scummvm/engines/dgds/drawing.cpp
2025-01-24 12:11:17 +01:00

59 lines
2.1 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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 "graphics/managed_surface.h"
#include "dgds/drawing.h"
namespace Dgds {
namespace Drawing {
void filledCircle(int x, int y, int xr, int yr, Graphics::ManagedSurface *dst, byte fgcol, byte bgcol) {
dst->drawEllipse(x - xr, y - yr, x + xr, y + yr, bgcol, true);
dst->drawEllipse(x - xr, y - yr, x + xr, y + yr, fgcol, false);
}
void emptyCircle(int x, int y, int xr, int yr, Graphics::ManagedSurface *dst, byte fgcol) {
dst->drawEllipse(x - xr, y - yr, x + xr, y + yr, fgcol, false);
}
void rectClipped(const Common::Rect &r, const Common::Rect &clip, Graphics::ManagedSurface *dst, byte color) {
Common::Rect clippedR(r);
clippedR.clip(clip);
if (clippedR.isEmpty())
return;
if (r.top >= clip.top && r.top < clip.bottom)
dst->hLine(MAX(r.left, clip.left), r.top, MIN(r.right - 1, clip.right - 1), color);
if (r.bottom - 1 >= clip.top && r.bottom - 1 < clip.bottom)
dst->hLine(MAX(r.left, clip.left), r.bottom - 1, MIN(r.right - 1, clip.right - 1), color);
if (r.left >= clip.left && r.left < clip.right)
dst->vLine(r.left, MAX(r.top, clip.top), MIN(r.bottom - 1, clip.bottom - 1), color);
if (r.right - 1 >= clip.left && r.right - 1 < clip.right)
dst->vLine(r.right - 1, MAX(r.top, clip.top), MIN(r.bottom - 1, clip.bottom - 1), color);
}
}
} // end namespace Dgds