/// <summary>
/// Resets the controls color (both HSL and RGB variables) based on the current slider position</summary>
private void ResetHSLRGB()
{
switch (m_eDrawStyle)
{
case eDrawStyle.Hue:
m_hsl.H = 1.0 - (double)m_iMarker_Start_Y / (Height - 9);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Saturation:
m_hsl.S = 1.0 - (double)m_iMarker_Start_Y / (Height - 9);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Brightness:
m_hsl.L = 1.0 - (double)m_iMarker_Start_Y / (Height - 9);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Red:
m_rgb = Color.FromArgb(m_rgb.A, 255 - Round(255 * (double)m_iMarker_Start_Y / (Height - 9)), m_rgb.G, m_rgb.B);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
case eDrawStyle.Green:
m_rgb = Color.FromArgb(m_rgb.A, m_rgb.R, 255 - Round(255 * (double)m_iMarker_Start_Y / (Height - 9)), m_rgb.B);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
case eDrawStyle.Blue:
m_rgb = Color.FromArgb(m_rgb.A, m_rgb.R, m_rgb.G, 255 - Round(255 * (double)m_iMarker_Start_Y / (Height - 9)));
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
}
}
/// <summary>
/// Draws the marker (circle) inside the color box</summary>
/// <param name="x">X-coordinate</param>
/// <param name="y">Y-coordinate</param>
/// <param name="Unconditional">Whether to draw the marker, even if its position has not changed</param>
private void DrawMarker(int x, int y, bool Unconditional) // *****
{ // * | *
if (x < 0)
{
x = 0; // * | *
}
if (x > Width - 4)
{
x = Width - 4; // * | *
}
if (y < 0)
{
y = 0; // * | *
}
if (y > Height - 4)
{
y = Height - 4; // *----X----*
}
// * | *
if (m_iMarker_Y == y && m_iMarker_X == x && !Unconditional) // * | *
{
return; // * | *
}
// * | *
ClearMarker(); // *****
m_iMarker_X = x;
m_iMarker_Y = y;
Graphics g = CreateGraphics();
Pen pen;
AdobeColors.HSL _hsl = GetColor(x, y); // The selected color determines the color of the marker drawn over
// it (black or white)
if (_hsl.L < (double)200 / 255)
{
pen = new Pen(Color.White); // White marker if selected color is dark
}
else if (_hsl.H < (double)26 / 360 || _hsl.H > (double)200 / 360)
{
if (_hsl.S > (double)70 / 255)
{
pen = new Pen(Color.White);
}
else
{
pen = new Pen(Color.Black); // Else use a black marker for lighter colors
}
}
else
{
pen = new Pen(Color.Black);
}
g.DrawEllipse(pen, x - 3, y - 3, 10, 10); // Draw the marker : 11 x 11 circle
DrawBorder(); // Force the border to be redrawn, just in case the marker has been drawn over it.
}
/// <summary>
/// Constructor</summary>
public ColorBox()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
// Initialize Colors
m_hsl = new AdobeColors.HSL();
m_hsl.H = 1.0;
m_hsl.S = 1.0;
m_hsl.L = 1.0;
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
m_eDrawStyle = eDrawStyle.Hue;
}
/// <summary>
/// Constructor</summary>
public ColorBox()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
// Initialize Colors
m_hsl = new AdobeColors.HSL();
m_hsl.H = 1.0;
m_hsl.S = 1.0;
m_hsl.L = 1.0;
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
m_eDrawStyle = eDrawStyle.Hue;
}
/// <summary>
/// Fills in the content of the control showing all values of Luminance (0 to 100%) for the given
/// Hue and Saturation</summary>
private void Draw_Style_Luminance()
{
Graphics g = CreateGraphics();
AdobeColors.HSL _hsl = new AdobeColors.HSL();
_hsl.H = m_hsl.H; // Use the H and S values of the current color (m_hsl)
_hsl.S = m_hsl.S;
for (int i = 0; i < Height - 8; i++) // i represents the current line of pixels we want to draw horizontally
{
_hsl.L = 1.0 - (double)i / (Height - 8); // L (Luminance) is based on the current vertical position
Pen pen = new Pen(AdobeColors.HSL_to_RGB(_hsl)); // Get the Color for this line
g.DrawLine(pen, 11, i + 4, Width - 11, i + 4); // Draw the line and loop back for next line
}
}
// The following functions do the real work of the control, drawing the primary content (the area between the slider)
//
/// <summary>
/// Fills in the content of the control showing all values of Hue (from 0 to 360)</summary>
private void Draw_Style_Hue()
{
Graphics g = CreateGraphics();
AdobeColors.HSL _hsl = new AdobeColors.HSL();
_hsl.S = 1.0; // S and L will both be at 100% for this DrawStyle
_hsl.L = 1.0;
for (int i = 0; i < Height - 8; i++) // i represents the current line of pixels we want to draw horizontally
{
_hsl.H = 1.0 - (double)i / (Height - 8); // H (hue) is based on the current vertical position
