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//-----------------------------------------------------------------------------
// Product: OpenCTM tools
// File: image.h
// Description: Interface for the Image class.
//-----------------------------------------------------------------------------
// Copyright (c) 2009-2010 Marcus Geelnard
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//-----------------------------------------------------------------------------
#ifndef __IMAGE_H_
#define __IMAGE_H_
#include <vector>
class Image {
private:
/// Load image from a JPEG file.
void LoadJPEG(const char * aFileName);
/// Load image from a PNG file.
void LoadPNG(const char * aFileName);
/// Flip the image vertically.
void FlipVertically();
public:
/// Constructor
Image()
{
mWidth = mHeight = 0;
mComponents = 4;
}
/// Clear the image.
void Clear()
{
mWidth = mHeight = 0;
mComponents = 4;
mData.clear();
}
/// Set image dimensions.
void SetSize(int aWidth, int aHeight, int aComponents)
{
mWidth = aWidth;
mHeight = aHeight;
mComponents = aComponents;
mData.resize(mWidth * mHeight * mComponents);
}
/// Load an image from a file (any supported format).
void LoadFromFile(const char * aFileName);
/// Check if the image is empty.
bool IsEmpty()
{
return (mWidth == 0) || (mHeight == 0);
}
/// Image width (in pixels).
int mWidth;
/// Image height (in pixels).
int mHeight;
/// Number of components (1, 3 or 4).
int mComponents;
/// Pixel data
std::vector<unsigned char> mData;
};
#endif // __IMAGE_H_
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