pre-alpha (works only with FLI)

imageview.h

@@ -0,0 +1,91 @@
+/*
+ * imageview.h
+ *
+ * Copyright 2015 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#pragma once
+#ifndef __BMPVIEW_H__
+#define __BMPVIEW_H__
+
+#include <math.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include "ccdfunc.h"
+#include "events.h"
+
+typedef struct{
+    GLubyte *rawdata;  // raw image data
+    int w;             // size of image
+    int h;
+    int changed;       // == 1 if data was changed outside (to redraw)
+} rawimage;
+
+// events from menu:
+// temporaly stop capture of regular sequence
+#define WINEVT_PAUSE        (1<<0)
+// capture one image in pause mode
+#define WINEVT_GETIMAGE     (1<<1)
+// save current image
+#define WINEVT_SAVEIMAGE    (1<<2)
+// change color palette function
+#define WINEVT_ROLLCOLORFUN (1<<3)
+
+// flip image
+#define WIN_FLIP_LR         (1<<0)
+#define WIN_FLIP_UD         (1<<1)
+
+typedef struct{
+    int ID;             // identificator of OpenGL window
+    char *title;        // title of window
+    GLuint Tex;         // texture for image inside window
+    rawimage *image;    // raw image data
+    int w; int h;       // window size
+    float x; float y;   // image offset coordinates
+    float x0; float y0; // center of window for coords conversion
+    float zoom;         // zoom aspect
+    float Daspect;      // aspect ratio between image & window sizes
+    int menu;           // window menu identifier
+    uint32_t winevt;    // window menu events
+    uint8_t flip;       // flipping settings
+    pthread_t thread;   // identificator of thread that changes window data
+    pthread_mutex_t mutex;// mutex for operations with image
+    int killthread;     // flag for killing data changing thread & also signal that there's no threads
+} windowData;
+
+typedef enum{
+    INNER,
+    OPENGL
+} winIdType;
+
+void imageview_init();
+windowData *createGLwin(char *title, int w, int h, rawimage *rawdata);
+windowData *getWin();
+int  killwindow();
+void renderBitmapString(float x, float y, void *font, char *string, GLubyte *color);
+void clear_GL_context();
+
+void calc_win_props(GLfloat *Wortho, GLfloat *Hortho);
+
+void conv_mouse_to_image_coords(int x, int y, float *X, float *Y, windowData *window);
+void conv_image_to_mouse_coords(float X, float Y, int *x, int *y, windowData *window);
+
+void* image_thread(void *data);
+void change_displayed_image(windowData *win, IMG *img);
+#endif // __BMPVIEW_H__