Pen pen = new Pen(AdobeColors.HSL_to_RGB(_hsl)); // Get the Color for this line
g.DrawLine(pen, 11, i + 4, Width - 11, i + 4); // Draw the line and loop back for next line
}
}
/// <summary>
/// Resets the controls color (both HSL and RGB variables) based on the current marker position</summary>
private void ResetHSLRGB()
{
int red, green, blue;
switch (m_eDrawStyle)
{
case eDrawStyle.Hue:
m_hsl.S = (double)m_iMarker_X / (Width - 4);
m_hsl.L = 1.0 - (double)m_iMarker_Y / (Height - 4);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Saturation:
m_hsl.H = (double)m_iMarker_X / (Width - 4);
m_hsl.L = 1.0 - (double)m_iMarker_Y / (Height - 4);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Brightness:
m_hsl.H = (double)m_iMarker_X / (Width - 4);
m_hsl.S = 1.0 - (double)m_iMarker_Y / (Height - 4);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Red:
blue = Round(255 * (double)m_iMarker_X / (Width - 4));
green = Round(255 * (1.0 - (double)m_iMarker_Y / (Height - 4)));
m_rgb = Color.FromArgb(m_rgb.A, m_rgb.R, green, blue);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
case eDrawStyle.Green:
blue = Round(255 * (double)m_iMarker_X / (Width - 4));
red = Round(255 * (1.0 - (double)m_iMarker_Y / (Height - 4)));
m_rgb = Color.FromArgb(m_rgb.A, red, m_rgb.G, blue);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
case eDrawStyle.Blue:
red = Round(255 * (double)m_iMarker_X / (Width - 4));
green = Round(255 * (1.0 - (double)m_iMarker_Y / (Height - 4)));
m_rgb = Color.FromArgb(m_rgb.A, red, green, m_rgb.B);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
}
}
/// <summary>
/// Draws the content of the control, filling in all color values with the provided hue value</summary>
private void Draw_Style_Hue()
{
Graphics g = CreateGraphics();
AdobeColors.HSL hsl_start = new AdobeColors.HSL();
AdobeColors.HSL hsl_end = new AdobeColors.HSL();
hsl_start.H = m_hsl.H;
hsl_end.H = m_hsl.H;
hsl_start.S = 0.0;
hsl_end.S = 1.0;
for (int i = 0; i < Height - 4; i++) // For each horizontal line in the control:
{
hsl_start.L = 1.0 - (double)i / (Height - 4); // Calculate luminance at this line (Hue and Saturation are constant)
hsl_end.L = hsl_start.L;
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(2, 2, Width - 4, 1), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 0, false);
g.FillRectangle(br, new Rectangle(2, i + 2, Width - 4, 1));
}
}
/// <summary>
/// Draws the content of the control, filling in all color values with the provided luminance or brightness value</summary>
private void Draw_Style_Luminance()
{
Graphics g = CreateGraphics();
AdobeColors.HSL hsl_start = new AdobeColors.HSL();
AdobeColors.HSL hsl_end = new AdobeColors.HSL();
hsl_start.L = m_hsl.L;
hsl_end.L = m_hsl.L;
hsl_start.S = 1.0;
hsl_end.S = 0.0;
for (int i = 0; i < Width - 4; i++) // For each vertical line in the control:
{
hsl_start.H = (double)i / (Width - 4); // Calculate Hue at this line (Saturation and Luminance are constant)
hsl_end.H = hsl_start.H;
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(2, 2, 1, Height - 4), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 90, false);
g.FillRectangle(br, new Rectangle(i + 2, 2, 1, Height - 4));
}
}
/// <summary>
/// Returns the graphed color at the x, y position on the control</summary>
/// <param name="x">X-coordinate</param>
/// <param name="y">Y-coordinate</param>
/// <returns>Color at position</returns>
private AdobeColors.HSL GetColor(int x, int y)
{
AdobeColors.HSL _hsl = new AdobeColors.HSL();
switch (m_eDrawStyle)
{
case eDrawStyle.Hue:
_hsl.H = m_hsl.H;
_hsl.S = (double)x / (Width - 4);
_hsl.L = 1.0 - (double)y / (Height - 4);
break;
case eDrawStyle.Saturation:
_hsl.S = m_hsl.S;
_hsl.H = (double)x / (Width - 4);
_hsl.L = 1.0 - (double)y / (Height - 4);
break;
case eDrawStyle.Brightness:
_hsl.L = m_hsl.L;
_hsl.H = (double)x / (Width - 4);
_hsl.S = 1.0 - (double)y / (Height - 4);
break;
case eDrawStyle.Red:
_hsl = AdobeColors.RGB_to_HSL(Color.FromArgb(m_rgb.R, Round(255 * (1.0 - (double)y / (Height - 4))), Round(255 * (double)x / (Width - 4))));
break;
case eDrawStyle.Green:
_hsl = AdobeColors.RGB_to_HSL(Color.FromArgb(Round(255 * (1.0 - (double)y / (Height - 4))), m_rgb.G, Round(255 * (double)x / (Width - 4))));
break;
case eDrawStyle.Blue:
_hsl = AdobeColors.RGB_to_HSL(Color.FromArgb(Round(255 * (double)x / (Width - 4)), Round(255 * (1.0 - (double)y / (Height - 4))), m_rgb.B));
break;
}
return(_hsl);
}
/// <summary>
