using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Controls.Primitives;
using System.IO;
using MyHSV;
namespace _2080226_HSVRect
{
<summary>
</summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
ButtonSaveImage.Click += ButtonSaveImage_Click;
ScrollBarSizeWidth.ValueChanged += ScrollBarSize_ValueChanged;
ScrollBarSizeHeight.ValueChanged += ScrollBarSize_ValueChanged;
ScrollBarHue.ValueChanged += ScrollBarSize_ValueChanged;
ScrollBarSaturation.ValueChanged += ScrollBarSaturation_ValueChanged;
ScrollBarValue.ValueChanged += ScrollBarValue_ValueChanged;
ScrollBarHue.MouseWheel += ScrollBarHue_MouseWheel;
ScrollBarSaturation.MouseWheel += ScrollBarHue_MouseWheel;
ScrollBarValue.MouseWheel += ScrollBarHue_MouseWheel;
ScrollBarSizeWidth.MouseWheel += ScrollBarHue_MouseWheel;
ScrollBarSizeHeight.MouseWheel += ScrollBarHue_MouseWheel;
TextBoxHue.MouseWheel += TextBoxHue_MouseWheel;
TextBoxSaturation.MouseWheel += TextBoxHue_MouseWheel;
TextBoxValue.MouseWheel += TextBoxHue_MouseWheel;
TextBoxSize.MouseWheel += TextBoxHue_MouseWheel;
TextBoxSizeHeight.MouseWheel += TextBoxHue_MouseWheel;
RadioButtonHue.Checked += RadioButtonHue_Checked;
RadioButtonSaturaion.Checked += RadioButtonSaturaion_Checked;
RadioButtonValue.Checked += RadioButtonValue_Checked;
TextBoxHue.GotFocus += TextBlock_GotFocus;
TextBoxSize.GotFocus += TextBlock_GotFocus;
ButtonHueAdd30.Click += ButtonHueAdd30_Click;
ButtonHueSub30.Click += ButtonHueSub30_Click;
ButtonSaturationAdd.Click += ButtonSaturationAdd_Click;
ButtonSaturationSub.Click += ButtonSaturationSub_Click;
ButtonValueAdd.Click += ButtonValueAdd_Click;
ButtonValueSub.Click += ButtonValueSub_Click;
ButtonSizeWidth100.Click += ButtonSize100_Click;
ButtonSizeWidth256.Click += ButtonSize256_Click;
ButtonSizeWidth360.Click += ButtonSizeWidth360_Click;
ButtonSizeHeight100.Click += ButtonSizeHeight100_Click;
ButtonSizeHeight256.Click += ButtonSizeHeight256_Click;
ButtonSizeHeight360.Click += ButtonSizeHeight360_Click;
DrawHue();
ComboBoxInitialize();
}
private void TextBoxHue_MouseWheel(object sender, MouseWheelEventArgs e)
{
TextBox box = (TextBox)sender;
Binding binding = BindingOperations.GetBinding(box, TextBox.TextProperty);
var name = binding.ElementName;
ScrollBar bar = (ScrollBar)this.FindName(name);
if (e.Delta > 0)
{
bar.Value++;
}
else
{
bar.Value--;
}
}
private void ScrollBarHue_MouseWheel(object sender, MouseWheelEventArgs e)
{
ScrollBar bar = (ScrollBar)sender;
if (e.Delta > 0)
{
bar.Value++;
}
else
{
bar.Value--;
}
}
private void ComboBoxInitialize()
{
ComboBoxSavePixelFormat.Items.Add(PixelFormats.Bgr24);
ComboBoxSavePixelFormat.Items.Add(PixelFormats.Pbgra32);
ComboBoxSavePixelFormat.Items.Add(PixelFormats.Gray8);
ComboBoxSavePixelFormat.Items.Add(PixelFormats.BlackWhite);
ComboBoxSavePixelFormat.SelectedIndex = 0;
}
private void DrawHue()
{
if (RadioButtonHue.IsChecked == true)
{
MyImage.Source = GetHueRect(ScrollBarHue.Value, (int)ScrollBarSizeWidth.Value);
}
}
private void DrawSaturation()
{
if (RadioButtonSaturaion.IsChecked == true)
{
MyImage.Source = GetSaturationRect(
(int)ScrollBarSizeWidth.Value,
(int)ScrollBarSizeHeight.Value,
(float)ScrollBarSaturation.Value / 100f
);
}
}
private void DrawValue()
{
if (RadioButtonValue.IsChecked == true)
{
MyImage.Source = GetValueRect(
(int)ScrollBarSizeWidth.Value,
(int)ScrollBarSizeHeight.Value,
(float)(ScrollBarValue.Value / 100f));
}
}
#region イベント
private void RadioButtonHue_Checked(object sender, RoutedEventArgs e) => DrawHue();
private void RadioButtonValue_Checked(object sender, RoutedEventArgs e) => DrawValue();
private void RadioButtonSaturaion_Checked(object sender, RoutedEventArgs e) => DrawSaturation();
private void ScrollBarValue_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e) => DrawValue();
private void ScrollBarSaturation_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e) => DrawSaturation();
private void ButtonSizeHeight360_Click(object sender, RoutedEventArgs e) => ScrollBarSizeHeight.Value = 360f;
private void ButtonSizeHeight256_Click(object sender, RoutedEventArgs e) => ScrollBarSizeHeight.Value = 256f;
private void ButtonSizeHeight100_Click(object sender, RoutedEventArgs e) => ScrollBarSizeHeight.Value = 100f;
private void ButtonSizeWidth360_Click(object sender, RoutedEventArgs e) => ScrollBarSizeWidth.Value = 360f;
private void ButtonSize256_Click(object sender, RoutedEventArgs e) => ScrollBarSizeWidth.Value = 256f;
private void ButtonSize100_Click(object sender, RoutedEventArgs e) => ScrollBarSizeWidth.Value = 100f;
private void ButtonValueSub_Click(object sender, RoutedEventArgs e) => ScrollBarValue.Value -= 10f;
private void ButtonValueAdd_Click(object sender, RoutedEventArgs e) => ScrollBarValue.Value += 10f;
private void ButtonSaturationSub_Click(object sender, RoutedEventArgs e) => ScrollBarSaturation.Value -= 10f;
private void ButtonSaturationAdd_Click(object sender, RoutedEventArgs e) => ScrollBarSaturation.Value += 10f;
private void ButtonHueSub30_Click(object sender, RoutedEventArgs e) => ScrollBarHue.Value -= 30f;
private void ButtonHueAdd30_Click(object sender, RoutedEventArgs e) => ScrollBarHue.Value += 30f;
private void TextBlock_GotFocus(object sender, RoutedEventArgs e)
{
TextBox box = (TextBox)sender;
this.Dispatcher.InvokeAsync(() => { Task.Delay(10); box.SelectAll(); });
}
private void ScrollBarSize_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
DrawHue();
DrawSaturation();
DrawValue();
}
private void ButtonSaveImage_Click(object sender, RoutedEventArgs e)
{
SaveImage((BitmapSource)MyImage.Source);
}
#endregion
private BitmapSource GetSaturationRect(int width, int height, float saturation)
{
var wb = new WriteableBitmap(width, height, 96, 96, PixelFormats.Pbgra32, null);
int h = wb.PixelHeight;
int w = wb.PixelWidth;
int stride = wb.BackBufferStride;
byte[] pixels = new byte[h * stride];
wb.CopyPixels(pixels, stride, 0);
int p = 0;
Color color;
if (height == 1)
{
for (int x = 0; x < width; ++x)
{
p = (x * 4);
color = HSV.HSV2Color(
(x / (width - 1f)) * 359f,
saturation,
1f);
pixels[p + 3] = 255;
pixels[p + 2] = color.R;
pixels[p + 1] = color.G;
pixels[p + 0] = color.B;
}
}
else
{
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
p = y * stride + (x * 4);
color = HSV.HSV2Color(
(x / (width - 1f)) * 359f,
saturation,
y / (double)(height - 1f));
pixels[p + 3] = 255;
pixels[p + 2] = color.R;
pixels[p + 1] = color.G;
pixels[p + 0] = color.B;
}
}
}
wb.WritePixels(new Int32Rect(0, 0, w, h), pixels, stride, 0);
return wb;
}
private BitmapSource GetValueRect(int width, int height, float value)
{
var wb = new WriteableBitmap(width, height, 96, 96, PixelFormats.Pbgra32, null);
int h = wb.PixelHeight;
int w = wb.PixelWidth;
int stride = wb.BackBufferStride;
byte[] pixels = new byte[h * stride];
wb.CopyPixels(pixels, stride, 0);
int p = 0;
Color color;
if (height == 1)
{
for (int x = 0; x < width; ++x)
{
p = (x * 4);
color = HSV.HSV2Color(
(x * 359f) / (width - 1f),
1f,
value);
pixels[p + 3] = 255;
pixels[p + 2] = color.R;
pixels[p + 1] = color.G;
pixels[p + 0] = color.B;
}
}
else
{
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
p = y * stride + (x * 4);
color = HSV.HSV2Color(
(x * 359f) / (width - 1f),
y / (double)(height - 1f),
value);
pixels[p + 3] = 255;
pixels[p + 2] = color.R;
pixels[p + 1] = color.G;
pixels[p + 0] = color.B;
}
}
}
wb.WritePixels(new Int32Rect(0, 0, w, h), pixels, stride, 0);
return wb;
}
private BitmapSource GetHueRect(double hue, int size)
{
var wb = new WriteableBitmap(size, size, 96, 96, PixelFormats.Pbgra32, null);
int h = wb.PixelHeight;
int w = wb.PixelWidth;
int stride = wb.BackBufferStride;
byte[] pixels = new byte[h * stride];
wb.CopyPixels(pixels, stride, 0);
int p = 0;
Color color;
for (int y = 0; y < h; ++y)
{
for (int x = 0; x < w; ++x)
{
p = y * stride + (x * 4);
color = HSV.HSV2Color(hue, (double)x / (size - 1f), (double)y / (size - 1f));
pixels[p + 3] = 255;
pixels[p + 2] = color.R;
pixels[p + 1] = color.G;
pixels[p + 0] = color.B;
}
}
wb.WritePixels(new Int32Rect(0, 0, size, size), pixels, stride, 0);
return wb;
}
private void SaveImage(BitmapSource source)
{
source = new FormatConvertedBitmap(source, (PixelFormat)ComboBoxSavePixelFormat.SelectedItem, null, 0);
var saveFileDialog = new Microsoft.Win32.SaveFileDialog();
saveFileDialog.Filter = "*.png|*.png|*.bmp|*.bmp|*.tiff|*.tiff";
saveFileDialog.AddExtension = true;
saveFileDialog.FileName = "huetestrect";
if (saveFileDialog.ShowDialog() == true)
{
BitmapEncoder encoder = new BmpBitmapEncoder();
if (saveFileDialog.FilterIndex == 1)
{
encoder = new PngBitmapEncoder();
}
else if (saveFileDialog.FilterIndex == 2)
{
encoder = new BmpBitmapEncoder();
}
else if (saveFileDialog.FilterIndex == 3)
{
encoder = new TiffBitmapEncoder();
}
encoder.Frames.Add(BitmapFrame.Create(source));
using (var fs = new FileStream(saveFileDialog.FileName, FileMode.Create, FileAccess.Write))
{
encoder.Save(fs);
}
}
}
}
}
