videowindowgui.C

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#include "mbuttons.h"
#include "mwindow.h"
#include "mwindowgui.h"
#include "mainsession.h"
#include "videowindow.h"
#include "videowindowgui.h"



#define CROPHANDLE_W 10
#define CROPHANDLE_H 10

VideoWindowGUI::VideoWindowGUI(VideoWindow *thread, int w, int h)
 : BC_Window(PROGRAM_NAME ": Video out", 
        (int)BC_INFINITY,
        (int)BC_INFINITY,
        w, 
        h, 
        10, 
        10, 
        1, 
        1,
        1)
{
        this->thread = thread;
}

VideoWindowGUI::~VideoWindowGUI()
{
}

int VideoWindowGUI::create_objects()
{
        add_subwindow(canvas = new VideoWindowCanvas(this, get_w(), get_h()));
        update_title();
}


int VideoWindowGUI::keypress_event()
{
}

int VideoWindowGUI::resize_event(int w, int h)
{
//      int output_w = thread->mwindow->session->output_w;
//      int output_h = thread->mwindow->session->output_h;
//      int new_w, new_h, full_w, full_h;
// 
//      new_w = w;
//      new_h = h;
//      thread->get_full_sizes(full_w, full_h);
// 
//      if(labs(full_w - new_w) < 50)
//      {
//              new_w = full_w;
//              new_h = full_h;
//      }
//      else
//              thread->fix_size(new_w, new_h, w, thread->mwindow->get_aspect_ratio());
// 
//      if(new_w < 10) new_w = 10;
//      if(new_h < 10) new_h = 10;
//      w = thread->video_window_w = new_w;
//      h = new_h;
// 
//      resize_window(w, h);
//      canvas->reposition_window(0, 0, w, h);
//      update_title();
//      if(thread->video_cropping) canvas->draw_crop_box();
}

int VideoWindowGUI::update_title()
{
//      char string[1024];
// 
//      if(thread->mwindow->get_aspect_ratio() > (float)thread->mwindow->session->output_w / thread->mwindow->session->output_h)
//      {
//              sprintf(string, PROGRAM_NAME ": Video out %d%%", 
//                      (int)((float)thread->video_window_w / (thread->mwindow->session->output_h * thread->mwindow->get_aspect_ratio()) * 100 + 0.5));
//      }
//      else
//      {
//              sprintf(string, PROGRAM_NAME ": Video out %d%%", 
//                      (int)((float)thread->video_window_w / thread->mwindow->session->output_w * 100 + 0.5));
//      }
// 
//      set_title(string);
}

int VideoWindowGUI::close_event()
{
        thread->hide_window();
}


VideoWindowCanvas::VideoWindowCanvas(VideoWindowGUI *gui, int w, int h)
 : BC_SubWindow(0, 0, w, h, BLACK)
{
        this->gui = gui;
        corner_selected = 0;
        button_down = 0;
}

VideoWindowCanvas::~VideoWindowCanvas()
{
}

int VideoWindowCanvas::button_press()
{
        if(gui->thread->video_cropping)
        {
                int x = get_cursor_x();
                int y = get_cursor_y();
                button_down = 1;

                if(x > gui->x1 && y > gui->y1 && x < gui->x1 + CROPHANDLE_W && y < gui->y1 + CROPHANDLE_H)
                {
                        corner_selected = 1;
                        gui->x_offset = x - gui->x1;
                        gui->y_offset = y - gui->y1;
                }
                if(x > gui->x1 && y > gui->y2 - CROPHANDLE_H && x < gui->x1 + CROPHANDLE_W && y < gui->y2)
                {
                        corner_selected = 2;
                        gui->x_offset = x - gui->x1;
                        gui->y_offset = y - gui->y2;
                }
                if(x > gui->x2 - CROPHANDLE_W && y > gui->y2 - CROPHANDLE_H && x < gui->x2 && y < gui->y2)
                {
                        corner_selected = 3;
                        gui->x_offset = x - gui->x2;
                        gui->y_offset = y - gui->y2;
                }
                if(x > gui->x2 - CROPHANDLE_W && y > gui->y1 && x < gui->x2 && y < gui->y1 + CROPHANDLE_H)
                {
                        corner_selected = 4;
                        gui->x_offset = x - gui->x2;
                        gui->y_offset = y - gui->y1;
                }
        }
}

int VideoWindowCanvas::button_release()
{
        if(gui->thread->video_cropping && button_down)
        {
                button_down = 0;
                corner_selected = 0;
        }
}

int VideoWindowCanvas::cursor_motion()
{
        if(button_down && gui->thread->video_cropping && corner_selected)
        {
                int x = get_cursor_x();
                int y = get_cursor_y();
                draw_crop_box();

                switch(corner_selected)
                {
                        case 1:
                                gui->x1 = x - gui->x_offset;  gui->y1 = y - gui->y_offset;
                                break;
                        case 2:
                                gui->x1 = x - gui->x_offset;  gui->y2 = y - gui->y_offset;
                                break;
                        case 3:
                                gui->x2 = x - gui->x_offset;  gui->y2 = y - gui->y_offset;
                                break;
                        case 4:
                                gui->x2 = x - gui->x_offset;  gui->y1 = y - gui->y_offset;
                                break;
                };

                if(gui->x1 < 0) gui->x1 = 0;
                if(gui->y1 < 0) gui->y1 = 0;
                if(gui->x1 > get_w()) gui->x1 = get_w();
                if(gui->y1 > get_h()) gui->y1 = get_h();
                if(gui->x2 < 0) gui->x2 = 0;
                if(gui->y2 < 0) gui->y2 = 0;
                if(gui->x2 > get_w()) gui->x2 = get_w();
                if(gui->y2 > get_h()) gui->y2 = get_h();
                draw_crop_box();
                flash();
        }
}

int VideoWindowCanvas::draw_crop_box()
{
        int w = gui->x2 - gui->x1;
        int h = gui->y2 - gui->y1;

        set_inverse();
        set_color(WHITE);
        draw_box(gui->x1 + 1, gui->y1 + 1, CROPHANDLE_W - 1, CROPHANDLE_H - 1);
        draw_box(gui->x1 + 1, gui->y2 - CROPHANDLE_H, CROPHANDLE_W - 1, CROPHANDLE_H);
        draw_box(gui->x2 - CROPHANDLE_W, gui->y2 - CROPHANDLE_H, CROPHANDLE_W, CROPHANDLE_H);
        draw_box(gui->x2 - CROPHANDLE_W, gui->y1 + 1, CROPHANDLE_W, CROPHANDLE_H - 1);
        draw_rectangle(gui->x1, gui->y1, w, h);
        set_opaque();
}

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