/*
    This file is part of icoformat, a Windows Icon (ICO) File Format
    plugin for Adobe Photoshop
    Copyright (C) 2002-2010 Toby Thain, toby@telegraphics.com.au

    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; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "ico.h"
#include "ico_io.h"

OSErr read_icondirentry(FILEREF f,LPICONDIRENTRY pide){
	OSErr e;
       (e = read1 (f,&pide->bWidth))          // Width, in pixels, of the image
    || (e = read1 (f,&pide->bHeight))         // Height, in pixels, of the image
    || (e = read1 (f,&pide->bColorCount))     // Number of colors in image (0 if >=8bpp)
    || (e = read1 (f,&pide->bReserved))       // Reserved ( must be 0)
    || (e = read2L(f,(int16_t*)&pide->wPlanes))         // Color Planes
    || (e = read2L(f,(int16_t*)&pide->wBitCount))       // Bits per pixel
    || (e = read4L(f,(int32_t*)&pide->dwBytesInRes))    // How many bytes in this resource?
    || (e = read4L(f,(int32_t*)&pide->dwImageOffset)) ;   // Where in the file is this image?
	return e;
}

OSErr write_icondirentry(FILEREF f,LPICONDIRENTRY pide){
	OSErr e;
       (e = write1 (f,pide->bWidth))          // Width, in pixels, of the image
    || (e = write1 (f,pide->bHeight))         // Height, in pixels, of the image
    || (e = write1 (f,pide->bColorCount))     // Number of colors in image (0 if >=8bpp)
    || (e = write1 (f,pide->bReserved))       // Reserved ( must be 0)
    || (e = write2L(f,pide->wPlanes))         // Color Planes
    || (e = write2L(f,pide->wBitCount))       // Bits per pixel
    || (e = write4L(f,pide->dwBytesInRes))    // How many bytes in this resource?
    || (e = write4L(f,pide->dwImageOffset)) ;   // Where in the file is this image?
	return e;
}

OSErr read_icondir(FILEREF f,LPICONDIR pid){
	OSErr e;
       (e = read2L(f,(int16_t*)&pid->idReserved))   // Reserved (must be 0)
    || (e = read2L(f,(int16_t*)&pid->idType))       // Resource Type (1 for icons)
    || (e = read2L(f,(int16_t*)&pid->idCount)) ;      // How many images?
    //ICONDIRENTRY   idEntries[idCount]; // An entry for each image
	return e;
}

OSErr write_icondir(FILEREF f,LPICONDIR pid){
	OSErr e;
       (e = write2L(f,pid->idReserved))   // Reserved (must be 0)
    || (e = write2L(f,pid->idType))       // Resource Type (1 for icons)
    || (e = write2L(f,pid->idCount)) ;      // How many images?
    //ICONDIRENTRY   idEntries[idCount]; // An entry for each image
	return e;
}

OSErr read_bitmapinfoheader(FILEREF f,BITMAPINFOHEADER *pbih){
	OSErr e;
	   (e = read4L(f,(int32_t*)&pbih->biSize))
	|| (e = read4L(f,&pbih->biWidth))
	|| (e = read4L(f,&pbih->biHeight))
	|| (e = read2L(f,(int16_t*)&pbih->biPlanes))
	|| (e = read2L(f,(int16_t*)&pbih->biBitCount))
	|| (e = read4L(f,(int32_t*)&pbih->biCompression))
	|| (e = read4L(f,(int32_t*)&pbih->biSizeImage))
	|| (e = read4L(f,&pbih->biXPelsPerMeter))
	|| (e = read4L(f,&pbih->biYPelsPerMeter))
	|| (e = read4L(f,(int32_t*)&pbih->biClrUsed))
	|| (e = read4L(f,(int32_t*)&pbih->biClrImportant)) ;
	return e;
}

OSErr write_bitmapinfoheader(FILEREF f,BITMAPINFOHEADER *pbih){
	OSErr e;
	   (e = write4L(f,pbih->biSize))
	|| (e = write4L(f,pbih->biWidth))
	|| (e = write4L(f,pbih->biHeight))
	|| (e = write2L(f,pbih->biPlanes))
	|| (e = write2L(f,pbih->biBitCount))
	|| (e = write4L(f,pbih->biCompression))
	|| (e = write4L(f,pbih->biSizeImage))
	|| (e = write4L(f,pbih->biXPelsPerMeter))
	|| (e = write4L(f,pbih->biYPelsPerMeter))
	|| (e = write4L(f,pbih->biClrUsed))
	|| (e = write4L(f,pbih->biClrImportant)) ;
	return e;
}