mirror of
https://github.com/Ryujinx/Opentk.git
synced 2025-01-12 20:05:41 +00:00
Removed the old TextPrinter implementation.
This commit is contained in:
the_fiddler
parent
e1beaf3744
commit
d3b57e6c5a
|
|
@ -28,277 +28,42 @@ namespace OpenTK.Graphics
|
||||||
/// </summary>
|
/// </summary>
|
||||||
public sealed class TextPrinter : ITextPrinter
|
public sealed class TextPrinter : ITextPrinter
|
||||||
{
|
{
|
||||||
//static Regex break_point = new Regex("[ .,/*-+?\\!=]", RegexOptions.Compiled | RegexOptions.IgnoreCase);
|
#region Fields
|
||||||
//static char[] split_chars = new char[]
|
|
||||||
//{
|
GlyphCache glyph_cache;
|
||||||
// ' ', '\n', '\t', ',', '.', '/', '?', '!', ';', '\\', '-', '+', '*', '='
|
IGlyphRasterizer glyph_rasterizer;
|
||||||
//};
|
ITextOutputProvider text_output;
|
||||||
static ITextPrinterImplementation printer;
|
|
||||||
float[] viewport = new float[4];
|
float[] viewport = new float[4];
|
||||||
// Interleaved, vertex, texcoord, vertex, etc... Starts with 8 chars, will expand as needed.
|
|
||||||
Vector2[] vertices = new Vector2[8 * 8];
|
|
||||||
ushort[] indices = new ushort[6 * 8];
|
|
||||||
List<RectangleF> ranges = new List<RectangleF>();
|
|
||||||
|
|
||||||
|
|
||||||
#region --- Constructors ---
|
|
||||||
|
|
||||||
public TextPrinter(ITextPrinterImplementation implementation)
|
|
||||||
{
|
|
||||||
if (implementation == null)
|
|
||||||
throw new ArgumentNullException("implementation");
|
|
||||||
printer = implementation;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endregion
|
#endregion
|
||||||
|
|
||||||
#region --- Private Members ---
|
#region Constructors
|
||||||
|
|
||||||
#region static ITextPrinterImplementation Printer
|
|
||||||
|
|
||||||
/// <summary>
|
/// <summary>
|
||||||
/// Checks the machine's capabilities and selects the fastest method to print text.
|
/// Constructs a new TextPrinter object.
|
||||||
/// </summary>
|
/// </summary>
|
||||||
static ITextPrinterImplementation Printer
|
public TextPrinter()
|
||||||
|
: this(null, null)
|
||||||
{
|
{
|
||||||
get
|
}
|
||||||
{
|
|
||||||
if (printer == null)
|
|
||||||
{
|
|
||||||
|
|
||||||
printer = (ITextPrinterImplementation)new DisplayListTextPrinter();
|
TextPrinter(IGlyphRasterizer rasterizer, ITextOutputProvider output/*, IGlyphCacheProvider, ITextOutputProvider */)
|
||||||
//GL.SupportsExtension("VERSION_1_5") ?
|
{
|
||||||
//(ITextPrinterImplementation)new VboTextPrinter() :
|
if (rasterizer == null)
|
||||||
//GL.SupportsExtension("ARB_vertex_buffer_object") ? null :
|
rasterizer = new GdiPlusGlyphRasterizer();
|
||||||
//GL.SupportsExtension("VERSION_1_1") ? null : null;
|
|
||||||
if (printer == null)
|
|
||||||
throw new NotSupportedException("TextPrinter requires at least OpenGL 1.1 support.");
|
|
||||||
|
|
||||||
Debug.Print("Using {0} for font printing.", printer);
|
if (output == null)
|
||||||
}
|
output = new GL1TextOutputProvider();
|
||||||
return printer;
|
|
||||||
}
|
glyph_rasterizer = rasterizer;
|
||||||
|
glyph_cache = new GlyphCache(rasterizer);
|
||||||
|
text_output = output;
|
||||||
}
|
}
|
||||||
|
|
||||||
#endregion
|
#endregion
|
||||||
|
|
||||||
#endregion
|
#region ITextPrinter Members
|
||||||
|
|
||||||
#region --- ITextPrinter Members ---
|
|
||||||
|
|
||||||
#region public void Prepare(string text, TextureFont font, out TextHandle handle)
|
|
||||||
|
|
||||||
/// <summary>
|
|
||||||
/// Prepares text for drawing.
