ofxParam.h File Reference

Detailed Description

This header contains the suite definition to manipulate host side parameters.

For more details go see ParametersPage

#include "ofxCore.h"
#include "ofxProperty.h"

Go to the source code of this file.

Classes

struct OfxParameterSuiteV1

The OFX suite used to define and manipulate user visible parameters. More...

Defines

#define kOfxParameterSuite   "OfxParameterSuite"

string value to the kOfxPropType property for all parameters

#define kOfxTypeParameter   "OfxTypeParameter"

string value on the kOfxPropType property for all parameter definitions (ie: the handle returned in describe)

#define kOfxTypeParameterInstance   "OfxTypeParameterInstance"

string value on the kOfxPropType property for all parameter instances

#define kOfxParamTypeInteger   "OfxParamTypeInteger"

String to identify a param as a single valued integer.

#define kOfxParamTypeDouble   "OfxParamTypeDouble"

String to identify a param as a Single valued floating point parameter.

#define kOfxParamTypeBoolean   "OfxParamTypeBoolean"

String to identify a param as a Single valued boolean parameter.

#define kOfxParamTypeChoice   "OfxParamTypeChoice"

String to identify a param as a Single valued, 'one-of-many' parameter.

#define kOfxParamTypeRGBA   "OfxParamTypeRGBA"

String to identify a param as a Red, Green, Blue and Alpha colour parameter.

#define kOfxParamTypeRGB   "OfxParamTypeRGB"

String to identify a param as a Red, Green and Blue colour parameter.

#define kOfxParamTypeDouble2D   "OfxParamTypeDouble2D"

String to identify a param as a Two dimensional floating point parameter.

#define kOfxParamTypeInteger2D   "OfxParamTypeInteger2D"

String to identify a param as a Two dimensional integer point parameter.

#define kOfxParamTypeDouble3D   "OfxParamTypeDouble3D"

String to identify a param as a Three dimensional floating point parameter.

#define kOfxParamTypeInteger3D   "OfxParamTypeInteger3D"

String to identify a param as a Three dimensional integer parameter.

#define kOfxParamTypeString   "OfxParamTypeString"

String to identify a param as a String (UTF8) parameter.

#define kOfxParamTypeCustom   "OfxParamTypeCustom"

String to identify a param as a Plug-in defined parameter.

#define kOfxParamTypeGroup   "OfxParamTypeGroup"

String to identify a param as a Grouping parameter.

#define kOfxParamTypePage   "OfxParamTypePage"

String to identify a param as a page parameter.

#define kOfxParamTypePushButton   "OfxParamTypePushButton"

String to identify a param as a PushButton parameter.

#define kOfxParamHostPropSupportsCustomAnimation   "OfxParamHostPropSupportsCustomAnimation"

Indicates if the host supports animation of custom parameters.

#define kOfxParamHostPropSupportsStringAnimation   "OfxParamHostPropSupportsStringAnimation"

Indicates if the host supports animation of string params.

#define kOfxParamHostPropSupportsBooleanAnimation   "OfxParamHostPropSupportsBooleanAnimation"

Indicates if the host supports animation of boolean params.

#define kOfxParamHostPropSupportsChoiceAnimation   "OfxParamHostPropSupportsChoiceAnimation"

Indicates if the host supports animation of choice params.

#define kOfxParamHostPropSupportsCustomInteract   "OfxParamHostPropSupportsCustomInteract"

Indicates if the host supports custom interacts for parameters.

#define kOfxParamHostPropMaxParameters   "OfxParamHostPropMaxParameters"

Indicates the maximum numbers of parameters available on the host.

#define kOfxParamHostPropMaxPages   "OfxParamHostPropMaxPages"

Indicates the maximum number of parameter pages.

#define kOfxParamHostPropPageRowColumnCount   "OfxParamHostPropPageRowColumnCount"

This indicates the number of parameter rows and coloumns on a page.

#define kOfxParamPageSkipRow   "OfxParamPageSkipRow"

Pseudo parameter name used to skip a row in a page layout.

#define kOfxParamPageSkipColumn   "OfxParamPageSkipColumn"

Pseudo parameter name used to skip a row in a page layout.

#define kOfxParamPropInteractV1   "OfxParamPropInteractV1"

Overrides the parameter's standard user interface with the given interact.