/// Resets the controls color (both HSL and RGB variables) based on the current slider position</summary>
private void ResetHSLRGB()
{
switch (m_eDrawStyle)
{
case eDrawStyle.Hue :
m_hsl.H = 1.0 - (double)m_iMarker_Start_Y/(Height - 9);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Saturation :
m_hsl.S = 1.0 - (double)m_iMarker_Start_Y/(Height - 9);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Brightness :
m_hsl.L = 1.0 - (double)m_iMarker_Start_Y/(Height - 9);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Red :
m_rgb = Color.FromArgb(m_rgb.A, 255 - Round( 255 * (double)m_iMarker_Start_Y/(Height - 9) ), m_rgb.G, m_rgb.B);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
case eDrawStyle.Green :
m_rgb = Color.FromArgb(m_rgb.A, m_rgb.R, 255 - Round( 255 * (double)m_iMarker_Start_Y/(Height - 9) ), m_rgb.B);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
case eDrawStyle.Blue :
m_rgb = Color.FromArgb(m_rgb.A, m_rgb.R, m_rgb.G, 255 - Round( 255 * (double)m_iMarker_Start_Y/(Height - 9) ));
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
}
}
/// <summary>
/// Fills in the content of the control showing all values of Luminance (0 to 100%) for the given
/// Hue and Saturation</summary>
private void Draw_Style_Luminance()
{
Graphics g = CreateGraphics();
AdobeColors.HSL _hsl = new AdobeColors.HSL();
_hsl.H = m_hsl.H; // Use the H and S values of the current color (m_hsl)
_hsl.S = m_hsl.S;
for ( int i = 0; i < Height - 8; i++ ) // i represents the current line of pixels we want to draw horizontally
{
_hsl.L = 1.0 - (double)i/(Height - 8); // L (Luminance) is based on the current vertical position
Pen pen = new Pen(AdobeColors.HSL_to_RGB(_hsl)); // Get the Color for this line
g.DrawLine(pen, 11, i + 4, Width - 11, i + 4); // Draw the line and loop back for next line
}
}
// The following functions do the real work of the control, drawing the primary content (the area between the slider)
//
/// <summary>
/// Fills in the content of the control showing all values of Hue (from 0 to 360)</summary>
private void Draw_Style_Hue()
{
Graphics g = CreateGraphics();
AdobeColors.HSL _hsl = new AdobeColors.HSL();
_hsl.S = 1.0; // S and L will both be at 100% for this DrawStyle
_hsl.L = 1.0;
for ( int i = 0; i < Height - 8; i++ ) // i represents the current line of pixels we want to draw horizontally
{
_hsl.H = 1.0 - (double)i/(Height - 8); // H (hue) is based on the current vertical position
Pen pen = new Pen(AdobeColors.HSL_to_RGB(_hsl)); // Get the Color for this line
g.DrawLine(pen, 11, i + 4, Width - 11, i + 4); // Draw the line and loop back for next line
}
}
private void m_lbl_Secondary_Color_Click(object sender, System.EventArgs e)
{
Color secondary = m_lbl_Secondary_Color.BackColor;
m_rgb = Color.FromArgb(m_rgb.A, secondary.R, secondary.G, secondary.B);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
m_ctrl_BigBox.HSL = m_hsl;
m_ctrl_ThinBox.HSL = m_hsl;
m_lbl_Primary_Color.BackColor = MakeOpaque(m_rgb);
m_lbl_Primary_Color.Update();
m_cmyk = AdobeColors.RGB_to_CMYK(m_rgb);
m_txt_Hue.Text = Round(m_hsl.H * 360).ToString();
m_txt_Sat.Text = Round(m_hsl.S * 100).ToString();
m_txt_Bright.Text = Round(m_hsl.L * 100).ToString();
m_txt_Red.Text = m_rgb.R.ToString();
m_txt_Green.Text = m_rgb.G.ToString();
m_txt_Blue.Text = m_rgb.B.ToString();
m_txt_Cyan.Text = Round(m_cmyk.C * 100).ToString();
m_txt_Magenta.Text = Round(m_cmyk.M * 100).ToString();
m_txt_Yellow.Text = Round(m_cmyk.Y * 100).ToString();
m_txt_K.Text = Round(m_cmyk.K * 100).ToString();
m_txt_A.Text = m_rgb.A.ToString();
m_txt_Hue.Update();
m_txt_Sat.Update();
m_txt_Red.Update();
m_txt_Green.Update();
m_txt_Blue.Update();
m_txt_Cyan.Update();
m_txt_Magenta.Update();
m_txt_Yellow.Update();
m_txt_K.Update();
m_txt_A.Update();
}
private void m_txt_Hex_Leave(object sender, System.EventArgs e)
{
string text = m_txt_Hex.Text.ToUpper();
bool has_illegal_chars = false;
if ( text.Length <= 0 )
has_illegal_chars = true;
foreach ( char letter in text )
{
if ( !char.IsNumber(letter) )
{
if ( letter >= 'A' && letter <= 'F' )
continue;
has_illegal_chars = true;
break;
}
}
if ( has_illegal_chars )
{
MessageBox.Show("Hex must be a hex value between 00000000 and FFFFFFFF".Localize());
WriteHexData(m_rgb);
return;
}
Color hexColor = ParseHexData(text);
if (hexColor.IsEmpty)
{
WriteHexData(m_rgb);
return;
}
m_rgb = hexColor;
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
m_cmyk = AdobeColors.RGB_to_CMYK(m_rgb);
m_ctrl_BigBox.HSL = m_hsl;
