#include "Texture.h"

#include "Image.h"
using namespace Framework;

// Contents of the Texture class
// Constructor
Texture::Texture(TextureDirection dir)
    : ReferenceCounter(),
      direction(dir)
{
    bild = 0;
    lastGr = Point(0, 0);
    id = -1;
    changed = 0;
}

// Destructor
Texture::~Texture()
{
    if (bild) bild->release();
}

// Sets a pointer to the image that contains the texture
//  b: The pointer to the image
void Texture::setImageZ(Image* b)
{
    if (bild != b) changed = 1;
    if (bild) bild->release();
    bild = b;
}

// Sets the image that contains the texture by copying it
//  b: The image to be copied
void Texture::setImage(Image* b)
{
    if (!b) return;
    if (bild != b) changed = 1;
    if (!bild || bild->getWidth() != b->getWidth()
        || bild->getHeight() != b->getHeight())
    {
        if (!bild) bild = new Image();
        bild->newImage(b->getWidth(), b->getHeight(), 0);
    }
    bild->drawImage(0, 0, bild->getWidth(), bild->getHeight(), *b);
    b->release();
}

// Returns a pointer to the image
Image* Texture::getImage() const
{
    return bild ? dynamic_cast<Image*>(bild->getThis()) : 0;
}

// Returns a pointer to the image without increased reference counter
Image* Texture::zImage() const
{
    return bild;
}

// Returns the id of the texture if it was registered in a TextureList.
// (see Framework::zTextureRegister())
int Texture::getId() const
{
    return id;
}

TextureDirection Framework::Texture::getDirection() const
{
    return direction;
}