#define kOfxParamPropInteractSize   "OfxParamPropInteractSize"

The size of a parameter instance's custom interface in screen pixels.

#define kOfxParamPropInteractSizeAspect   "OfxParamPropInteractSizeAspect"

The preferred aspect ratio of a parameter's custom interface.

#define kOfxParamPropInteractMinimumSize   "OfxParamPropInteractMinimumSize"

The minimum size of a parameter's custom interface, in screen pixels.

#define kOfxParamPropInteractPreferedSize   "OfxParamPropInteractPreferedSize"

The preferred size of a parameter's custom interface.

#define kOfxParamPropType   "OfxParamPropType"

The type of a parameter.

#define kOfxParamPropAnimates   "OfxParamPropAnimates"

Flags whether a parameter can animate.

#define kOfxParamPropCanUndo   "OfxParamPropCanUndo"

Flags whether changes to a parameter should be put on the undo/redo stack.

#define kOfxParamPropIsAnimating   "OfxParamPropIsAnimating"

Flags whether a parameter is currently animating.

#define kOfxParamPropPluginMayWrite   "OfxParamPropPluginMayWrite"

Flags whether the plugin will attempt to set the value of a parameter in some callback or analysis pass.

#define kOfxParamPropPersistant   "OfxParamPropPersistant"

Flags whether the value of a parameter should persist.

#define kOfxParamPropEvaluateOnChange   "OfxParamPropEvaluateOnChange"

Flags whether changing a parameter's value forces an evalution (ie: render),.

#define kOfxParamPropSecret   "OfxParamPropSecret"

Flags whether a parameter should be exposed to a user,.

#define kOfxParamPropScriptName   "OfxParamPropScriptName"

The value to be used as the id of the parameter in a host scripting language.

#define kOfxParamPropCacheInvalidation   "OfxParamPropCacheInvalidation"

Specifies how modifying the value of a param will affect any output of an effect over time.

#define kOfxParamInvalidateValueChange   "OfxParamInvalidateValueChange"

Used as a value for the kOfxParamPropCacheInvalidation property.

#define kOfxParamInvalidateValueChangeToEnd   "OfxParamInvalidateValueChangeToEnd"

Used as a value for the kOfxParamPropCacheInvalidation property.

#define kOfxParamInvalidateAll   "OfxParamInvalidateAll"

Used as a value for the kOfxParamPropCacheInvalidation property.

#define kOfxParamPropHint   "OfxParamPropHint"

A hint to the user as to how the parameter is to be used.

#define kOfxParamPropDefault   "OfxParamPropDefault"

The default value of a parameter.

#define kOfxParamPropDoubleType   "OfxParamPropDoubleType"

Describes how the double parameter should be interpreted by a host.

#define kOfxParamDoubleTypePlain   "OfxParamDoubleTypePlain"

value for the kOfxParamPropDoubleType property, indicating the parameter has no special interpretation and should be interpretted as a raw numeric value.

#define kOfxParamDoubleTypeScale   "OfxParamDoubleTypeScale"

value for the kOfxParamPropDoubleType property, indicating the parameter is to be interpreted as a scale factor. See ParameterPropertiesDoubleTypes.

#define kOfxParamDoubleTypeAngle   "OfxParamDoubleTypeAngle"

value for the kOfxParamDoubleTypeAngle property, indicating the parameter is to be interpreted as an angle. See ParameterPropertiesDoubleTypes.

#define kOfxParamDoubleTypeTime   "OfxParamDoubleTypeTime"

value for the kOfxParamDoubleTypeAngle property, indicating the parameter is to be interpreted as a time. See ParameterPropertiesDoubleTypes.

#define kOfxParamDoubleTypeAbsoluteTime   "OfxParamDoubleTypeAbsoluteTime"

value for the kOfxParamDoubleTypeAngle property, indicating the parameter is to be interpreted as an absolute time from the start of the effect. See ParameterPropertiesDoubleTypes.

#define kOfxParamDoubleTypeNormalisedX   "OfxParamDoubleTypeNormalisedX"

value for the kOfxParamPropDoubleType property, indicating a size normalised to the X dimension. See ParameterPropertiesDoubleTypes.

#define kOfxParamDoubleTypeNormalisedY   "OfxParamDoubleTypeNormalisedY"

value for the kOfxParamPropDoubleType property, indicating a size normalised to the Y dimension. See ParameterPropertiesDoubleTypes.