m_ctrl_ThinBox.HSL = m_hsl;
m_lbl_Primary_Color.BackColor = m_rgb;
UpdateTextBoxes();
}
private void m_ctrl_ThinBox_ColorChanged(object sender, System.EventArgs e)
{
m_hsl = m_ctrl_ThinBox.HSL;
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
m_cmyk = AdobeColors.RGB_to_CMYK(m_rgb);
m_txt_Hue.Text = Round(m_hsl.H * 360).ToString();
m_txt_Sat.Text = Round(m_hsl.S * 100).ToString();
m_txt_Bright.Text = Round(m_hsl.L * 100).ToString();
m_txt_Red.Text = m_rgb.R.ToString();
m_txt_Green.Text = m_rgb.G.ToString();
m_txt_Blue.Text = m_rgb.B.ToString();
m_txt_Cyan.Text = Round(m_cmyk.C * 100).ToString();
m_txt_Magenta.Text = Round(m_cmyk.M * 100).ToString();
m_txt_Yellow.Text = Round(m_cmyk.Y * 100).ToString();
m_txt_K.Text = Round(m_cmyk.K * 100).ToString();
m_txt_A.Text = m_rgb.A.ToString();
m_txt_Hue.Update();
m_txt_Sat.Update();
m_txt_Bright.Update();
m_txt_Red.Update();
m_txt_Green.Update();
m_txt_Blue.Update();
m_txt_Cyan.Update();
m_txt_Magenta.Update();
m_txt_Yellow.Update();
m_txt_K.Update();
m_txt_A.Update();
m_ctrl_BigBox.HSL = m_hsl;
m_lbl_Primary_Color.BackColor = MakeOpaque(m_rgb);
m_lbl_Primary_Color.Update();
WriteHexData(m_rgb);
}
private void m_txt_K_Leave(object sender, System.EventArgs e)
{
string text = m_txt_K.Text;
bool has_illegal_chars = false;
if ( text.Length <= 0 )
has_illegal_chars = true;
else
foreach ( char letter in text )
{
if ( !char.IsNumber(letter) )
{
has_illegal_chars = true;
break;
}
}
if ( has_illegal_chars )
{
MessageBox.Show("Key must be a number between 0 and 100".Localize());
UpdateTextBoxes();
return;
}
int key = int.Parse(text);
if ( key < 0 )
{
m_txt_K.Text = "0";
m_cmyk.K = 0.0;
}
else if ( key > 100 )
{
m_txt_K.Text = "100";
m_cmyk.K = 1.0;
}
else
{
m_cmyk.K = (double)key/100;
}
m_rgb = AdobeColors.CMYK_to_RGB(m_cmyk);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
m_ctrl_BigBox.HSL = m_hsl;
m_ctrl_ThinBox.HSL = m_hsl;
m_lbl_Primary_Color.BackColor = MakeOpaque(m_rgb);
UpdateTextBoxes();
}
/// <summary>
/// Sets starting color</summary>
/// <param name="starting_color">The starting color</param>
/// <param name="enableAlpha">Enable the alpha channel iff true</param>
public void SetStartColor(Color starting_color, bool enableAlpha)
{
m_enableAlpha = enableAlpha;
if (enableAlpha)
{
m_txt_A.Visible = true;
m_lbl_A.Visible = true;
m_txt_Hex.MaxLength = 8;
}
else
{
starting_color = MakeOpaque(starting_color);
m_txt_A.Visible = false;
m_lbl_A.Visible = false;
m_txt_Hex.MaxLength = 6;
}
m_rgb = starting_color;
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
m_cmyk = AdobeColors.RGB_to_CMYK(m_rgb);
m_txt_Hue.Text = Round(m_hsl.H * 360).ToString();
m_txt_Sat.Text = Round(m_hsl.S * 100).ToString();
m_txt_Bright.Text = Round(m_hsl.L * 100).ToString();
m_txt_Red.Text = m_rgb.R.ToString();
m_txt_Green.Text = m_rgb.G.ToString();
m_txt_Blue.Text = m_rgb.B.ToString();
m_txt_Cyan.Text = Round(m_cmyk.C * 100).ToString();
m_txt_Magenta.Text = Round(m_cmyk.M * 100).ToString();
m_txt_Yellow.Text = Round(m_cmyk.Y * 100).ToString();
m_txt_K.Text = Round(m_cmyk.K * 100).ToString();
m_txt_A.Text = m_rgb.A.ToString();
m_txt_Hue.Update();
m_txt_Sat.Update();
m_txt_Red.Update();
m_txt_Green.Update();
m_txt_Blue.Update();
m_txt_Cyan.Update();
m_txt_Magenta.Update();
m_txt_Yellow.Update();
m_txt_K.Update();
m_txt_A.Update();
m_ctrl_BigBox.HSL = m_hsl;
m_ctrl_ThinBox.HSL = m_hsl;
m_lbl_Primary_Color.BackColor = MakeOpaque(starting_color);
m_lbl_Secondary_Color.BackColor = MakeOpaque(starting_color);
m_rbtn_Hue.Checked = true;
WriteHexData(m_rgb);
}
/// <summary>
/// Redraws only the content over the marker</summary>
private void ClearMarker()
{
Graphics g = CreateGraphics();
// Determine the area that needs to be redrawn
int start_x, start_y, end_x, end_y;
int red = 0; int green = 0; int blue = 0;
AdobeColors.HSL hsl_start = new AdobeColors.HSL();
AdobeColors.HSL hsl_end = new AdobeColors.HSL();
// Find the markers corners
start_x = m_iMarker_X - 5;
start_y = m_iMarker_Y - 5;
end_x = m_iMarker_X + 5;
end_y = m_iMarker_Y + 5;
// Adjust the area if part of it hangs outside the content area
if (start_x < 0)
{
start_x = 0;
}
if (start_y < 0)
{
start_y = 0;
}
if (end_x > Width - 4)
{
end_x = Width - 4;
}
if (end_y > Height - 4)
{
end_y = Height - 4;
}
// Redraw the content based on the current draw style:
// The code get's a little messy from here
switch (m_eDrawStyle)
{
// S=0,S=1,S=2,S=3.....S=100
// L=100
// L=99
// L=98 Drawstyle
// L=97 Hue
// ...
