.X = (int) x;
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startPoint.Y = (int) y;
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}
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else if (nextLine.StartsWith("LineTo"))
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 6, ref x, ref y);
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endPoint.X = (int) x;
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endPoint.Y = (int) y;
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graph.DrawLine(drawPen, startPoint, endPoint);
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startPoint.X = endPoint.X;
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startPoint.Y = endPoint.Y;
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}
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else if (nextLine.StartsWith("Text"))
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{
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nextLine = nextLine.Remove(0, 4);
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nextLine = nextLine.Trim();
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graph.DrawString(nextLine, myFont, myBrush, startPoint);
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}
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else if (nextLine.StartsWith("Image"))
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 5, ref x, ref y);
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endPoint.X = (int) x;
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endPoint.Y = (int) y;
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Image image = ImageHttpRequest(nextLine);
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if (image != null)
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string nextLine = line.Trim();
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//replace with switch, or even better, do some proper parsing
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if (nextLine.StartsWith("MoveTo"))
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{
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graph.DrawImage(image, (float)startPoint.X, (float)startPoint.Y, x, y);
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 6, ref x, ref y);
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startPoint.X = (int) x;
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startPoint.Y = (int) y;
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}
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else
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else if (nextLine.StartsWith("LineTo"))
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{
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graph.DrawString("URL couldn't be resolved or is", new Font(m_fontName,6),
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myBrush, startPoint);
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graph.DrawString("not an image. Please check URL.", new Font(m_fontName, 6),
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myBrush, new Point(startPoint.X, 12 + startPoint.Y));
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 6, ref x, ref y);
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endPoint.X = (int) x;
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endPoint.Y = (int) y;
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graph.DrawLine(drawPen, startPoint, endPoint);
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startPoint.X = endPoint.X;
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startPoint.Y = endPoint.Y;
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}
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else if (nextLine.StartsWith("Text"))
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{
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nextLine = nextLine.Remove(0, 4);
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nextLine = nextLine.Trim();
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graph.DrawString(nextLine, myFont, myBrush, startPoint);
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}
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else if (nextLine.StartsWith("Image"))
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 5, ref x, ref y);
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endPoint.X = (int) x;
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endPoint.Y = (int) y;
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using (Image image = ImageHttpRequest(nextLine))
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{
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if (image != null)
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{
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graph.DrawImage(image, (float)startPoint.X, (float)startPoint.Y, x, y);
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}
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else
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{
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using (Font errorFont = new Font(m_fontName,6))
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{
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graph.DrawString("URL couldn't be resolved or is", errorFont,
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myBrush, startPoint);
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graph.DrawString("not an image. Please check URL.", errorFont,
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myBrush, new Point(startPoint.X, 12 + startPoint.Y));
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}
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graph.DrawRectangle(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
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}
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}
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startPoint.X += endPoint.X;
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startPoint.Y += endPoint.Y;
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}
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else if (nextLine.StartsWith("Rectangle"))
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 9, ref x, ref y);
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endPoint.X = (int) x;
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endPoint.Y = (int) y;