#define kOfxParamDoubleTypeNormalisedXAbsolute   "OfxParamDoubleTypeNormalisedXAbsolute"

value for the kOfxParamPropDoubleType property, indicating an absolute position normalised to the X dimension. See ParameterPropertiesDoubleTypes.

#define kOfxParamDoubleTypeNormalisedYAbsolute   "OfxParamDoubleTypeNormalisedYAbsolute"

value for the kOfxParamPropDoubleType property, indicating an absolute position normalised to the Y dimension. See ParameterPropertiesDoubleTypes.

#define kOfxParamDoubleTypeNormalisedXY   "OfxParamDoubleTypeNormalisedXY"

value for the kOfxParamPropDoubleType property, indicating normalisation to the X and Y dimension for 2D params. See ParameterPropertiesDoubleTypes.

#define kOfxParamDoubleTypeNormalisedXYAbsolute   "OfxParamDoubleTypeNormalisedXYAbsolute"

value for the kOfxParamPropDoubleType property, indicating normalisation to the X and Y dimension for a 2D param that can be interpretted as an absolute spatial position. See ParameterPropertiesDoubleTypes.

#define kOfxParamPropShowTimeMarker   "OfxParamPropShowTimeMarker"

Enables the display of a time marker on the host's time line to indicate the value of the absolute time param.

#define kOfxPluginPropParamPageOrder   "OfxPluginPropParamPageOrder"

Sets the parameter pages and order of pages.

#define kOfxParamPropPageChild   "OfxParamPropPageChild"

The names of the parameters included in a page parameter.

#define kOfxParamPropParent   "OfxParamPropParent"

The name of a parameter's parent group.

#define kOfxParamPropEnabled   "OfxParamPropEnabled"

Used to enable a parameter in the user interface.

#define kOfxParamPropDataPtr   "OfxParamPropDataPtr"

A private data pointer that the plug-in can store it's own data behind.

#define kOfxParamPropChoiceOption   "OfxParamPropChoiceOption"

Set an option in a choice parameter.

#define kOfxParamPropMin   "OfxParamPropMin"

The minimum value for a numeric parameter.

#define kOfxParamPropMax   "OfxParamPropMax"

The maximum value for a numeric parameter.

#define kOfxParamPropDisplayMin   "OfxParamPropDisplayMin"

The minimum value for a numeric parameter on any user interface.

#define kOfxParamPropDisplayMax   "OfxParamPropDisplayMax"

The maximum value for a numeric parameter on any user interface.

#define kOfxParamPropIncrement   "OfxParamPropIncrement"

The granularity of a slider used to represent a numeric parameter.

#define kOfxParamPropDigits   "OfxParamPropDigits"

How many digits after a decimal point to display for a double param in a GUI.

#define kOfxParamPropDimensionLabel   "OfxParamPropDimensionLabel"

Label for individual dimensions on a multidimensional numeric parameter.

#define kOfxParamPropIsAutoKeying   "OfxParamPropIsAutoKeying"

Will a value change on the parameter add automatic keyframes.

#define kOfxParamPropCustomInterpCallbackV1   "OfxParamPropCustomCallbackV1"

A pointer to a custom parameter's interpolation function.

#define kOfxParamPropStringMode   "OfxParamPropStringMode"

Used to indicate the type of a string parameter.

#define kOfxParamPropStringFilePathExists   "OfxParamPropStringFilePathExists"

Indicates string parameters of file or directory type need that file to exist already.

#define kOfxParamStringIsSingleLine   "OfxParamStringIsSingleLine"

Used to set a string parameter to be single line, value to be passed to a kOfxParamPropStringMode property.

#define kOfxParamStringIsMultiLine   "OfxParamStringIsMultiLine"

Used to set a string parameter to be multiple line, value to be passed to a kOfxParamPropStringMode property.

#define kOfxParamStringIsFilePath   "OfxParamStringIsFilePath"

Used to set a string parameter to be a file path, value to be passed to a kOfxParamPropStringMode property.

#define kOfxParamStringIsDirectoryPath   "OfxParamStringIsDirectoryPath"

Used to set a string parameter to be a directory path, value to be passed to a kOfxParamPropStringMode property.

#define kOfxParamStringIsLabel   "OfxParamStringIsLabel"

Use to set a string parameter to be a simple label, value to be passed to a kOfxParamPropStringMode property.