// L=0
case eDrawStyle.Hue:
hsl_start.H = m_hsl.H; hsl_end.H = m_hsl.H; // Hue is constant
hsl_start.S = (double)start_x / (Width - 4); // Because we're drawing horizontal lines, s will not change
hsl_end.S = (double)end_x / (Width - 4); // from line to line
for (int i = start_y; i <= end_y; i++) // For each horizontal line:
{
hsl_start.L = 1.0 - (double)i / (Height - 4); // Brightness (L) WILL change for each horizontal
hsl_end.L = hsl_start.L; // line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(start_x + 1, i + 2, end_x - start_x + 1, 1), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 0, false);
g.FillRectangle(br, new Rectangle(start_x + 2, i + 2, end_x - start_x + 1, 1));
}
break;
// H=0,H=1,H=2,H=3.....H=360
// L=100
// L=99
// L=98 Drawstyle
// L=97 Saturation
// ...
// L=0
case eDrawStyle.Saturation:
hsl_start.S = m_hsl.S; hsl_end.S = m_hsl.S; // Saturation is constant
hsl_start.L = 1.0 - (double)start_y / (Height - 4); // Because we're drawing vertical lines, L will
hsl_end.L = 1.0 - (double)end_y / (Height - 4); // not change from line to line
for (int i = start_x; i <= end_x; i++) // For each vertical line:
{
hsl_start.H = (double)i / (Width - 4); // Hue (H) WILL change for each vertical
hsl_end.H = hsl_start.H; // line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(i + 2, start_y + 1, 1, end_y - start_y + 2), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 90, false);
g.FillRectangle(br, new Rectangle(i + 2, start_y + 2, 1, end_y - start_y + 1));
}
break;
// H=0,H=1,H=2,H=3.....H=360
// S=100
// S=99
// S=98 Drawstyle
// S=97 Brightness
// ...
// S=0
case eDrawStyle.Brightness:
hsl_start.L = m_hsl.L; hsl_end.L = m_hsl.L; // Luminance is constant
hsl_start.S = 1.0 - (double)start_y / (Height - 4); // Because we're drawing vertical lines, S will
hsl_end.S = 1.0 - (double)end_y / (Height - 4); // not change from line to line
for (int i = start_x; i <= end_x; i++) // For each vertical line:
{
hsl_start.H = (double)i / (Width - 4); // Hue (H) WILL change for each vertical
hsl_end.H = hsl_start.H; // line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(i + 2, start_y + 1, 1, end_y - start_y + 2), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 90, false);
g.FillRectangle(br, new Rectangle(i + 2, start_y + 2, 1, end_y - start_y + 1));
}
break;
// B=0,B=1,B=2,B=3.....B=100
// G=100
// G=99
// G=98 Drawstyle
// G=97 Red
// ...
// G=0
case eDrawStyle.Red:
red = m_rgb.R; // Red is constant
int start_b = Round(255 * (double)start_x / (Width - 4)); // Because we're drawing horizontal lines, B
int end_b = Round(255 * (double)end_x / (Width - 4)); // will not change from line to line
for (int i = start_y; i <= end_y; i++) // For each horizontal line:
{
green = Round(255 - (255 * (double)i / (Height - 4))); // green WILL change for each horizontal line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(start_x + 1, i + 2, end_x - start_x + 1, 1), Color.FromArgb(red, green, start_b), Color.FromArgb(red, green, end_b), 0, false);
g.FillRectangle(br, new Rectangle(start_x + 2, i + 2, end_x - start_x + 1, 1));
}
break;
// B=0,B=1,B=2,B=3.....B=100
// R=100
// R=99
// R=98 Drawstyle
// R=97 Green
// ...
