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98 lines
3.5 KiB
C++
98 lines
3.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef GRAPHICS_TRANSFORM_STRUCT_H
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#define GRAPHICS_TRANSFORM_STRUCT_H
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#include "common/rect.h"
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namespace Graphics {
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enum TSpriteBlendMode {
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BLEND_UNKNOWN = -1,
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BLEND_NORMAL = 0,
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BLEND_ADDITIVE = 1,
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BLEND_SUBTRACTIVE = 2,
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NUM_BLEND_MODES
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};
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/**
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* Contains all the required information that define a transform.
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* Same source sprite + same TransformStruct = Same resulting sprite.
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* Has a number of overloaded constructors to accomodate various argument lists.
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*/
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const int32 kDefaultZoomX = 100;
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const int32 kDefaultZoomY = 100;
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const uint32 kDefaultRgbaMod = 0xFFFFFFFF;
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const int32 kDefaultHotspotX = 0;
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const int32 kDefaultHotspotY = 0;
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const int32 kDefaultOffsetX = 0;
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const int32 kDefaultOffsetY = 0;
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const int32 kDefaultAngle = 0;
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struct TransformStruct {
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private:
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void init(Common::Point zoom, uint32 angle, Common::Point hotspot, bool alphaDisable, TSpriteBlendMode blendMode, uint32 alpha, bool mirrorX, bool mirrorY, Common::Point offset);
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public:
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TransformStruct(int32 zoomX, int32 zoomY, uint32 angle, int32 hotspotX, int32 hotspotY, TSpriteBlendMode blendMode, uint32 alpha, bool mirrorX = false, bool mirrorY = false, int32 offsetX = 0, int32 offsetY = 0);
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TransformStruct(float zoomX, float zoomY, uint32 angle, int32 hotspotX, int32 hotspotY, TSpriteBlendMode blendMode, uint32 alpha, bool mirrorX = false, bool mirrorY = false, int32 offsetX = 0, int32 offsetY = 0);
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TransformStruct(int32 zoomX, int32 zoomY, TSpriteBlendMode blendMode, uint32 alpha, bool mirrorX = false, bool mirrorY = false);
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TransformStruct(int32 zoomX, int32 zoomY, uint32 angle, int32 hotspotX = 0, int32 hotspotY = 0);
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TransformStruct(int32 numTimesX, int32 numTimesY);
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TransformStruct();
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Common::Point _zoom; ///< Zoom; 100 = no zoom
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Common::Point _hotspot; ///< Position of the hotspot
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int32 _angle; ///< Rotation angle, in degrees
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byte _flip; ///< Bitflag: see TransparentSurface::FLIP_XXX
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bool _alphaDisable;
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TSpriteBlendMode _blendMode;
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uint32 _rgbaMod; ///< RGBa
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Common::Point _offset;
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int32 _numTimesX;
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int32 _numTimesY;
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bool getMirrorX() const;
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bool getMirrorY() const;
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bool operator==(const TransformStruct &compare) const {
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return (compare._angle == _angle &&
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compare._flip == _flip &&
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compare._zoom == _zoom &&
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compare._offset == _offset &&
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compare._alphaDisable == _alphaDisable &&
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compare._rgbaMod == _rgbaMod &&
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compare._blendMode == _blendMode &&
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compare._numTimesX == _numTimesX &&
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compare._numTimesY == _numTimesY
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);
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}
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bool operator!=(const TransformStruct &compare) const {
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return !(compare == *this);
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}
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};
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} // End of namespace Graphics
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#endif
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