internal CodeWriter Constructor(ShaderModel model, bool defaultCtor)
{
if (defaultCtor)
{
this.Line("/// <summary>")
.Line($"/// The uri should be something like pack://application:,,,/Gu.Wpf.Geometry;component/Effects/{model.GeneratedClassName}.ps")
.Line($"/// The file {model.GeneratedClassName}.ps should have BuildAction: Resource")
.Line("/// </summary>")
.Line("private static readonly PixelShader Shader = new PixelShader")
.Line("{")
.Line($" UriSource = new Uri(\"pack://application:,,,/[assemblyname];component/[folder]/{model.GeneratedClassName}.ps\", UriKind.Absolute),")
.Line("};")
.Line()
.Line($"public {model.GeneratedClassName}()")
.OpenCurly()
.Line("this.PixelShader = Shader;");
}
else
{
this.Line($"public {model.GeneratedClassName}(PixelShader shader)")
.OpenCurly()
.Line("this.PixelShader = shader;");
}
this.Line("this.UpdateShaderValue(InputProperty);");
foreach (var register in model.Registers)
{
this.Line($"this.UpdateShaderValue({register.Name}Property);");
}
return(this.EndCurly()
.Line());
}
internal CodeWriter Properties(ShaderModel model)
{
this.Summary("There has to be a property of type Brush called Input. This property contains the input image and it is usually not set directly - it is set automatically when our effect is applied to a control.")
.Line("public Brush Input")
.Line("{")
.Line($" get => (Brush)this.GetValue(InputProperty);")
.Line($" set => this.SetValue(InputProperty, value);")
.Line("}");
foreach (var register in model.Registers)
{
this.Line()
.Summary(register.Description)
.Line($"public {TypeName(register.Type)} {register.Name}")
.Line("{")
.Line($" get => ({TypeName(register.Type)})this.GetValue({register.Name}Property);")
.Line($" set => this.SetValue({register.Name}Property, value);")
.Line("}");
}
return(this);
}
internal CodeWriter BackingFields(ShaderModel model)
{
this.Summary("Identifies the Input dependency property.")
.Line("public static readonly DependencyProperty InputProperty = ShaderEffect.RegisterPixelShaderSamplerProperty(")
.Line(" nameof(Input),")
.Line($" typeof({model.GeneratedClassName}),")
.Line($" 0);")
.Line();
foreach (var register in model.Registers)
{
this.Summary($"Identifies the {register.Name} dependency property.")
.Line($"public static readonly DependencyProperty {register.Name}Property = DependencyProperty.Register(")
.Line($" nameof({register.Name}),")
.Line($" typeof({TypeName(register.Type)}),")
.Line($" typeof({model.GeneratedClassName}),")
.Line(" new UIPropertyMetadata(")
.Line($" {DefaultValue(register.DefaultValue, register.Type)},")
.Line($" PixelShaderConstantCallback({register.Ordinal})));")
.Line();
}
return(this);
}