// R=0
case eDrawStyle.Green:
green = m_rgb.G;; // Green is constant
int start_b2 = Round(255 * (double)start_x / (Width - 4)); // Because we're drawing horizontal lines, B
int end_b2 = Round(255 * (double)end_x / (Width - 4)); // will not change from line to line
for (int i = start_y; i <= end_y; i++) // For each horizontal line:
{
red = Round(255 - (255 * (double)i / (Height - 4))); // red WILL change for each horizontal line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(start_x + 1, i + 2, end_x - start_x + 1, 1), Color.FromArgb(red, green, start_b2), Color.FromArgb(red, green, end_b2), 0, false);
g.FillRectangle(br, new Rectangle(start_x + 2, i + 2, end_x - start_x + 1, 1));
}
break;
// R=0,R=1,R=2,R=3.....R=100
// G=100
// G=99
// G=98 Drawstyle
// G=97 Blue
// ...
// G=0
case eDrawStyle.Blue:
blue = m_rgb.B;; // Blue is constant
int start_r = Round(255 * (double)start_x / (Width - 4)); // Because we're drawing horizontal lines, R
int end_r = Round(255 * (double)end_x / (Width - 4)); // will not change from line to line
for (int i = start_y; i <= end_y; i++) // For each horizontal line:
{
green = Round(255 - (255 * (double)i / (Height - 4))); // green WILL change for each horizontal line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(start_x + 1, i + 2, end_x - start_x + 1, 1), Color.FromArgb(start_r, green, blue), Color.FromArgb(end_r, green, blue), 0, false);
g.FillRectangle(br, new Rectangle(start_x + 2, i + 2, end_x - start_x + 1, 1));
}
break;
}
g.Dispose();
}
/// <summary>
/// Resets the controls color (both HSL and RGB variables) based on the current marker position</summary>
private void ResetHSLRGB()
{
int red, green, blue;
switch (m_eDrawStyle)
{
case eDrawStyle.Hue :
m_hsl.S = (double)m_iMarker_X/(Width - 4);
m_hsl.L = 1.0 - (double)m_iMarker_Y/(Height - 4);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Saturation :
m_hsl.H = (double)m_iMarker_X/(Width - 4);
m_hsl.L = 1.0 - (double)m_iMarker_Y/(Height - 4);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Brightness :
m_hsl.H = (double)m_iMarker_X/(Width - 4);
m_hsl.S = 1.0 - (double)m_iMarker_Y/(Height - 4);
m_rgb = AdobeColors.HSL_to_RGB(m_hsl);
break;
case eDrawStyle.Red :
blue = Round(255 * (double)m_iMarker_X/(Width - 4));
green = Round(255 * (1.0 - (double)m_iMarker_Y/(Height - 4)));
m_rgb = Color.FromArgb(m_rgb.A, m_rgb.R, green, blue);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
case eDrawStyle.Green :
blue = Round(255 * (double)m_iMarker_X/(Width - 4));
red = Round(255 * (1.0 - (double)m_iMarker_Y/(Height - 4)));
m_rgb = Color.FromArgb(m_rgb.A, red, m_rgb.G, blue);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
case eDrawStyle.Blue :
red = Round(255 * (double)m_iMarker_X/(Width - 4));
green = Round(255 * (1.0 - (double)m_iMarker_Y/(Height - 4)));
m_rgb = Color.FromArgb(m_rgb.A, red, green, m_rgb.B);
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
break;
}
}
/// <summary>
/// Draws the content of the control, filling in all color values with the provided luminance or brightness value</summary>
private void Draw_Style_Luminance()
{
Graphics g = CreateGraphics();
AdobeColors.HSL hsl_start = new AdobeColors.HSL();
AdobeColors.HSL hsl_end = new AdobeColors.HSL();
hsl_start.L = m_hsl.L;
hsl_end.L = m_hsl.L;
hsl_start.S = 1.0;
hsl_end.S = 0.0;
for ( int i = 0; i < Width - 4; i++ ) // For each vertical line in the control:
{
hsl_start.H = (double)i/(Width - 4); // Calculate Hue at this line (Saturation and Luminance are constant)
hsl_end.H = hsl_start.H;
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(2,2, 1, Height - 4), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 90, false);
g.FillRectangle(br,new Rectangle(i + 2, 2, 1, Height - 4));
}
g.Dispose();
}
/// <summary>
/// Redraws only the content over the marker</summary>
private void ClearMarker()
{
Graphics g = CreateGraphics();
// Determine the area that needs to be redrawn
int start_x, start_y, end_x, end_y;
int red = 0; int green = 0; int blue = 0;
AdobeColors.HSL hsl_start = new AdobeColors.HSL();
AdobeColors.HSL hsl_end = new AdobeColors.HSL();
// Find the markers corners
start_x = m_iMarker_X - 5;
start_y = m_iMarker_Y - 5;
end_x = m_iMarker_X + 5;
end_y = m_iMarker_Y + 5;
// Adjust the area if part of it hangs outside the content area
if ( start_x < 0 ) start_x = 0;
if ( start_y < 0 ) start_y = 0;
if ( end_x > Width - 4 ) end_x = Width - 4;
if ( end_y > Height - 4 ) end_y = Height - 4;
// Redraw the content based on the current draw style:
// The code get's a little messy from here
switch (m_eDrawStyle)
{
// S=0,S=1,S=2,S=3.....S=100
// L=100
// L=99
// L=98 Drawstyle
// L=97 Hue
// ...
