/// <summary>Checks whether this instance is equal to the specified object.</summary>
/// <param name="obj">The object.</param>
/// <returns>Whether this instance is equal to the specified object.</returns>
public override bool Equals(object obj)
{
if (object.ReferenceEquals(this, obj))
{
return(true);
}
if (object.ReferenceEquals(this, null))
{
return(false);
}
if (object.ReferenceEquals(obj, null))
{
return(false);
}
if (!(obj is TextureParameters))
{
return(false);
}
TextureParameters x = (TextureParameters)obj;
if (this.MyClipRegion != x.MyClipRegion)
{
return(false);
}
if (this.MyTransparentColor != x.MyTransparentColor)
{
return(false);
}
return(true);
}
/// <summary>Registers a texture and returns a handle to the texture.</summary>
/// <param name="bitmap">The bitmap that contains the texture.</param>
/// <param name="parameters">The parameters that specify how to process the texture.</param>
/// <returns>The handle to the texture.</returns>
/// <remarks>Be sure not to dispose of the bitmap after calling this function.</remarks>
internal static Texture RegisterTexture(Bitmap bitmap, OpenBveApi.Textures.TextureParameters parameters)
{
/*
* Register the texture and return the newly created handle.
* */
int idx = GetNextFreeTexture();
RegisteredTextures[idx] = new Texture(bitmap, parameters);
RegisteredTexturesCount++;
return(RegisteredTextures[idx]);
}
// --- apply parameters ---
/// <summary>Applies parameters onto a texture.</summary>
/// <param name="texture">The original texture.</param>
/// <param name="parameters">The parameters, or a null reference.</param>
/// <returns>The texture with the parameters applied.</returns>
/// <exception cref="System.ArgumentException">Raised when the clip region is outside the texture bounds.</exception>
/// <exception cref="System.NotSupportedException">Raised when the bits per pixel in the texture is other than 32.</exception>
internal static Texture ApplyParameters(Texture texture, TextureParameters parameters) {
Texture result = texture;
if (parameters != null) {
if (parameters.ClipRegion != null) {
result = ExtractClipRegion(result, parameters.ClipRegion);
}
if (parameters.TransparentColor != null) {
result = ApplyTransparentColor(result, parameters.TransparentColor);
}
}
return result;
}
/// <summary>Loads a texture and returns the texture data.</summary>
/// <param name="path">The path to the file or folder that contains the texture.</param>
/// <param name="parameters">The parameters that specify how to process the texture.</param>
/// <param name="texture">Receives the texture.</param>
/// <returns>Whether loading the texture was successful.</returns>
public override bool LoadTexture(string path, OpenBveApi.Textures.TextureParameters parameters, out OpenBveApi.Textures.Texture texture)
{
if (System.IO.File.Exists(path) || System.IO.Directory.Exists(path))
{
for (int i = 0; i < Program.CurrentHost.Plugins.Length; i++)
{
if (Program.CurrentHost.Plugins[i].Texture != null)
{
try
{
if (Program.CurrentHost.Plugins[i].Texture.CanLoadTexture(path))
{
try
{
if (Program.CurrentHost.Plugins[i].Texture.LoadTexture(path, out texture))
{
//texture.CompatibleTransparencyMode = Interface.CurrentOptions.OldTransparencyMode;
texture = texture.ApplyParameters(parameters);
return(true);
}
Interface.AddMessage(MessageType.Error, false, "Plugin " + Program.CurrentHost.Plugins[i].Title + " returned unsuccessfully at LoadTexture");
}
catch (Exception ex)
{
Interface.AddMessage(MessageType.Error, false, "Plugin " + Program.CurrentHost.Plugins[i].Title + " raised the following exception at LoadTexture:" + ex.Message);
}
}
}
catch (Exception ex)
{
Interface.AddMessage(MessageType.Error, false, "Plugin " + Program.CurrentHost.Plugins[i].Title + " raised the following exception at CanLoadTexture:" + ex.Message);
}
}
}
FileInfo f = new FileInfo(path);
if (f.Length == 0)
{
Interface.AddMessage(MessageType.Error, false, "Zero-byte texture file encountered at " + path);
}
else
{
