Visocor: Color Blind Compiz Plugin Code

--- a
+++ b/visocor.h
@@ -0,0 +1,174 @@
+
+/*----------------------------------------------------------------------------*\
+ | Copyright (C) 2009 - Rafael de O. Lopes Gonçalves and André Shoji Asato    |
+ | 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.                                                            |
+ |                                                                            |
+ | 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.|
+\*----------------------------------------------------------------------------*/
+
+#ifndef VISOCOR_H
+#define VISOCOR_H
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#include <compiz-core.h>
+#include <compiz-mousepoll.h>
+#include "visocor_options.h"
+
+
+
+
+
+
+#define  PLUGIN_NAME "VISOCOR"
+
+
+extern int visocorDisplayPrivateIndex;
+extern int visocorCorePrivateIndex;
+
+
+#define GET_VISOCOR_CORE(c) \
+    ((VISOCORCore *) (c)->base.privates[visocorCorePrivateIndex].ptr)
+#define VISOCOR_CORE(c) \
+    VISOCORCore *vc = GET_VISOCOR_CORE (c)
+#define GET_VISOCOR_DISPLAY(d) \
+    ((VISOCORDisplay *) (d)->base.privates[visocorDisplayPrivateIndex].ptr)
+#define VISOCOR_DISPLAY(d) \
+    VISOCORDisplay *vd = GET_VISOCOR_DISPLAY (d)
+#define GET_VISOCOR_SCREEN(s, vd) \
+    ((VISOCORScreen *) (s)->base.privates[(vd)->screenPrivateIndex].ptr)
+#define VISOCOR_SCREEN(s) \
+    VISOCORScreen *vs = GET_VISOCOR_SCREEN (s, GET_VISOCOR_DISPLAY (s->display))
+#define GET_VISOCOR_WINDOW(w, vs) \
+    ((VISOCORWindow *) (w)->base.privates[(vs)->windowPrivateIndex].ptr)
+#define VISOCOR_WINDOW(w) \
+    VISOCORWindow *vw = GET_VISOCOR_WINDOW  (w, \
+            GET_VISOCOR_SCREEN  (w->screen, \
+                GET_VISOCOR_DISPLAY (w->screen->display)))
+
+
+
+
+typedef struct _VISOCORCore {
+	ObjectAddProc objectAdd;
+} VISOCORCore;
+
+typedef struct _VISOCORDisplay {
+	int screenPrivateIndex;
+	MousePollFunc *mousepollFunc;
+} VISOCORDisplay;
+
+typedef struct _VISOCORSCreen {
+	int windowPrivateIndex;
+
+	PreparePaintScreenProc preparePaintScreen;
+	DonePaintScreenProc donePaintScreen;
+	DrawWindowTextureProc drawWindowTexture;
+
+
+	int filterIntensity;
+	float ir;
+	float ig;
+	float ib;
+
+	int visocorFunctions[2][MAX_FRAGMENT_FUNCTIONS];
+
+	Bool isMousepollActive;
+	int mousePosX;
+	int mousePosY;
+	float mouse_pixel[3];
+
+	PositionPollingHandle pollHandle;
+} VISOCORScreen;
+
+
+typedef enum _VisocorWindowState{
+	FILTER = 0,
+	SLICE = 1 ,
+	OFF
+}VisocorWindowState;
+
+
+typedef struct _VISOCORWindow {
+	VisocorWindowState lastState;
+	VisocorWindowState currentState;
+
+} VISOCORWindow;
+
+
+/* ********************************************************************************************** */
+/*visocor.c*/
+void visocorPrintf(CompLogLevel level,const char *fmt, ...);
+
+/**
+ * Muda o estado da janela.
+ */
+void visocorToggleWindowToState(CompWindow * w,  VisocorWindowState state);
+
+
+void visocorDamageAllWindows(CompScreen * s);
+
+
+CompScreen * visocorFindScreen(CompDisplay * d, CompOption * option, int nOption);
+
+CompWindow * visocorFindWindow(CompDisplay * d, CompOption * option, int nOption);
+
+/* ********************************************************************************************** */
+/*filter.c*/
+#define N_FILTER_VARIATIONS 32
+
+Bool visocorToggleFilter(CompDisplay * d, CompAction * action,
+		CompActionState state, CompOption * option, int nOption);
+
+Bool visocorDecreaseFilter(CompDisplay * d, CompAction * action,
+		CompActionState state, CompOption * option, int nOption);
+
+Bool visocorIncreaseFilter(CompDisplay * d, CompAction * action,
+		CompActionState state, CompOption * option, int nOption);
+
+
+int getVisocorFilterFragmentFunction( CompScreen * s, CompTexture * texture,
+		int param);
+
+void visocorResetFilter(VISOCORScreen * vs);
+
+/* ********************************************************************************************** */
+/*slicer.c*/
+#define MAX_DISTANCE_R 6.666
+#define MAX_DISTANCE_G 6.666
+#define MAX_DISTANCE_B 2
+
+void visocorMousepollPositionUpdate(CompScreen *s, int x, int y);
+
+
+
+Bool visocorMousepollClickKeyInitiateSlice(CompDisplay *d,
+		CompAction *action, CompActionState state, CompOption *option,
+		int nOption);
+
+
+
+Bool visocorMousepollClickKeyTerminateSlice(CompDisplay *d,
+		CompAction *action, CompActionState state, CompOption *option,
+		int nOption);
+
+int getVisocorSlicerFragmentFunction(CompScreen * s, CompTexture * texture,
+		int param);
+
+
+/* ********************************************************************************************** */
+#endif