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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.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "engines/wintermute/base/gfx/osystem/render_ticket.h"
#include "engines/wintermute/base/gfx/osystem/base_surface_osystem.h"
#include "graphics/transform_tools.h"
#include "common/textconsole.h"
namespace Wintermute {
RenderTicket::RenderTicket(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRect, Graphics::TransformStruct transform) :
_owner(owner),
_srcRect(*srcRect),
_dstRect(*dstRect),
_isValid(true),
_wantsDraw(true),
_transform(transform) {
if (surf) {
_surface = new Graphics::Surface();
_surface->create((uint16)srcRect->width(), (uint16)srcRect->height(), surf->format);
assert(_surface->format.bytesPerPixel == 4);
// Get a clipped copy of the surface
for (int i = 0; i < _surface->h; i++) {
memcpy(_surface->getBasePtr(0, i), surf->getBasePtr(srcRect->left, srcRect->top + i), srcRect->width() * _surface->format.bytesPerPixel);
}
// Then scale it if necessary
//
// NB: The numTimesX/numTimesY properties don't yet mix well with
// scaling and rotation, but there is no need for that functionality at
// the moment.
// NB: Mirroring and rotation are probably done in the wrong order.
// (Mirroring should most likely be done before rotation. See also
// TransformTools.)
if (_transform._angle != Graphics::kDefaultAngle) {
Graphics::TransparentSurface src(*_surface, false);
Graphics::Surface *temp = src.rotoscale(transform);
_surface->free();
delete _surface;
_surface = temp;
} else if ((dstRect->width() != srcRect->width() ||
dstRect->height() != srcRect->height()) &&
_transform._numTimesX * _transform._numTimesY == 1) {
Graphics::TransparentSurface src(*_surface, false);
Graphics::Surface *temp = src.scale(dstRect->width(), dstRect->height());
_surface->free();
delete _surface;
_surface = temp;
}
} else {
_surface = nullptr;
}
}
RenderTicket::~RenderTicket() {
if (_surface) {
_surface->free();
delete _surface;
}
}
bool RenderTicket::operator==(const RenderTicket &t) const {
if ((t._owner != _owner) ||
(t._transform != _transform) ||
(t._dstRect != _dstRect) ||
(t._srcRect != _srcRect)
) {
return false;
}
return true;
}
// Replacement for SDL2's SDL_RenderCopy
void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface) const {
Graphics::TransparentSurface src(*getSurface(), false);
Common::Rect clipRect;
clipRect.setWidth(getSurface()->w);
clipRect.setHeight(getSurface()->h);
if (_owner) {
if (_transform._alphaDisable) {
src.setAlphaMode(Graphics::ALPHA_OPAQUE);
} else {
src.setAlphaMode(_owner->getAlphaType());
}
}
int y = _dstRect.top;
int w = _dstRect.width() / _transform._numTimesX;
int h = _dstRect.height() / _transform._numTimesY;
for (int ry = 0; ry < _transform._numTimesY; ++ry) {
int x = _dstRect.left;
for (int rx = 0; rx < _transform._numTimesX; ++rx) {
src.blit(*_targetSurface, x, y, _transform._flip, &clipRect, _transform._rgbaMod, clipRect.width(), clipRect.height());
x += w;
}
y += h;
}
}
void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface, Common::Rect *dstRect, Common::Rect *clipRect) const {
Graphics::TransparentSurface src(*getSurface(), false);
bool doDelete = false;
if (!clipRect) {
doDelete = true;
clipRect = new Common::Rect();
clipRect->setWidth(getSurface()->w * _transform._numTimesX);
clipRect->setHeight(getSurface()->h * _transform._numTimesY);
}
if (_owner) {
if (_transform._alphaDisable) {
src.setAlphaMode(Graphics::ALPHA_OPAQUE);
} else {
src.setAlphaMode(_owner->getAlphaType());
}
}
if (_transform._numTimesX * _transform._numTimesY == 1) {
src.blit(*_targetSurface, dstRect->left, dstRect->top, _transform._flip, clipRect, _transform._rgbaMod, clipRect->width(), clipRect->height(), _transform._blendMode);
} else {
// clipRect is a subrect of the full numTimesX*numTimesY rect
Common::Rect subRect;
int y = 0;
int w = getSurface()->w;
int h = getSurface()->h;
assert(w == _dstRect.width() / _transform._numTimesX);
assert(h == _dstRect.height() / _transform._numTimesY);
int basex = dstRect->left - clipRect->left;
int basey = dstRect->top - clipRect->top;
for (int ry = 0; ry < _transform._numTimesY; ++ry) {
int x = 0;
for (int rx = 0; rx < _transform._numTimesX; ++rx) {
subRect.left = x;
subRect.top = y;
subRect.setWidth(w);
subRect.setHeight(h);
if (subRect.intersects(*clipRect)) {
subRect.clip(*clipRect);
subRect.translate(-x, -y);
src.blit(*_targetSurface, basex + x + subRect.left, basey + y + subRect.top, _transform._flip, &subRect, _transform._rgbaMod, subRect.width(), subRect.height(), _transform._blendMode);
}
x += w;
}
y += h;
}
}
if (doDelete) {
delete clipRect;
}
}
} // End of namespace Wintermute
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