egami/egami/ImagePrivate.h

274 lines
9.1 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license APACHE v2.0 (see license file)
*/
#ifndef __EGAMI_IMAGE_PRIVATE_H__
#define __EGAMI_IMAGE_PRIVATE_H__
#include <etk/types.h>
#include <vector>
#include <etk/math/Vector2D.h>
#include <etk/Color.h>
namespace egami {
class ImagePrivate {
public:
ImagePrivate() {};
virtual ~ImagePrivate() {};
virtual void* getTextureDataPointer() { return nullptr; };
virtual const ivec2& getSize()=0;
virtual int32_t getWidth() const { return 0; };
virtual int32_t getHeight() const { return 0; };
virtual enum colorType getType() { return colorRGBA8; };
virtual void clear() = 0;
virtual void resize(const ivec2& _size, const etk::Color<uint8_t, 4>& _color, const ivec2& _startPos) = 0;
virtual void resize(const ivec2& _size, const etk::Color<float, 4>& _color, const ivec2& _startPos) = 0;
virtual void resize(const ivec2& _size, const etk::Color<uint16_t, 1>& _color, const ivec2& _startPos) = 0;
virtual void resize(const ivec2& _size, const etk::Color<uint32_t, 1>& _color, const ivec2& _startPos) = 0;
virtual void resize(const ivec2& _size, const etk::Color<float, 1>& _color, const ivec2& _startPos) = 0;
virtual void resize(const ivec2& _size, const etk::Color<double, 1>& _color, const ivec2& _startPos) = 0;
virtual void resize(const ivec2& _size, const ivec2& _startPos) = 0;
virtual void set(const ivec2& _pos, const etk::Color<>& _newColor) = 0;
virtual void set(const ivec2& _pos, const etk::Color<float>& _newColor) = 0;
virtual void set(const ivec2& _pos, const etk::Color<uint16_t, 1>& _newColor) = 0;
virtual void set(const ivec2& _pos, const etk::Color<uint32_t, 1>& _newColor) = 0;
virtual void set(const ivec2& _pos, const etk::Color<float, 1>& _newColor) = 0;
virtual void set(const ivec2& _pos, const etk::Color<double, 1>& _newColor) = 0;
virtual etk::Color<> get(const ivec2& _pos) const = 0;
virtual void set(const std::vector<etk::Color<float,4>>& _data, const ivec2& _size) = 0;
};
template<typename T = etk::Color<>>
class ImageTemplate : public ImagePrivate {
private:
ivec2 m_size;
std::vector<T> m_data;
public:
// constructor :
ImageTemplate(const ivec2& _size=ivec2(32,32)) :
m_size(_size) {
// basic element :
etk::Color<> tmpBg(0,0,0,0);
// preallocate data with a basic bg elements :
m_data.resize(m_size.x()*m_size.y(), tmpBg);
if ((uint32_t)m_size.x()*m_size.y() > m_data.size()) {
//TK_ERROR("Allocation of data buffer in error");
return;
}
}
// destructor
virtual ~ImageTemplate() { };
// EWOL internal API for Texture system :
public:
void* getTextureDataPointer() {
return &m_data[0];
};
enum colorType getType();
const ivec2& getSize() { return m_size; };
// -----------------------------------------------
// -- basic tools :
// -----------------------------------------------
public :
void resize__(const ivec2& _size, const ivec2& _startPos=ivec2(0,0)) {
if (_size == m_size) {
// same size == > nothing to do ...
return;
}
if ((size_t)(_size.x()*_size.y()) > m_data.size()) {
m_data.resize(_size.x()*_size.y());
}
// grow size :
if (_size.x() == m_size.x()) {
if (_size.y() < m_size.y()) {
// Just remove lines ....
} else {
// just add lines
}
} else if (_size.x() < m_size.x()) {
if (_size.y() <= m_size.y()) {
for (int32_t yyy=0; yyy<_size.y(); ++yyy) {
for (int32_t xxx=0; xxx<_size.x(); ++xxx) {
m_data[yyy*_size.x()+xxx] = m_data[yyy*m_size.x()+xxx];
}
}
} else {
for (int32_t yyy=m_size.y()-1; yyy>=0; --yyy) {
for (int32_t xxx=0; xxx<_size.x(); ++xxx) {
m_data[yyy*_size.x()+xxx] = m_data[yyy*m_size.x()+xxx];
}
}
}
} else { // (_size.x() > m_size.x())
if (_size.y() <= m_size.y()) {
for (int32_t yyy=0; yyy<_size.y(); ++yyy) {
for (int32_t xxx=0; xxx<m_size.x(); ++xxx) {
m_data[yyy*_size.x()+xxx] = m_data[yyy*m_size.x()+xxx];
}
}
} else {
for (int32_t yyy=m_size.y()-1; yyy>=0; --yyy) {
for (int32_t xxx=0; xxx<m_size.x(); ++xxx) {
m_data[yyy*_size.x()+xxx] = m_data[yyy*m_size.x()+xxx];
}
}
}
}
if ((size_t)(_size.x()*_size.y()) < m_data.size()) {
m_data.resize(_size.x()*_size.y());
}
m_size = _size;
}
void resize__(const ivec2& _size, const T& _color) {
m_size=_size;
m_data.resize(m_size.x()*m_size.y(), _color);
}
