163 lines
4.6 KiB
C++
163 lines
4.6 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 NUVIE_SCREEN_SURFACE_H
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#define NUVIE_SCREEN_SURFACE_H
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#include "graphics/pixelformat.h"
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namespace Ultima {
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namespace Nuvie {
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class OpenGL;
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class RenderSurface {
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private:
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uint8 *buffer; // If the buffer is created, this is it
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uint16 *zbuffer_priv;
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Graphics::ManagedSurface *_rawSurface;
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DisposeAfterUse::Flag _disposeSurface;
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public:
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OpenGL *opengl; // OpenGL surface
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// Pixel Format (also see 'Colour shifting values' later)
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int bytes_per_pixel; // 2 or 4
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int bits_per_pixel; // 16 or 32
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int format_type; // 16, 555, 565, 32 or 888
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uint8 *pixels; // What we draw to
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uint16 *zbuffer; // Z Buffer
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uint32 colour32[256]; // Palette as 16/32 bit colours
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// Dimensions
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uint32 w, h; // Surface width and height
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uint32 pitch; // Surface pitch
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// Guardband
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uint32 gl, gr; // Guard left and right (left goes negetive)
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uint32 gt, gb; // Guard top and bottom (up goes negetive)
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uint32 lock_count; // Number of locks on surface
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public:
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// Default constructor for no created surface
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RenderSurface();
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// Constructor for custom buffer
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RenderSurface(uint32 width, uint32 height, uint32 bpp, uint8 *p);
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// Constructor for surface (with optional guardband)
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RenderSurface(uint32 width, uint32 height, uint32 bpp, sint32 gb = 0);
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// Constructor for sdl surface
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RenderSurface(Graphics::ManagedSurface *surf);
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// Constructor for opengl surface
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RenderSurface(OpenGL *ogl);
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// Destructor
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virtual ~RenderSurface();
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// Create a 16 Bit Z Buffer for this surface
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void create_zbuffer();
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// Set the buffer format from Graphics::PixelFormat
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void set_format(const Graphics::PixelFormat *format);
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// Set a custom 565 format
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void set_format565(int rsft = 11, int gsft = 5, int bsft = 0);
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// Set a custom 555 format
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void set_format555(int rsft = 10, int gsft = 5, int bsft = 0);
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// Set a custom 888 format
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void set_format888(int rsft = 16, int gsft = 8, int bsft = 0);
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// Get the pixel format
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const Graphics::PixelFormat &getFormat() const {
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return _rawSurface->format;
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}
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// Draw Lines
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void draw_line(int sx, int sy, int ex, int ey, unsigned char col);
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void draw_3d_line(int x, int y, int sx, int sy, int sz, int ex, int ey, int ez, unsigned char col);
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// Colour shifting values
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static uint8 Rloss;
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static uint8 Gloss;
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static uint8 Bloss;
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static uint8 Rloss16;
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static uint8 Gloss16;
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static uint8 Bloss16;
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static uint8 Rshift;
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static uint8 Gshift;
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static uint8 Bshift;
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static uint32 Rmask;
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static uint32 Gmask;
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static uint32 Bmask;
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//
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// Shape Painting
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//
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// Display a shape. Non translucent
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//virtual void display(Shape* s, int x, int y, FrameID frame) = 0;
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// Display a shape. Translucent
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// virtual void display_translucent(Shape* s, int x, int y, FrameID frame) = 0;
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// Display a shape. Flipped
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// virtual void display_flipped(Shape* s, int x, int y, FrameID frame, bool trans = false) = 0;
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//FIX virtual void display8(uint8 *buf, int x, int y) = 0;
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Graphics::ManagedSurface *get_sdl_surface();
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const unsigned char *get_pixels();
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static Graphics::ManagedSurface *createSurface(int w, int h,
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const Graphics::PixelFormat &format);
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private:
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// Draw Lines
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void draw_line16(int sx, int sy, int ex, int ey, unsigned char col);
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// Draw Lines
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void draw_line32(int sx, int sy, int ex, int ey, unsigned char col);
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};
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RenderSurface *CreateRenderSurface(uint32 width, uint32 height, uint32 bpp, uint8 *p);
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RenderSurface *CreateRenderSurface(uint32 width, uint32 height, uint32 bpp, sint32 gb = 0);
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RenderSurface *CreateRenderSurface(Graphics::ManagedSurface *surf);
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RenderSurface *CreateRenderSurface(OpenGL *ogl);
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} // End of namespace Nuvie
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} // End of namespace Ultima
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#endif
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