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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** 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.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#include "Display/display_precomp.h"
#include "surface_generic.h"
#include "surface_target.h"
/////////////////////////////////////////////////////////////////////////////
// CL_Surface_Generic construction:
CL_Surface_Generic::CL_Surface_Generic(CL_Surface_Target *target) :
target(target),
angle(0.0f),
angle_pitch(0.0f),
angle_yaw(0.0f),
scale_x(1.0f),
scale_y(1.0f),
red(1.0f),
green(1.0f),
blue(1.0f),
alpha(1.0f),
blend_src(blend_src_alpha),
blend_dest(blend_one_minus_src_alpha),
blendfunc_src_alpha (blend_src_alpha),
blendfunc_dest_alpha(blend_one_minus_src_alpha),
translation_hotspot(0,0),
rotation_hotspot(0,0),
translation_origin(origin_top_left),
rotation_origin(origin_center),
ref_count(0)
{
if (target) target->add_ref();
}
CL_Surface_Generic::~CL_Surface_Generic()
{
if (target) target->release_ref();
}
/////////////////////////////////////////////////////////////////////////////
// CL_Surface_Generic attributes:
/////////////////////////////////////////////////////////////////////////////
// CL_Surface_Generic operations:
CL_Surface_Generic &CL_Surface_Generic::operator =(const CL_Surface_Generic ©)
{
if (target) target->release_ref();
target = copy.target;
angle = copy.angle;
angle_pitch = copy.angle_pitch;
angle_yaw = copy.angle_yaw;
scale_x = copy.scale_x;
scale_y = copy.scale_y;
alpha = copy.alpha;
blend_src = copy.blend_src;
blend_dest = copy.blend_dest;
blendfunc_src_alpha = copy.blendfunc_src_alpha;
blendfunc_dest_alpha = copy.blendfunc_dest_alpha;
translation_hotspot = copy.translation_hotspot;
rotation_hotspot = copy.rotation_hotspot;
translation_origin = copy.translation_origin;
rotation_origin = copy.rotation_origin;
if (target) target->add_ref();
return *this;
}
CL_Surface_Generic *CL_Surface_Generic::copy_on_write()
{
if (ref_count == 1) return this;
CL_Surface_Generic *copy = new CL_Surface_Generic(0);
*copy = *this;
copy->add_ref();
release_ref();
return copy;
}
void CL_Surface_Generic::release_ref()
{
ref_count--;
if (ref_count == 0) delete this;
}
void CL_Surface_Generic::add_ref()
{
ref_count++;
}
/////////////////////////////////////////////////////////////////////////////
// CL_Surface_Generic implementation:
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