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Unit BGRAAnimatedGif

📄 Source code

Description
Uses
Structures
Functions and Procedures
Types
Constants
Variables

Description

Classes to read and write animated GIF and animated PNG files.

Uses

Overview

Structures

Name Description
Class TBGRAAnimatedGif Class to read/write animated GIF, supports animated PNG as well when specified
Class TBGRAAnimatedPng Class to read/write animated PNG, supports animated GIF as well when specified.
Class TBGRAReaderGIF Static GIF reader
Class TBGRAWriterGIF Static GIF writer

Types

TDisposeMode = BGRAGifFormat.TDisposeMode;
TGifBackgroundMode = (...);
TGifSubImage = BGRAGifFormat.TGifSubImage;
TGifSubImageArray = BGRAGifFormat.TGifSubImageArray;

Constants

GifBackgroundModeStr: array[TGifBackgroundMode] of string = ('gbmSimplePaint', 'gbmEraseBackground', 'gbmSaveBackgroundOnce', 'gbmUpdateBackgroundContinuously');

Description

Types

TDisposeMode = BGRAGifFormat.TDisposeMode;

What to do when finishing a frame and starting the next one

TGifBackgroundMode = (...);

How to deal with the background under the GIF animation

Values
  • gbmSimplePaint
  • gbmEraseBackground: frames are rendered without clearing the backgroud
  • gbmSaveBackgroundOnce: pixels in the GIF that become transparent are filled with EraseColor
  • gbmUpdateBackgroundContinuously: background is saved once before drawing the first frame
TGifSubImage = BGRAGifFormat.TGifSubImage;

One image in the GIF animation

TGifSubImageArray = BGRAGifFormat.TGifSubImageArray;

This item has no description.

Constants

GifBackgroundModeStr: array[TGifBackgroundMode] of string = ('gbmSimplePaint', 'gbmEraseBackground', 'gbmSaveBackgroundOnce', 'gbmUpdateBackgroundContinuously');

String constants for TGifBackgroundMode