private static bool HandleSaveToFile(SharpShader ss, string s, Expression e, Dictionary <string, string> aliases)
{
if (!CheckArgumentCount(ss, s, e, 2, 3))
{
return(false);
}
var name = ApplyAliases(e.Args[0], aliases);
if (e.ArgsCount == 2)
{
var format = e.Args[1].ToLowerInvariant();
ImageFormat eformat = null;
if (!TryParse(format, out eformat))
{
ss.LastLoadMessages = FormErrorMessage(s, "Unrecognized image format - '{0}'.", format);
return(false);
}
ss.Tasks.Add(new SaveImageToFileTask(name, eformat));
}
else
{
var path = ApplyAliases(e.Args[1], aliases);
var format = e.Args[2].ToLowerInvariant();
ImageFormat eformat = null;
if (!TryParse(format, out eformat))
{
ss.LastLoadMessages = FormErrorMessage(s, "Unrecognized image format - '{0}'.", format);
return(false);
}
ss.Tasks.Add(new SaveImageToFileTask(name, eformat, path));
}
return(true);
}
private static bool CheckArgumentCount(SharpShader ss, string s, Expression e, int expected = 0)
{
if (e.ArgsCount == expected)
{
return(true);
}
ss.LastLoadMessages = FormErrorMessage(s, "{0} arguments expected, got {1}.", expected, e.ArgsCount);
return(false);
}
private static bool Handle_Alias(SharpShader ss, string s, Expression e, Dictionary <string, string> aliases)
{
if (!CheckArgumentCount(ss, s, e, 2))
{
return(false);
}
aliases[e.Args[0]] = e.Args[1];
return(true);
}
private static bool CheckArgumentCount(SharpShader ss, string s, Expression e, int expectedAtLeast, int expectedAtMost)
{
if ((e.ArgsCount >= expectedAtLeast) && (e.ArgsCount <= expectedAtMost))
{
return(true);
}
ss.LastLoadMessages = FormErrorMessage(s, "{0}..{1} arguments expected, got {2}.", expectedAtLeast, expectedAtMost, e.ArgsCount);
return(false);
}
private static bool HandleSetNoAccess(SharpShader ss, string s, Expression e, Dictionary <string, string> aliases)
{
if (!CheckArgumentCount(ss, s, e, 1))
{
return(false);
}
var name = ApplyAliases(e.Args[0], aliases);
ss.Tasks.Add(new LockImageTask(name, ImageLockMode.UserInputBuffer));
return(true);
}
private static bool HandleCreateTarget(SharpShader ss, string s, Expression e, Dictionary <string, string> aliases)
{
if (!CheckArgumentCount(ss, s, e, 2))
{
return(false);
}
var src = ApplyAliases(e.Args[0], aliases);
var tt = ApplyAliases(e.Args[1], aliases);
ss.Tasks.Add(new CreateTargetForImageTask(src, tt));
return(true);
}
private static bool HandleProcess(SharpShader ss, string s, Expression e, Dictionary <string, string> aliases)
{
if (!CheckArgumentCount(ss, s, e, 3, 5))
{
return(false);
}
var imgName = ApplyAliases(e.Args[0], aliases);
var ttName = ApplyAliases(e.Args[1], aliases);
var shaderPath = ApplyAliases(e.Args[2], aliases);
if (!File.Exists(shaderPath))
{
ss.LastLoadMessages = FormErrorMessage(s, "Shader code not found at '{0}'", shaderPath);
return(false);
}
DProcessPixel shader;
if (!ss.CompileShader(s, shaderPath, out shader))
{
return(false);
}
var task = new ProcessFullImageTask(imgName, shader, ttName);
ss.Tasks.Add(task);
if (e.ArgsCount == 3)
{
return(true);
}
int v;
if (!int.TryParse(e.Args[3], out v) || v < 1)
{
ss.LastLoadMessages = FormErrorMessage(s, "Argument #4 (ThreadID) should be natural number (1+), got '{0}'",
e.Args[3]);
return(false);
}
task.ThreadsToUse = v;
if (e.ArgsCount == 4)
{
return(true);
}
if (!int.TryParse(e.Args[4], out v) || v < 1)
{
ss.LastLoadMessages = FormErrorMessage(s, "Argument #5 (FragmentSize) should be natural number (1+), got '{0}'",
e.Args[4]);
return(false);
}
task.MaxFragmentHeight = task.MaxFragmentWidth = v;
return(true);
}
private static bool HandleLoadFromFile(SharpShader ss, string s, Expression e, Dictionary <string, string> aliases)
{
if (!CheckArgumentCount(ss, s, e, 1))
{
return(false);
}
var path = ApplyAliases(e.Args[0], aliases);
/*
* if (!File.Exists(path))
* {
* ss.LastLoadMessages = FormErrorMessage(s, "{0} - file does not exist.", path);
* return false;
* }*/
var task = new LoadImageFromFileTask(path);
ss.Tasks.Add(task);
return(true);
}
