// ==========================================================

// Photoshop Loader

//

// Design and implementation by

// - Hervé Drolon (drolon@infonie.fr)

// - Mihail Naydenov (mnaydenov@users.sourceforge.net)

// - Garrick Meeker (garrickmeeker@users.sourceforge.net)

//

// Based on LGPL code created and published by http://sourceforge.net/projects/elynx/

//

// This file is part of FreeImage 3

//

// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY

// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES

// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE

// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED

// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT

// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY

// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL

// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER

// THIS DISCLAIMER.

//

// Use at your own risk!

// ==========================================================

#include "FreeImage.h"

#include "Utilities.h"

#include "PSDParser.h"

// ==========================================================

// Plugin Interface

// ==========================================================

static int s_format_id;

// ==========================================================

// Plugin Implementation

// ==========================================================

static const char * DLL_CALLCONV

Format() {

  return "PSD";

}

static const char * DLL_CALLCONV

Description() {

  return "Adobe Photoshop";

}

static const char * DLL_CALLCONV

Extension() {

  return "psd,psb";

}

static const char * DLL_CALLCONV

MimeType() {

  return "image/vnd.adobe.photoshop";

}

static BOOL DLL_CALLCONV

Validate(FreeImageIO *io, fi_handle handle) {

  BYTE psd_id[] = { 0x38, 0x42, 0x50, 0x53 };

  BYTE signature[4] = { 0, 0, 0, 0 };

  io->read_proc(signature, 1, 4, handle);

  if(memcmp(psd_id, signature, 4) == 0)

    return TRUE;

  return FALSE;

}

static BOOL DLL_CALLCONV

SupportsExportDepth(int depth) {

  return (

      (depth == 1)  ||

      (depth == 8)  ||

      (depth == 24) ||

      (depth == 32)

    );

}

static BOOL DLL_CALLCONV

SupportsExportType(FREE_IMAGE_TYPE type) {

  return (

    (type == FIT_BITMAP)  ||

    (type == FIT_UINT16)  ||

    (type == FIT_INT16)   ||

    (type == FIT_FLOAT)   ||

    (type == FIT_RGB16)   ||

    (type == FIT_RGBA16)  ||

    (type == FIT_RGBF)    ||

    (type == FIT_RGBAF)

  );

}

static BOOL DLL_CALLCONV

SupportsICCProfiles() {

  return TRUE;

}

static BOOL DLL_CALLCONV

SupportsNoPixels() {

  return TRUE;

} 

// ----------------------------------------------------------

static FIBITMAP * DLL_CALLCONV

Load(FreeImageIO *io, fi_handle handle, int page, int flags, void *data) {

  if(!handle) {

    return NULL;

  }

  try {

    psdParser parser;

    FIBITMAP *dib = parser.Load(io, handle, s_format_id, flags);

    return dib;

  } catch(const char *text) {

    FreeImage_OutputMessageProc(s_format_id, text);

    return NULL;

  }

}

static BOOL DLL_CALLCONV

Save(FreeImageIO *io, FIBITMAP *dib, fi_handle handle, int page, int flags, void *data) {

  if(!handle) {

    return FALSE;

  }

  try {

    psdParser parser;

    bool b = parser.Save(io, dib, handle, page, flags, data);

    return b;

  } catch(const char *text) {

    FreeImage_OutputMessageProc(s_format_id, text);

    return FALSE;

  }

}

// ==========================================================

//   Init

// ==========================================================

void DLL_CALLCONV

InitPSD(Plugin *plugin, int format_id) {

  s_format_id = format_id;

  plugin->format_proc = Format;

  plugin->description_proc = Description;

  plugin->extension_proc = Extension;

  plugin->regexpr_proc = NULL;

  plugin->open_proc = NULL;

  plugin->close_proc = NULL;

  plugin->pagecount_proc = NULL;

  plugin->pagecapability_proc = NULL;

  plugin->load_proc = Load;

  plugin->save_proc = Save;

  plugin->validate_proc = Validate;

  plugin->mime_proc = MimeType;

  plugin->supports_export_bpp_proc = SupportsExportDepth;

  plugin->supports_export_type_proc = SupportsExportType;

  plugin->supports_icc_profiles_proc = SupportsICCProfiles;

  plugin->supports_no_pixels_proc = SupportsNoPixels; 

}