#define kOfxParamPropCustomValue   "OfxParamPropCustomValue"

Used by interpolating custom parameters to get and set interpolated values.

Type - C string X 1 or 2.

#define kOfxParamPropInterpolationTime   "OfxParamPropInterpolationTime"

Used by interpolating custom parameters to indicate the time a key occurs at.

#define kOfxParamPropInterpolationAmount   "OfxParamPropInterpolationAmount"

Property used by OfxCustomParamInterpFuncV1 to indicate the amount of interpolation to perform.

Typedefs

typedef OfxParamStruct * OfxParamHandle

Blind declaration of an OFX param.

typedef OfxParamSetStruct * OfxParamSetHandle

Blind declaration of an OFX parameter set.

typedef OfxStatus( OfxCustomParamInterpFuncV1 )(OfxParamSetHandle instance, OfxPropertySetHandle inArgs, OfxPropertySetHandle outArgs)

Function prototype for custom parameter interpolation callback functions.

typedef OfxParameterSuiteV1 OfxParameterSuiteV1

The OFX suite used to define and manipulate user visible parameters.

Define Documentation

#define kOfxParameterSuite "OfxParameterSuite"

string value to the kOfxPropType property for all parameters

#define kOfxTypeParameter "OfxTypeParameter"

string value on the kOfxPropType property for all parameter definitions (ie: the handle returned in describe)

#define kOfxTypeParameterInstance "OfxTypeParameterInstance"

string value on the kOfxPropType property for all parameter instances

Typedef Documentation

typedef OfxStatus( OfxCustomParamInterpFuncV1)(OfxParamSetHandle instance, OfxPropertySetHandle inArgs, OfxPropertySetHandle outArgs)

Function prototype for custom parameter interpolation callback functions.

instance the plugin instance that this parameter occurs in

inArgs handle holding the following properties...

kOfxPropName - the name of the custom parameter to interpolate
kOfxPropTime - absolute time the interpolation is ocurring at
kOfxParamPropCustomValue - string property that gives the value of the two keyframes to interpolate, in this case 2D
kOfxParamPropInterpolationTime - 2D double property that gives the time of the two keyframes we are interpolating
kOfxParamPropInterpolationAmount - 1D double property indicating how much to interpolate between the two keyframes

outArgs handle holding the following properties to be set

kOfxParamPropCustomValue - the value of the interpolated custom parameter, in this case 1D

This function allows custom parameters to animate by performing interpolation between keys.
The plugin needs to parse the two strings encoding keyframes on either side of the time we need a value for. It should then interpolate a new value for it, encode it into a string and set the kOfxParamPropCustomValue property with this on the outArgs handle.
The interp value is a linear interpolation amount, however his may be derived from a cubic (or other) curve.

typedef struct OfxParameterSuiteV1 OfxParameterSuiteV1

The OFX suite used to define and manipulate user visible parameters.

typedef struct OfxParamStruct* OfxParamHandle

Blind declaration of an OFX param.

typedef struct OfxParamSetStruct* OfxParamSetHandle

Blind declaration of an OFX parameter set.

