86 lines
2.3 KiB
C++
86 lines
2.3 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef STARK_GFX_SURFACE_RENDERER_H
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#define STARK_GFX_SURFACE_RENDERER_H
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#include "common/rect.h"
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namespace Stark {
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namespace Gfx {
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class Bitmap;
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struct Color;
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/**
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* A renderer to draw textures as two dimensional surfaces to the current viewport
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*/
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class SurfaceRenderer {
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public:
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SurfaceRenderer();
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virtual ~SurfaceRenderer();
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/**
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* Draw a 2D surface from the specified bitmap
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*/
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virtual void render(const Bitmap *bitmap, const Common::Point &dest) = 0;
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/**
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* Draw a 2D surface from the specified bitmap with given width and height
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*/
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virtual void render(const Bitmap *bitmap, const Common::Point &dest, uint width, uint height) = 0;
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/**
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* Draw a filled 2D rectangle using the specified color
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*/
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virtual void fill(const Color &color, const Common::Point &dest, uint width, uint height) = 0;
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/**
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* When this is set to true, the texture size is expected to be in current
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* coordinates, and is to be drawn without scaling.
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*
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* This setting does not affect the destination point coordinates
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*/
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void setNoScalingOverride(bool noScalingOverride);
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/**
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* The fade level is added to the color value of each pixel
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*
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* It is a value between -1 and 1
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*/
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void setFadeLevel(float fadeLevel);
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/**
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* Align vertex coordinates to the native pixel grid
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*/
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void setSnapToGrid(bool snapToGrid);
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protected:
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bool _noScalingOverride;
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float _fadeLevel;
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bool _snapToGrid;
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};
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} // End of namespace Gfx
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} // End of namespace Stark
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#endif // STARK_GFX_SURFACE_RENDERER_H
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