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#include <gtk/gtk.h>
#include "gtk-meta.h"
#ifdef USE_IMLIB
#include <gdk_imlib.h>
#else
#include <gdk-pixbuf/gdk-pixbuf.h>
#endif
#include "mag.h"
#include "main.h"
#include "utils.h"
#include "colors.h"
#include "mesh-gtk.h"
#include "interface.h"
#include "settings.h"
#include "support.h"
#include "callbacks.h"
/*********************** mag window *****************************/
gint mag_width=0, mag_height=0;
double mag_zoom=3;
GtkWidget *mag_window=NULL;;
gboolean mag_tracking=TRUE;
GdkPixmap *mag_pixmap=0;
GdkPixbuf *mag_pixbuf=0;
GtkWidget *mag_area=NULL;
GtkLabel *mag_label=NULL;
void mag_draw()
{
if(!mag_area) return ;
gtk_widget_draw(mag_area,NULL);
}
gint mag_x=0, mag_y=0, mag_source=MAIN_WIN;
gint mag_ox=0, mag_oy=0;
void mag_pix()
{
GdkPixbuf **src_p;
src_p=which_pixbuf_is_visible(mag_source);
mag_ox=(-(mag_x)*mag_zoom+mag_width/2);
mag_oy=(-(mag_y)*mag_zoom+mag_height/2);
if(!*src_p) return;
gdk_pixbuf_scale(*src_p,//const GdkPixbuf *src,
mag_pixbuf,//GdkPixbuf *dest,
0,0,//int dest_x, int dest_y,
mag_width,//int dest_width,
mag_height,//int dest_height,
mag_ox,//double offset_x,
mag_oy,//double offset_y,
mag_zoom,//double scale_x,
mag_zoom,//double scale_y,
GDK_INTERP_BILINEAR); //GdkInterpType interp_type);
mag_draw();
}
void mag_xy_track(int i, int x, int y)
{
//g_debug("mag at %d %d",x,y);
if(!mag_area) return ;
if( mag_source!=i)
{char s[30];sprintf(s,"%d",i);
gtk_label_set_text (mag_label,s);
}
mag_source=i;
mag_x=x;
mag_y=y;
if(sp->im_editview[i]==EDITVIEW_EDIT ) {
mag_x-= PIXEDITBORDER;
mag_y-= PIXEDITBORDER;
}
mag_pix();
gtk_widget_draw(mag_area,NULL);
}
gboolean mag_start_track(int i, GdkEventButton *event)
{
if(!mag_area) return FALSE;
mag_xy_track(i,event->x,event->y);
return TRUE;
}
void mag_track(gint i,GdkEventMotion *event)
{
GdkModifierType state=event->state;;
if(!mag_area) return;
if(mag_tracking) {
if (event->is_hint)
gdk_window_get_pointer (event->window, &mag_x, &mag_y, &state);
else {
mag_x=event->x;
mag_y=event->y;
}
mag_xy_track(i,mag_x,mag_y);
}
}
void
on_mag_spinbutton_activate (
#if GTK_MAJOR_VERSION >= 2
GtkEntry *entry,
#else
GtkEditable *entry,
#endif
gpointer user_data)
{
mag_zoom=gtk_spin_button_get_value_as_float(GTK_SPIN_BUTTON(entry))/100.;
mag_pix();
}
void
on_mag_spinbutton_changed (GtkEditable *editable,
gpointer user_data)
{
mag_zoom=gtk_spin_button_get_value_as_float(GTK_SPIN_BUTTON(editable))/100.;
mag_pix();
}
void
on_mag_track_toggled (GtkToggleButton *togglebutton,
gpointer user_data)
{
mag_tracking=gtk_toggle_button_get_active(togglebutton);
}
gboolean
on_mag_drawingarea_configure_event (GtkWidget *widget,
GdkEventConfigure *event,
gpointer user_data)
{
mag_width=event->width;
mag_height=event->height;
mag_area=widget;
if(mag_pixbuf) gdk_pixbuf_unref(mag_pixbuf);
mag_pixbuf=gdk_pixbuf_new(GDK_COLORSPACE_RGB,TRUE,8,mag_width,mag_height);
if(mag_source>0 && mag_area)
mag_pix();
return TRUE;
}
gboolean
on_mag_drawingarea_expose_event (GtkWidget *widget,
GdkEventExpose *event,
gpointer user_data)
{
int i=mag_source;
g_return_val_if_fail(i > 0,FALSE);
//if ( ! mpl_gc) allocate_colors( widget );
gdk_gc_set_clip_rectangle (widget->style->fg_gc[widget->state],
&event->area);
gdk_pixbuf_render_to_drawable
( mag_pixbuf,widget->window,
sp->im_widget[MAIN_WIN]->style->black_gc, //GdkGC *gc,
0, //int src_x,
0, //int src_y,
0, //int dest_x,
0, //int dest_y,
mag_width,mag_height, //width, height,
GDK_RGB_DITHER_NORMAL,//GdkRgbDither dither,
0, //int x_dither,
0 ); //int y_dither);
{
//FIXME the subimage selection is wrong!
//double *c=matrix_for_image(i),b[6];
//FIXME the following should be a multiplication
double a[6]={mag_zoom,0,mag_ox,
0,mag_zoom,mag_oy };
if(i!=MAIN_WIN)
gdk_draw_mesh(widget->window,
image_settings_get_value("view original mesh",i),
mpl_gc ,
(image_settings_get_value("view original points",i))?
features_max_n:0,
features_gc,
0,//image_settings_get_value("view original features",i),
&(sp->im_mesh[i]),a);// MeshT *mesh,
//mag_height,mag_width, a );
gdk_draw_mesh(widget->window,
image_settings_get_value("view warped mesh",i),
widget->style->white_gc ,
(image_settings_get_value("view warped points",i))?
features_max_n:0,
features_gc,
0,//image_settings_get_value("view warped features",i),
&(sp->im_mesh[MAIN_WIN]),a);// MeshT *mesh,
// mag_height,mag_width, a );
if( sp->im_mesh_diff[i])
gdk_draw_mesh_as_arrows( widget->window, widget->style->white_gc ,
sp->im_mesh_diff[i],
&(sp->im_mesh[i]),
sp->im_mesh_diff_is_difference_mesh[i],
a);
}
if(mag_tracking) {
gdk_draw_line (widget->window,
widget->style->white_gc ,
mag_width/2, mag_height/2,
mag_width/2+10,
mag_height/2+10);
gdk_draw_line (widget->window,
widget->style->white_gc ,
mag_width/2, mag_height/2,
mag_width/2+5,
mag_height/2+2);
gdk_draw_line (widget->window,
widget->style->white_gc ,
mag_width/2, mag_height/2,
mag_width/2+2,
mag_height/2+5);
}
return FALSE;
}
void
on_show_mag_activate (GtkMenuItem *menuitem,
gpointer user_data)
{
if(!mag_area)
create_mag_();
}
void
on_mag_unrealize (GtkWidget *widget,
gpointer user_data)
{
mag_label=0; mag_area=mag_window=0;
}
void create_mag_()
{
mag_window= create_mag();
mag_label=GTK_LABEL(lookup_widget(mag_window,"mag_label"));
gtk_widget_show(mag_window);
}
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