// L=0
case eDrawStyle.Hue :
hsl_start.H = m_hsl.H; hsl_end.H = m_hsl.H; // Hue is constant
hsl_start.S = (double)start_x/(Width - 4); // Because we're drawing horizontal lines, s will not change
hsl_end.S = (double)end_x/(Width - 4); // from line to line
for ( int i = start_y; i <= end_y; i++ ) // For each horizontal line:
{
hsl_start.L = 1.0 - (double)i/(Height - 4); // Brightness (L) WILL change for each horizontal
hsl_end.L = hsl_start.L; // line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(start_x + 1,i + 2, end_x - start_x + 1, 1), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 0, false);
g.FillRectangle(br,new Rectangle(start_x + 2,i + 2, end_x - start_x + 1 , 1));
}
break;
// H=0,H=1,H=2,H=3.....H=360
// L=100
// L=99
// L=98 Drawstyle
// L=97 Saturation
// ...
// L=0
case eDrawStyle.Saturation :
hsl_start.S = m_hsl.S; hsl_end.S = m_hsl.S; // Saturation is constant
hsl_start.L = 1.0 - (double)start_y/(Height - 4); // Because we're drawing vertical lines, L will
hsl_end.L = 1.0 - (double)end_y/(Height - 4); // not change from line to line
for ( int i = start_x; i <= end_x; i++ ) // For each vertical line:
{
hsl_start.H = (double)i/(Width - 4); // Hue (H) WILL change for each vertical
hsl_end.H = hsl_start.H; // line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(i + 2,start_y + 1, 1, end_y - start_y + 2), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 90, false);
g.FillRectangle(br,new Rectangle(i + 2, start_y + 2, 1, end_y - start_y + 1));
}
break;
// H=0,H=1,H=2,H=3.....H=360
// S=100
// S=99
// S=98 Drawstyle
// S=97 Brightness
// ...
// S=0
case eDrawStyle.Brightness :
hsl_start.L = m_hsl.L; hsl_end.L = m_hsl.L; // Luminance is constant
hsl_start.S = 1.0 - (double)start_y/(Height - 4); // Because we're drawing vertical lines, S will
hsl_end.S = 1.0 - (double)end_y/(Height - 4); // not change from line to line
for ( int i = start_x; i <= end_x; i++ ) // For each vertical line:
{
hsl_start.H = (double)i/(Width - 4); // Hue (H) WILL change for each vertical
hsl_end.H = hsl_start.H; // line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(i + 2,start_y + 1, 1, end_y - start_y + 2), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 90, false);
g.FillRectangle(br,new Rectangle(i + 2, start_y + 2, 1, end_y - start_y + 1));
}
break;
// B=0,B=1,B=2,B=3.....B=100
// G=100
// G=99
// G=98 Drawstyle
// G=97 Red
// ...
// G=0
case eDrawStyle.Red :
red = m_rgb.R; // Red is constant
int start_b = Round(255 * (double)start_x/(Width - 4)); // Because we're drawing horizontal lines, B
int end_b = Round(255 * (double)end_x/(Width - 4)); // will not change from line to line
for ( int i = start_y; i <= end_y; i++ ) // For each horizontal line:
{
green = Round(255 - (255 * (double)i/(Height - 4))); // green WILL change for each horizontal line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(start_x + 1,i + 2, end_x - start_x + 1, 1), Color.FromArgb(red, green, start_b), Color.FromArgb(red, green, end_b), 0, false);
g.FillRectangle(br,new Rectangle(start_x + 2,i + 2, end_x - start_x + 1 , 1));
}
break;
// B=0,B=1,B=2,B=3.....B=100
// R=100
// R=99
// R=98 Drawstyle
// R=97 Green
// ...
// R=0
case eDrawStyle.Green :
green = m_rgb.G;; // Green is constant
int start_b2 = Round(255 * (double)start_x/(Width - 4)); // Because we're drawing horizontal lines, B
int end_b2 = Round(255 * (double)end_x/(Width - 4)); // will not change from line to line
for ( int i = start_y; i <= end_y; i++ ) // For each horizontal line:
{
red = Round(255 - (255 * (double)i/(Height - 4))); // red WILL change for each horizontal line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(start_x + 1,i + 2, end_x - start_x + 1, 1), Color.FromArgb(red, green, start_b2), Color.FromArgb(red, green, end_b2), 0, false);
g.FillRectangle(br,new Rectangle(start_x + 2,i + 2, end_x - start_x + 1 , 1));
}
break;
// R=0,R=1,R=2,R=3.....R=100
// G=100
// G=99
// G=98 Drawstyle
// G=97 Blue
// ...
