private async void SetColorbar(int imageID)
{
if (_imageID != -1)
{
List <Model.ImageColorInfo> lst = await SqliteUtil.Current.QueryImageColorInfoByImageID(_imageID);
foreach (ImageColorInfo color in lst)
{
BoxView box = new BoxView();
box.Color = Xamarin.Forms.Color.FromHex(color.HEXValue);
box.CornerRadius = new CornerRadius(10);
pickColorList.Children.Add(box);
}
if (lst.Count > 0)
{
ColorCode colorcd = new ColorCode();
string hex = lst[lst.Count - 1].HEXValue;
btnColor.BackgroundColor = Xamarin.Forms.Color.FromHex(hex);
lblSelected.Text = hex;
lblHex.Text = hex;
Rgb rgb = colorcd.getRgb(hex);
lblRgb.Text = colorcd.getRgbString(rgb);
lblHsl.Text = colorcd.getHslString(rgb);
lblHsv.Text = colorcd.getHsvString(rgb);
lblCmyk.Text = colorcd.getCmykString(rgb);
lblLab.Text = colorcd.getLabString(rgb);
lblMunsell.Text = colorcd.getMunsellString(rgb);
lblPccs.Text = colorcd.getPCCSTone(rgb);
lblJis.Text = JisUtil.getJisByMunsell(lblMunsell.Text);
}
}
}
/// <summary>
/// 選択した色リストを更新する
/// </summary>
/// <param name="lst"></param>
private void updatecolorBar(List <ImageColorInfo> lst, string pickColor = "")
{
pickColorList.Children.Clear();
int colorcnt = lst.Count;
double heightValue = pickColorList.Width / 10;
ColorCode colorcd = new ColorCode();
foreach (ImageColorInfo color in lst)
{
BoxView box = new BoxView();
box.BackgroundColor = Xamarin.Forms.Color.FromHex(color.HEXValue);
box.Color = Xamarin.Forms.Color.FromHex(color.HEXValue);
double widthHeight = pickColorList.Width / colorcnt;
box.WidthRequest = widthHeight;
box.HeightRequest = heightValue;
if (lblSelected.Text.Equals(color.HEXValue))
{
box.HeightRequest = heightValue * 2;
box.Margin = new Thickness(0, 0, 0, -heightValue);
}
var tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += (s, e) =>
{
foreach (BoxView newBox in pickColorList.Children)
{
newBox.HeightRequest = heightValue;
newBox.Margin = 0;
}
BoxView boxview = (BoxView)s;
boxview.HeightRequest = heightValue * 2;
boxview.Margin = new Thickness(0, 0, 0, -heightValue);
btnColor.BackgroundColor = boxview.Color;
lblSelected.Text = ToHex(boxview.BackgroundColor.ToSKColor());
string hex = ToHex(boxview.BackgroundColor.ToSKColor());
lblHex.Text = hex;
Rgb rgb = colorcd.getRgb(hex);
lblRgb.Text = colorcd.getRgbString(rgb);
lblHsl.Text = colorcd.getHslString(rgb);
lblHsv.Text = colorcd.getHsvString(rgb);
lblCmyk.Text = colorcd.getCmykString(rgb);
lblLab.Text = colorcd.getLabString(rgb);
lblMunsell.Text = colorcd.getMunsellString(rgb);
lblPccs.Text = colorcd.getPCCSTone(rgb);
lblJis.Text = JisUtil.getJisByMunsell(lblMunsell.Text);
};
box.GestureRecognizers.Add(tapGestureRecognizer);
pickColorList.Children.Add(box);
}
}
private void btn_Delete_Click(object sender, EventArgs e)
{
string strHex = lblSelected.Text;
ColorCode colorcd = new ColorCode();
foreach (ImageColorInfo info in qList)
{
if (info.HEXValue.Equals(strHex))
{
qList.Remove(info);
break;
}
}
_point = new Xamarin.Forms.Point(0.0, 0.0);
lastXMove = lastXMoveBak;
lastYMove = lastYMoveBak;
if (qList.Count > 0)
{
string hex = qList[qList.Count - 1].HEXValue;
btnColor.BackgroundColor = Xamarin.Forms.Color.FromHex(hex);
lblSelected.Text = hex;
lblHex.Text = hex;
Rgb rgb = colorcd.getRgb(hex);
lblRgb.Text = colorcd.getRgbString(rgb);
lblHsl.Text = colorcd.getHslString(rgb);
lblHsv.Text = colorcd.getHsvString(rgb);
lblCmyk.Text = colorcd.getCmykString(rgb);
