Engine.Canvas

//=============================================================================
// Canvas: A drawing canvas.
// This is a built-in Unreal class and it shouldn't be modified.
//
// Notes.
//   To determine size of a drawable object, set Style to STY_None,
//   remember CurX, draw the thing, then inspect CurX and CurYL.
//=============================================================================
class Canvas extends Object
	native
	noexport;

// Modifiable properties.
var font    Font;            // Font for DrawText.
var float   SpaceX, SpaceY;  // Spacing for after Draw*.
var float   OrgX, OrgY;      // Origin for drawing.
var float   ClipX, ClipY;    // Bottom right clipping region.
var float   CurX, CurY;      // Current position for drawing.
var float   Z;               // Z location. 1=no screenflash, 2=yes screenflash.
var byte    Style;           // Drawing style STY_None means don't draw.
var float   CurYL;           // Largest Y size since DrawText.
var color   DrawColor;       // Color for drawing.
var bool    bCenter;         // Whether to center the text.
var bool    bNoSmooth;       // Don't bilinear filter.
var const int SizeX, SizeY;  // Zero-based actual dimensions.

// Stock fonts.
var font SmallFont;          // Small system font.
var font MedFont;            // Medium system font.
var font DebugFont;			 //NEW Console debugging font.

// Internal.
var const viewport Viewport; // Viewport that owns the canvas.

// native functions.
native(464) final function StrLen( coerce string String, out float XL, out float YL );
native(465) final function DrawText( coerce string Text, optional bool CR );
native(466) final function DrawTile( texture Tex, float XL, float YL, float U, float V, float UL, float VL );
native(467) final function DrawActor( Actor A, bool WireFrame, optional bool ClearZ, optional float DisplayFOV );
native(468) final function DrawTileClipped( texture Tex, float XL, float YL, float U, float V, float UL, float VL );
native(469) final function DrawTextClipped( coerce string Text, optional bool bCheckHotKey );
native(470) final function TextSize( coerce string String, out float XL, out float YL );
native(480) final function DrawPortal( int X, int Y, int Width, int Height, actor CamActor, vector CamLocation, rotator CamRotation, optional int FOV, optional bool ClearZ );

//NEW
native      final function GetDrawBounds( out int X, out int Y, out int Width, out int Height );
native      final function SetDrawBounds(     int X,     int Y,     int Width,     int Height );
native      final function DrawRectangle(     int X,     int Y,     int Width,     int Height, optional color C );

native		final function vector Project( vector V );
native		final function vector DeProject( vector V );
//OLD

// UnrealScript functions.
event Reset()
{
	Font        = Default.Font;
	SpaceX      = Default.SpaceX;
	SpaceY      = Default.SpaceY;
	OrgX        = Default.OrgX;
	OrgY        = Default.OrgY;
	CurX        = Default.CurX;
	CurY        = Default.CurY;
	Style       = Default.Style;
	DrawColor   = Default.DrawColor;
	CurYL       = Default.CurYL;
	bCenter     = false;
	bNoSmooth   = false;
	Z           = 1.0;
}
final function SetPos( float X, float Y )
{
	CurX = X;
	CurY = Y;
}
final function SetOrigin( float X, float Y )
{
	OrgX = X;
	OrgY = Y;
}
final function SetClip( float X, float Y )
{
	ClipX = X;
	ClipY = Y;
}
final function DrawPattern( texture Tex, float XL, float YL, float Scale )
{
	DrawTile( Tex, XL, YL, (CurX-OrgX)*Scale, (CurY-OrgY)*Scale, XL*Scale, YL*Scale );
}
final function DrawIcon( texture Tex, float Scale )
{
	if ( Tex != None )
		DrawTile( Tex, Tex.USize*Scale, Tex.VSize*Scale, 0, 0, Tex.USize, Tex.VSize );
}
final function DrawRect( texture Tex, float RectX, float RectY )
{
	DrawTile( Tex, RectX, RectY, 0, 0, Tex.USize, Tex.VSize );
}

//NEW: Fix
function SetFont( Font NewFont, optional bool bForce )
{
	Font = NewFont;
}
//OLD

final function SetDrawColor(byte R, byte G, byte B, optional byte A)
{
	local Color C;
	
	C.R = R;
	C.G = G;
	C.B = B;
	if ( A == 0 )
		A = 255;
	C.A = A;
	DrawColor = C;
}

static final function Color MakeColor(byte R, byte G, byte B, optional byte A)
{
	local Color C;
	
	C.R = R;
	C.G = G;
	C.B = B;
	if ( A == 0 )
		A = 255;
	C.A = A;
	return C;
}

defaultproperties
{
	Z=1.000000
	Style=1
	DrawColor=(B=127,G=127,R=127,A=255)
	SmallFont=Font'Engine.SmallFont'
	MedFont=Font'Engine.MediumFont'
	DebugFont=Font'Engine.DebugFont'
}