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Classes
struct	OfxParameterSuiteV1
	The OFX suite used to define and manipulate user visible parameters. More...
Defines
#define	kOfxParameterSuite "OfxParameterSuite"
	string value to the kOfxPropType property for all parameters
#define	kOfxTypeParameter "OfxTypeParameter"
	string value on the kOfxPropType property for all parameter definitions (ie: the handle returned in describe)
#define	kOfxTypeParameterInstance "OfxTypeParameterInstance"
	string value on the kOfxPropType property for all parameter instances
#define	kOfxParamTypeInteger "OfxParamTypeInteger"
	String to identify a param as a single valued integer.
#define	kOfxParamTypeDouble "OfxParamTypeDouble"
	String to identify a param as a Single valued floating point parameter.
#define	kOfxParamTypeBoolean "OfxParamTypeBoolean"
	String to identify a param as a Single valued boolean parameter.
#define	kOfxParamTypeChoice "OfxParamTypeChoice"
	String to identify a param as a Single valued, 'one-of-many' parameter.
#define	kOfxParamTypeRGBA "OfxParamTypeRGBA"
	String to identify a param as a Red, Green, Blue and Alpha colour parameter.
#define	kOfxParamTypeRGB "OfxParamTypeRGB"
	String to identify a param as a Red, Green and Blue colour parameter.
#define	kOfxParamTypeDouble2D "OfxParamTypeDouble2D"
	String to identify a param as a Two dimensional floating point parameter.
#define	kOfxParamTypeInteger2D "OfxParamTypeInteger2D"
	String to identify a param as a Two dimensional integer point parameter.
#define	kOfxParamTypeDouble3D "OfxParamTypeDouble3D"
	String to identify a param as a Three dimensional floating point parameter.
#define	kOfxParamTypeInteger3D "OfxParamTypeInteger3D"
	String to identify a param as a Three dimensional integer parameter.
#define	kOfxParamTypeString "OfxParamTypeString"
	String to identify a param as a String (UTF8) parameter.
#define	kOfxParamTypeCustom "OfxParamTypeCustom"
	String to identify a param as a Plug-in defined parameter.
#define	kOfxParamTypeGroup "OfxParamTypeGroup"
	String to identify a param as a Grouping parameter.
#define	kOfxParamTypePage "OfxParamTypePage"
	String to identify a param as a page parameter.
#define	kOfxParamTypePushButton "OfxParamTypePushButton"
	String to identify a param as a PushButton parameter.
#define	kOfxParamHostPropSupportsCustomAnimation "OfxParamHostPropSupportsCustomAnimation"
	Indicates if the host supports animation of custom parameters.
#define	kOfxParamHostPropSupportsStringAnimation "OfxParamHostPropSupportsStringAnimation"
	Indicates if the host supports animation of string params.
#define	kOfxParamHostPropSupportsBooleanAnimation "OfxParamHostPropSupportsBooleanAnimation"
	Indicates if the host supports animation of boolean params.
#define	kOfxParamHostPropSupportsChoiceAnimation "OfxParamHostPropSupportsChoiceAnimation"
	Indicates if the host supports animation of choice params.
#define	kOfxParamHostPropSupportsCustomInteract "OfxParamHostPropSupportsCustomInteract"
	Indicates if the host supports custom interacts for parameters.
#define	kOfxParamHostPropMaxParameters "OfxParamHostPropMaxParameters"
	Indicates the maximum numbers of parameters available on the host.
#define	kOfxParamHostPropMaxPages "OfxParamHostPropMaxPages"
	Indicates the maximum number of parameter pages.
#define	kOfxParamHostPropPageRowColumnCount "OfxParamHostPropPageRowColumnCount"
	This indicates the number of parameter rows and coloumns on a page.
#define	kOfxParamPageSkipRow "OfxParamPageSkipRow"
	Pseudo parameter name used to skip a row in a page layout.
#define	kOfxParamPageSkipColumn "OfxParamPageSkipColumn"
	Pseudo parameter name used to skip a row in a page layout.
#define	kOfxParamPropInteractV1 "OfxParamPropInteractV1"
	Overrides the parameter's standard user interface with the given interact.
#define	kOfxParamPropInteractSize "OfxParamPropInteractSize"
	The size of a parameter instance's custom interface in screen pixels.
#define	kOfxParamPropInteractSizeAspect "OfxParamPropInteractSizeAspect"
	The preferred aspect ratio of a parameter's custom interface.
#define	kOfxParamPropInteractMinimumSize "OfxParamPropInteractMinimumSize"
	The minimum size of a parameter's custom interface, in screen pixels.
