public PlainText(bool autoSize, string text, Color color, QFontAlignment alignment, float offsetX, float offsetY)
{
this.AutoSize = autoSize;
this.text = text;
this.Color = color;
this.Alignment = alignment;
this.offsetX = offsetX;
this.offsetY = offsetY;
}
/// <summary>
/// Initializes a new <see cref="TextObject" /> instance.
/// </summary>
/// <param name="text">The initial text to set for this text object.</param>
/// <param name="font">The font to use for this text object.</param>
/// <param name="position">The intitial position of this text object.</param>
/// <param name="alignment">The intitial alignment of the text in this text object.</param>
public TextObject(string text, Font font, Point<int> position = new Point<int>(),
QFontAlignment alignment = QFontAlignment.Centre)
{
if (font == null)
throw new EngineException("Font supplied for TextObject is null!", new ArgumentNullException("font"));
Text = text;
Font = font;
Position = position;
Alignment = alignment;
}
/// <summary>
/// Measures the actual width and height of the block of text.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <param name="alignment"></param>
/// <returns></returns>
public SizeF Measure(string text, SizeF maxSize, QFontAlignment alignment)
{
var processedText = ProcessText(text, maxSize, alignment);
return(Measure(processedText));
}
public void PrintToVBO(string text, QFontAlignment alignment, Vector3 position, Color color, SizeF maxSize)
{
Options.Colour = color;
PrintOffset = position;
Print(text, maxSize, alignment);
}
public void PrintToVBO(string text, Vector3 position, Color color, QFontAlignment alignment = QFontAlignment.Left)
{
Options.Colour = color;
PrintOffset = position;
PrintOrMeasure(text, alignment, false);
}
/// <summary>
/// Measures the actual width and height of the block of text.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <param name="alignment"></param>
/// <returns></returns>
public SizeF Measure(string text, float maxWidth, QFontAlignment alignment)
{
var processedText = ProcessText(text, maxWidth, alignment);
return Measure(processedText);
}
public void Print(string text, Vector2 position, QFontAlignment alignment = QFontAlignment.Left)
{
position = TransformPositionToViewport(position);
position = LockToPixel(position);
GL.PushMatrix();
GL.Translate(position.X, position.Y, 0f);
Print(text, alignment);
GL.PopMatrix();
}
public void Print(string text, QFontAlignment alignment = QFontAlignment.Left, PointF position = default(PointF))
{
position = LockToPixel(position);
renderer.Begin(position);
PrintOrMeasure(text, alignment, false);
renderer.End();
}
public void Print(string text, Vector3 position, Color color, QFontAlignment alignment = QFontAlignment.Left)
{
var position2 = new Vector2(position.X, position.Y);
position2 = TransformPositionToViewport(position2);
position2 = LockToPixel(position2);
Options.Colour = color;
GL.PushMatrix();
GL.Translate(position.X, position.Y, 0f);
PrintOrMeasure(text, alignment, false);
GL.PopMatrix();
}
private void HandleKeyDown(object sender, KeyboardKeyEventArgs keyEventArgs)
{
int texmax = GL.GetInteger(GetPName.MaxTextureSize);
switch (keyEventArgs.Key)
{
case Key.Escape:
Exit();
break;
case Key.Space:
case Key.Right:
currentDemoPage++;
break;
case Key.BackSpace:
case Key.Left:
currentDemoPage--;
break;
case Key.Enter:
{
if (currentDemoPage == 4)
{
boundsAnimationCnt = 0f;
}
break;
}
case Key.Up:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Justify)
{
cycleAlignment = QFontAlignment.Left;
}
else
{
cycleAlignment++;
}
}
break;
}
case Key.Down:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Left)
{
cycleAlignment = QFontAlignment.Justify;
}
else
{
cycleAlignment--;
}
}
break;
}
case Key.F9:
break;
}
if (currentDemoPage > lastPage)
{
currentDemoPage = lastPage;
}
if (currentDemoPage < 0)
{
currentDemoPage = 0;
}
}
static void OnKeyPress(GlfwWindowPtr window, Key KeyCode, int Scancode, KeyAction Action, KeyModifiers Mods)
{
int texmax = GL.GetInteger(GetPName.MaxTextureSize);
if (Action == KeyAction.Press)
{
switch (KeyCode)
{
case Key.Escape:
Glfw.SetWindowShouldClose(window, true);
break;
case Key.Space:
case Key.Right:
currentDemoPage++;
break;
case Key.Backspace:
case Key.Left:
currentDemoPage--;
break;
case Key.Enter:
{
if (currentDemoPage == 4)
{
boundsAnimationCnt = 0f;
}
break;
}
case Key.Up:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Justify)
{
cycleAlignment = QFontAlignment.Left;
}
else
{
cycleAlignment++;
}
}
break;
}