Interface.AddMessage(MessageType.Error, false, "No plugin found that is capable of loading texture " + path);
}
}
else
{
ReportProblem(OpenBveApi.Hosts.ProblemType.PathNotFound, path);
}
texture = null;
return(false);
}
/// <summary>Applies parameters onto a texture.</summary>
/// <param name="texture">The original texture.</param>
/// <param name="parameters">The parameters, or a null reference.</param>
/// <returns>The texture with the parameters applied.</returns>
/// <exception cref="System.ArgumentException">Raised when the clip region is outside the texture bounds.</exception>
/// <exception cref="System.NotSupportedException">Raised when the bits per pixel in the texture is other than 32.</exception>
internal static Texture ApplyParameters(Texture texture, TextureParameters parameters)
{
Texture result = texture;
if (parameters != null)
{
if (parameters.ClipRegion != null)
{
result = ExtractClipRegion(result, parameters.ClipRegion);
}
if (parameters.TransparentColor != null)
{
result = ApplyTransparentColor(result, parameters.TransparentColor);
}
}
return(result);
}
// --- functions ---
/// <summary>Applies the specified parameters onto this texture.</summary>
/// <param name="parameters">The parameters, or a null reference.</param>
/// <returns>The texture with the parameters applied.</returns>
/// <exception cref="System.ArgumentException">Raised when the clip region is outside the texture bounds.</exception>
/// <exception cref="System.NotSupportedException">Raised when the bits per pixel in the texture is not supported.</exception>
public Texture ApplyParameters(TextureParameters parameters)
{
return(Functions.ApplyParameters(this, parameters));
}
/// <summary>Creates a new texture.</summary>
/// <param name="path">The path to the texture.</param>
/// <param name="parameters">The parameters that specify how to process the texture.</param>
/// <param name="currentHost">The callback function to the host application</param>
public Texture(string path, TextureParameters parameters, Hosts.HostInterface currentHost)
{
this.Origin = new PathOrigin(path, parameters, currentHost);
this.OpenGlTextures = new OpenGlTexture[] { new OpenGlTexture(), new OpenGlTexture(), new OpenGlTexture(), new OpenGlTexture() };
}
/// <summary>Creates a new texture.</summary>
/// <param name="bitmap">The System.Drawing.Bitmap that contains the texture.</param>
/// <param name="parameters">The parameters that specify how to process the texture.</param>
public Texture(Bitmap bitmap, TextureParameters parameters)
{
this.Origin = new BitmapOrigin(bitmap, parameters);
this.OpenGlTextures = new OpenGlTexture[] { new OpenGlTexture(), new OpenGlTexture(), new OpenGlTexture(), new OpenGlTexture() };
}
/// <summary>Registers a texture and returns a handle to the texture.</summary>
/// <param name="texture">The texture data.</param>
/// <param name="parameters">The parameters that specify how to process the texture.</param>
/// <param name="handle">Receives the handle to the texture.</param>
/// <returns>Whether loading the texture was successful.</returns>
public virtual bool RegisterTexture(Textures.Texture texture, TextureParameters parameters, out TextureHandle handle) {
handle = null;
return false;
}
/// <summary>Registers a texture and returns a handle to the texture.</summary>
/// <param name="path">The path to the file or folder that contains the texture.</param>
/// <param name="parameters">The parameters that specify how to process the texture.</param>
/// <param name="handle">Receives the handle to the texture.</param>
/// <returns>Whether loading the texture was successful.</returns>
public virtual bool RegisterTexture(string path, TextureParameters parameters, out TextureHandle handle) {
handle = null;
return false;
}
/// <summary>Loads a texture and returns the texture data.</summary>
/// <param name="path">The path to the file or folder that contains the texture.</param>
