using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.IO;
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using System.Drawing;
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using System.Collections;
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using System.Net;
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namespace tileserver
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{
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class ImageFactory
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{
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public static byte[] getImageData(int x1, int y1, int x2, int y2, int zoom, String[] layers, int width, int height, String path)
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{
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int cols = (x2 - x1 + 1);
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int rows = (y2 - y1 + 1);
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Tiles tiles = new Tiles();
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{
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tiles.Zoom = zoom;
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tiles.Width = Program.TILE_SIZE;
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tiles.Height = Program.TILE_SIZE;
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tiles.Zoom = zoom;
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tiles.Layers = layers;
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tiles.ListTiles = new Tile[cols * rows];
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int apuntador = 0;
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for (int i = x1; i <= x2; i++)
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{
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for (int j = y1; j <= y2; j++)
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{
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Tile tile = new Tile();
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tile.X = i;
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tile.Y = j;
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tiles.ListTiles[apuntador] = tile;
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apuntador++;
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}
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}
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}
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MetaReader.fillTiles(Program.folder + "/" + path + "/", tiles);
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return merge(tiles, width, height, cols, rows);
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}
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public static byte[] merge(Tiles tiles, int width, int height, int cols, int rows)
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{
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byte[] result = new byte[0];
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Bitmap bitmap = null;
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Graphics graphics = null;
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try
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{
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bitmap = new Bitmap(width, height);
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graphics = Graphics.FromImage(bitmap);
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graphics.Clear(Color.FromArgb(255, 170, 211, 223));
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int apuntador = 0;
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for (int i = 0; i < cols; i++)
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{
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for (int j = 0; j < rows; j++)
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{
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byte[] data = tiles.ListTiles[apuntador].Data;
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MemoryStream memoryStream = new MemoryStream(data, 0, data.Length);
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memoryStream.Write(data, 0, data.Length);
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Image imagen = Image.FromStream(memoryStream, true);
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if (imagen != null)
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{
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graphics.DrawImageUnscaled(imagen, new Point(i * Program.TILE_SIZE, j * Program.TILE_SIZE));
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imagen.Dispose();
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}
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apuntador++;
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}
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}
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using (MemoryStream stream = new MemoryStream())
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{
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bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
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stream.Close();
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result = stream.ToArray();
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}
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}
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catch (Exception)
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{
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}
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try { bitmap.Dispose(); } catch (Exception) { };
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try { graphics.Dispose(); } catch (Exception) { };
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return result;
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}
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public static void merge(Tiles tiles, Tile tile, List<byte[]> ldata)
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{
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Bitmap imageMerge = null;
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Graphics graphics = null;
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try
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{
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imageMerge = new Bitmap(tiles.Width, tiles.Height);
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graphics = Graphics.FromImage(imageMerge);
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graphics.Clear(Color.FromArgb(255, 170, 211, 223));
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for (int i = 0; i < ldata.Count; i++)
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{
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Image imagen = null;
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try
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{
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byte[] data = ldata.ElementAt(i);
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MemoryStream memoryStream = new MemoryStream(data, 0, data.Length);
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memoryStream.Write(data, 0, data.Length);
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imagen = Image.FromStream(memoryStream, true);
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graphics.DrawImageUnscaled(imagen, new Point(0, 0));
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imagen.Dispose();
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}
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catch (Exception)
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{
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}
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try { imagen.Dispose(); } catch (Exception) { };
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}
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//String coordinates = tile.X + " " + tile.Y;
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//graphics.DrawString(coordinates, new Font(FontFamily.GenericSansSerif, 15, FontStyle.Regular), new SolidBrush(Color.Black), 15, 15);
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//graphics.Dispose();
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using (MemoryStream stream = new MemoryStream())
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{
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imageMerge.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
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stream.Close();
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tile.Data = stream.ToArray();
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}
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imageMerge.Dispose();
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}
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catch (Exception)
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{
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}
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try { graphics.Dispose(); } catch (Exception) { };
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try { imageMerge.Dispose(); } catch (Exception) { };
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}
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public static byte[] crop(byte[] data, int x, int y, int width, int height)
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{
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byte[] result = new byte[0];
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Image imageSource = null;
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Bitmap imageDestination = null;
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Graphics graphics = null;
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try
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{
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MemoryStream memoryStream = new MemoryStream(data, 0, data.Length);
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memoryStream.Write(data, 0, data.Length);
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imageSource = Image.FromStream(memoryStream, true);
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imageDestination = new Bitmap(width, height);
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graphics = Graphics.FromImage(imageDestination);
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graphics.Clear(Color.FromArgb(255, 170, 211, 223));
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graphics.DrawImageUnscaled(imageSource, new Point(-x, -y));
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}
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catch (Exception)
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{
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}
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using (MemoryStream stream = new MemoryStream())
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{
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imageDestination.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
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stream.Close();
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result = stream.ToArray();
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}
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try { graphics.Dispose(); } catch (Exception) { };
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try { imageSource.Dispose(); } catch (Exception) { };
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try { imageDestination.Dispose(); } catch (Exception) { };
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return result;
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}
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}
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}
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