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/* 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 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "titanic/support/direct_draw_surface.h"
namespace Titanic {
DirectDrawSurface::DirectDrawSurface() : _surface(nullptr),
_disposeAfterUse(DisposeAfterUse::YES) {
}
DirectDrawSurface::~DirectDrawSurface() {
free();
}
void DirectDrawSurface::create(Graphics::ManagedSurface *surface) {
free();
_surface = surface;
_disposeAfterUse = DisposeAfterUse::NO;
}
void DirectDrawSurface::create(int w, int h, int bpp) {
assert(bpp == 16 || bpp == 32);
Graphics::PixelFormat pixelFormat = (bpp == 32) ?
Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0) :
Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
_surface = new Graphics::ManagedSurface(w, h, pixelFormat);
_disposeAfterUse = DisposeAfterUse::YES;
}
void DirectDrawSurface::free() {
if (_disposeAfterUse == DisposeAfterUse::YES)
delete _surface;
_surface = nullptr;
_disposeAfterUse = DisposeAfterUse::NO;
}
Graphics::ManagedSurface *DirectDrawSurface::lock(const Rect *bounds, int flags) {
assert(!_surface->empty());
return _surface;
}
void DirectDrawSurface::unlock() {
assert(_surface->w != 0 && _surface->h != 0);
}
void DirectDrawSurface::fill(const Rect *bounds, uint32 color) {
Rect tempBounds;
assert(_surface);
if (bounds) {
// Bounds are provided, clip them to the bounds of this surface
tempBounds = *bounds;
tempBounds.clip(Rect(0, 0, _surface->w, _surface->h));
} else {
// No bounds provided, so use the entire surface
tempBounds = Rect(0, 0, _surface->w, _surface->h);
}
// Fill the area
_surface->fillRect(tempBounds, color);
}
void DirectDrawSurface::fillRect(Rect *rect, byte r, byte g, byte b) {
uint color = _surface->format.RGBToColor(r, g, b);
Rect tempRect = rect ? *rect : Rect(0, 0, getWidth(), getHeight());
_surface->fillRect(tempRect, color);
}
void DirectDrawSurface::blit(const Rect &destRect, DirectDrawSurface *srcSurface, Rect &srcRect) {
assert(srcSurface);
if (!destRect.isEmpty())
_surface->transBlitFrom(*srcSurface->_surface, srcRect, destRect, (uint)-1);
}
void DirectDrawSurface::blit(const Point &destPos, DirectDrawSurface *srcSurface, Rect *bounds) {
if (bounds)
_surface->blitFrom(*srcSurface->_surface, *bounds, destPos);
else
_surface->blitFrom(*srcSurface->_surface, destPos);
}
} // End of namespace Titanic
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