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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 "resourcedata_surface.h"
#include "API/Core/Resources/resource_manager.h"
#include "API/Display/Providers/provider_factory.h"
#include "API/Core/System/clanstring.h"
#include "API/Display/pixel_buffer.h"
#include "API/Display/pixel_format.h"
//////////////////////////////////////////////////////////////////////////////
// CL_ResourceData_Surface construction:
CL_ResourceData_Surface::CL_ResourceData_Surface(CL_Resource &resource)
: CL_ResourceData(resource)
{
resource.attach_data("surface", this);
}
CL_ResourceData_Surface::~CL_ResourceData_Surface()
{
}
//////////////////////////////////////////////////////////////////////////////
// CL_ResourceData_Surface attributes:
//////////////////////////////////////////////////////////////////////////////
// CL_ResourceData_Surface implementation:
void CL_ResourceData_Surface::on_load()
{
CL_Resource resource = get_resource();
std::string name = resource.get_element().get_attribute("file");
std::string image_format = resource.get_element().get_attribute("format");
std::string keep_pixelbuffer = resource.get_element().get_attribute("keep_pixelbuffer", "false");
std::string force_16bit = resource.get_element().get_attribute("force_16bit", "false");
int flag = CL_Surface::flag_none;
if(CL_String::to_bool(keep_pixelbuffer) == true)
flag |= CL_Surface::flag_keep_pixelbuffer;
if(CL_String::to_bool(force_16bit) == true)
flag |= CL_Surface::flag_force_16bit;
CL_PixelBuffer image = CL_ProviderFactory::load(name, image_format, resource.get_manager().get_resource_provider());
// now check if we just need a portion of the surface
int xpos = -1, ypos = -1, width = -1, height = -1;
if (resource.get_element().has_attribute("pos"))
{
std::vector<std::string> image_pos = CL_String::tokenize(resource.get_element().get_attribute("pos"), ",");
xpos = atoi(image_pos[0].c_str());
ypos = atoi(image_pos[1].c_str());
// if only the position is given, we need the complete image from that point
width = image.get_width() - xpos;
height = image.get_height() - ypos;
}
if (resource.get_element().has_attribute("size"))
{
std::vector<std::string> image_pos = CL_String::tokenize(resource.get_element().get_attribute("pos"), ",");
xpos = atoi(image_pos[0].c_str());
ypos = atoi(image_pos[1].c_str());
// if no position is given, we only need the upperleft corner
if( xpos == -1 || ypos == -1 )
{
xpos = 0;
ypos = 0;
}
}
// if we only need a portion, convert the image
if (xpos != -1 && ypos != -1 && width != -1 && height != -1)
{
CL_PixelBuffer chopped_image( width, height, image.get_format().get_depth()*width, image.get_format(), NULL );
chopped_image.lock();
image.convert(
chopped_image.get_data(),
chopped_image.get_format(),
image.get_format().get_depth()*width,
CL_Rect(0,0,width,height),
CL_Rect(xpos,ypos,xpos+width,ypos+height) );
chopped_image.unlock();
image = chopped_image;
}
surface = CL_Surface(image, flag);
}
void CL_ResourceData_Surface::on_unload()
{
surface = CL_Surface();
}
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