Getting started

Unit BGRAOpenGL

📄 Source code

Description
Uses
Structures
Functions and Procedures
Types
Constants
Variables

Description

OpenGL rendering (bitmap and various other classes).

Uses

Overview

Structures

Name Description
Class TBGLArray Array in OpenGL
Class TBGLBitmap RGBA bitmap that can be used with OpenGL by converting it into a texture
Object TBGLContext Context for OpenGL surface
Class TBGLElementArray Array of elements indicated by their index
Class TBGLFrameBuffer Frame buffer in OpenGL.

Functions and Procedures

function BGLCanvas: TBGLCustomCanvas;
function BGLFont(AName: string; AEmHeight: integer; AStyle: TFontStyles = []): IBGLRenderedFont; overload;
function BGLFont(AName: string; AEmHeight: integer; AColor: TBGRAPixel; AStyle: TFontStyles = []): IBGLRenderedFont; overload;
function BGLFont(AName: string; AEmHeight: integer; ARenderer: TBGRACustomFontRenderer; ARendererOwned: boolean = true): IBGLRenderedFont; overload;
function BGLFont(AName: string; AEmHeight: integer; AColor: TBGRAPixel; AOutlineColor: TBGRAPixel; AStyle: TFontStyles = []): IBGLRenderedFont; overload;
function BGLSpriteEngine: TBGLCustomSpriteEngine;
function BGLTexture(AStream: TStream): IBGLTexture; overload;
function BGLTexture(AFPImage: TFPCustomImage): IBGLTexture; overload;
function BGLTexture(AWidth, AHeight: integer; Color: TColor): IBGLTexture; overload;
function BGLTexture(ABitmap: TBitmap): IBGLTexture; overload;
function BGLTexture(ARGBAData: PLongWord; AllocatedWidth,AllocatedHeight, ActualWidth,ActualHeight: integer): IBGLTexture; overload;
function BGLTexture(AFilenameUTF8: string; AWidth, AHeight: integer; AResampleFilter: TResampleFilter = rfBox): IBGLTexture; overload;
function BGLTexture(AFilenameUTF8: string): IBGLTexture; overload;
function BGLTexture(AWidth, AHeight: integer; Color: TBGRAPixel): IBGLTexture; overload;
procedure BGLViewPort(AWidth,AHeight: integer); overload;
procedure BGLViewPort(AWidth,AHeight: integer; AColor: TBGRAPixel); overload;

Types

IBGLFont = BGRAOpenGLType.IBGLFont;
IBGLRenderedFont = BGRAFontGL.IBGLRenderedFont;
IBGLTexture = BGRAOpenGLType.IBGLTexture;
TBGLCustomArray = BGRACanvasGL.TBGLCustomArray;
TBGLCustomCanvas = BGRACanvasGL.TBGLCustomCanvas;
TBGLCustomElementArray = BGRACanvasGL.TBGLCustomElementArray;
TBGLPath = BGRACanvasGL.TBGLPath;
TBGLSprite = TBGLDefaultSprite;
TOpenGLBlendMode = BGRAOpenGLType.TOpenGLBlendMode;
TOpenGLPrimitive = BGRAOpenGLType.TOpenGLPrimitive;
TOpenGLResampleFilter = BGRAOpenGLType.TOpenGLResampleFilter;
TTextLayout = BGRAGraphics.TTextLayout;
TWaitForGPUOption = BGRAOpenGLType.TWaitForGPUOption;

Constants

obmAdd = BGRAOpenGLType.obmAdd;
obmMultiply = BGRAOpenGLType.obmMultiply;
obmNormal = BGRAOpenGLType.obmNormal;
opLineLoop = BGRAOpenGLType.opLineLoop;
opLines = BGRAOpenGLType.opLines;
opLineStrip = BGRAOpenGLType.opLineStrip;
opPoints = BGRAOpenGLType.opPoints;
opTriangleFan = BGRAOpenGLType.opTriangleFan;
opTriangles = BGRAOpenGLType.opTriangles;
opTriangleStrip = BGRAOpenGLType.opTriangleStrip;
orfBox = BGRAOpenGLType.orfBox;
orfLinear = BGRAOpenGLType.orfLinear;
tlBottom = BGRAGraphics.tlBottom;
tlCenter = BGRAGraphics.tlCenter;
tlTop = BGRAGraphics.tlTop;
wfgFinishAllCommands = BGRAOpenGLType.wfgFinishAllCommands;
wfgQueueAllCommands = BGRAOpenGLType.wfgQueueAllCommands;

