[client] project restructure part 1/2

client/include/interface/renderer.h

@@ -0,0 +1,143 @@
+/*
+Looking Glass - KVM FrameRelay (KVMFR) Client
+Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#pragma once
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_ttf.h>
+
+#include "KVMFR.h"
+
+#define IS_LG_RENDERER_VALID(x) \
+  ((x)->get_name       && \
+   (x)->create         && \
+   (x)->initialize     && \
+   (x)->deinitialize   && \
+   (x)->on_resize      && \
+   (x)->on_mouse_shape && \
+   (x)->on_mouse_event && \
+   (x)->on_alert       && \
+   (x)->render_startup && \
+   (x)->render         && \
+   (x)->update_fps)
+
+#define LGR_OPTION_COUNT(x) (sizeof(x) / sizeof(LG_RendererOpt))
+
+typedef bool(* LG_RendererOptValidator)(const char * value);
+typedef void(* LG_RendererOptHandler  )(void * opaque, const char * value);
+
+typedef struct LG_RendererOpt
+{
+  const char              * name;
+  const char              * desc;
+  LG_RendererOptValidator   validator;
+  LG_RendererOptHandler     handler;
+}
+LG_RendererOpt;
+
+typedef struct LG_RendererOptValue
+{
+  const LG_RendererOpt * opt;
+  char                 * value;
+} LG_RendererOptValue;
+
+typedef LG_RendererOpt * LG_RendererOptions;
+
+typedef struct LG_RendererParams
+{
+//  TTF_Font * font;
+//  TTF_Font * alertFont;
+  bool       showFPS;
+}
+LG_RendererParams;
+
+typedef struct LG_RendererFormat
+{
+  FrameType    type;    // frame type
+  unsigned int width;   // image width
+  unsigned int height;  // image height
+  unsigned int stride;  // scanline width (zero if compresed)
+  unsigned int pitch;   // scanline bytes (or compressed size)
+  unsigned int bpp;     // bits per pixel (zero if compressed)
+}
+LG_RendererFormat;
+
+typedef struct LG_RendererRect
+{
+  bool         valid;
+  int          x;
+  int          y;
+  unsigned int w;
+  unsigned int h;
+}
+LG_RendererRect;
+
+typedef enum LG_RendererCursor
+{
+  LG_CURSOR_COLOR       ,
+  LG_CURSOR_MONOCHROME  ,
+  LG_CURSOR_MASKED_COLOR
+}
+LG_RendererCursor;
+
+typedef enum LG_RendererOnAlert
+{
+  LG_ALERT_INFO   ,
+  LG_ALERT_SUCCESS,
+  LG_ALERT_WARNING,
+  LG_ALERT_ERROR
+}
+LG_RendererAlert;
+
+typedef const char * (* LG_RendererGetName     )();
+typedef bool         (* LG_RendererCreate      )(void ** opaque, const LG_RendererParams params);
+typedef bool         (* LG_RendererInitialize  )(void * opaque, Uint32 * sdlFlags);
+typedef void         (* LG_RendererDeInitialize)(void * opaque);
+typedef void         (* LG_RendererOnResize    )(void * opaque, const int width, const int height, const LG_RendererRect destRect);
+typedef bool         (* LG_RendererOnMouseShape)(void * opaque, const LG_RendererCursor cursor, const int width, const int height, const int pitch, const uint8_t * data);
+typedef bool         (* LG_RendererOnMouseEvent)(void * opaque, const bool visible , const int x, const int y);
+typedef bool         (* LG_RendererOnFrameEvent)(void * opaque, const LG_RendererFormat format, const uint8_t * data);
+typedef void         (* LG_RendererOnAlert     )(void * opaque, const LG_RendererAlert alert, const char * message, bool ** closeFlag);
+typedef bool         (* LG_RendererRender      )(void * opaque, SDL_Window *window);
+typedef void         (* LG_RendererUpdateFPS   )(void * opaque, const float avgUPS, const float avgFPS);
+
+typedef struct LG_Renderer
+{
+  LG_RendererCreate       create;
+  LG_RendererGetName      get_name;
+  LG_RendererOptions      options;
+  unsigned int            option_count;
+  LG_RendererInitialize   initialize;
+  LG_RendererDeInitialize deinitialize;
+  LG_RendererOnResize     on_resize;
+  LG_RendererOnMouseShape on_mouse_shape;
+  LG_RendererOnMouseEvent on_mouse_event;
+  LG_RendererOnFrameEvent on_frame_event;
+  LG_RendererOnAlert      on_alert;
+  LG_RendererRender       render_startup;
+  LG_RendererRender       render;
+  LG_RendererUpdateFPS    update_fps;
+}
+LG_Renderer;
+
+// generic option helpers
+bool LG_RendererValidatorBool(const char * value);
+bool LG_RendererValueToBool  (const char * value);