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graph.DrawRectangle(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
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startPoint.X += endPoint.X;
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startPoint.Y += endPoint.Y;
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}
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startPoint.X += endPoint.X;
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startPoint.Y += endPoint.Y;
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}
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else if (nextLine.StartsWith("Rectangle"))
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 9, ref x, ref y);
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endPoint.X = (int) x;
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endPoint.Y = (int) y;
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graph.DrawRectangle(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
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startPoint.X += endPoint.X;
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startPoint.Y += endPoint.Y;
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}
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else if (nextLine.StartsWith("FillRectangle"))
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 13, ref x, ref y);
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endPoint.X = (int) x;
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endPoint.Y = (int) y;
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graph.FillRectangle(myBrush, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
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startPoint.X += endPoint.X;
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startPoint.Y += endPoint.Y;
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}
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else if (nextLine.StartsWith("FillPolygon"))
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{
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PointF[] points = null;
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GetParams(partsDelimiter, ref nextLine, 11, ref points);
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graph.FillPolygon(myBrush, points);
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}
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else if (nextLine.StartsWith("Polygon"))
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{
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PointF[] points = null;
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GetParams(partsDelimiter, ref nextLine, 7, ref points);
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graph.DrawPolygon(drawPen, points);
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}
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else if (nextLine.StartsWith("Ellipse"))
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 7, ref x, ref y);
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endPoint.X = (int)x;
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endPoint.Y = (int)y;
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graph.DrawEllipse(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
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startPoint.X += endPoint.X;
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startPoint.Y += endPoint.Y;
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}
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else if (nextLine.StartsWith("FontSize"))
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{
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nextLine = nextLine.Remove(0, 8);
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nextLine = nextLine.Trim();
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fontSize = Convert.ToSingle(nextLine, CultureInfo.InvariantCulture);
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myFont = new Font(fontName, fontSize);
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}
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else if (nextLine.StartsWith("FontProp"))
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{
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nextLine = nextLine.Remove(0, 8);
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nextLine = nextLine.Trim();
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string[] fprops = nextLine.Split(partsDelimiter);
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foreach (string prop in fprops)
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else if (nextLine.StartsWith("FillRectangle"))
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 13, ref x, ref y);
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endPoint.X = (int) x;
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endPoint.Y = (int) y;
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graph.FillRectangle(myBrush, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
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startPoint.X += endPoint.X;
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startPoint.Y += endPoint.Y;
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}
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else if (nextLine.StartsWith("FillPolygon"))
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{
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PointF[] points = null;
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GetParams(partsDelimiter, ref nextLine, 11, ref points);
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graph.FillPolygon(myBrush, points);
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}
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else if (nextLine.StartsWith("Polygon"))
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{
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PointF[] points = null;
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GetParams(partsDelimiter, ref nextLine, 7, ref points);
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graph.DrawPolygon(drawPen, points);
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}
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else if (nextLine.StartsWith("Ellipse"))
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{
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float x = 0;
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float y = 0;