// G=0
case eDrawStyle.Blue :
blue = m_rgb.B;; // Blue is constant
int start_r = Round(255 * (double)start_x/(Width - 4)); // Because we're drawing horizontal lines, R
int end_r = Round(255 * (double)end_x/(Width - 4)); // will not change from line to line
for ( int i = start_y; i <= end_y; i++ ) // For each horizontal line:
{
green = Round(255 - (255 * (double)i/(Height - 4))); // green WILL change for each horizontal line drawn
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(start_x + 1,i + 2, end_x - start_x + 1, 1), Color.FromArgb(start_r, green, blue), Color.FromArgb(end_r, green, blue), 0, false);
g.FillRectangle(br,new Rectangle(start_x + 2,i + 2, end_x - start_x + 1 , 1));
}
break;
}
g.Dispose();
}
///// <summary>
///// Evaluates the drawing style of the control and calls the appropriate
///// drawing function for content</summary>
//private void DrawContent()
//{
// switch (m_eDrawStyle)
// {
// case eDrawStyle.Hue :
// Draw_Style_Hue();
// break;
// case eDrawStyle.Saturation :
// Draw_Style_Saturation();
// break;
// case eDrawStyle.Brightness :
// Draw_Style_Luminance();
// break;
// case eDrawStyle.Red :
// Draw_Style_Red();
// break;
// case eDrawStyle.Green :
// Draw_Style_Green();
// break;
// case eDrawStyle.Blue :
// Draw_Style_Blue();
// break;
// }
//}
/// <summary>
/// Draws the content of the control, filling in all color values with the provided hue value</summary>
private void Draw_Style_Hue()
{
Graphics g = CreateGraphics();
AdobeColors.HSL hsl_start = new AdobeColors.HSL();
AdobeColors.HSL hsl_end = new AdobeColors.HSL();
hsl_start.H = m_hsl.H;
hsl_end.H = m_hsl.H;
hsl_start.S = 0.0;
hsl_end.S = 1.0;
for ( int i = 0; i < Height - 4; i++ ) // For each horizontal line in the control:
{
hsl_start.L = 1.0 - (double)i/(Height - 4); // Calculate luminance at this line (Hue and Saturation are constant)
hsl_end.L = hsl_start.L;
LinearGradientBrush br = new LinearGradientBrush(new Rectangle(2,2, Width - 4, 1), AdobeColors.HSL_to_RGB(hsl_start), AdobeColors.HSL_to_RGB(hsl_end), 0, false);
g.FillRectangle(br,new Rectangle(2,i + 2, Width - 4, 1));
}
g.Dispose();
}
/// <summary>
/// Returns the graphed color at the x, y position on the control</summary>
/// <param name="x">X-coordinate</param>
/// <param name="y">Y-coordinate</param>
/// <returns>Color at position</returns>
private AdobeColors.HSL GetColor(int x, int y)
{
AdobeColors.HSL _hsl = new AdobeColors.HSL();
switch (m_eDrawStyle)
{
case eDrawStyle.Hue :
_hsl.H = m_hsl.H;
_hsl.S = (double)x/(Width - 4);
_hsl.L = 1.0 - (double)y/(Height - 4);
break;
case eDrawStyle.Saturation :
_hsl.S = m_hsl.S;
_hsl.H = (double)x/(Width - 4);
_hsl.L = 1.0 - (double)y/(Height - 4);
break;
case eDrawStyle.Brightness :
_hsl.L = m_hsl.L;
_hsl.H = (double)x/(Width - 4);
_hsl.S = 1.0 - (double)y/(Height - 4);
break;
case eDrawStyle.Red :
_hsl = AdobeColors.RGB_to_HSL(Color.FromArgb(m_rgb.R, Round(255 * (1.0 - (double)y/(Height - 4))), Round(255 * (double)x/(Width - 4))));
break;
case eDrawStyle.Green :
_hsl = AdobeColors.RGB_to_HSL(Color.FromArgb(Round(255 * (1.0 - (double)y/(Height - 4))), m_rgb.G, Round(255 * (double)x/(Width - 4))));
break;
case eDrawStyle.Blue :
_hsl = AdobeColors.RGB_to_HSL(Color.FromArgb(Round(255 * (double)x/(Width - 4)), Round(255 * (1.0 - (double)y/(Height - 4))), m_rgb.B));
break;
}
return _hsl;
}
private void m_txt_A_Leave(object sender, System.EventArgs e)
{
string text = m_txt_A.Text;
bool has_illegal_chars = false;
if ( text.Length <= 0 )
has_illegal_chars = true;
else
foreach ( char letter in text )
{
if ( !char.IsNumber(letter) )
{
has_illegal_chars = true;
break;
}
}
if ( has_illegal_chars )
{
MessageBox.Show("Alpha must be a number between 0 and 255".Localize());
UpdateTextBoxes();
return;
}
int alpha = int.Parse(text);
if ( alpha < 0 )
{
m_txt_Red.Text = "0";
m_rgb = Color.FromArgb(0, m_rgb.R, m_rgb.G, m_rgb.B);
}
else if ( alpha > 255 )
{
m_txt_Red.Text = "255";
m_rgb = Color.FromArgb(255, m_rgb.R, m_rgb.G, m_rgb.B);
}
else
{
m_rgb = Color.FromArgb(alpha, m_rgb.R, m_rgb.G, m_rgb.B);
}
m_hsl = AdobeColors.RGB_to_HSL(m_rgb);
m_cmyk = AdobeColors.RGB_to_CMYK(m_rgb);
m_ctrl_BigBox.HSL = m_hsl;
m_ctrl_ThinBox.HSL = m_hsl;
m_lbl_Primary_Color.BackColor = MakeOpaque(m_rgb);
UpdateTextBoxes();
}