case Key.Down:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Left)
{
cycleAlignment = QFontAlignment.Justify;
}
else
{
cycleAlignment--;
}
}
break;
}
}
}
if (currentDemoPage > lastPage)
{
currentDemoPage = lastPage;
}
if (currentDemoPage < 0)
{
currentDemoPage = 0;
}
}
/// <summary>
/// Creates node list object associated with the text.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <returns></returns>
public static ProcessedText ProcessText(QFont font, QFontRenderOptions options, string text, SizeF maxSize, QFontAlignment alignment)
{
return(ProcessText(font.FontData, options, text, maxSize, alignment));
}
private SizeF PrintOrMeasure(string text, QFontAlignment alignment, bool measureOnly,
Rectangle clippingRectangle = default(Rectangle))
{
var maxWidth = 0f;
var xOffset = 0f;
var yOffset = 0f;
var maxXpos = float.MinValue;
var minXPos = float.MaxValue;
text = text.Replace("\r\n", "\r");
#if DEBUG
_DisplayText_dbg = text;
#endif
if (alignment == QFontAlignment.Right)
{
xOffset -= MeasureNextlineLength(text);
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (int)(0.5f * MeasureNextlineLength(text));
}
var lineSpacing = LineSpacing();
var isMonospacingActive = IsMonospacingActive();
for (var i = 0; i < text.Length; i++)
{
var c = text[i];
//newline
if (c == '\r' || c == '\n')
{
yOffset += lineSpacing;
xOffset = 0f;
if (alignment == QFontAlignment.Right)
{
xOffset -= MeasureNextlineLength(text.Substring(i + 1));
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (int)(0.5f * MeasureNextlineLength(text.Substring(i + 1)));
}
}
else
{
minXPos = Math.Min(xOffset, minXPos);
if (c == ' ')
{
xOffset += isMonospacingActive
? MonoSpaceWidth()
: (float)Math.Ceiling(Font.meanGlyphWidth * Options.WordSpacing);
}
else
{
QFontGlyph glyph;
//normal character
if (Font.CharSetMapping.TryGetValue(c, out glyph))
{
if (!measureOnly)
{
RenderGlyph(xOffset, yOffset, c, Font, CurrentVertexRepr, ref clippingRectangle);
}
if (isMonospacingActive)
{
xOffset += MonoSpaceWidth();
}
else
{
xOffset += (float)Math.Ceiling(
glyph.rect.Width + Font.meanGlyphWidth * Options.CharacterSpacing +
Font.GetKerningPairCorrection(i, text, null));
}
}
}
maxXpos = Math.Max(xOffset, maxXpos);
}
}
if (minXPos != float.MaxValue)
{
maxWidth = maxXpos - minXPos;
}
LastSize = new SizeF(maxWidth, yOffset + lineSpacing);
return(LastSize);
}
private void KeyDown(object sender, KeyboardKeyEventArgs keyEventArgs)
{
switch (keyEventArgs.Key)
{
case Key.Space:
case Key.Right:
currentDemoPage++;
break;
case Key.BackSpace:
case Key.Left:
currentDemoPage--;
break;
case Key.Enter:
{
if (currentDemoPage == 4)
{
boundsAnimationCnt = 0f;
}
}
break;
case Key.Up:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Justify)
{
cycleAlignment = QFontAlignment.Left;
}
else
{
cycleAlignment++;
}
}
}
break;
case Key.Down:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Left)
{
cycleAlignment = QFontAlignment.Justify;
}
else
{
cycleAlignment--;
}
}
}
break;
case Key.F9:
break;
}
if (currentDemoPage > lastPage)
{
currentDemoPage = lastPage;
}
if (currentDemoPage < 1)
{
currentDemoPage = 1;
}
}
/// <summary>
/// Measures the specified text. Helper method delegating functionality.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="maxSize">The maximum size.</param>
/// <param name="alignment">The alignment.</param>
/// <returns>Measured size</returns>
public SizeF Measure(string text, SizeF maxSize, QFontAlignment alignment)
{
var test = new QFontDrawingPimitive(this);
return(test.Measure(text, maxSize, alignment));
}
private SizeF PrintOrMeasure(string text, QFontAlignment alignment, bool measureOnly)
{
float maxWidth = 0f;
float xOffset = 0f;
float yOffset = 0f;
var caps = new EnableCap[] { };
if (!UsingVertexBuffers)
{
caps = new EnableCap[] { EnableCap.Texture2D, EnableCap.Blend }
}
;
Helper.SafeGLEnable(caps, () =>
{
float maxXpos = float.MinValue;
float minXPos = float.MaxValue;
if (!UsingVertexBuffers)
{
GL.Color4(1.0f, 1.0f, 1.0f, 1.0f);
if (Options.UseDefaultBlendFunction)
{
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
}
}
text = text.Replace("\r\n", "\r");
if (alignment == QFontAlignment.Right)
{
xOffset -= MeasureNextlineLength(text);
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (int)(0.5f * MeasureNextlineLength(text));
}
for (int i = 0; i < text.Length; i++)
{
char c = text[i];
//newline
if (c == '\r' || c == '\n')
{
yOffset += LineSpacing;
xOffset = 0f;
if (alignment == QFontAlignment.Right)
{
xOffset -= MeasureNextlineLength(text.Substring(i + 1));