|
|
||||||
/// </summary>
|
|
||||||
/// <param name="text">The string to draw.</param>
|
|
||||||
/// <param name="font">The font to use for drawing.</param>
|
|
||||||
/// <param name="handle">The handle to the cached text. Use this to draw the text with the Draw() function.</param>
|
|
||||||
/// <see cref="TextPrinter.Draw()"/>
|
|
||||||
public void Prepare(string text, TextureFont font, out TextHandle handle)
|
|
||||||
{
|
|
||||||
this.Prepare(text, font, out handle, 0, false, StringAlignment.Near, false);
|
|
||||||
}
|
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region public void Prepare(string text, TextureFont font, out TextHandle handle, float width, bool wordWarp)
|
|
||||||
|
|
||||||
/// <summary>
|
|
||||||
/// Prepares text for drawing.
|
|
||||||
/// </summary>
|
|
||||||
/// <param name="text">The string to draw.</param>
|
|
||||||
/// <param name="font">The font to use for drawing.</param>
|
|
||||||
/// <param name="handle">The handle to the cached text. Use this to draw the text with the Draw() function.</param>
|
|
||||||
/// <param name="width">Not implemented.</param>
|
|
||||||
/// <param name="wordWarp">Not implemented.</param>
|
|
||||||
/// <see cref="TextPrinter.Draw()"/>
|
|
||||||
public void Prepare(string text, TextureFont font, out TextHandle handle, float width, bool wordWarp)
|
|
||||||
{
|
|
||||||
this.Prepare(text, font, out handle, width, wordWarp, StringAlignment.Near, false);
|
|
||||||
}
|
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region public void Prepare(string text, TextureFont font, out TextHandle handle, float width, bool wordWarp, StringAlignment alignment)
|
|
||||||
|
|
||||||
/// <summary>
|
|
||||||
/// Prepares text for drawing.
|
|
||||||
/// </summary>
|
|
||||||
/// <param name="text">The string to draw.</param>
|
|
||||||
/// <param name="font">The font to use for drawing.</param>
|
|
||||||
/// <param name="handle">The handle to the cached text. Use this to draw the text with the Draw() function.</param>
|
|
||||||
/// <param name="width">Not implemented.</param>
|
|
||||||
/// <param name="wordWarp">Not implemented.</param>
|
|
||||||
/// <param name="alignment">Not implemented.</param>
|
|
||||||
/// <see cref="TextPrinter.Draw()"/>
|
|
||||||
public void Prepare(string text, TextureFont font, out TextHandle handle, float width, bool wordWarp, StringAlignment alignment)
|
|
||||||
{
|
|
||||||
this.Prepare(text, font, out handle, width, wordWarp, alignment, false);
|
|
||||||
}
|
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region public void Prepare(string text, TextureFont font, out TextHandle handle, float width, bool wordWarp, StringAlignment alignment, bool rightToLeft)
|
|
||||||
|
|
||||||
/// <summary>
|
|
||||||
/// Prepares text for drawing.
|
|
||||||
/// </summary>
|
|
||||||
/// <param name="text">The string to draw.</param>
|
|
||||||
/// <param name="font">The font to use for drawing.</param>
|
|
||||||
/// <param name="handle">The handle to the cached text. Use this to draw the text with the Draw() function.</param>
|
|
||||||
/// <param name="width">Not implemented.</param>
|
|
||||||
/// <param name="wordWarp">Not implemented.</param>
|
|
||||||
/// <param name="alignment">Not implemented.</param>
|
|
||||||
/// <param name="rightToLeft">Not implemented.</param>
|
|
||||||
/// <see cref="TextPrinter.Draw()"/>
|
|
||||||
/// <exception cref="NotSupportedException">Occurs when OpenGL 1.1 is not supported.</exception>
|
|
||||||
public void Prepare(string text, TextureFont font, out TextHandle handle, float width, bool wordWarp, StringAlignment alignment, bool rightToLeft)
|
|
||||||
{
|
|
||||||
int num_indices;
|
|
||||||
|
|
||||||
PerformLayout(text, font, width, wordWarp, alignment, rightToLeft, ref vertices, ref indices, out num_indices);
|
|
||||||
|
|
||||||
handle = Printer.Load(vertices, indices, num_indices);
|
|
||||||
handle.Font = font;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region void PerformLayout(string text, TextureFont font, float width, bool wordWarp, StringAlignment alignment, bool rightToLeft, ref Vector2[] vertices, ref ushort[] indices, out int num_indices)
|
|
||||||
|
|
||||||
// Performs layout on the given string.
