scummvm/engines/wintermute/graphics/transform_struct.cpp
2014-02-18 02:39:40 +01:00

120 lines
3.7 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 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 "engines/wintermute/graphics/transform_struct.h"
#include "engines/wintermute/graphics/transparent_surface.h"
namespace Wintermute {
void TransformStruct::init(Point32 zoom, uint32 angle, Point32 hotspot, bool alphaDisable, TSpriteBlendMode blendMode, uint32 rgbaMod, bool mirrorX, bool mirrorY, Point32 offset) {
_zoom = zoom;
_angle = angle;
_hotspot = hotspot;
_blendMode = blendMode;
_rgbaMod = rgbaMod;
_alphaDisable = alphaDisable;
_flip = 0;
_flip += TransparentSurface::FLIP_H * mirrorX;
_flip += TransparentSurface::FLIP_V * mirrorY;
_offset = offset;
_numTimesX = 1;
_numTimesY = 1;
}
TransformStruct::TransformStruct(int32 zoomX, int32 zoomY, uint32 angle, int32 hotspotX, int32 hotspotY, TSpriteBlendMode blendMode, uint32 rgbaMod, bool mirrorX, bool mirrorY, int32 offsetX, int32 offsetY) {
init(Point32(zoomX, zoomY),
angle,
Point32(hotspotX, hotspotY),
false,
blendMode,
rgbaMod,
mirrorX, mirrorY,
Point32(offsetX, offsetY));
}
TransformStruct::TransformStruct(float zoomX, float zoomY, uint32 angle, int32 hotspotX, int32 hotspotY, TSpriteBlendMode blendMode, uint32 rgbaMod, bool mirrorX, bool mirrorY, int32 offsetX, int32 offsetY) {
init(Point32((int32)(zoomX / 100.0 * kDefaultZoomX),
(int32)(zoomY / 100.0 * kDefaultZoomY)),
angle,
Point32(hotspotX, hotspotY),
false,
blendMode,
rgbaMod,
mirrorX, mirrorY,
Point32(offsetX, offsetY));
}
TransformStruct::TransformStruct(int32 zoomX, int32 zoomY, TSpriteBlendMode blendMode, uint32 rgbaMod, bool mirrorX, bool mirrorY) {
init(Point32(zoomX, zoomY),
kDefaultAngle,
Point32(kDefaultHotspotX, kDefaultHotspotY),
false,
blendMode,
rgbaMod,
mirrorX,
mirrorY,
Point32(kDefaultOffsetX, kDefaultOffsetY));
}
TransformStruct::TransformStruct(int32 zoomX, int32 zoomY, uint32 angle, int32 hotspotX, int32 hotspotY) {
init(Point32(zoomX, zoomY),
angle,
Point32(hotspotX, hotspotY),
true,
BLEND_NORMAL,
kDefaultRgbaMod,
false, false,
Point32(kDefaultOffsetX, kDefaultOffsetY));
}
TransformStruct::TransformStruct(int32 numTimesX, int32 numTimesY) {
init(Point32(kDefaultZoomX, kDefaultZoomY),
kDefaultAngle,
Point32(kDefaultHotspotX, kDefaultHotspotY),
false,
BLEND_NORMAL,
kDefaultRgbaMod,
false, false,
Point32(kDefaultOffsetX, kDefaultOffsetY));
_numTimesX = numTimesX;
_numTimesY = numTimesY;
}
TransformStruct::TransformStruct() {
init(Point32(kDefaultZoomX, kDefaultZoomY),
kDefaultAngle,
Point32(kDefaultHotspotX, kDefaultHotspotY),
true,
BLEND_NORMAL,
kDefaultRgbaMod,
false, false,
Point32(kDefaultOffsetX, kDefaultOffsetY));
}
bool TransformStruct::getMirrorX() const {
return (bool)(_flip & TransparentSurface::FLIP_H);
}
bool TransformStruct::getMirrorY() const {
return (bool)(_flip & TransparentSurface::FLIP_V);
}
} // End of namespace Wintermute