#define	kOfxParamPropInteractPreferedSize "OfxParamPropInteractPreferedSize"
	The preferred size of a parameter's custom interface.
#define	kOfxParamPropType "OfxParamPropType"
	The type of a parameter.
#define	kOfxParamPropAnimates "OfxParamPropAnimates"
	Flags whether a parameter can animate.
#define	kOfxParamPropCanUndo "OfxParamPropCanUndo"
	Flags whether changes to a parameter should be put on the undo/redo stack.
#define	kOfxParamPropIsAnimating "OfxParamPropIsAnimating"
	Flags whether a parameter is currently animating.
#define	kOfxParamPropPluginMayWrite "OfxParamPropPluginMayWrite"
	Flags whether the plugin will attempt to set the value of a parameter in some callback or analysis pass.
#define	kOfxParamPropPersistant "OfxParamPropPersistant"
	Flags whether the value of a parameter should persist.
#define	kOfxParamPropEvaluateOnChange "OfxParamPropEvaluateOnChange"
	Flags whether changing a parameter's value forces an evalution (ie: render),.
#define	kOfxParamPropSecret "OfxParamPropSecret"
	Flags whether a parameter should be exposed to a user,.
#define	kOfxParamPropScriptName "OfxParamPropScriptName"
	The value to be used as the id of the parameter in a host scripting language.
#define	kOfxParamPropCacheInvalidation "OfxParamPropCacheInvalidation"
	Specifies how modifying the value of a param will affect any output of an effect over time.
#define	kOfxParamInvalidateValueChange "OfxParamInvalidateValueChange"
	Used as a value for the kOfxParamPropCacheInvalidation property.
#define	kOfxParamInvalidateValueChangeToEnd "OfxParamInvalidateValueChangeToEnd"
	Used as a value for the kOfxParamPropCacheInvalidation property.
#define	kOfxParamInvalidateAll "OfxParamInvalidateAll"
	Used as a value for the kOfxParamPropCacheInvalidation property.
#define	kOfxParamPropHint "OfxParamPropHint"
	A hint to the user as to how the parameter is to be used.
#define	kOfxParamPropDefault "OfxParamPropDefault"
	The default value of a parameter.
#define	kOfxParamPropDoubleType "OfxParamPropDoubleType"
	Describes how the double parameter should be interpreted by a host.
#define	kOfxParamDoubleTypePlain "OfxParamDoubleTypePlain"
	value for the kOfxParamPropDoubleType property, indicating the parameter has no special interpretation and should be interpretted as a raw numeric value.
#define	kOfxParamDoubleTypeScale "OfxParamDoubleTypeScale"
	value for the kOfxParamPropDoubleType property, indicating the parameter is to be interpreted as a scale factor. See ParameterPropertiesDoubleTypes.
#define	kOfxParamDoubleTypeAngle "OfxParamDoubleTypeAngle"
	value for the kOfxParamDoubleTypeAngle property, indicating the parameter is to be interpreted as an angle. See ParameterPropertiesDoubleTypes.
#define	kOfxParamDoubleTypeTime "OfxParamDoubleTypeTime"
	value for the kOfxParamDoubleTypeAngle property, indicating the parameter is to be interpreted as a time. See ParameterPropertiesDoubleTypes.
#define	kOfxParamDoubleTypeAbsoluteTime "OfxParamDoubleTypeAbsoluteTime"
	value for the kOfxParamDoubleTypeAngle property, indicating the parameter is to be interpreted as an absolute time from the start of the effect. See ParameterPropertiesDoubleTypes.
#define	kOfxParamDoubleTypeNormalisedX "OfxParamDoubleTypeNormalisedX"
	value for the kOfxParamPropDoubleType property, indicating a size normalised to the X dimension. See ParameterPropertiesDoubleTypes.
#define	kOfxParamDoubleTypeNormalisedY "OfxParamDoubleTypeNormalisedY"
	value for the kOfxParamPropDoubleType property, indicating a size normalised to the Y dimension. See ParameterPropertiesDoubleTypes.
#define	kOfxParamDoubleTypeNormalisedXAbsolute "OfxParamDoubleTypeNormalisedXAbsolute"
	value for the kOfxParamPropDoubleType property, indicating an absolute position normalised to the X dimension. See ParameterPropertiesDoubleTypes.
#define	kOfxParamDoubleTypeNormalisedYAbsolute "OfxParamDoubleTypeNormalisedYAbsolute"
	value for the kOfxParamPropDoubleType property, indicating an absolute position normalised to the Y dimension. See ParameterPropertiesDoubleTypes.
#define	kOfxParamDoubleTypeNormalisedXY "OfxParamDoubleTypeNormalisedXY"
	value for the kOfxParamPropDoubleType property, indicating normalisation to the X and Y dimension for 2D params. See ParameterPropertiesDoubleTypes.
