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TPNGImage Documentation
TPNGImage 1.43 help
TPNGImage
Table of contents
Introduction
Objects
TPNGObject
Properties
AlphaScanline
Chunks
CompressionLevel
Empty
Filters
Header
Height
InterlaceMethod
MaxIdatSize
TransparentColor
TransparencyMode
Scanline
Width
Pixels[]
Methods
AddtEXt
Assign
AssignHandle
CreateAlpha
Draw
LoadError
LoadFromFile
LoadFromResourceID
LoadFromResourceName
LoadFromStream
RemoveTransparency
SaveToFile
SaveToStream
TPNGList
Properties
Count
Item
ItemFromClass
Methods
Add
TChunk
Properties
Data
DataSize
Header
Index
Name
Owner
Methods
Assign
Create
LoadFromStream
ResizeData
SaveToStream
TChunkIEND
TChunkIHDR
Properties
BitDepth
ColorType
CompressionMethod
FilterMethod
Height
InterlaceMethod
Width
TChunkgAMA
Properties
Gamma
TChunkPLTE
Properties
Item
Count
TChunktRNS
Properties
TransparentColor
PaletteValues
TChunkIDAT
TChunktIME
Properties
Day
Hour
Minute
Month
Second
Year
TChunktEXt
Properties
Keyword
Text
Unit methods
ByteSwap
RegisterChunk
Update_Crc
Articles
A guide to png transparency
Introduction
COLOR_RGBALPHA and COLOR_GRAYSCALEALPHA
COLOR_PALETTE
Convert to partial transparent
About chunks
Png interlacing
About the unit triggers
Disabling use of heavy VCL units
Translating the library
Network order
CRC - Cylindric Rundancy Check
Errors handling
About filters
Bit and Partial transparency
Direct access to pixels (scanline)
Examples
Convert tbitmap to tpngobject
Reading textual chunks
New TChunk descendent
Drawing png over other formats
Component features
Installing the component
License
Author and website
next page
Menu
Homepage
Table of contents
Introduction
Objects
TPNGObject
Properties
AlphaScanline
Chunks
CompressionLevel
Empty
Filters
Header
Height
InterlaceMethod
MaxIdatSize
TransparentColor
TransparencyMode
Scanline
Width
Pixels[]
Methods
AddtEXt
Assign
AssignHandle
CreateAlpha
Draw
LoadError
LoadFromFile
LoadFromResourceID
LoadFromResourceName
LoadFromStream
RemoveTransparency
SaveToFile
SaveToStream
TPNGList
Properties
Count
Item
ItemFromClass
Methods
Add
TChunk
Properties
Data
DataSize
Header
Index
Name
Owner
Methods
Assign
Create
LoadFromStream
ResizeData
SaveToStream
TChunkIEND
TChunkIHDR
Properties
BitDepth
ColorType
CompressionMethod
FilterMethod
Height
InterlaceMethod
Width
TChunkgAMA
Properties
Gamma
TChunkPLTE
Properties
Item
Count
TChunktRNS
Properties
TransparentColor
PaletteValues
TChunkIDAT
TChunktIME
Properties
Day
Hour
Minute
Month
Second
Year
TChunktEXt
Properties
Keyword
Text
Unit methods
ByteSwap
RegisterChunk
Update_Crc
Articles
A guide to png transparency
Introduction
COLOR_RGBALPHA and COLOR_GRAYSCALEALPHA
COLOR_PALETTE
Convert to partial transparent
About chunks
Png interlacing
About the unit triggers
Disabling use of heavy VCL units
Translating the library
Network order
CRC - Cylindric Rundancy Check
Errors handling
About filters
Bit and Partial transparency
Direct access to pixels (scanline)
Examples
Convert tbitmap to tpngobject
Reading textual chunks
New TChunk descendent
Drawing png over other formats
Component features
Installing the component
License
Author and website
Get in touch
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