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GetParams(partsDelimiter, ref nextLine, 7, ref x, ref y);
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endPoint.X = (int)x;
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endPoint.Y = (int)y;
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graph.DrawEllipse(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
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startPoint.X += endPoint.X;
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startPoint.Y += endPoint.Y;
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}
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else if (nextLine.StartsWith("FontSize"))
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{
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nextLine = nextLine.Remove(0, 8);
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nextLine = nextLine.Trim();
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fontSize = Convert.ToSingle(nextLine, CultureInfo.InvariantCulture);
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switch (prop)
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myFont.Dispose();
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myFont = new Font(fontName, fontSize);
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}
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else if (nextLine.StartsWith("FontProp"))
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{
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nextLine = nextLine.Remove(0, 8);
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nextLine = nextLine.Trim();
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string[] fprops = nextLine.Split(partsDelimiter);
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foreach (string prop in fprops)
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{
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case "B":
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if (!(myFont.Bold))
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myFont = new Font(myFont, myFont.Style | FontStyle.Bold);
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break;
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case "I":
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if (!(myFont.Italic))
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myFont = new Font(myFont, myFont.Style | FontStyle.Italic);
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break;
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case "U":
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if (!(myFont.Underline))
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myFont = new Font(myFont, myFont.Style | FontStyle.Underline);
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break;
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case "S":
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if (!(myFont.Strikeout))
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myFont = new Font(myFont, myFont.Style | FontStyle.Strikeout);
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break;
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case "R":
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myFont = new Font(myFont, FontStyle.Regular);
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break;
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switch (prop)
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{
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case "B":
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if (!(myFont.Bold))
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{
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Font newFont = new Font(myFont, myFont.Style | FontStyle.Bold);
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myFont.Dispose();
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myFont = newFont;
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}
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break;
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case "I":
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if (!(myFont.Italic))
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{
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Font newFont = new Font(myFont, myFont.Style | FontStyle.Italic);
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myFont.Dispose();
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myFont = newFont;
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}
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break;
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case "U":
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if (!(myFont.Underline))
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{
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Font newFont = new Font(myFont, myFont.Style | FontStyle.Underline);
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myFont.Dispose();
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myFont = newFont;
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}
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break;
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case "S":
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if (!(myFont.Strikeout))
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{
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Font newFont = new Font(myFont, myFont.Style | FontStyle.Strikeout);
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myFont.Dispose();
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myFont = newFont;
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}
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break;
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case "R":
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Font newFont = new Font(myFont, FontStyle.Regular);
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myFont.Dispose();
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myFont = newFont;
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break;
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}
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}
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}
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}
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else if (nextLine.StartsWith("FontName"))
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{