lblLab.Text = colorcd.getLabString(rgb);
lblMunsell.Text = colorcd.getMunsellString(rgb);
lblPccs.Text = colorcd.getPCCSTone(rgb);
lblJis.Text = JisUtil.getJisByMunsell(lblMunsell.Text);
}
else
{
btnColor.BackgroundColor = Xamarin.Forms.Color.White;
lblSelected.Text = string.Empty;
lblHex.Text = string.Empty;
lblRgb.Text = string.Empty;
lblHsl.Text = string.Empty;
lblHsv.Text = string.Empty;
lblCmyk.Text = string.Empty;
lblLab.Text = string.Empty;
lblMunsell.Text = string.Empty;
lblPccs.Text = string.Empty;
lblJis.Text = string.Empty;
}
// カンバス更新
canvasView.InvalidateSurface();
}
public void reload()
{
ColorCode colorcd = new ColorCode();
if (qList.Count > 0)
{
string hex = qList[qList.Count - 1].HEXValue;
btnColor.BackgroundColor = Xamarin.Forms.Color.FromHex(hex);
lblSelected.Text = hex;
lblHex.Text = hex;
Rgb rgb = colorcd.getRgb(hex);
lblRgb.Text = colorcd.getRgbString(rgb);
lblHsl.Text = colorcd.getHslString(rgb);
lblHsv.Text = colorcd.getHsvString(rgb);
lblCmyk.Text = colorcd.getCmykString(rgb);
lblLab.Text = colorcd.getLabString(rgb);
lblMunsell.Text = colorcd.getMunsellString(rgb);
lblPccs.Text = colorcd.getPCCSTone(rgb);
lblJis.Text = JisUtil.getJisByMunsell(lblMunsell.Text);
}
else
{
btnColor.BackgroundColor = Xamarin.Forms.Color.White;
lblSelected.Text = string.Empty;
lblHex.Text = string.Empty;
lblRgb.Text = string.Empty;
lblHsl.Text = string.Empty;
lblHsv.Text = string.Empty;
lblCmyk.Text = string.Empty;
lblLab.Text = string.Empty;
lblMunsell.Text = string.Empty;
lblPccs.Text = string.Empty;
lblJis.Text = string.Empty;
}
// カンバス更新
canvasView.InvalidateSurface();
}
/// <summary>
/// イメージ描写
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
void OnPaintSurface(object sender, SKPaintSurfaceEventArgs args)
{
if (_onCapture)
{
return;
}
SKImageInfo info = args.Info;
SKSurface surface = args.Surface;
SKCanvas canvas = surface.Canvas;
if (bitmap.Height > bitmap.Width)
{
// 画像とレンズのデフォルト倍率
scaledRatioDef = (double)bitmap.Height / (double)info.Height;
// 画像のサーズ>レンズのサーズ
if (scaledRatioDef > 1)
{
info.Width = (int)(info.Width * scaledRatioDef);
info.Height = bitmap.Height;
}
}
else
{
// 画像とレンズのデフォルト倍率
scaledRatioDef = (double)bitmap.Width / (double)info.Width;
// 画像のサーズ>レンズのサーズ
if (scaledRatioDef > 1)
{
info.Height = (int)(info.Height * scaledRatioDef);
info.Width = bitmap.Width;
}
}
info.Width = (int)(info.Width / scaledRatio);
info.Height = (int)(info.Height / scaledRatio);
if (bitmap.Width - info.Width <= 0)
{
defX = (bitmap.Width - info.Width) / 2;
lastXMove = 0;
}
else
{
defX = 0;
if (lastXMove < 0)
{
lastXMove = 0;
}
else if (canvasView.CanvasSize.Width + Math.Abs(lastXMove) > bitmap.Width * scaledRatio / scaledRatioDef)
{
lastXMove = (bitmap.Width * scaledRatio / scaledRatioDef - canvasView.CanvasSize.Width);
}
}
if (bitmap.Height - info.Height <= 0)
{
defY = (bitmap.Height - info.Height) / 2;
lastYMove = 0;
}
else
{
defY = 0;
if (lastYMove < 0)
{
lastYMove = 0;
}
else if (canvasView.CanvasSize.Height + Math.Abs(lastYMove) > bitmap.Height * scaledRatio / scaledRatioDef)
{
lastYMove = (bitmap.Height * scaledRatio / scaledRatioDef - canvasView.CanvasSize.Height);
}
}
SKRect mSrcRect = SKRectI.Create((int)(lastXMove * scaledRatioDef / scaledRatio) + defX, (int)(lastYMove * scaledRatioDef / scaledRatio) + defY, info.Width, info.Height);
SKRect mDestRect = SKRectI.Create(0, 0, (int)canvasView.CanvasSize.Width, (int)canvasView.CanvasSize.Height);
