/// <summary>
/// �R���X�g���N�^
/// </summary>
/// <param name="doc">�h�L�������g</param>
public Canvas(Document doc)
{
_surface = doc.Surface;
_drawBrush = new SolidBrush(Color.Black);
_pen = new Pen(_drawBrush);
this.DoubleBuffered = true;
doc.SurfaceChangeEvent += new Document.SurfaceChangeEventHandler(onSurfaceChange);
}
/// <summary>
/// �R���X�g���N�^
/// </summary>
/// <param name="id">�h�L�������gID</param>
public Document(Int32 id)
{
_id = id;
_penSize = 1;
_fileName = "";
_dirty = false;
_surface = new Surface(50, 50);
_backSurface = _surface.Clone() as Surface;
_historyList = new HistoryActionList();
}
/// <summary>
/// ���̃T�[�t�F�C�X�̃f�[�^��������g�ɃR�s�[����
/// </summary>
/// <param name="dstX">�R�s�[���X���W</param>
/// <param name="dstY">�R�s�[���Y���W</param>
/// <param name="src">�R�s�[���̃T�[�t�F�C�X</param>
/// <param name="srcX">�R�s�[����X���W</param>
/// <param name="srcY">�R�s�[����Y���W</param>
/// <param name="w">����</param>
/// <param name="h">�c��</param>
public void copy(Int32 dstX, Int32 dstY, Surface src, Int32 srcX, Int32 srcY, Int32 w, Int32 h)
{
Byte[,] srcBuffer = src.getBuffer();
//�R�s�[�̈�̃N���b�s���O
//�摜���]�����A�]����̗̈悩��͂ݏo���Ă��������������B
Rectangle dstRect = getRect(),
srcRect = src.getRect();
dstRect.Intersect(new Rectangle(dstX, dstY, w, h));
srcRect.Intersect(new Rectangle(srcX, srcY, w, h));
//���ۂɃR�s�[����̈�̕��E������w,h�ŗǂ��Ƃ͌���Ȃ��B
//�R�s�[��A�R�s�[���̗̈�̕��̂����A���������̒l��g�p����
Int32 copyW = Math.Min(dstRect.Width, srcRect.Width),
copyH = Math.Min(dstRect.Height, srcRect.Height);
if(copyW < 1 || copyH < 1)
{
return;
}
Int32 ptDstX,ptDstY,ptSrcX,ptSrcY;
for(Int32 y=0; y < copyH; y++)
{
for(Int32 x=0; x < copyW; x++)
{
ptDstX = dstRect.Left + x;
ptDstY = dstRect.Top + y;
ptSrcX = srcRect.Left + x;
ptSrcY = srcRect.Top + y;
_buffer[ptDstX,ptDstY] = srcBuffer[ptSrcX,ptSrcY];
}
}
}
/// <summary>
/// �������g�̕�����Ԃ�
/// </summary>
/// <returns>�������g�̕���</returns>
public object Clone()
{
Surface clone = new Surface(_w, _h);
clone.copy(0,0, this, 0, 0, _w, _h);
return clone;
}
/// <summary>
/// �R���X�g���N�^
/// </summary>
/// <param name="doc">�ҏW�Ώۂ̃h�L�������g</param>
/// <param name="surface">�ҏW��̃T�[�t�F�C�X</param>
/// <param name="backSurface">�ҏW�O�̃T�[�t�F�C�X</param>
public SurfaceCopyAction(Document doc, Surface surface, Surface backSurface)
{
_doc = doc;
_surface = surface;
_backSurface = backSurface;
}