|
|
||||||
void PerformLayout(string text, TextureFont font, float width, bool wordWarp, StringAlignment alignment,
|
|
||||||
bool rightToLeft, ref Vector2[] vertices, ref ushort[] indices, out int num_indices)
|
|
||||||
{
|
|
||||||
if (text == null)
|
|
||||||
throw new ArgumentNullException("Parameter cannot be null.", "text");
|
|
||||||
|
|
||||||
if (text.Length > 8192)
|
|
||||||
throw new ArgumentOutOfRangeException("text", text.Length, "Text length must be between 1 and 8192 characters");
|
|
||||||
|
|
||||||
if (wordWarp || rightToLeft || alignment != StringAlignment.Near)
|
|
||||||
throw new NotImplementedException();
|
|
||||||
|
|
||||||
if (8 * text.Length > vertices.Length)
|
|
||||||
vertices = new Vector2[Math.Functions.NextPowerOfTwo(8 * text.Length)];
|
|
||||||
|
|
||||||
if (6 * text.Length > indices.Length)
|
|
||||||
indices = new ushort[Math.Functions.NextPowerOfTwo(6 * text.Length)];
|
|
||||||
|
|
||||||
num_indices = 6 * text.Length;
|
|
||||||
|
|
||||||
//Vector2[] vertices = new Vector2[8 * text.Length]; // Interleaved, vertex, texcoord, vertex, etc...
|
|
||||||
//ushort[] indices = new ushort[6 * text.Length];
|
|
||||||
float x_pos = 0, y_pos = 0;
|
|
||||||
ushort i = 0, index_count = 0, vertex_count = 0;
|
|
||||||
RectangleF rect = new RectangleF();
|
|
||||||
float char_width, char_height;
|
|
||||||
int texture;
|
|
||||||
|
|
||||||
font.LoadGlyphs(text);
|
|
||||||
|
|
||||||
// Every character comprises of 4 vertices, forming two triangles. We generate an index array which
|
|
||||||
// indexes vertices in a triangle-list fashion.
|
|
||||||
// This algorithm works for left-to-right scripts.
|
|
||||||
|
|
||||||
if (alignment == StringAlignment.Near && !rightToLeft || alignment == StringAlignment.Far && rightToLeft)
|
|
||||||
{
|
|
||||||
font.MeasureText(text, SizeF.Empty, null, ranges);
|
|
||||||
|
|
||||||
int current = 0;
|
|
||||||
|
|
||||||
foreach (char c in text)
|
|
||||||
{
|
|
||||||
if (c == '\n' || c == '\r')
|
|
||||||
continue;
|
|
||||||
else if (Char.IsWhiteSpace(c))
|
|
||||||
{
|
|
||||||
current++;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
RectangleF range = ranges[current++];
|
|
||||||
|
|
||||||
x_pos = range.X;
|
|
||||||
y_pos = range.Y;
|
|
||||||
|
|
||||||
font.GlyphData(c, out char_width, out char_height, out rect, out texture);
|
|
||||||
|
|
||||||
vertices[vertex_count].X = x_pos; // Vertex
|
|
||||||
vertices[vertex_count++].Y = y_pos;
|
|
||||||
vertices[vertex_count].X = rect.Left; // Texcoord
|
|
||||||
vertices[vertex_count++].Y = rect.Top;
|
|
||||||
vertices[vertex_count].X = x_pos; // Vertex
|
|
||||||
vertices[vertex_count++].Y = y_pos + char_height;
|
|
||||||
vertices[vertex_count].X = rect.Left; // Texcoord
|
|
||||||
vertices[vertex_count++].Y = rect.Bottom;
|
|
||||||
|
|
||||||
vertices[vertex_count].X = x_pos + char_width; // Vertex
|
|
||||||
vertices[vertex_count++].Y = y_pos + char_height;
|
|
||||||
vertices[vertex_count].X = rect.Right; // Texcoord
|
|
||||||
vertices[vertex_count++].Y = rect.Bottom;
|
|
||||||
vertices[vertex_count].X = x_pos + char_width; // Vertex
|
|
||||||
vertices[vertex_count++].Y = y_pos;
|
|
||||||
vertices[vertex_count].X = rect.Right; // Texcoord
|
|
||||||
vertices[vertex_count++].Y = rect.Top;
|
|
||||||
|
|
||||||
indices[index_count++] = (ushort)(vertex_count - 8);
|
|
||||||
indices[index_count++] = (ushort)(vertex_count - 6);
|
|
||||||
indices[index_count++] = (ushort)(vertex_count - 4);
|
|
||||||
|
|
||||||
indices[index_count++] = (ushort)(vertex_count - 4);
|
|
||||||
indices[index_count++] = (ushort)(vertex_count - 2);
|
|
||||||
indices[index_count++] = (ushort)(vertex_count - 8);
|
|
||||||
|
|
||||||
++i;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if (alignment != StringAlignment.Center)
|
|
||||||
{
|
|
||||||
throw new NotImplementedException("This feature is not yet implemented. Sorry for the inconvenience.");
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
throw new NotImplementedException("This feature is not yet implemented. Sorry for the inconvenience.");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region public void Draw(TextHandle handle)
|
|
||||||
|
|
||||||
/// <summary>
|
|
||||||
/// Draws the cached text referred to by the TextHandle.
