//=====================================================================================
/// <summary>
/// Draws a string right aligned to the specified position with the given
/// transform matrix and specified custom font settings.
/// </summary>
///
/// <param name="text"> text to draw </param>
/// <param name="box_pos"> position of box top left corner </param>
/// <param name="box_size"> size of box </param>
/// <param name="transform"> transform to use for drawing </param>
/// <param name="settings"> custom font settings to use </param>
//=====================================================================================
public void DrawCustomStringRightAligned( string text, Vector2 pos , Matrix transform , CustomFontSettings settings )
{
// Only do if everything is ok:
if ( text != null && text.Length != 0 )
{
// Break up into lines:
string[] lines = text.Split( new char[]{ '\n' } );
// Current y offset for the text:
float y_offset = 0;
// Save the current font settings:
float prev_size = m_size;
Vector4 prev_color = m_color;
float prev_char_spacing = m_char_spacing;
float prev_line_spacing = m_line_spacing;
Effect prev_effect = m_effect;
// Apply new ones:
m_size = settings.Size;
m_color = settings.Color;
m_char_spacing = settings.CharSpacing;
m_line_spacing = settings.LineSpacing;
m_effect = settings.Effect;
// Draw each line:
for ( int i = 0 ; i < lines.Length ; i++ )
{
// Get the size of the string:
Vector2 size = GetStringSize( lines[i] );
// Now figure out what x coordinate to draw it to right align:
float x = pos.X - size.X;
// Now just use the regular draw string function to draw at figured out position
DrawString( lines[i] , new Vector2( x , pos.Y + y_offset ) , transform );
// Increment y offset for the next line:
y_offset -= m_line_spacing + m_size;
}
// Restore old font settings:
m_size = prev_size;
m_color = prev_color;
m_char_spacing = prev_char_spacing;
m_line_spacing = prev_line_spacing;
m_effect = prev_effect;
}
}
//=====================================================================================
/// <summary>
/// Draws a custom formatted string centered horizontally over the given position
/// </summary>
///
/// <param name="text"> Text to draw. </param>
/// <param name="pos"> Position to draw the text at. </param>
/// <param name="settings"> Custom font settings to use. </param>
//=====================================================================================
public void DrawCustomStringCentered( string text, Vector2 pos , CustomFontSettings settings )
{
// Only do if everything is ok:
if ( text != null && text.Length != 0 )
{
// Break up into lines:
string[] lines = text.Split( new char[]{ '\n' } );
// Save the current font settings:
float prev_size = m_size;
Vector4 prev_color = m_color;
float prev_char_spacing = m_char_spacing;
float prev_line_spacing = m_line_spacing;
Effect prev_effect = m_effect;
// Apply new ones:
m_size = settings.Size;
m_color = settings.Color;
m_char_spacing = settings.CharSpacing;
m_line_spacing = settings.LineSpacing;
m_effect = settings.Effect;
// Current y offset for the text:
float y_offset = 0;
// Draw each line:
for ( int i = 0 ; i < lines.Length ; i++ )
{
// Get the size of the string:
Vector2 size = GetStringSize( lines[i] );
// Now figure out what x coord to draw it at to center the string horizontally:
float x = pos.X - ( size.X * 0.5f );
// Create an orthographic projection matrix:
Matrix projection = Matrix.CreateOrthographic
(
Core.Graphics.Device.Viewport.Width ,
Core.Graphics.Device.Viewport.Height ,
0 ,
1.0f
);
// Now just use the regular draw string function to draw at figured out position
DrawString( lines[i] , new Vector2( x , pos.Y + y_offset ) , projection );
// Increment y offset for the next line:
y_offset -= m_line_spacing + settings.Size;
}
// Restore old font settings:
m_size = prev_size;
m_color = prev_color;
m_char_spacing = prev_char_spacing;
m_line_spacing = prev_line_spacing;
m_effect = prev_effect;
}
}
//=========================================================================================
/// <summary>
/// Draws a string at the specified location with custom font settings.
/// </summary>
///
/// <param name="text"> Text to draw </param>
/// <param name="position"> Where to draw the text </param>
/// <param name="settings"> Custom font settings to use. </param>
//=========================================================================================
public void DrawCustomString( string text , Vector2 position , CustomFontSettings settings )
{
// Create an orthographic projection matrix:
Matrix projection = Matrix.CreateOrthographic
(
Core.Graphics.Device.Viewport.Width ,
Core.Graphics.Device.Viewport.Height ,
0 ,
1.0f
);
// Save the current font settings:
float prev_size = m_size;
Vector4 prev_color = m_color;
float prev_char_spacing = m_char_spacing;
float prev_line_spacing = m_line_spacing;
Effect prev_effect = m_effect;
// Apply new ones:
m_size = settings.Size;
m_color = settings.Color;
m_char_spacing = settings.CharSpacing;
m_line_spacing = settings.LineSpacing;
m_effect = settings.Effect;
// Draw the given string using this matrix:
DrawString( text , position , projection);
// Restore old font settings:
m_size = prev_size;
m_color = prev_color;
m_char_spacing = prev_char_spacing;
m_line_spacing = prev_line_spacing;
m_effect = prev_effect;
}
//=========================================================================================
/// <summary>
/// Draws a string at the specified location with custom font settings and the given transform.
/// </summary>
///
/// <param name="text"> Text to draw </param>
/// <param name="position"> Where to draw the text </param>
/// <param name="transform"> transform matrix to use </param>
/// <param name="settings"> Custom font settings to use. </param>
//=========================================================================================
public void DrawCustomString( string text , Vector2 position , Matrix transform , CustomFontSettings settings )
{
// Save the current font settings:
float prev_size = m_size;
Vector4 prev_color = m_color;
float prev_char_spacing = m_char_spacing;
float prev_line_spacing = m_line_spacing;
Effect prev_effect = m_effect;
// Apply new ones:
m_size = settings.Size;
m_color = settings.Color;
m_char_spacing = settings.CharSpacing;
m_line_spacing = settings.LineSpacing;
m_effect = settings.Effect;
// Draw the given string using the given matrix:
DrawString( text , position , transform );
// Restore old font settings:
m_size = prev_size;
m_color = prev_color;
m_char_spacing = prev_char_spacing;
m_line_spacing = prev_line_spacing;
m_effect = prev_effect;
}
//=====================================================================================
/// <summary>
/// Gets the dimensions for a given string with custom font settings.
/// </summary>
/// <param name="text"> String to get dimensions of when rendered </param>
/// <param name="settings"> Custom font settings to use for the calculations </param>
/// <returns> Total size that the string would take up when rendered. </returns>
//=====================================================================================
public Vector2 GetCustomStringSize( string text , CustomFontSettings settings )
{
// If the string is null then return zero:
if ( text == null ) return Vector2.Zero;
// Split the string into lines:
string[] lines = text.Split( '\n' );
// Store the maximum width of all the lines here:
float max_w = 0;
// Run through all the lines:
for ( int i = 0 ; i < lines.Length ; i++ )
{
// Store the maximum width of this line here:
float line_max_w = 0;
// Run through all the characters in this line:
for ( int j = 0 ; j < lines[i].Length ; j++ )
{
// Get this character:
char c = lines[i][j];
// If the draw character is a tab then move out to the next tab space:
if ( c == '\t' )
{
// Calculate x value of next tab space
float tab_x = (int)( ( line_max_w ) / ( settings.Size * 4.0f ) ) * ( settings.Size * 4.0f ) + ( settings.Size * 4.0f );
// Set the new max width of the line:
line_max_w = tab_x; continue;
}
// If the draw character is a space then increment by a fixed size:
if ( c == ' ' ){ line_max_w += settings.Size * SPACE_WIDTH_PERCENT; continue; }
// Increase the max width of the string according to char metrics and font size / spacing
line_max_w += m_metrics[c&0xff].tc_w * 16.0f * settings.Size;
// If this is the last character then do not apply char spacing:
if ( j < lines[i].Length - 1 ) line_max_w += settings.CharSpacing;
}
// If this line is longer than the current longest then save:
if ( line_max_w > max_w ) max_w = line_max_w;
}
// Return the dimensions of the text:
return new Vector2
(
max_w ,
lines.Length * settings.Size + MathHelper.Clamp( lines.Length - 1 , 0 , 10000000 ) * settings.LineSpacing
);
}
