Class TCompressedBitmap

DescriptionHierarchyFieldsMethodsProperties

Unit

CompressedImageUnit

Declaration

type TCompressedBitmap = class(TBitmap)

Description

TCompressedBitmap reads and writes bitmaps to and from streams using a TCompressionStream and a TDecompressionStream.

Hierarchy

Overview

Methods

Protected procedure ReadData(Stream: TStream); override;
Protected procedure WriteData(Stream: TStream); override;
Public procedure LoadFromCompressedStream(Stream: TStream);
Public procedure SaveToCompressedStream(Stream: TStream);

Description

Methods

Protected procedure ReadData(Stream: TStream); override;

ReadData overrides inherited ReadData to read data from a compressed stream using LoadFromCompressedStream.

Protected procedure WriteData(Stream: TStream); override;

WriteData overrides inherited WriteData to write data to a compressed stream using SaveToCompressedStream.

Public procedure LoadFromCompressedStream(Stream: TStream);

LoadFromCompressedStream uses a TDecompressionStream internally to read a compressed bitmap from Stream.

Public procedure SaveToCompressedStream(Stream: TStream);

SaveToCompressedStream uses a TCompressionStream internally to save a bitmap in compressed form to Stream.

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