|
|
||||||
/// </summary>
|
|
||||||
/// <param name="handle">The TextHandle to the cached text.</param>
|
|
||||||
public void Draw(TextHandle handle)
|
|
||||||
{
|
|
||||||
GL.BindTexture(TextureTarget.Texture2D, handle.Font.Texture);
|
|
||||||
|
|
||||||
Printer.Draw(handle);
|
|
||||||
}
|
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region public void Draw(string text, TextureFont font)
|
|
||||||
|
|
||||||
/// <summary>
|
|
||||||
/// Draws dynamic text without caching. Not implemented yet!
|
|
||||||
/// </summary>
|
|
||||||
/// <param name="text">The System.String to draw.</param>
|
|
||||||
/// <param name="font">The OpenTK.Graphics.TextureFont to draw the text in.</param>
|
|
||||||
public void Draw(string text, TextureFont font)
|
|
||||||
{
|
|
||||||
int num_indices;
|
|
||||||
PerformLayout(text, font, 0, false, StringAlignment.Near, false, ref vertices, ref indices, out num_indices);
|
|
||||||
|
|
||||||
GL.BindTexture(TextureTarget.Texture2D, font.Texture);
|
|
||||||
|
|
||||||
Printer.Draw(vertices, indices, num_indices);
|
|
||||||
}
|
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region public void Begin()
|
#region public void Begin()
|
||||||
|
|
||||||
|
|
@ -354,49 +119,6 @@ namespace OpenTK.Graphics
|
||||||
|
|
||||||
#endregion
|
#endregion
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region New Implementation
|
|
||||||
|
|
||||||
#region Fields
|
|
||||||
|
|
||||||
Dictionary<Font, TextureFont> font_cache = new Dictionary<Font, TextureFont>();
|
|
||||||
|
|
||||||
GlyphCache glyph_cache;
|
|
||||||
IGlyphRasterizer glyph_rasterizer;
|
|
||||||
ITextOutputProvider text_output;
|
|
||||||
|
|
||||||
//TextExtents text_extents = new TextExtents();
|
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region Constructors
|
|
||||||
|
|
||||||
/// <summary>
|
|
||||||
/// Constructs a new TextPrinter object.
|
|
||||||
/// </summary>
|
|
||||||
public TextPrinter()
|
|
||||||
: this(null, null)
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
TextPrinter(IGlyphRasterizer rasterizer, ITextOutputProvider output/*, IGlyphCacheProvider, ITextOutputProvider */)
|
|
||||||
{
|
|
||||||
if (rasterizer == null)
|
|
||||||
rasterizer = new GdiPlusGlyphRasterizer();
|
|
||||||
|
|
||||||
if (output == null)
|
|
||||||
output = new GL1TextOutputProvider();
|
|
||||||
|
|
||||||
glyph_rasterizer = rasterizer;
|
|
||||||
glyph_cache = new GlyphCache(rasterizer);
|
|
||||||
text_output = output;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endregion
|
|
||||||
|
|
||||||
#region Public Members
|
|
||||||
|
|
||||||
#region Print
|
#region Print
|
||||||
|
|
||||||
public void Print(string text, Font font)
|
public void Print(string text, Font font)
|
||||||
|
|
@ -521,7 +243,5 @@ namespace OpenTK.Graphics
|
||||||
#endregion
|
#endregion
|
||||||
|
|
||||||
#endregion
|
#endregion
|
||||||
|
|
||||||
#endregion
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue