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{* UltraStar Deluxe - Karaoke Game
*
* UltraStar Deluxe is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*}
unit UMenuBackgroundTexture;
interface
{$IFDEF FPC}
{$MODE Delphi}
{$ENDIF}
{$I switches.inc}
uses
UThemes,
UTexture,
UMenuBackground;
//TMenuBackgroundColor - Background Color
//--------
type
TMenuBackgroundTexture = class (TMenuBackground)
private
Tex: TTexture;
Color: TRGB;
public
Constructor Create(const ThemedSettings: TThemeBackground); override;
Procedure Draw; override;
Destructor Destroy; override;
end;
const
SUPPORTED_EXTS_BACKGROUNDTEXTURE: Array[0..13] of String = ('.png', '.bmp', '.jpg', '.jpeg', '.gif', '.pnm', '.ppm', '.pgm', '.pbm', '.xpm', '.lbm', '.pcx', '.tga', '.tiff');
implementation
uses
USkins,
UCommon,
SysUtils,
gl,
glext;
Constructor TMenuBackgroundTexture.Create(const ThemedSettings: TThemeBackground);
var texFilename: String;
begin
inherited;
If (Length(ThemedSettings.Tex) = 0) then
raise EMenuBackgroundError.Create('TMenuBackgroundTexture: No texture filename present');
Color := ThemedSettings.Color;
texFilename := Skin.GetTextureFileName(ThemedSettings.Tex);
texFilename := AdaptFilePaths(texFilename);
Tex := Texture.GetTexture(texFilename, TEXTURE_TYPE_PLAIN);
if (Tex.TexNum = 0) then
begin
freeandnil(Tex);
raise EMenuBackgroundError.Create('TMenuBackgroundTexture: Can''t load texture');
end;
end;
Destructor TMenuBackgroundTexture.Destroy;
begin
//freeandnil(Tex); <- this causes an Access Violation o0
inherited;
end;
Procedure TMenuBackgroundTexture.Draw;
begin
glClear(GL_DEPTH_BUFFER_BIT);
glColorRGB(Color);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBindTexture(GL_TEXTURE_2D, Tex.TexNum);
glBegin(GL_QUADS);
glTexCoord2f(Tex.TexX1*Tex.TexW, Tex.TexY1*Tex.TexH);
glVertex2f(0, 0);
glTexCoord2f(Tex.TexX1*Tex.TexW, Tex.TexY2*Tex.TexH);
glVertex2f(0, 600);
glTexCoord2f(Tex.TexX2*Tex.TexW, Tex.TexY2*Tex.TexH);
glVertex2f(800, 600);
glTexCoord2f(Tex.TexX2*Tex.TexW, Tex.TexY1*Tex.TexH);
glVertex2f(800, 0);
glEnd;
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
end;
end.
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