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/*
Copyright (C) 2009 Red Hat, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
#include "red_drawable.h"
#include "pixels_source_p.h"
#include "utils.h"
#include "threads.h"
static const uint64_t lock_timout = 1000 * 1000 * 10; /*10ms*/
void RedDrawable::copy_pixels(const PixelsSource& src, int src_x, int src_y, const Rect& dest)
{
PixelsSource_p* dest_p_data = (PixelsSource_p*)get_opaque();
PixelsSource_p* src_p_data = (PixelsSource_p*)src.get_opaque();
for (;;) {
Lock lock(*dest_p_data->_mutex);
Lock timed_lock(*src_p_data->_mutex, lock_timout);
if (!timed_lock.is_locked()) {
continue;
}
BitBlt(dest_p_data->dc, dest.left + _origin.x, dest.top + _origin.y,
dest.right - dest.left, dest.bottom - dest.top,
src_p_data->dc, src_x + src._origin.x,
src_y + src._origin.y, SRCCOPY);
return;
}
}
void RedDrawable::blend_pixels(const PixelsSource& src, int src_x, int src_y, const Rect& dest)
{
static BLENDFUNCTION blend_func = { AC_SRC_OVER, 0, 0xff, AC_SRC_ALPHA};
int width = dest.right - dest.left;
int height = dest.bottom - dest.top;
PixelsSource_p* dest_p_data = (PixelsSource_p*)get_opaque();
PixelsSource_p* src_p_data = (PixelsSource_p*)src.get_opaque();
for (;;) {
Lock lock(*dest_p_data->_mutex);
Lock timed_lock(*src_p_data->_mutex, lock_timout);
if (!timed_lock.is_locked()) {
continue;
}
AlphaBlend(dest_p_data->dc, dest.left + _origin.x, dest.top + _origin.y, width, height,
src_p_data->dc, src_x + src._origin.x, src_y + src._origin.y, width, height,
blend_func);
return;
}
}
void RedDrawable::combine_pixels(const PixelsSource& src, int src_x, int src_y, const Rect& dest,
CombineOP op)
{
DWORD rop;
switch (op) {
case OP_COPY:
rop = SRCCOPY;
break;
case OP_AND:
rop = SRCAND;
break;
case OP_XOR:
rop = SRCINVERT;
break;
default:
THROW("invalid op %d", op);
}
PixelsSource_p* dest_p_data = (PixelsSource_p*)get_opaque();
PixelsSource_p* src_p_data = (PixelsSource_p*)src.get_opaque();
for (;;) {
Lock lock(*dest_p_data->_mutex);
Lock timed_lock(*src_p_data->_mutex, lock_timout);
if (!timed_lock.is_locked()) {
continue;
}
BitBlt(dest_p_data->dc, dest.left + _origin.x, dest.top + _origin.y,
dest.right - dest.left, dest.bottom - dest.top,
src_p_data->dc, src_x + src._origin.x,
src_y + src._origin.y, rop);
return;
}
}
void RedDrawable::erase_rect(const Rect& rect, rgb32_t color)
{
RECT r;
r.left = rect.left + _origin.x;
r.right = rect.right + _origin.x;
r.top = rect.top + _origin.y;
r.bottom = rect.bottom + _origin.y;
PixelsSource_p* dest_p_data = (PixelsSource_p*)get_opaque();
Lock lock(*dest_p_data->_mutex);
FillRect(dest_p_data->dc, &r, (HBRUSH)GetStockObject(BLACK_BRUSH));
}
void RedDrawable::fill_rect(const Rect& rect, rgb32_t color)
{
RECT r;
r.left = rect.left + _origin.x;
r.right = rect.right + _origin.x;
r.top = rect.top + _origin.y;
r.bottom = rect.bottom + _origin.y;
HBRUSH brush = CreateSolidBrush(RGB(rgb32_get_red(color),
rgb32_get_green(color),
rgb32_get_blue(color)));
for (;;) {
PixelsSource_p* dest_p_data = (PixelsSource_p*)get_opaque();
Lock lock(*dest_p_data->_mutex);
FillRect(dest_p_data->dc, &r, brush);
break;
}
DeleteObject(brush);
}
void RedDrawable::frame_rect(const Rect& rect, rgb32_t color)
{
RECT r;
r.left = rect.left + _origin.x;
r.right = rect.right + _origin.x;
r.top = rect.top + _origin.y;
r.bottom = rect.bottom + _origin.y;
HBRUSH brush = CreateSolidBrush(RGB(rgb32_get_red(color),
rgb32_get_green(color),
rgb32_get_blue(color)));
for (;;) {
PixelsSource_p* dest_p_data = (PixelsSource_p*)get_opaque();
Lock lock(*dest_p_data->_mutex);
FrameRect(dest_p_data->dc, &r, brush);
break;
}
DeleteObject(brush);
}
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