ClemensFischer/XAML-Map-Control
1
0
Fork 0
mirror of https://github.com/ClemensFischer/XAML-Map-Control.git synced 2026-04-06 06:55:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

GeoImage and DependencyPropertyHelper implementation

Browse source
This commit is contained in:
ClemensFischer 2024-09-13 22:21:38 +02:00
parent 0344db4b9b
commit 1b0e73dc35
12 changed files with 190 additions and 154 deletions
Download patch file Download diff file Expand all files Collapse all files

19
MapControl/WPF/GeoImage.WPF.cs
View file

@ -12,16 +12,23 @@ using System.Windows.Media.Imaging;
namespace MapControl
{
public partial class GeoImage
public static partial class GeoImage
{
private Point BitmapSize => new Point(bitmapSource.PixelWidth, bitmapSource.PixelHeight);
private partial class GeoBitmap
{
public Point BitmapSize => new Point(BitmapSource.PixelWidth, BitmapSource.PixelHeight);
private ImageBrush ImageBrush => new ImageBrush(bitmapSource);
public ImageBrush ImageBrush => new ImageBrush(BitmapSource);
}
private Task LoadGeoTiffAsync(string sourcePath)
private static Task<GeoBitmap> LoadGeoTiffAsync(string sourcePath)
{
return Task.Run(() =>
{
BitmapSource bitmapSource;
Matrix transformMatrix;
MapProjection mapProjection = null;
using (var stream = File.OpenRead(sourcePath))
{
bitmapSource = BitmapFrame.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
@ -50,7 +57,7 @@ namespace MapControl
if (metadata.GetQuery(QueryString(GeoKeyDirectoryTag)) is short[] geoKeyDirectory)
{
SetProjection(geoKeyDirectory);
mapProjection = GetProjection(geoKeyDirectory);
}
if (metadata.GetQuery(QueryString(NoDataTag)) is string noData &&
@ -58,6 +65,8 @@ namespace MapControl
{
bitmapSource = ConvertTransparentPixel(bitmapSource, noDataValue);
}
return new GeoBitmap(bitmapSource, transformMatrix, mapProjection);
});
}