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/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
#include "pixels_source.h"
#include "pixels_source_p.h"
#include "platform_utils.h"
#include "threads.h"
#include "debug.h"
static SpicePoint get_bitmap_size(HDC dc)
{
BITMAP bitmap_info;
SpicePoint size;
GetObject(GetCurrentObject(dc, OBJ_BITMAP), sizeof(bitmap_info), &bitmap_info);
size.x = bitmap_info.bmWidth;
size.y = bitmap_info.bmHeight;
return size;
}
PixelsSource::PixelsSource()
{
ASSERT(sizeof(_opaque) >= sizeof(PixelsSource_p));
_origin.x = _origin.y = 0;
memset(_opaque, 0, sizeof(_opaque));
PixelsSource_p* p_data = (PixelsSource_p*)_opaque;
p_data->_mutex = new RecurciveMutex();
}
PixelsSource::~PixelsSource()
{
PixelsSource_p* p_data = (PixelsSource_p*)_opaque;
delete p_data->_mutex;
}
struct ResImage_p {
PixelsSource_p source_p;
HBITMAP prev_bitmap;
};
ImageFromRes::ImageFromRes(int res_id)
{
AutoDC dc(create_compatible_dc());
((ResImage_p*)get_opaque())->prev_bitmap = (HBITMAP)SelectObject(dc.get(),
get_bitmap_res(res_id));
((ResImage_p*)get_opaque())->source_p.dc = dc.release();
}
ImageFromRes::~ImageFromRes()
{
HDC dc = ((ResImage_p*)get_opaque())->source_p.dc;
if (dc) {
HGDIOBJ bitmap = SelectObject(dc, ((ResImage_p*)get_opaque())->prev_bitmap);
DeleteObject(bitmap);
DeleteDC(dc);
}
}
SpicePoint ImageFromRes::get_size()
{
ResImage_p* p_data = (ResImage_p*)get_opaque();
Lock lock(*p_data->source_p._mutex);
return get_bitmap_size(p_data->source_p.dc);
}
AlphaImageFromRes::AlphaImageFromRes(int res_id)
{
AutoDC dc(create_compatible_dc());
((ResImage_p*)get_opaque())->prev_bitmap = (HBITMAP)SelectObject(dc.get(),
get_alpha_bitmap_res(res_id));
((ResImage_p*)get_opaque())->source_p.dc = dc.release();
}
AlphaImageFromRes::~AlphaImageFromRes()
{
HDC dc = ((ResImage_p*)get_opaque())->source_p.dc;
if (dc) {
HGDIOBJ bitmap = SelectObject(dc, ((ResImage_p*)get_opaque())->prev_bitmap);
DeleteObject(bitmap);
DeleteDC(dc);
}
}
SpicePoint AlphaImageFromRes::get_size()
{
ResImage_p* p_data = (ResImage_p*)get_opaque();
Lock lock(*p_data->source_p._mutex);
return get_bitmap_size(p_data->source_p.dc);
}
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