scummvm/graphics/transform_struct.cpp
2021-12-26 18:48:43 +01:00

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