api:dk11:net:tatukgis.ndk.tgis_bitmapabstract
Table of Contents
TGIS_BitmapAbstract class
DK for .NET | TatukGIS.NDK.TGIS_BitmapAbstract | Classes | Fields | Methods | Properties
Abstract platform-specific bitmap backend for loading, exporting, direct pixel access, and internal shape rendering.
Syntax
// C# public class TGIS_BitmapAbstract : TGIS_ObjectDisposable { }
' VisualBasic Public Class TGIS_BitmapAbstract Inherits TGIS_ObjectDisposable End Class
// Oxygene type TGIS_BitmapAbstract = public class( TGIS_ObjectDisposable ) end;
Inheritance
→ TGIS_ObjectDisposable
Fields
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Master | public | Owning TGIS_Bitmap wrapper associated with this platform bitmap. | |
Methods
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| ApplyOpacity | public | Apply opacity to the bitmap. | |
| Clear | public | Clear the bitmap with the specified color. | |
| CreateViewer | public | Create a viewer interface for displaying this bitmap. | |
| DrawGlyph | public | ||
| DrawShape(Object, bool, double, TPoint) | public | Draw a shape on the bitmap for internal TGIS_Shape.PrepareContourInternal processing. | |
| DrawShape(Object, int, bool, double, TPoint) | public | Draw a shape on the bitmap for internal TGIS_Shape.PrepareContourInternal processing. | |
| DrawShape(Object, int, bool, TGIS_Color, TGIS_Color, double, TPoint) | public | Draw a shape on the bitmap for internal TGIS_Shape.PrepareContourInternal processing. | |
| DrawSymbol(string) | public | Draw a symbol in the bitmap using the default platform PPI. | |
| DrawSymbol(string, int) | public | Draw a symbol in the bitmap. | |
| DrawSymbol(string, int, double) | public | Draw a symbol in the bitmap. | |
| DrawSymbol(string, int, TGIS_Color, TGIS_Color) | public | Draw a symbol in the bitmap using the specified colors. | |
| DrawSymbol(string, int, TGIS_Color, TGIS_Color, double) | public | Draw a symbol in the bitmap using the specified colors and scale. | |
| FromBitmap | public | Create a bitmap backend from a platform-specific native bitmap object. | |
| FromFile | public | Create a bitmap backend by loading image data from a file. | |
| FromStream | public | Create a bitmap backend by loading image data from a stream. | |
| GetData | public | Return the platform-specific native bitmap object. | |
| LockPixels | public | Prepare the bitmap for direct pixel access. | |
| MakeTransparent | public | Make the bitmap fully transparent. | |
| ToFile(string) | public | Save the bitmap to a file using the native platform format. | |
| ToFile(string, TGIS_PixelFormat, TGIS_PixelSubFormat, int) | public | Save the bitmap to a file using the specified pixel format and subformat. | |
| ToStream(Object) | public | Save the bitmap to a stream using the native platform format. | |
| ToStream(Object, TGIS_PixelFormat, TGIS_PixelSubFormat, int) | public | Save the bitmap to a stream using the specified pixel format and subformat. | |
| UnlockPixels | public | Finalize direct pixel access. | |
Properties
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Data | public | Platform-specific native bitmap object associated with this bitmap wrapper. | |
| Height | public | Bitmap height in pixels. | |
| PPI | public | Bitmap resolution in pixels per inch. | |
| Premultiplied | public | True if the bitmap should be treated as premultiplied alpha. | |
| Width | public | Bitmap width in pixels. | |
2026/09/20 23:51