TGIS_Bitmap class

Platform independent Bitmap (same object for all platforms).

Available also on: Delphi | .NET | Java | ActiveX.

Syntax

# Python
class TGIS_Bitmap( Object ):

Inheritance

→ Object

Constructors

Inherited Overrides Protected

Name	Visibility	Description
__init__()	public	Create an instance.
__init__(int, int)	public	Create an instance with a given size.
__init__(int, int, bool)	public	Create an instance with a given size.
__init__(int, int, TGIS_BitmapFactory)	public	Create an instance with a given size with a given bitmap factory.
__init__(TGIS_Bitmap)	public	Create an instance from exiting bitmap.

Methods

Inherited Overrides Protected

Name	Visibility	Description
AsPng	public	Export png as ready as arry of bytes in PNG format.
Assign	public	Assign bitmap from other instance.
CreateViewer	public	Create a bitmap viewer
DrawBitmap(TGIS_Bitmap, TGIS_Pixels, TRect, TRect)	public	Draw rectangle part of a bitmap on a part of a bitmap
DrawBitmap(TGIS_Bitmap, TRect, TRect)	public	Draw rectangle part of a bitmap on a part of a bitmap
DrawGlyph	public	Draws symbolk optimized to be used by a buttn glyph
DrawShape(TObject, bool, float, TPoint)	public	Draw a shape on a bitmap (for internal TGIS_Shape.PrepareContourInternal purposes).
DrawShape(TObject, int, bool, float, TPoint)	public	Draw a shape on a bitmap (for internal TGIS_Shape.PrepareContourInternal purposes).
DrawShape(TObject, int, bool, TGIS_Color, TGIS_Color, float, TPoint)	public	Draw a shape on a bitmap (for internal TGIS_Shape.PrepareContourInternal purposes).
DrawSymbol(str)	public	Draws symbol
DrawSymbol(str, int)	public	Draws symbol
DrawSymbol(str, int, TGIS_Color, TGIS_Color)	public	Draws symbol
IsNilOrEmpty	public	Test if bitmap is emptyt or nil
LoadFromBitmap	public	Load bitmap from platform specific bitmap object.
LoadFromFile	public	Load bitmap from file.
LoadFromResourceName(IntPtr, str)	public	Load bitmap from resource from specific module.
LoadFromResourceName(str)	public	Load bitmap from DK standard resource.
LoadFromStream	public	Load bitmap from platform stream.
LockPixels(TGIS_Pixels)	public	Return read only raw pixels in native system format and native system line order,
LockPixels(TGIS_Pixels, bool)	public	Return raw pixels in native system format and native system line order.
LockPixels(TGIS_Pixels, bool, TGIS_BitmapFormat, TGIS_BitmapLinesOrder)	public	Return raw pixels
MakeGlowing	public	Add semitransparent "glowing" shadow to the bitmap.
MakeTransparent	public	Make bitmap transparent by replacing all pixels with same color as left-up corner with TGIS_Color.None color (full ARGB transparency)
NativeFormat	public	Native format of bitmaps (ARGB or ABGR) for current platform
NativeLineOrder	public	Native line order of bitmaps (up-down or down-up) for current platform.
SaveToFile	public	Save bitmap to file.
SaveToStream(TObject)	public	Save bitmap to stream.
SaveToStream(TObject, TGIS_PixelFormat, TGIS_PixelSubFormat, int)	public	Save bitmap to stream.
ScaleBitmap	public	Scales bitmap using filtering
UnlockPixels	public	Unlock pixels obtained by Lock() method.

Properties

Inherited Protected

Name	Visibility	Description
BitmapFactory	public	Bitmap factory used to produce the bitmap data.
Height	public	Bitmap height in pixels.
IsEmpty	public	True if bitmap is empty (has no NativeBitmap attached.
NativeBitmap	public	Platform specific bitmap object (like TBitmap for VCL).
Path	public	Path to bitmap (exits always for bitmap created form files).
Premultiplied	public	True if bitmap should be treated as premultipied.
Transparent	public	True if bitmap is transparent.
Width	public	Bitmap width in pixels.

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Table of Contents

TGIS_Bitmap class

Syntax

Inheritance

Constructors

Methods

Properties

References

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Table of Contents

TGIS_Bitmap class

Syntax

Inheritance

Constructors

Methods

Properties

References

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