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/* Copyright (C) 2004 MySQL AB
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 */
/**
* @file myx_gc_utilities.h
* @brief Some common utility functions.
*
*/
#ifndef __GC_GL_UTILITIES_H__
#define __GC_GL_UTILITIES_H__
#include "myx_gc_datatypes.h"
#include "glib.h"
#include "png.h"
//----------------------------------------------------------------------------------------------------------------------
typedef enum tagColorType
{
COLOR_TYPE_PALETTE = PNG_COLOR_TYPE_PALETTE,
COLOR_TYPE_GRAY = PNG_COLOR_TYPE_GRAY,
COLOR_TYPE_GRAY_ALPHA = PNG_COLOR_TYPE_GRAY_ALPHA,
COLOR_TYPE_RGB = PNG_COLOR_TYPE_RGB,
COLOR_TYPE_RGB_ALPHA = PNG_COLOR_TYPE_RGB_ALPHA
} TColorType;
typedef struct tagTImage
{
unsigned int Width; // The width of the image in pixels.
unsigned int Height; // The height of the image in pixels.
unsigned char* Data; // The image data.
TColorType ColorType; // The color format of the image (RGB, gray, palette etc.)
// Note: Palette images are not supported.
unsigned int Channels; // Bytes per pixel.
} TImage;
//----------------------------------------------------------------------------------------------------------------------
// Converts the given string, which is supposed to be an UTF-8 encoded text into an UTF-16 string.
wstring Utf8ToUtf16(const string& Source);
// Converts the given string into an ANSI string using the current system locale.
wstring Utf16ToANSI(const string& Source);
// Converts the given string, which is supposed to be an UTF-8 encoded text into an ANSI string using the current system locale.
string Utf8ToANSI(const string& Source);
// Loads the given PNG image from disk.
TImage* LoadPNG(const string& Filename);
// Releases the given image.
void FreeImage(TImage* Image);
// Returns the current working folder.
string GetCurrentDir(void);
// Sets the current working folder.
void SetCurrentDir(const string& Folder);
// Extracts the drive and path from the given file name.
string ExtractFilePath(const string& Filename);
// Platform neutral file open function.
FILE* OpenFile(string Filename, const char* OpenMode);
//----------------------------------------------------------------------------------------------------------------------
#endif // __GC_GL_UTILITIES_H__
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