freeimage.inc.php

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<?php
 
/*******************************************************************************
 
 WINBINDER - The native Windows binding for PHP for PHP
 
 Copyright � Hypervisual - see LICENSE.TXT for details
 Author: Rubem Pechansky (http://winbinder.org/contact.php)
 
 Some functions to call the FreeImage library directly
 
*******************************************************************************/
 
/*
 
This software uses the FreeImage open source image library. See
http://freeimage.sourceforge.net for details. FreeImage is used under the
FIPL version 1.0.
 
Go to the FreeImage web site (http://freeimage.sourceforge.net) to download
the FreeImage DLL and documentation.
 
These functions were successfully tested with the following FreeImage versions:
 
2.3.1 (600 kB, 260 kB zipped)
2.5.4 (670 kB, 290 kB zipped)
3.4.0 (744 kB, 350 kB zipped)
3.5.3 (888 kB, 413 kB zipped)
 
*/
 
//-------------------------------------------------------------------- CONSTANTS
 
// These were taken from FreeImage.h (version 3.5.3)
 
define("FIF_UNKNOWN",   -1);
define("FIF_BMP",       0);
define("FIF_ICO",       1);
define("FIF_JPEG",      2);
define("FIF_JNG",       3);
define("FIF_KOALA",     4);
define("FIF_LBM",       5);
define("FIF_IFF", FIF_LBM);
define("FIF_MNG",       6);
define("FIF_PBM",       7);
define("FIF_PBMRAW",    8);
define("FIF_PCD",       9);
define("FIF_PCX",       10);
define("FIF_PGM",       11);
define("FIF_PGMRAW",    12);
define("FIF_PNG",       13);
define("FIF_PPM",       14);
define("FIF_PPMRAW",    15);
define("FIF_RAS",       16);
define("FIF_TARGA",     17);
define("FIF_TIFF",      18);
define("FIF_WBMP",      19);
define("FIF_PSD",       20);
define("FIF_CUT",       21);
define("FIF_XBM",       22);
define("FIF_XPM",       23);
define("FIF_DDS",       24);
define("FIF_GIF",       25);
 
//------------------------------------------------------------- GLOBAL VARIABLES
 
if(!isset($FI)) {
    $FI = wb_load_library("ext\\freeimage");
    if(!$FI) {
        wb_message_box(null, "FreeImage extension could not be loaded.", "Error", WBC_STOP);
        die();
    }
}
//-------------------------------------------------------------------- FUNCTIONS
 
function FreeImage_GetVersion()
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_GetVersion", $FI);
 
    // Must use wb_peek because this function returns a string pointer
 
    $version = wb_peek(wb_call_function($pfn));
    return $version;
}
 
function FreeImage_GetInfoHeader($dib)
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_GetInfoHeader", $FI);
    return wb_call_function($pfn, array($dib));
}
 
function FreeImage_GetBits($dib)
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_GetBits", $FI);
    return wb_call_function($pfn, array($dib));
}
 
function FreeImage_Allocate($width, $height, $bpp)
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_Allocate@24", $FI);
    return wb_call_function($pfn, array($width, $height, $bpp, 0, 0, 0));
}
 
function FreeImage_Unload($bmp)
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_Unload", $FI);
    return wb_call_function($pfn, array($bmp));
}
 
function FreeImage_GetWidth($bmp)
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_GetWidth", $FI);
    return wb_call_function($pfn, array($bmp));
}
 
function FreeImage_GetHeight($bmp)
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_GetHeight", $FI);
    return wb_call_function($pfn, array($bmp));
}
 
function FreeImage_Load($type, $filename, $flags=0)
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_Load", $FI);
    return wb_call_function($pfn, array($type, $filename, $flags));
}
 
function FreeImage_Save($type, $dib, $filename, $flags=0)
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_Save", $FI);
    return wb_call_function($pfn, array($type, $dib, $filename, $flags));
}
 
function FreeImage_Rescale($dib, $dst_width, $dst_height, $filter=0)
{
    global $FI;
    static $pfn = null;
 
    if($pfn === null)
        $pfn = wb_get_function_address("FreeImage_Rescale", $FI);
    return wb_call_function($pfn, array($dib, $dst_width, $dst_height, $filter));
}
 
//-------------------------------------------------------------------------- END
 
?>