RAD Studio VCL Reference
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The following tables list the members exposed by TJPEGImage.
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Name |
Description |
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Increments the reference count for the interfaced object's interface. | |
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Decrements the reference count for the interfaced object's interface. | |
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Copies the properties of an object to a destination object. | |
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This is Changed, a member of class TJPEGImage. | |
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Provides an interface for a method that reads and writes otherwise unpublished data. | |
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Provides an interface for a method that reads and writes otherwise unpublished data. | |
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This is Draw, a member of class TJPEGImage. | |
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This is Equals, a member of class TJPEGImage. | |
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This is FreeBitmap, a member of class TJPEGImage. | |
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This is GetEmpty, a member of class TJPEGImage. | |
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This is GetHeight, a member of class TJPEGImage. | |
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Returns the owner of an object. | |
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This is GetPalette, a member of class TJPEGImage. | |
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This is GetTransparent, a member of class TGraphic. | |
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This is GetWidth, a member of class TJPEGImage. | |
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This is NewBitmap, a member of class TJPEGImage. | |
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This is NewImage, a member of class TJPEGImage. | |
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This is Progress, a member of class TGraphic. | |
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This is ReadData, a member of class TJPEGImage. | |
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This is ReadStream, a member of class TJPEGImage. | |
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This is SetHeight, a member of class TJPEGImage. | |
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This is SetPalette, a member of class TJPEGImage. | |
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This is SetTransparent, a member of class TGraphic. | |
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This is SetWidth, a member of class TJPEGImage. | |
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This is WriteData, a member of class TJPEGImage. |
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Name |
Description |
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This is Bitmap, a member of class TJPEGImage. |
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Name |
Description |
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Occurs whenever a graphical image changes. | |
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Occurs when a graphical image is in the process of changing. |
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Name |
Description |
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Increments the reference count for this interface. | |
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Decrements the reference count for this interface. | |
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Obtains a reference to the Owner's interface. | |
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Responds after the last constructor has executed. | |
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Copies the jpeg image object and creates a new reference to the internal data source object. | |
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Responds before the first destructor executes. | |
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Returns a pointer to the runtime type information (RTTI) table for the object type. | |
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Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument). | |
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Determines whether an object is of a specific type. | |
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Returns the type of the immediate ancestor of a class. | |
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Returns the class reference for the object's class. | |
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Performs finalization on long strings, variants, and interface variables within a class. | |
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Forces the action of compression. | |
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Instantiates a JPEG image object. | |
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Provides the interface for a method that processes message records. | |
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Destroys of an instance of a jpeg image object. | |
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Decompress the jpeg image into a bitmap. | |
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Calls message-handling methods for the object, based on the contents of the Message parameter. | |
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Returns the address of a published object field. | |
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Destroys an object and frees its associated memory, if necessary. | |
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Deallocates memory allocated by a previous call to the System::TObject::NewInstance method. | |
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Retrieves a specified interface. | |
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Returns the entry for a specific interface implemented in a class. | |
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Returns a pointer to a structure containing all of the interfaces implemented by a given class. | |
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Returns the name of the object as it appears in the Object Inspector. | |
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Determines the relationship of two object types. | |
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Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer. | |
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Returns the size in bytes of each instance of the object type. | |
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Loads a graphic image stored in a file. | |
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Loads the jpeg image from a stream. | |
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This is MethodAddress, a member of class TObject. | |
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This is MethodName, a member of class TObject. | |
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Allocates memory for an instance of an object type and returns a pointer to that new instance. | |
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Returns a reference to a specified interface if the object supports that interface. | |
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Returns a reference to a specified interface if the object supports that interface. | |
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Handles exceptions in methods declared using the safecall calling convention. | |
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Writes a jpeg image to a variable in Clipboard format. | |
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Saves a graphics image to a file. | |
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Writes the jpeg data to a stream. | |
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Specifies the size of the graphic. |
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Name |
Description |
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Indicates the trade-off ratio between the image quality and the file size. | |
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Indicates whether the graphics object contains a graphic. | |
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Determines whether the image output of a JPEG image is black and white, or color. | |
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Specifies the vertical size of the graphic in pixels. | |
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Indicates whether the graphics object has been changed or edited. | |
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Indicates the color palette of the graphical image. | |
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Indicates whether the palette has changed. | |
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Controls the trade-off between color quality and speed of decompression. | |
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Determines whether the JPEG image is displayed in 24 or 8-bit format. | |
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Controls how the image is displayed when decompressing files. | |
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Determines whether an image can be progressively displayed when it is decompressed. | |
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Determines the size of the JPEG image when it is displayed. | |
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Determines whether the jpeg image displays in blocks or with blurred edges. | |
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Indicates whether the image covers its rectangular area. | |
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Determines the maximum width of the graphics object in pixels. |
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