void resize(const ivec2& _size, const etk::Color<uint8_t, 4>& _color, const ivec2& _startPos) {
resize__(_size, _color);
}
void resize(const ivec2& _size, const etk::Color<float, 4>& _color, const ivec2& _startPos) {
resize__(_size, _color);
}
void resize(const ivec2& _size, const etk::Color<uint16_t, 1>& _color, const ivec2& _startPos) {
resize__(_size, _color);
}
void resize(const ivec2& _size, const etk::Color<uint32_t, 1>& _color, const ivec2& _startPos) {
resize__(_size, _color);
}
void resize(const ivec2& _size, const etk::Color<float, 1>& _color, const ivec2& _startPos) {
resize__(_size, _color);
}
void resize(const ivec2& _size, const etk::Color<double, 1>& _color, const ivec2& _startPos) {
resize__(_size, _color);
}
void resize(const ivec2& _size, const ivec2& _startPos) {
resize__(_size);
}
template<typename TYPE_2> void resize(const ivec2& _size, const TYPE_2& _color) {
T tmp(_color);
resize__(_size, tmp);
}
void set(const ivec2& _pos, const etk::Color<>& _newColor) {
set__(_pos, _newColor);
}
void set(const ivec2& _pos, const etk::Color<float>& _newColor) {
set__(_pos, _newColor);
}
void set(const ivec2& _pos, const etk::Color<uint16_t, 1>& _newColor) {
set__(_pos, _newColor);
}
void set(const ivec2& _pos, const etk::Color<uint32_t, 1>& _newColor) {
set__(_pos, _newColor);
}
void set(const ivec2& _pos, const etk::Color<float, 1>& _newColor) {
set__(_pos, _newColor);
}
void set(const ivec2& _pos, const etk::Color<double, 1>& _newColor) {
set__(_pos, _newColor);
}
const ivec2& getSize() const {
return m_size;
};
int32_t getWidth() const {
return m_size.x();
};
int32_t getHeight() const {
return m_size.y();
};
void clearColor(const T& _fill) {
for (int32_t iii=0; iii<m_size.x()*m_size.y(); iii++) {
m_data[iii] = _fill;
}
}
void clear() {
clearColor(T::emptyColor);
}
etk::Color<> get(const ivec2& _pos) const {
return get__(_pos);
}
const T& get__(const ivec2& _pos) const {
static const T errorColor(0x00000000);
if( _pos.x()>0 && _pos.x()<m_size.x()
&& _pos.y()>0 && _pos.y()<m_size.y()) {
return m_data[_pos.x()+_pos.y()*m_size.x()];
}
return errorColor;
}
void set__(const ivec2& _pos, const T& _newColor) {
if( _pos.x()>=0 && _pos.x()<m_size.x()
&& _pos.y()>=0 && _pos.y()<m_size.y()) {
m_data[_pos.x()+_pos.y()*m_size.x()] = _newColor;
}
}
void insert(const ivec2& _pos, const ImageTemplate<T>& _input) {
for(int32_t yyy = 0; yyy < _input.getSize().y() && _pos.y() + yyy < m_size.y(); ++yyy) {
for(int32_t xxx = 0; xxx < _input.getSize().x() && _pos.x() + xxx < m_size.x(); ++xxx) {
set(ivec2(_pos.x()+xxx, _pos.y()+yyy), _input.get(ivec2(xxx, yyy)) );
}
}
}
/**
* @brief Scale an image in an other dimention.
* @param[in] _size Destination size of the image.
* @TODO Set this function more capacity like not a multiple ratio...
*/
void scale(const ivec2& _size) {
// TODO : Add capabilities ...
int32_t stepX = m_size.x() / _size.x();
int32_t stepY = m_size.y() / _size.y();
stepX = std::max(1, stepX);
stepY = std::max(1, stepY);
EGAMI_VERBOSE("move : " << stepX << " , " << stepY << " from : " << m_size << " ==> " << _size);
for (int32_t yyy = 0; yyy < _size.y(); ++yyy) {
for (int32_t xxx = 0; xxx < _size.x(); ++xxx) {
set(ivec2(xxx, yyy), get(ivec2(xxx*stepX, yyy*stepY)));
}
}
resize(_size);
}
void set(const std::vector<etk::Color<float,4>>& _data, const ivec2& _size) {
m_data.clear();
m_size = _size;
m_data.resize(_data.size());
for (size_t iii=0; iii<m_data.size(); ++iii) {
m_data[iii] = _data[iii];
}
}
};
template <> enum colorType ImageTemplate<etk::Color<uint8_t>>::getType() {
return colorRGBA8;
}
template <> enum colorType ImageTemplate<etk::Color<uint8_t, 3>>::getType() {
return colorRGB8;
}
template <> enum colorType ImageTemplate<etk::Color<float>>::getType() {
return colorRGBAf;
}
template <> enum colorType ImageTemplate<etk::Color<float, 3>>::getType() {
return colorRGBf;
}
template <> enum colorType ImageTemplate<etk::Color<uint16_t, 1>>::getType() {
return colorU16;
}
template <> enum colorType ImageTemplate<etk::Color<uint32_t, 1>>::getType() {
return colorU32;
}
template <> enum colorType ImageTemplate<etk::Color<float, 1>>::getType() {
return colorFloat;
}
template <> enum colorType ImageTemplate<etk::Color<double, 1>>::getType() {
return colorDouble;
}
};
#endif