Filtration/Filtration/Converters/MinimapIconToCroppedBitmapC...

109 lines
3.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
using System.Windows.Media.Imaging;
using Filtration.ObjectModel.Enums;
namespace Filtration.Converters
{
internal class MinimapIconToCroppedBitmapConverter : IMultiValueConverter
{
private static readonly int cellHeight = 64;
private static readonly int cellWidth = 64;
private static readonly int gridWidth = 14;
private static readonly int startColumn = 4;
private static readonly int startRow = 3;
private static readonly int emptyColumn = 2;
private static readonly int emptyRow = 11;
private static readonly int colorCount = 6;
private static readonly int shapeCount = 6;
private static readonly int sizeCount = 3;
private static readonly Uri uri;
private static readonly CroppedBitmap empty;
private static readonly List<CroppedBitmap> bitmaps;
static MinimapIconToCroppedBitmapConverter()
{
uri = new Uri("pack://application:,,,/Filtration;component/Resources/minimap_icons.png", UriKind.Absolute);
var sourceImage = new BitmapImage(uri);
var emptyRect = new Int32Rect
{
Width = cellWidth,
Height = cellHeight,
X = emptyColumn * cellWidth,
Y = emptyRow * cellHeight
};
empty = new CroppedBitmap(new BitmapImage(uri), emptyRect);
bitmaps = new List<CroppedBitmap>(shapeCount * colorCount * sizeCount);
var row = startRow;
var column = startColumn;
for (var i = 0; i < shapeCount; i++) {
for (var j = 0; j < colorCount; j++) {
for (var k = 0; k < sizeCount; k++) {
if (column == gridWidth) {
column = 0;
row++;
}
var bitmapRect = new Int32Rect
{
Width = cellWidth,
Height = cellHeight,
X = column * cellWidth,
Y = row * cellHeight
};
bitmaps.Add(new CroppedBitmap(sourceImage, bitmapRect));
column++;
}
}
}
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
if (values[0] == DependencyProperty.UnsetValue ||
values[1] == DependencyProperty.UnsetValue ||
values[2] == DependencyProperty.UnsetValue)
{
return empty;
}
var iconSize = (int)(values[0]);
var iconColor = (int)(values[1]);
var iconShape = (int)(values[2]);
if (!Enum.IsDefined(typeof(IconSize), iconSize) ||
!Enum.IsDefined(typeof(IconColor), iconColor) ||
!Enum.IsDefined(typeof(IconShape), iconShape))
{
return empty;
}
var shapeOffset = iconShape * (sizeCount * colorCount);
var colorOffset = iconColor * sizeCount;
var iconIndex = shapeOffset + colorOffset + iconSize;
if (iconIndex >= bitmaps.Count)
{
return empty;
}
else
{
return bitmaps[iconIndex];
}
}
public object[] ConvertBack(object value, Type[] targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}