2 Copyright (C) 2003, 2010 - Wolfire Games
4 This file is part of Lugaru.
6 Lugaru is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License
8 as published by the Free Software Foundation; either version 2
9 of the License, or (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
15 See the GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 /**> HEADER FILES <**/
24 #include "TGALoader.h"
26 extern float texdetail;
27 extern TGAImageRec texture;
30 extern bool visibleloading;
33 extern bool LoadImage(const char * fname, TGAImageRec & tex);
34 /********************> LoadTGA() <*****/
35 bool upload_image(const unsigned char* filePath, bool hasalpha)
38 pgame->LoadingScreen();
42 // for Windows, just use TGA loader for now
44 CopyPascalStringToC( filePath, fileName);
46 // change extension to .TGA
47 int len = strlen( fileName);
50 fileName[ len - 3] = 't';
51 fileName[ len - 2] = 'g';
52 fileName[ len - 1] = 'a';
55 // return (LoadTGA( fileName) != NULL);
56 return (LoadImage(fileName, texture));
65 err = FSPathMakeRef((const UInt8*)filePath, &fsref, &isdir);
69 err = FSGetCatalogInfo(&fsref, kFSCatInfoNone, NULL, NULL, &fsspec, NULL);
75 //err = FSMakeFSSpec (0, 0, (const unsigned char*)filePath, &fsspec);
76 err = FSMakeFSSpec (0, 0, filePath, &fsspec);
77 //err=FSPathMakeFSSpec((const UInt8*)filePath,&fsspec,&isdir);*/
80 GraphicsImportComponent gi;
81 err = GetGraphicsImporterForFile(&fsspec, &gi);
85 cr = GraphicsImportGetNaturalBounds(gi, &natbounds);
87 size_t buffersize = 4 * natbounds.bottom * natbounds.right;
88 //void* buf = malloc(buffersize);
89 texture.sizeX=natbounds.right;
90 texture.sizeY=natbounds.bottom;
91 /*if(hasalpha)*/texture.bpp = 32;
92 //if(!hasalpha)texture.bpp = 24;
95 err = QTNewGWorldFromPtr(&gw, k32ARGBPixelFormat, &natbounds, NULL, NULL,
96 0, texture.data, 4 * natbounds.right);
99 cr = GraphicsImportSetGWorld(gi, gw, NULL);
101 natbounds.top = natbounds.bottom;
102 natbounds.bottom = 0;
104 cr = GraphicsImportSetBoundsRect(gi, &natbounds);
106 cr = GraphicsImportDraw(gi);
108 err = CloseComponent(gi);
111 /*glTexImage2D(textureTarget, 0, GL_RGBA, natbounds.right, natbounds.top, 0,
112 GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, buf);
118 // Loop Through The Image Data
119 GLuint imageSize; // Used To Store The Image Size When Setting Aside Ram
120 GLuint temp; // Temporary Variable
121 GLuint bytesPerPixel; // Temporary Variable
122 bytesPerPixel=texture.bpp/8;
123 imageSize = texture.sizeX * texture.sizeY * bytesPerPixel;
126 for( GLuint i = 0; i < int( imageSize ); i += 4 )
128 // Swaps The 1st And 3rd Bytes ('R'ed and 'B'lue)
129 temp = texture.data[i]; // Temporarily Store The Value At Image Data 'i'
130 texture.data[i] = texture.data[i + 1]; // Set The 1st Byte To The Value Of The 3rd Byte
131 texture.data[i + 1] = texture.data[i + 2]; // Set The 3rd Byte To The Value In 'temp' (1st Byte Value)
132 texture.data[i + 2] = texture.data[i + 3];
133 texture.data[i + 3] = temp;
139 for( GLuint i = 0; i < int( imageSize ); i += 4 )
141 texture.data[i + 3] = 255;
142 /*texture.data[tempplace] = texture.data[i]; // Set The 1st Byte To The Value Of The 3rd Byte
143 texture.data[tempplace + 1] = texture.data[i + 1]; // Set The 3rd Byte To The Value In 'temp' (1st Byte Value)
144 texture.data[tempplace + 2] = texture.data[i + 2];
153 for( GLuint k = 0; k < int( imageSize); k += bytesPerPixel*texture.sizeX*texdetail )
155 for( GLuint i = 0; i < int( imageSize/texture.sizeY ); i += bytesPerPixel*texdetail )
157 for( GLuint b = 0; b < bytesPerPixel ; b ++ ){
160 for( GLuint l = 0; l < texdetail*texture.sizeX ; l +=texture.sizeX ){
161 for( GLuint j = 0; j < texdetail ; j ++ )
163 temp += (int)texture.data[k+i+j*bytesPerPixel+l*bytesPerPixel+b]; // Set The 1st Byte To The Value Of The 3rd Byte
167 texture.data[which+b]=GLubyte(temp/howmany);
169 which+=bytesPerPixel;
172 texture.sizeX/=texdetail;
173 texture.sizeY/=texdetail;