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124 lines
4.1 KiB
C++
124 lines
4.1 KiB
C++
/* ResidualVM - A 3D game interpreter
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*
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* ResidualVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the AUTHORS
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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_TINYGL_ZBLIT_H_
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#define GRAPHICS_TINYGL_ZBLIT_H_
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#include "graphics/surface.h"
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#include "common/rect.h"
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namespace Graphics {
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struct BlitTransform {
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BlitTransform(int dstX, int dstY) : _rotation(0), _originX(0), _originY(0), _aTint(1.0f),
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_rTint(1.0f), _gTint(1.0f), _bTint(1.0), _flipHorizontally(false),
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_flipVertically(false) {
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_destinationRectangle.translate(dstX,dstY);
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}
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void sourceRectangle(int srcX, int srcY, int srcWidth, int srcHeight) {
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_sourceRectangle.left = srcX;
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_sourceRectangle.top = srcY;
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_sourceRectangle.setWidth(srcWidth);
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_sourceRectangle.setHeight(srcHeight);
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}
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void tint(float aTint, float rTint = 1.0f, float gTint = 1.0f, float bTint = 1.0f) {
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_aTint = aTint;
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_rTint = rTint;
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_gTint = gTint;
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_bTint = bTint;
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}
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void scale(int width, int height) {
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_destinationRectangle.setWidth(width);
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_destinationRectangle.setHeight(height);
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}
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void rotate(int rotation, int originX, int originY) {
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_rotation = rotation;
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_originX = originX;
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_originY = originY;
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}
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void flip(bool verticalFlip, bool horizontalFlip) {
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_flipVertically = verticalFlip;
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_flipHorizontally = horizontalFlip;
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}
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bool operator==(const BlitTransform &other) const {
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return _sourceRectangle == other._sourceRectangle && _destinationRectangle == other._destinationRectangle &&
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_rotation == other._rotation && _originX == other._originX && _originY == other._originY &&
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_aTint == other._aTint && _rTint == other._rTint && _gTint == other._gTint && _bTint == other._bTint &&
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_flipHorizontally == other._flipHorizontally && _flipVertically == other._flipVertically;
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}
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Common::Rect _sourceRectangle;
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Common::Rect _destinationRectangle;
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int _rotation;
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int _originX, _originY;
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float _aTint, _rTint, _gTint, _bTint;
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bool _flipHorizontally, _flipVertically;
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};
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struct BlitImage;
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BlitImage *tglGenBlitImage();
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void tglUploadBlitImage(BlitImage *blitImage, const Graphics::Surface &surface, uint32 colorKey, bool applyColorKey);
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void tglDeleteBlitImage(BlitImage *blitImage);
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void tglGetBlitImageSize(BlitImage *blitImage, int &width, int &height);
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int tglGetBlitImageVersion(BlitImage *blitImage);
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void tglBlit(BlitImage *blitImage, const BlitTransform &transform);
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void tglBlit(BlitImage *blitImage, int x, int y);
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// Disables blending explicitly.
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void tglBlitNoBlend(BlitImage *blitImage, const BlitTransform &transform);
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// Disables blending, transforms and tinting.
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void tglBlitFast(BlitImage *blitImage, int x, int y);
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// Blits onto the zbuffer
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void tglBlitZBuffer(BlitImage *blitImage, int x, int y);
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namespace Internal {
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void tglCleanupImages(); // This function checks if any blit image is to be cleaned up and deletes it.
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void tglBlit(BlitImage *blitImage, const BlitTransform &transform);
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// Disables blending explicitly.
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void tglBlitNoBlend(BlitImage *blitImage, const BlitTransform &transform);
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// Disables blending, transforms and tinting.
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void tglBlitFast(BlitImage *blitImage, int x, int y);
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void tglBlitZBuffer(BlitImage *blitImage, int x, int y);
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// Setup a clipping rectangle for blits.
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void tglBlitScissorRect(int left, int top, int right, int bottom);
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} // end of namespace Internal
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} // end of namespace Graphics
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#endif // GRAPHICS_TINYGL_ZBLIT_H_
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