#define	kOfxParamDoubleTypeNormalisedXYAbsolute "OfxParamDoubleTypeNormalisedXYAbsolute"
	value for the kOfxParamPropDoubleType property, indicating normalisation to the X and Y dimension for a 2D param that can be interpretted as an absolute spatial position. See ParameterPropertiesDoubleTypes.
#define	kOfxParamPropShowTimeMarker "OfxParamPropShowTimeMarker"
	Enables the display of a time marker on the host's time line to indicate the value of the absolute time param.
#define	kOfxPluginPropParamPageOrder "OfxPluginPropParamPageOrder"
	Sets the parameter pages and order of pages.
#define	kOfxParamPropPageChild "OfxParamPropPageChild"
	The names of the parameters included in a page parameter.
#define	kOfxParamPropParent "OfxParamPropParent"
	The name of a parameter's parent group.
#define	kOfxParamPropEnabled "OfxParamPropEnabled"
	Used to enable a parameter in the user interface.
#define	kOfxParamPropDataPtr "OfxParamPropDataPtr"
	A private data pointer that the plug-in can store it's own data behind.
#define	kOfxParamPropChoiceOption "OfxParamPropChoiceOption"
	Set an option in a choice parameter.
#define	kOfxParamPropMin "OfxParamPropMin"
	The minimum value for a numeric parameter.
#define	kOfxParamPropMax "OfxParamPropMax"
	The maximum value for a numeric parameter.
#define	kOfxParamPropDisplayMin "OfxParamPropDisplayMin"
	The minimum value for a numeric parameter on any user interface.
#define	kOfxParamPropDisplayMax "OfxParamPropDisplayMax"
	The maximum value for a numeric parameter on any user interface.
#define	kOfxParamPropIncrement "OfxParamPropIncrement"
	The granularity of a slider used to represent a numeric parameter.
#define	kOfxParamPropDigits "OfxParamPropDigits"
	How many digits after a decimal point to display for a double param in a GUI.
#define	kOfxParamPropDimensionLabel "OfxParamPropDimensionLabel"
	Label for individual dimensions on a multidimensional numeric parameter.
#define	kOfxParamPropIsAutoKeying "OfxParamPropIsAutoKeying"
	Will a value change on the parameter add automatic keyframes.
#define	kOfxParamPropCustomInterpCallbackV1 "OfxParamPropCustomCallbackV1"
	A pointer to a custom parameter's interpolation function.
#define	kOfxParamPropStringMode "OfxParamPropStringMode"
	Used to indicate the type of a string parameter.
#define	kOfxParamPropStringFilePathExists "OfxParamPropStringFilePathExists"
	Indicates string parameters of file or directory type need that file to exist already.
#define	kOfxParamStringIsSingleLine "OfxParamStringIsSingleLine"
	Used to set a string parameter to be single line, value to be passed to a kOfxParamPropStringMode property.
#define	kOfxParamStringIsMultiLine "OfxParamStringIsMultiLine"
	Used to set a string parameter to be multiple line, value to be passed to a kOfxParamPropStringMode property.
#define	kOfxParamStringIsFilePath "OfxParamStringIsFilePath"
	Used to set a string parameter to be a file path, value to be passed to a kOfxParamPropStringMode property.
#define	kOfxParamStringIsDirectoryPath "OfxParamStringIsDirectoryPath"
	Used to set a string parameter to be a directory path, value to be passed to a kOfxParamPropStringMode property.
#define	kOfxParamStringIsLabel "OfxParamStringIsLabel"
	Use to set a string parameter to be a simple label, value to be passed to a kOfxParamPropStringMode property.
#define	kOfxParamPropCustomValue "OfxParamPropCustomValue"
	Used by interpolating custom parameters to get and set interpolated values. Type - C string X 1 or 2.
#define	kOfxParamPropInterpolationTime "OfxParamPropInterpolationTime"
	Used by interpolating custom parameters to indicate the time a key occurs at.
#define	kOfxParamPropInterpolationAmount "OfxParamPropInterpolationAmount"
	Property used by OfxCustomParamInterpFuncV1 to indicate the amount of interpolation to perform.
Typedefs
typedef OfxParamStruct *	OfxParamHandle
	Blind declaration of an OFX param.
typedef OfxParamSetStruct *	OfxParamSetHandle
	Blind declaration of an OFX parameter set.
typedef OfxStatus(	OfxCustomParamInterpFuncV1 )(OfxParamSetHandle instance, OfxPropertySetHandle inArgs, OfxPropertySetHandle outArgs)
	Function prototype for custom parameter interpolation callback functions.
typedef OfxParameterSuiteV1	OfxParameterSuiteV1
	The OFX suite used to define and manipulate user visible parameters.