CAST II Game Engine

Units

Class Hierarchy

Classes, Interfaces and Objects

Functions and Procedures

Identifiers

Unit BaseGraph

Description

Base Graphics Unit

(C) 2006 George "Mirage" Bakhtadze. www.casteng.com
The source code may be used under either MPL 1.1 or LGPL 2.1 license. See included license.txt file
Unit contains abstract classes for drawing 2D graphics

Classes, Interfaces and Objects

Name	Description
Class `TBaseBitmapFont`
Class `TBitmap`
Class `TFont`
Class `TGraphMessage`
Class `TScreen`
Class `TTrueTypeFont`

Functions and Procedures

Overview

function ClipLine(var X1, Y1: Single; var X2, Y2: Single; VPLeft, VPTop, VPRight, VPBottom: Single): Boolean;

function ClipLineColorTex(var X1, Y1, U1, V1: Single; var Color1: BaseTypes.TColor; var X2, Y2, U2, V2: Single; var Color2: BaseTypes.TColor; VPLeft, VPTop, VPRight, VPBottom: Single): Boolean;

function GetUnitClassList: TClassArray;

Description

function ClipLine(var X1, Y1: Single; var X2, Y2: Single; VPLeft, VPTop, VPRight, VPBottom: Single): Boolean;

Clips the given line with Cohen-Sutherland algorithm and returns True if at least some part of the line is visible

function ClipLineColorTex(var X1, Y1, U1, V1: Single; var Color1:

BaseTypes.TColor; var X2, Y2, U2, V2: Single; var Color2: BaseTypes.TColor; VPLeft, VPTop, VPRight, VPBottom: Single): Boolean;

Clips the given colored and textured line with Cohen-Sutherland algorithm and returns True if at least some part of the line is visible

function GetUnitClassList: TClassArray;

Returns list of classes introduced by the unit

Types

Overview

T2DTransform = Base3D.TMatrix4s;

TFontStyle = set of TFontStyleFlags;

TViewport = record Left, Top, Right, Bottom: Single; end;

Description

T2DTransform = Base3D.TMatrix4s;

2D transformations class

TFontStyle = set of TFontStyleFlags;

Font style

TViewport = record Left, Top, Right, Bottom: Single; end;

Rectangular viewport

Enumerations

`TFontStyleFlags`
Font style flags
	`fsBold`
	`fsItalic`
	`fsUnderline`
	`fsStrikeOut`

Constants

Overview

ClearingZ = 1.0;

Description

ClearingZ = 1.0;

Initial Z value for 2D primitives

Variables

Overview

Screen: TScreen;

Description

Screen: TScreen;

Screen reference which should be used for 2D output