# Friday, October 03, 2008

DeepZoom facile

J’ai rajouté dans le projet SLExtensions une librairie permattant de gérer facilement vos galleries DeepZoom. Il rajoute grâce aux méthodes d’extensions des fonctions utiles comme le positionnement automatique de votre collection, la gestion de la roulette de la souris, le glisser du deepzoom, le zoom sur une image de la collection, etc…

<UserControl x:Class="SLExtensions.Showcase.PageDeepZoom"

   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

   xmlns:sledz="clr-namespace:SLExtensions.DeepZoom;assembly=SLExtensions.DeepZoom"

   >

    <Grid x:Name="LayoutRoot" Background="White">

        <Grid.RowDefinitions>

            <RowDefinition Height="Auto"/>

            <RowDefinition/>

        </Grid.RowDefinitions>

 

        <StackPanel Orientation="Horizontal">

            <Button Content="Next" Click="Next_Click"/>

            <Button Content="Previous" Click="Previous_Click"/>

            <Button Content="All" Click="All_Click"/>

        </StackPanel>

 

        <MultiScaleImage x:Name="msi" Source="http://labs.ucaya.com/dznantes/dzc_output.xml"

                        Grid.Row="1"

                        sledz:DZExtensions.ArrangeOnFirstMotionFinished="True"

                        sledz:DZExtensions.IsMousePanEnabled="True"

                        sledz:DZExtensions.IsMouseWheelEnabled="True"/>

    </Grid>

</UserControl>

L’activation de la gestion de la souris ainsi que le positionnement automatique des images se fait par des AttachedProperty à déclarer sur le contrôle MultiScaleImage.
Dans cet exemple, j’ai rajouté 3 bouttons permettant de faire un simple slideshow des images deepzoom. Ils exécutent des fontions d’extensions disponibles dans le namespace SLExtensions.DeepZoom.

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using SLExtensions.DeepZoom;

 

namespace SLExtensions.Showcase

{

    public partial class PageDeepZoom : UserControl

    {

        public PageDeepZoom()

        {

            InitializeComponent();

        }

 

        private int collectionIndex = -1;

 

        private void Next_Click(object sender, RoutedEventArgs e)

        {

            DZContext context = msi.EnsureContext();

            collectionIndex = (collectionIndex + 1) % context.ImagesToShow.Count;

            msi.ZoomFullAndCenterImage(collectionIndex);

        }

 

        private void Previous_Click(object sender, RoutedEventArgs e)

        {

            DZContext context = msi.EnsureContext();

            collectionIndex = (collectionIndex + context.ImagesToShow.Count - 1) % context.ImagesToShow.Count;

            msi.ZoomFullAndCenterImage(collectionIndex);

        }

 

        private void All_Click(object sender, RoutedEventArgs e)

        {

            msi.ZoomCenter();

        }

    }

}

#    Comments [1] |
Sunday, October 05, 2008 4:31:43 PM (Romance Standard Time, UTC+01:00)
Je suis fan !
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