Description

Functions and Procedures

function BGLCanvas: TBGLCustomCanvas;

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function BGLFont(AName: string; AEmHeight: integer; AStyle: TFontStyles = []): IBGLRenderedFont; overload;

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function BGLFont(AName: string; AEmHeight: integer; AColor: TBGRAPixel; AStyle: TFontStyles = []): IBGLRenderedFont; overload;

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function BGLFont(AName: string; AEmHeight: integer; ARenderer: TBGRACustomFontRenderer; ARendererOwned: boolean = true): IBGLRenderedFont; overload;

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function BGLFont(AName: string; AEmHeight: integer; AColor: TBGRAPixel; AOutlineColor: TBGRAPixel; AStyle: TFontStyles = []): IBGLRenderedFont; overload;

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function BGLSpriteEngine: TBGLCustomSpriteEngine;

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function BGLTexture(AStream: TStream): IBGLTexture; overload;

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function BGLTexture(AFPImage: TFPCustomImage): IBGLTexture; overload;

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function BGLTexture(AWidth, AHeight: integer; Color: TColor): IBGLTexture; overload;

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function BGLTexture(ABitmap: TBitmap): IBGLTexture; overload;

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function BGLTexture(ARGBAData: PLongWord; AllocatedWidth,AllocatedHeight, ActualWidth,ActualHeight: integer): IBGLTexture; overload;

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function BGLTexture(AFilenameUTF8: string; AWidth, AHeight: integer; AResampleFilter: TResampleFilter = rfBox): IBGLTexture; overload;

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function BGLTexture(AFilenameUTF8: string): IBGLTexture; overload;

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function BGLTexture(AWidth, AHeight: integer; Color: TBGRAPixel): IBGLTexture; overload;

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procedure BGLViewPort(AWidth,AHeight: integer); overload;

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procedure BGLViewPort(AWidth,AHeight: integer; AColor: TBGRAPixel); overload;

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Types

IBGLFont = BGRAOpenGLType.IBGLFont;

Interface for a font drawn on OpenGL canvas

IBGLRenderedFont = BGRAFontGL.IBGLRenderedFont;

Interface for font rendering with OpenGL

IBGLTexture = BGRAOpenGLType.IBGLTexture;

Interface for a texture in OpenGL (stored in VRAM)

TBGLCustomArray = BGRACanvasGL.TBGLCustomArray;

Abstract array for OpenGL

TBGLCustomCanvas = BGRACanvasGL.TBGLCustomCanvas;

Abstract canvas for OpenGL

TBGLCustomElementArray = BGRACanvasGL.TBGLCustomElementArray;

Abstract array of elements specifed by index for OpenGL

TBGLPath = BGRACanvasGL.TBGLPath;

Path with OpenGL rendering

TBGLSprite = TBGLDefaultSprite;

Default implementation for sprites with OpenGL

TOpenGLBlendMode = BGRAOpenGLType.TOpenGLBlendMode;

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TOpenGLPrimitive = BGRAOpenGLType.TOpenGLPrimitive;

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TOpenGLResampleFilter = BGRAOpenGLType.TOpenGLResampleFilter;

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TTextLayout = BGRAGraphics.TTextLayout;

Text layout (vertical position)

TWaitForGPUOption = BGRAOpenGLType.TWaitForGPUOption;

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Constants

obmAdd = BGRAOpenGLType.obmAdd;

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obmMultiply = BGRAOpenGLType.obmMultiply;

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obmNormal = BGRAOpenGLType.obmNormal;

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opLineLoop = BGRAOpenGLType.opLineLoop;

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opLines = BGRAOpenGLType.opLines;

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opLineStrip = BGRAOpenGLType.opLineStrip;

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opPoints = BGRAOpenGLType.opPoints;

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opTriangleFan = BGRAOpenGLType.opTriangleFan;

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opTriangles = BGRAOpenGLType.opTriangles;

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opTriangleStrip = BGRAOpenGLType.opTriangleStrip;

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orfBox = BGRAOpenGLType.orfBox;

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orfLinear = BGRAOpenGLType.orfLinear;

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tlBottom = BGRAGraphics.tlBottom;

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tlCenter = BGRAGraphics.tlCenter;

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tlTop = BGRAGraphics.tlTop;

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wfgFinishAllCommands = BGRAOpenGLType.wfgFinishAllCommands;

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wfgQueueAllCommands = BGRAOpenGLType.wfgQueueAllCommands;

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