canvas.Clear();
canvas.DrawBitmap(bitmap, mSrcRect, mDestRect);
SKPaint paint = new SKPaint
{
Style = SKPaintStyle.Stroke,
Color = Xamarin.Forms.Color.White.ToSKColor(),
StrokeWidth = 5
};
if (_colorChanged)
{
using (var bmp = new SKBitmap(info))
{
IntPtr dstpixels = bmp.GetPixels();
ColorCode color = new ColorCode();
var succeed = surface.ReadPixels(info, dstpixels, info.RowBytes,
(int)(canvasView.CanvasSize.Width * _point.X / canvasView.Width),
(int)(canvasView.CanvasSize.Height * _point.Y / canvasView.Height));
if (Math.Abs(defX) > 0)
{
double x = Math.Abs(defX) * canvasView.Width / (canvasView.CanvasSize.Width * scaledRatioDef);
if (_point.X < x || _point.X > canvasView.Width - x)
{
succeed = false;
}
}
if (Math.Abs(defY) > 0)
{
double y = Math.Abs(defY) * canvasView.Height / (canvasView.CanvasSize.Height * scaledRatioDef);
if (_point.Y < y || _point.Y > canvasView.Height - y)
{
succeed = false;
}
}
if (succeed)
{
if (qList.Count < 10)
{
SKColor _selectedColor = bmp.GetPixel(0, 0);
lblRgb.Text = RGBConverter(_selectedColor);
string hex = ToHex(_selectedColor);
lblHex.Text = hex;
Rgb rgb = color.getRgb(hex);
lblHsl.Text = color.getHslString(rgb);
lblHsv.Text = color.getHsvString(rgb);
lblCmyk.Text = color.getCmykString(rgb);
lblLab.Text = color.getLabString(rgb);
lblMunsell.Text = color.getMunsellString(rgb);
lblPccs.Text = color.getPCCSTone(rgb);
lblJis.Text = JisUtil.getJisByMunsell(lblMunsell.Text);
paint = new SKPaint
{
Style = SKPaintStyle.Stroke,
Color = Xamarin.Forms.Color.White.ToSKColor(),
StrokeWidth = 5
};
canvas.DrawCircle((float)(canvasView.CanvasSize.Width * _point.X / canvasView.Width),
(float)(canvasView.CanvasSize.Height * _point.Y / canvasView.Height), (float)(20 * scaledRatio), paint);
ImageColorInfo colorinfo = new ImageColorInfo();
colorinfo.ImageID = _imageID;
colorinfo.HEXValue = this.lblHex.Text;
colorinfo.RGBValue = this.lblRgb.Text;
colorinfo.HSLValue = this.lblHsl.Text;
colorinfo.HSVValue = this.lblHsv.Text;
colorinfo.CMYKValue = this.lblCmyk.Text;
colorinfo.LABValue = this.lblLab.Text;
colorinfo.MUNSELLValue = this.lblMunsell.Text;
colorinfo.PCCSValue = this.lblPccs.Text;
colorinfo.JISValue = this.lblJis.Text;
colorinfo.XValue = (int)(_point.X);
colorinfo.YValue = (int)(_point.Y);
colorinfo.ScaledRatio = scaledRatio;
colorinfo.XPis = lastXMove;
colorinfo.YPis = lastYMove;
colorinfo.DefX = defX * canvasView.Width / (canvasView.CanvasSize.Width * scaledRatioDef);
colorinfo.DefY = defY * canvasView.Height / (canvasView.CanvasSize.Height * scaledRatioDef);
qList.Add(colorinfo);
btnColor.BackgroundColor = Xamarin.Forms.Color.FromHex(colorinfo.HEXValue);
lblSelected.Text = colorinfo.HEXValue;
updatecolorBar(qList, colorinfo.HEXValue);
}
}
}
}
else
{
updatecolorBar(qList);
}
foreach (ImageColorInfo point in qList)
{
canvas.DrawCircle(
(float)((canvasView.CanvasSize.Width * (point.XValue + point.DefX - (defX * canvasView.Width / (canvasView.CanvasSize.Width * scaledRatioDef))) / canvasView.Width) * (scaledRatio / point.ScaledRatio) - lastXMove + (point.XPis * (scaledRatio / point.ScaledRatio))),
(float)((canvasView.CanvasSize.Height * (point.YValue + point.DefY - (defY * canvasView.Height / (canvasView.CanvasSize.Height * scaledRatioDef))) / canvasView.Height) * (scaledRatio / point.ScaledRatio) - lastYMove + (point.YPis * (scaledRatio / point.ScaledRatio))),
(float)(20 * scaledRatio), paint);
}
_colorChanged = false;
}