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nextLine = nextLine.Remove(0, 8);
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fontName = nextLine.Trim();
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myFont = new Font(fontName, fontSize);
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}
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else if (nextLine.StartsWith("PenSize"))
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{
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nextLine = nextLine.Remove(0, 7);
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nextLine = nextLine.Trim();
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float size = Convert.ToSingle(nextLine, CultureInfo.InvariantCulture);
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drawPen.Width = size;
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}
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else if (nextLine.StartsWith("PenCap"))
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{
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bool start = true, end = true;
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nextLine = nextLine.Remove(0, 6);
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nextLine = nextLine.Trim();
|
||||
string[] cap = nextLine.Split(partsDelimiter);
|
||||
if (cap[0].ToLower() == "start")
|
||||
end = false;
|
||||
else if (cap[0].ToLower() == "end")
|
||||
start = false;
|
||||
else if (cap[0].ToLower() != "both")
|
||||
return;
|
||||
string type = cap[1].ToLower();
|
||||
|
||||
if (end)
|
||||
else if (nextLine.StartsWith("FontName"))
|
||||
{
|
||||
switch (type)
|
||||
nextLine = nextLine.Remove(0, 8);
|
||||
fontName = nextLine.Trim();
|
||||
myFont.Dispose();
|
||||
myFont = new Font(fontName, fontSize);
|
||||
}
|
||||
else if (nextLine.StartsWith("PenSize"))
|
||||
{
|
||||
nextLine = nextLine.Remove(0, 7);
|
||||
nextLine = nextLine.Trim();
|
||||
float size = Convert.ToSingle(nextLine, CultureInfo.InvariantCulture);
|
||||
drawPen.Width = size;
|
||||
}
|
||||
else if (nextLine.StartsWith("PenCap"))
|
||||
{
|
||||
bool start = true, end = true;
|
||||
nextLine = nextLine.Remove(0, 6);
|
||||
nextLine = nextLine.Trim();
|
||||
string[] cap = nextLine.Split(partsDelimiter);
|
||||
if (cap[0].ToLower() == "start")
|
||||
end = false;
|
||||
else if (cap[0].ToLower() == "end")
|
||||
start = false;
|
||||
else if (cap[0].ToLower() != "both")
|
||||
return;
|
||||
string type = cap[1].ToLower();
|
||||
|
||||
if (end)
|
||||
{
|
||||
case "arrow":
|
||||
drawPen.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
|
||||
break;
|
||||
case "round":
|
||||
drawPen.EndCap = System.Drawing.Drawing2D.LineCap.RoundAnchor;
|
||||
break;
|
||||
case "diamond":
|
||||
drawPen.EndCap = System.Drawing.Drawing2D.LineCap.DiamondAnchor;
|
||||
break;
|
||||
case "flat":
|
||||
drawPen.EndCap = System.Drawing.Drawing2D.LineCap.Flat;
|
||||
break;
|
||||
switch (type)
|
||||
{
|
||||
case "arrow":
|
||||
drawPen.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
|
||||
break;
|
||||
case "round":
|
||||
drawPen.EndCap = System.Drawing.Drawing2D.LineCap.RoundAnchor;
|
||||
break;
|
||||
case "diamond":
|
||||
drawPen.EndCap = System.Drawing.Drawing2D.LineCap.DiamondAnchor;
|
||||
break;
|
||||
case "flat":
|
||||
drawPen.EndCap = System.Drawing.Drawing2D.LineCap.Flat;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (start)
|
||||
{
|
||||
switch (type)
|
||||
{
|
||||
case "arrow":
|
||||
drawPen.StartCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
|
||||
break;
|
||||
case "round":
|
||||
drawPen.StartCap = System.Drawing.Drawing2D.LineCap.RoundAnchor;
|
||||
break;
|
||||
case "diamond":
|
||||
drawPen.StartCap = System.Drawing.Drawing2D.LineCap.DiamondAnchor;
|
||||
break;
|
||||
case "flat":
|
||||
drawPen.StartCap = System.Drawing.Drawing2D.LineCap.Flat;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (start)
|
||||
else if (nextLine.StartsWith("PenColour") || nextLine.StartsWith("PenColor"))
|
||||
{
|
||||
switch (type)
|
||||
nextLine = nextLine.Remove(0, 9);
|
||||
nextLine = nextLine.Trim();
|
||||
int hex = 0;
|
||||
|
||||
Color newColor;
|
||||
if (Int32.TryParse(nextLine, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out hex))
|
||||
{
|
||||
case "arrow":
|
||||
drawPen.StartCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
|
||||
break;
|
||||
case "round":
|
||||
drawPen.StartCap = System.Drawing.Drawing2D.LineCap.RoundAnchor;
|
||||
break;
|
||||
case "diamond":
|
||||
drawPen.StartCap = System.Drawing.Drawing2D.LineCap.DiamondAnchor;
|
||||
break;
|
||||
case "flat":
|
||||
drawPen.StartCap = System.Drawing.Drawing2D.LineCap.Flat;
|
||||
break;
|
||||
newColor = Color.FromArgb(hex);
|
||||
}
|
||||
else
|
||||
{
|
||||
// this doesn't fail, it just returns black if nothing is found
|
||||
newColor = Color.FromName(nextLine);
|
||||
}
|
||||
|
||||
myBrush.Color = newColor;
|
||||
drawPen.Color = newColor;
|
||||
}
|
||||
}
|
||||
else if (nextLine.StartsWith("PenColour") || nextLine.StartsWith("PenColor"))
|
||||
{
|
||||
nextLine = nextLine.Remove(0, 9);
|
||||
nextLine = nextLine.Trim();
|
||||
int hex = 0;
|
||||
}
|
||||
finally
|
||||
{
|
||||
if (drawPen != null)
|
||||
drawPen.Dispose();
|
||||
|
||||
Color newColor;
|
||||
if (Int32.TryParse(nextLine, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out hex))
|
||||
{
|
||||
newColor = Color.FromArgb(hex);
|
||||
}
|
||||
else
|
||||
{
|
||||
// this doesn't fail, it just returns black if nothing is found
|
||||
newColor = Color.FromName(nextLine);
|
||||
}
|
||||
if (myFont != null)
|
||||
myFont.Dispose();
|
||||
|
||||
myBrush.Color = newColor;
|
||||
drawPen.Color = newColor;
|
||||
}
|
||||
if (myBrush != null)
|
||||
myBrush.Dispose();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -691,7 +753,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
|
|||
{
|
||||
try
|
||||
{
|
||||
WebRequest request = HttpWebRequest.Create(url);
|
||||
WebRequest request = HttpWebRequest.Create(url);
|
||||
//Ckrinke: Comment out for now as 'str' is unused. Bring it back into play later when it is used.
|
||||
//Ckrinke Stream str = null;
|
||||
HttpWebResponse response = (HttpWebResponse)(request).GetResponse();
|
||||
|
|
@ -702,7 +764,8 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
|
|||
}
|
||||
}
|
||||
catch { }
|
||||
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue