--- /dev/null
+#!/bin/bash
+
+# generate-zooming-video - make a video from a big picture zooming datails
+# Copyright (C) 2008 Aurélio A. Heckert
+#
+# 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 3 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.
+
+# Version 0.1
+
+# Collect all args and create local variables:
+for arg in "$@"; do
+ if ( echo -n $arg | grep -q '^--.*=' ); then
+ key="$( echo -n "$arg" |
+ sed 's/^--\([^=]*\)=.*$/\1/; s/[^a-zA-Z0-9]/_/' )"
+ val="$( echo -n "$arg" |
+ sed 's/^--\([^=]*\)=\(.*\)$/\2/' )"
+ eval "$key=\"$val\""
+ fi
+ if ( echo -n $arg | grep -q '^--[^=]\+$' ); then
+ key="$( echo -n "$arg" |
+ sed 's/^--\(.*\)$/\1/; s/[^a-zA-Z0-9]/_/' )"
+ eval "$key=true"
+ fi
+done
+
+if ! test -e "$pic"; then
+ echo "Picture missed" >&2
+ exit 1
+fi
+
+eval "$( identify -format 'pic_w=%w\npic_h=%h' "$pic" )"
+
+if ! test -e "$data_file"; then
+ echo "Data file missed" >&2
+ exit 1
+fi
+
+[ "$video_size" = "" ] && video_size=400x300
+video_w=$( echo $video_size | sed 's/^\([0-9]*\)x.*$/\1/' )
+video_h=$( echo $video_size | sed 's/^.*x\([0-9]*\)$/\1/' )
+if [ "$video_w" = "" -o "$video_h" = "" ]; then
+ echo "Video size missed" >&2
+ exit 1
+fi
+
+output="$output_video"
+replace_output="$replace_output_video"
+if [ "$output" = "" ]; then
+ echo "Output video file missed" >&2
+ exit 1
+fi
+
+if test -e "$output" -a "$replace_output" != "true"; then
+ echo -n "Replace \"$output\"? [y,n] "
+ read -sn 1 resp
+ resp=$( echo "$resp" | tr y Y )
+ test "$resp" != "Y" && resp=N
+ echo $resp
+ if [ $resp = N ]; then
+ echo "So, please, restart with a new name."
+ exit 0
+ fi
+fi
+
+function calc() {
+ echo "$@" | bc -l | sed 's/^\(-\?\)\./\10./; s/^$/0/'
+}
+
+function round() {
+ calc "$@" | sed 's/\..*$//'
+}
+
+function test_calc() {
+ r=$( calc "$1" )
+ if [ "$r" = "$2" ]; then
+ err=Ok
+ else
+ err=Error
+ fi
+ echo "$1 = $2 ($err) => $( round "$@" )"
+}
+#test_calc '0 + 0'
+#test_calc '0 + 1'
+#test_calc '3 / 98700000'
+#test_calc '0.102030'
+#test_calc '80 * 2'
+#test_calc '80.8 * 2'
+#test_calc '-123'
+#test_calc '-.123'
+#test_calc '-.0123' '-0.0123'
+#test_calc '010 + 1' 11
+#test_calc '0010 + 1' 11
+
+function beault_num() {
+ sed 's/\.\(.*[^0]\)\?0*$/.\1/; s/\.$//'
+}
+
+# Video Size Delta:
+vsd=$( calc "$video_h / $video_w" | beault_num )
+
+[ "$zoom_out_pct" = "" ] && zoom_out_pct=50
+zoom_out_pct=$( calc "$zoom_out_pct / 100" )
+
+# Zoom Out Size:
+if [ "$zow" = "" -o "$zoh" = "" ]; then
+ zoh=$( round "$pic_h * $zoom_out_pct" )
+ zow=$( round "$zoh / $vsd" )
+ if [ $zow -gt $( round "$pic_w * $zoom_out_pct" ) ]; then
+ zow=$( round "$pic_w * $zoom_out_pct" )
+ zoh=$( round "$zow * $vsd" )
+ fi
+fi
+
+[ "$frames_stoped" = "" ] && frames_stoped=20
+[ "$frames_moveing" = "" ] && frames_moveing=10
+
+echo "Video configuration:
+ Picture: $pic
+ Pic Size: w:$pic_w h:$pic_h
+ Zoom Out Size: w:$zow h:$zoh
+ Frames in Detail: $frames_stoped
+ Frames Moving: $frames_moveing
+ Data file: $data_file
+ Output video: $output
+ Output Size: w:${video_w} h:${video_h} delta:$vsd
+"
+
+work_dir=$( mktemp -d )
+
+cat "$data_file" | ( # start frame generator loop
+
+f=0
+old_x=$( round "$pic_w / 2" )
+old_y=$( round "$pic_h / 2" )
+
+oldz_h=$pic_h
+oldz_w=$( round "$oldz_h / $vsd" )
+if [ $oldz_w -gt $pic_w ]; then
+ oldz_w=$pic_w
+ oldz_h=$( round "$oldz_w * $vsd" )
+fi
+
+# Variables:
+# Generated with Linear function:
+# step : Frame Step (Natural Numbers)
+# sm_# : Step Moving in Frame Step (0..1 scale)
+# Generated with Sigmoid function:
+# szo_# : Step Old Zoom in Frame Step (0..1 scale)
+# szn_# : Step New Zoom in Frame Step (0..1 scale)
+
+eval "$( perl -e "
+ \$e=2.7182818284;
+ for ( \$step=0; \$step<=$frames_moveing; \$step++ ) {
+ \$sm = \$step / $frames_moveing;
+ \$szo = \$e**(-(\$sm-0.25)*20) / ( 1 + ( \$e**(-(\$sm-0.25)*20) ) );
+ \$szo = 1 if \$sm == 0;
+ \$szo = 0 if \$sm >= 0.5;
+ \$szn = \$e**((\$sm-0.75)*20) / ( 1 + ( \$e**((\$sm-0.75)*20) ) );
+ \$szn = 1 if \$sm == 1;
+ \$szn = 0 if \$sm <= 0.5;
+ print \"sm_\$step=\$sm \t; szo_\$step=\$szo \t; szn_\$step=\$szn\n\"
+ }
+" )"
+
+frame=0
+
+function move_camera() {
+ mid_step=$( round "$frames_moveing / 2" )
+ for step in $( seq 0 $frames_moveing ); do
+ let frame++
+ eval "sm=\$sm_$step ; szo=\$szo_$step ; szn=\$szn_$step"
+ if [ $step -le $mid_step ]; then
+ zw=$( calc "( $oldz_w * $szo ) + ( $zow * (1-$szo) )" )
+ zh=$( calc "( $oldz_h * $szo ) + ( $zoh * (1-$szo) )" )
+ else
+ zw=$( calc "( $zow * (1-$szn) ) + ( $zoom_w * $szn )" )
+ zh=$( calc "( $zoh * (1-$szn) ) + ( $zoom_h * $szn )" )
+ fi
+ x=$( calc "( $old_x * (1-$sm) ) + ( $goto_x * $sm )" | beault_num )
+ y=$( calc "( $old_y * (1-$sm) ) + ( $goto_y * $sm )" | beault_num )
+ x1=$( round "$x - ( $zw / 2 )" )
+ x2=$( round "$x + ( $zw / 2 )" )
+ y1=$( round "$y - ( $zh / 2 )" )
+ y2=$( round "$y + ( $zh / 2 )" )
+ echo -e " frame:$frame \tstep:$step \tsm:$sm \tx:$x \ty:$y"
+ #echo -e " szo:$szo \tszn:$szn \tzw=$zw \tzh=$zh"
+ echo -e " x1=$x1 \t x2=$x2 \t y1=$y1 \t y2=$y2"
+ if [ $x1 -lt 0 ]; then
+ x2=$(( $x2 - $x1 ))
+ x1=0
+ fi
+ if [ $x2 -gt $pic_w ]; then
+ x1=$(( $x1 - ( $x2 - $pic_w ) ))
+ x2=$pic_w
+ fi
+ if [ $y1 -lt 0 ]; then
+ y2=$(( $y2 - $y1 ))
+ y1=0
+ fi
+ if [ $y2 -gt $pic_h ]; then
+ y1=$(( $y1 - ( $y2 - $pic_h ) ))
+ y2=$pic_h
+ fi
+ echo -e " x1=$x1 \t x2=$x2 \t y1=$y1 \t y2=$y2"
+ convert "$pic" \
+ -crop $( round $zw )x$( round $zh )+$( round $x1 )+$( round $y1 ) \
+ +repage -resize "${video_w}x${video_h}!" \
+ -quality 100 $work_dir/f_$frame.jpg
+ done
+}
+
+while read line; do
+ eval "$( echo "$line" | sed "s/'/\´/g; s/^\([^\s]*\),\([^\s]*\) \([^\s]*\) \(.*\)$/goto_x='\1'\ngoto_y='\2'\nzoom_w='\3'\nname='\4'/" )" #'
+ zoom_h=$( round "$zoom_w * $vsd" )
+ echo "Zooming $name (${old_x},${old_y}:${oldz_w}x${oldz_h} -> ${goto_x},${goto_y}:${zoom_w}x${zoom_h})"
+ move_camera
+ last_frame=$frame
+ for step in $( seq 2 $frames_stoped ); do
+ let frame++
+ # copy the frame
+ cp $work_dir/f_$last_frame.jpg $work_dir/f_$frame.jpg
+ done
+ echo ""
+ old_x=$goto_x
+ old_y=$goto_y
+ oldz_w=$zoom_w
+ oldz_h=$zoom_h
+done
+
+goto_x=$( round "$pic_w / 2" )
+goto_y=$( round "$pic_h / 2" )
+zoom_h=$pic_h
+zoom_w=$( round "$zoom_h / $vsd" )
+if [ $zoom_w -gt $zoom_w ]; then
+ zoom_w=$pic_w
+ zoom_h=$( round "$zoom_w * $vsd" )
+fi
+echo "Zooming The End (${old_x},${old_y}:${oldz_w}x${oldz_h} -> ${goto_x},${goto_y}:${zoom_w}x${zoom_h})"
+move_camera
+
+) # end frame generator loop
+
+echo "Generating the movie..."
+
+rm "$output" >&2
+if ffmpeg -i "$work_dir/f_%d.jpg" "$output"; then
+ echo " Done: $output"
+ vlc "$output"
+else
+ echo Ups...
+fi
+
+rm -r $work_dir
+
--- /dev/null
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE glade-interface SYSTEM "glade-2.0.dtd">
+<!--Generated with glade3 3.4.5 on Sat Aug 9 16:05:51 2008 -->
+<glade-interface>
+ <widget class="GtkWindow" id="main-window">
+ <property name="title" translatable="yes">Gzv</property>
+ <property name="default_width">640</property>
+ <property name="default_height">480</property>
+ <child>
+ <widget class="GtkVBox" id="vbox1">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkMenuBar" id="menubar1">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkMenuItem" id="menuitem1">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">_File</property>
+ <property name="use_underline">True</property>
+ <child>
+ <widget class="GtkMenu" id="menu1">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkImageMenuItem" id="imagemenuitem1">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">gtk-new</property>
+ <property name="use_underline">True</property>
+ <property name="use_stock">True</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkImageMenuItem" id="imagemenuitem2">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">gtk-open</property>
+ <property name="use_underline">True</property>
+ <property name="use_stock">True</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkImageMenuItem" id="imagemenuitem3">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">gtk-save</property>
+ <property name="use_underline">True</property>
+ <property name="use_stock">True</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkImageMenuItem" id="imagemenuitem4">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">gtk-save-as</property>
+ <property name="use_underline">True</property>
+ <property name="use_stock">True</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkSeparatorMenuItem" id="separatormenuitem1">
+ <property name="visible">True</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkImageMenuItem" id="imagemenuitem5">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">gtk-quit</property>
+ <property name="use_underline">True</property>
+ <property name="use_stock">True</property>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkMenuItem" id="menuitem2">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">_Edit</property>
+ <property name="use_underline">True</property>
+ <child>
+ <widget class="GtkMenu" id="menu2">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkImageMenuItem" id="imagemenuitem6">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">gtk-preferences</property>
+ <property name="use_underline">True</property>
+ <property name="use_stock">True</property>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkMenuItem" id="menuitem3">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">_View</property>
+ <property name="use_underline">True</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkMenuItem" id="menuitem4">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">_Help</property>
+ <property name="use_underline">True</property>
+ <child>
+ <widget class="GtkMenu" id="menu3">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkImageMenuItem" id="imagemenuitem10">
+ <property name="visible">True</property>
+ <property name="label" translatable="yes">gtk-about</property>
+ <property name="use_underline">True</property>
+ <property name="use_stock">True</property>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkToolbar" id="toolbar1">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkToolButton" id="toolbutton1">
+ <property name="visible">True</property>
+ <property name="stock_id">gtk-new</property>
+ <signal name="clicked" handler="new_project"/>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkToolButton" id="toolbutton2">
+ <property name="visible">True</property>
+ <property name="stock_id">gtk-open</property>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkSeparatorToolItem" id="toolbutton3">
+ <property name="visible">True</property>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ <property name="homogeneous">False</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkToolButton" id="toolbutton4">
+ <property name="visible">True</property>
+ <property name="stock_id">gtk-execute</property>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ </packing>
+ </child>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkHPaned" id="hpaned1">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <child>
+ <widget class="GtkVBox" id="vbox2">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkHBox" id="hbox1">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkLabel" id="label1">
+ <property name="visible">True</property>
+ <property name="xalign">0</property>
+ <property name="xpad">4</property>
+ <property name="label" translatable="yes">Focus points</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkButton" id="button1">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="receives_default">True</property>
+ <property name="relief">GTK_RELIEF_NONE</property>
+ <property name="response_id">0</property>
+ <child>
+ <widget class="GtkImage" id="image1">
+ <property name="width_request">18</property>
+ <property name="visible">True</property>
+ <property name="stock">gtk-close</property>
+ <property name="icon_size">1</property>
+ </widget>
+ </child>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ <property name="fill">False</property>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ <property name="fill">False</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkScrolledWindow" id="scrolledwindow1">
+ <property name="width_request">179</property>
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+ <property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+ <property name="shadow_type">GTK_SHADOW_IN</property>
+ <child>
+ <widget class="GtkTreeView" id="treeview">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="headers_visible">False</property>
+ <property name="headers_clickable">True</property>
+ <property name="rules_hint">True</property>
+ </widget>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkHBox" id="hbox2">
+ <property name="visible">True</property>
+ <property name="spacing">4</property>
+ <child>
+ <widget class="GtkButton" id="button4">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="receives_default">True</property>
+ <property name="tooltip" translatable="yes">Remove the selected focus point</property>
+ <property name="response_id">0</property>
+ <child>
+ <widget class="GtkImage" id="image2">
+ <property name="visible">True</property>
+ <property name="stock">gtk-remove</property>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkButton" id="button5">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="receives_default">True</property>
+ <property name="tooltip" translatable="yes">Save list of focus points</property>
+ <property name="response_id">0</property>
+ <child>
+ <widget class="GtkImage" id="image3">
+ <property name="visible">True</property>
+ <property name="stock">gtk-save</property>
+ </widget>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkButton" id="button6">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="receives_default">True</property>
+ <property name="tooltip" translatable="yes">Move the selected focus point up</property>
+ <property name="response_id">0</property>
+ <child>
+ <widget class="GtkImage" id="image4">
+ <property name="visible">True</property>
+ <property name="stock">gtk-go-up</property>
+ </widget>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">2</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkButton" id="button7">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="receives_default">True</property>
+ <property name="tooltip" translatable="yes">Move the selected focus point down</property>
+ <property name="response_id">0</property>
+ <child>
+ <widget class="GtkImage" id="image5">
+ <property name="visible">True</property>
+ <property name="stock">gtk-go-down</property>
+ </widget>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">3</property>
+ </packing>
+ </child>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ <property name="padding">4</property>
+ <property name="position">2</property>
+ </packing>
+ </child>
+ </widget>
+ <packing>
+ <property name="resize">False</property>
+ <property name="shrink">True</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkScrolledWindow" id="scrolledwindow2">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+ <property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+ <child>
+ <widget class="GtkViewport" id="viewport1">
+ <property name="visible">True</property>
+ <property name="resize_mode">GTK_RESIZE_QUEUE</property>
+ <child>
+ <widget class="GtkEventBox" id="eventbox">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkDrawingArea" id="draw">
+ <property name="visible">True</property>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ </widget>
+ <packing>
+ <property name="resize">True</property>
+ <property name="shrink">True</property>
+ </packing>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">2</property>
+ </packing>
+ </child>
+ <child>
+ <widget class="GtkStatusbar" id="statusbar1">
+ <property name="visible">True</property>
+ <property name="spacing">2</property>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ <property name="position">3</property>
+ </packing>
+ </child>
+ </widget>
+ </child>
+ </widget>
+ <widget class="GtkDialog" id="new-project">
+ <property name="border_width">5</property>
+ <property name="window_position">GTK_WIN_POS_CENTER_ON_PARENT</property>
+ <property name="default_width">300</property>
+ <property name="type_hint">GDK_WINDOW_TYPE_HINT_DIALOG</property>
+ <property name="has_separator">False</property>
+ <child internal-child="vbox">
+ <widget class="GtkVBox" id="dialog-vbox1">
+ <property name="visible">True</property>
+ <property name="spacing">2</property>
+ <child>
+ <widget class="GtkVBox" id="vbox3">
+ <property name="visible">True</property>
+ <property name="spacing">10</property>
+ <child>
+ <widget class="GtkFrame" id="frame2">
+ <property name="visible">True</property>
+ <property name="label_xalign">0</property>
+ <property name="shadow_type">GTK_SHADOW_NONE</property>
+ <child>
+ <widget class="GtkAlignment" id="alignment2">
+ <property name="visible">True</property>
+ <property name="left_padding">14</property>
+ <child>
+ <widget class="GtkVBox" id="vbox5">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkFileChooserButton" id="filechooserbutton1">
+ <property name="visible">True</property>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ </packing>
+ </child>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkLabel" id="label7">
+ <property name="visible">True</property>
+ <property name="ypad">8</property>
+ <property name="label" translatable="yes"><b>Image</b></property>
+ <property name="use_markup">True</property>
+ </widget>
+ <packing>
+ <property name="type">label_item</property>
+ </packing>
+ </child>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkFrame" id="frame1">
+ <property name="visible">True</property>
+ <property name="label_xalign">0</property>
+ <property name="shadow_type">GTK_SHADOW_NONE</property>
+ <child>
+ <widget class="GtkAlignment" id="alignment1">
+ <property name="visible">True</property>
+ <property name="left_padding">14</property>
+ <child>
+ <widget class="GtkVBox" id="vbox4">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkHBox" id="hbox3">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkLabel" id="label3">
+ <property name="visible">True</property>
+ <property name="xalign">0</property>
+ <property name="label" translatable="yes">Width:</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkEntry" id="entry1">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ </widget>
+ <packing>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkHBox" id="hbox4">
+ <property name="visible">True</property>
+ <child>
+ <widget class="GtkLabel" id="label4">
+ <property name="visible">True</property>
+ <property name="xalign">0</property>
+ <property name="label" translatable="yes">Height:</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkEntry" id="entry2">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ </widget>
+ <packing>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ </widget>
+ </child>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkLabel" id="label2">
+ <property name="visible">True</property>
+ <property name="ypad">8</property>
+ <property name="label" translatable="yes"><b>Video Dimensions</b></property>
+ <property name="use_markup">True</property>
+ </widget>
+ <packing>
+ <property name="type">label_item</property>
+ </packing>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ <child>
+ <placeholder/>
+ </child>
+ </widget>
+ <packing>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ <child internal-child="action_area">
+ <widget class="GtkHButtonBox" id="dialog-action_area1">
+ <property name="visible">True</property>
+ <property name="layout_style">GTK_BUTTONBOX_END</property>
+ <child>
+ <widget class="GtkButton" id="button2">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="receives_default">True</property>
+ <property name="label" translatable="yes">gtk-cancel</property>
+ <property name="use_stock">True</property>
+ <property name="response_id">0</property>
+ </widget>
+ </child>
+ <child>
+ <widget class="GtkButton" id="button3">
+ <property name="visible">True</property>
+ <property name="can_focus">True</property>
+ <property name="receives_default">True</property>
+ <property name="label" translatable="yes">gtk-ok</property>
+ <property name="use_stock">True</property>
+ <property name="response_id">0</property>
+ </widget>
+ <packing>
+ <property name="position">1</property>
+ </packing>
+ </child>
+ </widget>
+ <packing>
+ <property name="expand">False</property>
+ <property name="pack_type">GTK_PACK_END</property>
+ </packing>
+ </child>
+ </widget>
+ </child>
+ </widget>
+</glade-interface>
--- /dev/null
+# gzv.py - an user interface to generate-zooming-video
+#
+# Copyright (C) 2008 Lincoln de Sousa <lincoln@minaslivre.org>
+#
+# 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 3 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.
+
+import gtk
+import gtk.glade
+import math
+import cairo
+
+_ = lambda x:x
+
+class Ball(object):
+ DEFAULT_WIDTH = 10
+
+ def __init__(self, x, y, r, name='', position=0):
+ self.position = position
+ self.x = x
+ self.y = y
+ self.radios = r
+ self.name = name
+
+class BallManager(list):
+ def __init__(self, *args, **kwargs):
+ super(BallManager, self).__init__(*args, **kwargs)
+
+ def save_to_file(self, path):
+ target = open(path, 'w')
+ for i in self:
+ target.write('%d,%d %d %s\n' % (i.x, i.y, i.radios, i.name))
+ target.close()
+
+class GladeLoader(object):
+ def __init__(self, fname, root=''):
+ self.ui = gtk.glade.XML(fname, root)
+ self.ui.signal_autoconnect(self)
+
+ def get_widget(self, wname):
+ return self.ui.get_widget(wname)
+
+ # little shortcut
+ wid = get_widget
+
+ # glade callbacks
+
+ def gtk_widget_show(self, widget, *args):
+ widget.show()
+ return True
+
+ def gtk_widget_hide(self, widget, *args):
+ widget.hide()
+ return True
+
+ def gtk_main_quit(self, *args):
+ gtk.main_quit()
+
+ def gtk_main(self, *args):
+ gtk.main()
+
+class NewProject(GladeLoader):
+ def __init__(self, parent=None):
+ super(NewProject, self).__init__('gzv.glade', 'new-project')
+ if parent:
+ self.wid('new-project').set_transient_for(parent)
+
+class Gzv(GladeLoader):
+ def __init__(self):
+ super(Gzv, self).__init__('gzv.glade', 'main-window')
+ self.window = self.wid('main-window')
+ self.window.connect('delete-event', lambda *x: gtk.main_quit())
+
+ self.evtbox = self.wid('eventbox')
+ self.evtbox.connect('button-press-event', self.button_press)
+ self.evtbox.connect('button-release-event', self.button_release)
+ self.evtbox.connect('motion-notify-event', self.motion_notify)
+
+ self.model = gtk.ListStore(int, str)
+ self.treeview = self.wid('treeview')
+ self.treeview.set_model(self.model)
+
+ self.draw = self.wid('draw')
+ self.draw.connect('expose-event', self.expose_draw)
+
+ # FIXME: Hardcoded.
+ self.image = 'skol.jpg'
+ self.balls = self.load_balls_from_file('xxx')
+ self.load_balls_to_treeview()
+
+ # this *MUST* be called *AFTER* load_balls_to_treeview
+ self.setup_treeview()
+
+ self.ball_width = Ball.DEFAULT_WIDTH
+ self.selecting = False
+ self.start_x = -1
+ self.start_y = -1
+
+ def setup_treeview(self):
+ self.model.connect('rows-reordered', self.on_rows_reordered)
+
+ renderer = gtk.CellRendererText()
+ column = gtk.TreeViewColumn(_('Position'), renderer, text=0)
+ self.treeview.append_column(column)
+
+ renderer = gtk.CellRendererText()
+ renderer.connect('edited', self.on_cell_edited)
+ renderer.set_property('editable', True)
+ column = gtk.TreeViewColumn(_('Name'), renderer, text=1)
+ self.treeview.append_column(column)
+
+ def on_rows_reordered(self, *args):
+ print
+
+ def on_cell_edited(self, *args):
+ print args
+
+ def new_project(self, button):
+ dialog = NewProject(self.window).wid('new-project')
+
+ # This '1' was defined in the glade file
+ if dialog.run() == 1:
+ pass
+ dialog.destroy()
+
+ def open_file_chooser(self, button):
+ fc = gtk.FileChooserDialog(_('Choose an image'), self,
+ buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
+ gtk.STOCK_OK, gtk.RESPONSE_OK))
+ if fc.run() == gtk.RESPONSE_OK:
+ self.image = fc.get_filename()
+
+ fc.destroy()
+
+ def load_balls_to_treeview(self):
+ model = self.treeview.get_model()
+ for i in self.balls:
+ model.append([i.position, i.name])
+
+ def load_balls_from_file(self, fname):
+ balls = BallManager()
+ for index, line in enumerate(file(fname)):
+ if not line:
+ continue
+ pos, radios, name = line.split()
+ x, y = pos.split(',')
+ balls.append(Ball(int(x), int(y), int(radios), name, index))
+ return balls
+
+ def expose_draw(self, draw, event):
+ if not self.image:
+ return
+
+ # loading the picture image and getting some useful
+ # information to draw it in the widget's background
+ img = gtk.gdk.pixbuf_new_from_file(self.image)
+ pixels = img.get_pixels()
+ rowstride = img.get_rowstride()
+ width = img.get_width()
+ height = img.get_height()
+ gc = draw.style.black_gc
+
+ # sets the correct size of the eventbox, to show the scrollbar
+ # when needed.
+ self.evtbox.set_size_request(width, height)
+
+ # drawing the picture in the background of the drawing area,
+ # this is really important.
+ draw.window.draw_rgb_image(gc, 0, 0, width, height,
+ 'normal', pixels, rowstride,
+ 0, 0)
+
+ # this call makes the ball being drown be shown correctly.
+ self.draw_current_ball()
+
+ # drawing other balls stored in the self.balls list.
+ ctx = draw.window.cairo_create()
+ ctx.fill()
+
+ ctx.set_line_width(10.0)
+ ctx.set_source_rgba (0.5, 0.0, 0.0, 0.4)
+
+ for i in self.balls:
+ ctx.arc(i.x, i.y, i.radios, 0, 64*math.pi)
+
+ ctx.fill()
+ ctx.stroke()
+
+ def draw_current_ball(self):
+ if self.start_x < 0:
+ return
+ ctx = self.draw.window.cairo_create()
+ ctx.arc(self.start_x, self.start_y, self.ball_width, 0, 64*math.pi)
+ ctx.set_source_rgba (0.5, 0.0, 0.0, 0.4)
+ ctx.fill()
+
+ def button_press(self, widget, event):
+ if event.button == 1:
+ self.selecting = True
+ self.start_x = event.x
+ self.start_y = event.y
+ self.last_x = event.x
+
+ def button_release(self, widget, event):
+ if event.button == 1:
+ self.selecting = False
+ self.finish_drawing()
+
+ def motion_notify(self, widget, event):
+ self.draw.queue_draw()
+
+ if event.x > self.last_x:
+ self.ball_width += 2
+ else:
+ self.ball_width -= 2
+
+ self.last_x = event.x
+
+ def finish_drawing(self):
+ self.draw_current_ball()
+ self.ball_width = Ball.DEFAULT_WIDTH
+
+if __name__ == '__main__':
+ Gzv().window.show_all()
+ gtk.main()
projects / cascardo / movie.git / commitdiff