/// <param name="parameters">The parameters that specify how to process the texture.</param>
/// <param name="texture">Receives the texture.</param>
/// <returns>Whether loading the texture was successful.</returns>
public virtual bool LoadTexture(string path, TextureParameters parameters, out Textures.Texture texture) {
texture = null;
return false;
}
// --- functions ---
/// <summary>Applies the specified parameters onto this texture.</summary>
/// <param name="parameters">The parameters, or a null reference.</param>
/// <returns>The texture with the parameters applied.</returns>
/// <exception cref="System.ArgumentException">Raised when the clip region is outside the texture bounds.</exception>
/// <exception cref="System.NotSupportedException">Raised when the bits per pixel in the texture is not supported.</exception>
public Texture ApplyParameters(TextureParameters parameters) {
return Functions.ApplyParameters(this, parameters);
}
/// <summary>Creates a new bitmap origin.</summary>
/// <param name="bitmap">The bitmap.</param>
/// <param name="parameters">The texture parameters</param>
public BitmapOrigin(Bitmap bitmap, TextureParameters parameters)
{
this.Bitmap = bitmap;
this.Parameters = parameters;
}
/// <summary>Applies the specified parameters onto a texture.</summary>
/// <param name="texture">The original texture.</param>
/// <param name="parameters">The parameters, or a null reference.</param>
/// <returns>The texture with the parameters applied.</returns>
/// <exception cref="System.ArgumentException">Raised when the clip region is outside the texture bounds.</exception>
/// <exception cref="System.NotSupportedException">Raised when the bits per pixel in the texture is not supported.</exception>
public static Texture ApplyParameters(Texture texture, TextureParameters parameters)
{
return(Functions.ApplyParameters(texture, parameters));
}
/// <summary>Registeres a texture and returns a handle to the texture.</summary>
/// <param name="path">The path to the texture.</param>
/// <param name="parameters">The parameters that specify how to process the texture.</param>
/// <param name="handle">Receives a handle to the texture.</param>
/// <returns>Whether registering the texture was successful.</returns>
internal static bool RegisterTexture(string path, OpenBveApi.Textures.TextureParameters parameters, out Texture handle)
{
/* BUG:
* Attempt to delete null texture handles from the end of the array
* These sometimes seem to end up there
*
* Have also seen a registered textures count of 72 and an array length of 64
* Is it possible for a texture to fail to register, but still increment the registered textures count?
*
* There appears to be a timing issue somewhere whilst loading, as this only happens intermittantly
*/
if (RegisteredTexturesCount > RegisteredTextures.Length)
{
/* BUG:
* The registered textures count very occasional becomes greater than the array length (Texture loader crashses possibly?)
* This then crashes when we attempt to itinerate the array, so reset it...
*/
RegisteredTexturesCount = RegisteredTextures.Length;
}
if (RegisteredTexturesCount != 0)
{
try
{
for (int i = RegisteredTexturesCount - 1; i > 0; i--)
{
if (RegisteredTextures[i] != null)
{
break;
}
Array.Resize <Texture>(ref RegisteredTextures, RegisteredTextures.Length - 1);
}
}
catch
{
}
}
/*
* Check if the texture is already registered.
* If so, return the existing handle.
* */
for (int i = 0; i < RegisteredTexturesCount; i++)
{
if (RegisteredTextures[i] != null)
{
try
{
//The only exceptions thrown were these when it barfed
PathOrigin source = RegisteredTextures[i].Origin as PathOrigin;
if (source != null && source.Path == path && source.Parameters == parameters)
{
handle = RegisteredTextures[i];
return(true);
}
}
catch
{
}
}
}
/*
* Register the texture and return the newly created handle.
* */
int idx = GetNextFreeTexture();
RegisteredTextures[idx] = new Texture(path, parameters);
RegisteredTexturesCount++;
handle = RegisteredTextures[idx];
return(true);
}
