mirror of
https://github.com/gnif/LookingGlass.git
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129 lines
4.0 KiB
C
129 lines
4.0 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <SDL2/SDL.h>
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#include <SDL2/SDL_ttf.h>
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#define IS_LG_RENDERER_VALID(x) \
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((x)->get_name && \
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(x)->create && \
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(x)->initialize && \
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(x)->deinitialize && \
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(x)->on_resize && \
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(x)->on_mouse_shape && \
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(x)->on_mouse_event && \
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(x)->render)
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#define LGR_OPTION_COUNT(x) (sizeof(x) / sizeof(LG_RendererOpt))
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typedef bool(* LG_RendererOptValidator)(const char * value);
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typedef void(* LG_RendererOptHandler )(void * opaque, const char * value);
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typedef struct LG_RendererOpt
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{
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const char * name;
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const char * desc;
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LG_RendererOptValidator validator;
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LG_RendererOptHandler handler;
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}
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LG_RendererOpt;
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typedef struct LG_RendererOptValue
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{
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const LG_RendererOpt * opt;
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char * value;
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} LG_RendererOptValue;
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typedef LG_RendererOpt * LG_RendererOptions;
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typedef struct LG_RendererParams
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{
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TTF_Font * font;
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bool showFPS;
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}
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LG_RendererParams;
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typedef enum LG_RendererComp
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{
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LG_COMPRESSION_NONE,
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LG_COMPRESSION_H264
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}
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LG_RendererComp;
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typedef struct LG_RendererFormat
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{
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LG_RendererComp comp; // compression format
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unsigned int width; // image width
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unsigned int height; // image height
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unsigned int stride; // scanline width (zero if compresed)
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unsigned int pitch; // scanline bytes (or compressed size)
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unsigned int bpp; // bits per pixel (zero if compressed)
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}
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LG_RendererFormat;
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typedef struct LG_RendererRect
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{
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int x;
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int y;
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unsigned int w;
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unsigned int h;
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}
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LG_RendererRect;
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typedef enum LG_RendererCursor
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{
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LG_CURSOR_COLOR ,
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LG_CURSOR_MONOCHROME ,
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LG_CURSOR_MASKED_COLOR
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}
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LG_RendererCursor;
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typedef const char * (* LG_RendererGetName )();
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typedef bool (* LG_RendererCreate )(void ** opaque, const LG_RendererParams params);
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typedef bool (* LG_RendererInitialize )(void * opaque, Uint32 * sdlFlags);
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typedef void (* LG_RendererDeInitialize)(void * opaque);
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typedef void (* LG_RendererOnResize )(void * opaque, const int width, const int height, const LG_RendererRect destRect);
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typedef bool (* LG_RendererOnMouseShape)(void * opaque, const LG_RendererCursor cursor, const int width, const int height, const int pitch, const uint8_t * data);
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typedef bool (* LG_RendererOnMouseEvent)(void * opaque, const bool visible , const int x, const int y);
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typedef bool (* LG_RendererOnFrameEvent)(void * opaque, const LG_RendererFormat format, const uint8_t * data);
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typedef bool (* LG_RendererRender )(void * opaque, SDL_Window *window);
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typedef struct LG_Renderer
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{
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LG_RendererCreate create;
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LG_RendererGetName get_name;
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LG_RendererOptions options;
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unsigned int option_count;
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LG_RendererInitialize initialize;
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LG_RendererDeInitialize deinitialize;
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LG_RendererOnResize on_resize;
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LG_RendererOnMouseShape on_mouse_shape;
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LG_RendererOnMouseEvent on_mouse_event;
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LG_RendererOnFrameEvent on_frame_event;
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LG_RendererRender render;
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}
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LG_Renderer;
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// generic option helpers
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bool LG_RendererValidatorBool(const char * value);
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bool LG_RendererValueToBool (const char * value); |