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (int)(0.5f * MeasureNextlineLength(text.Substring(i + 1)));
}
}
else
{
minXPos = Math.Min(xOffset, minXPos);
//normal character
if (c != ' ' && fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
if (!measureOnly)
{
RenderGlyph(xOffset, yOffset, c, false);
}
}
if (IsMonospacingActive)
{
xOffset += MonoSpaceWidth;
}
else
{
if (c == ' ')
{
xOffset += (float)Math.Ceiling(fontData.meanGlyphWidth * Options.WordSpacing);
}
//normal character
else if (fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
xOffset += (float)Math.Ceiling(glyph.rect.Width + fontData.meanGlyphWidth * Options.CharacterSpacing + fontData.GetKerningPairCorrection(i, text, null));
}
}
maxXpos = Math.Max(xOffset, maxXpos);
}
}
if (minXPos != float.MaxValue)
{
maxWidth = maxXpos - minXPos;
}
});
return(new SizeF(maxWidth, yOffset + LineSpacing));
}
private void PrintCommentWithLine(string comment, QFontAlignment alignment, float xOffset, ref float yOffset)
{
WriteCommentWithLine(mainText, comment, alignment, xOffset, ref yOffset);
}
/// <summary>
/// Prints the specified text with the given alignment, maximum size, colour and clipping rectangle
/// </summary>
/// <param name="text">The text to print</param>
/// <param name="position">The text position</param>
/// <param name="maxSize">The maxmimum size of the printed text</param>
/// <param name="alignment">The text alignment</param>
/// <param name="colour">The text colour</param>
/// <param name="clippingRectangle">The clipping rectangle to scissor test the text with</param>
/// <returns>The size of the printed text</returns>
public SizeF Print(string text, Vector3 position, SizeF maxSize, QFontAlignment alignment, Color colour, Rectangle clippingRectangle = default(Rectangle))
{
ProcessedText processedText = ProcessText(Font, Options, text, maxSize, alignment);
return(Print(processedText, TransformToViewport(position), colour, clippingRectangle));
}
public SizeF Measure(string text, QFontAlignment alignment = QFontAlignment.Left)
{
return PrintOrMeasure(text, alignment, true);
}
/// <summary>
/// Measures the specified text with the given alignment and a maximum width
/// (no maximum height)
/// </summary>
/// <param name="text">The specified text</param>
/// <param name="maxWidth">The maximum width of the text</param>
/// <param name="alignment">The text alignment</param>
/// <returns>The size of the text</returns>
public SizeF Measure(string text, float maxWidth, QFontAlignment alignment)
{
return(Measure(text, new SizeF(maxWidth, -1), alignment));
}
/// <summary>
/// Measures the specified text. Helper method delegating functionality.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="maxWidth">The maximum width.</param>
/// <param name="alignment">The alignment.</param>
/// <returns>
/// Measured size.
/// </returns>
public SizeF Measure(string text, float maxWidth, QFontAlignment alignment)
{
var test = new QFontDrawingPimitive(this);
return test.Measure(text, maxWidth, alignment);
}
/// <summary>
/// Measures the actual width and height of the block of text.
/// </summary>
/// <param name="text">The text to measure</param>
/// <param name="maxSize">The maximum size of the text</param>
/// <param name="alignment">The text alignment</param>
/// <returns>The size of the text</returns>
public SizeF Measure(string text, SizeF maxSize, QFontAlignment alignment)
{
ProcessedText processedText = ProcessText(Font, Options, text, maxSize, alignment);
return(Measure(processedText));
}
public void PrintToVBO(string text, Vector2 position, QFontAlignment alignment = QFontAlignment.Left)
{
PrintOffset = new Vector3(position.X, position.Y, 0f);
PrintOrMeasure(text, alignment, false);
}
/// <summary>
/// Print or measure the specified text
/// </summary>
/// <param name="text">The text to print or measure</param>
/// <param name="alignment">The text alignment</param>
/// <param name="measureOnly">Whether to only measure the text</param>
/// <param name="clippingRectangle">The clipping rectangle to scissor test the text with</param>
/// <returns>The size of the text</returns>
private SizeF PrintOrMeasure(string text, QFontAlignment alignment, bool measureOnly, Rectangle clippingRectangle = default(Rectangle))
{
float maxWidth = 0f;
float xOffset = 0f;
float yOffset = 0f;
float maxXpos = float.MinValue;
float minXPos = float.MaxValue;
text = text.Replace("\r\n", "\r");
#if DEBUG
_DisplayText_dbg = text;
#endif
if (alignment == QFontAlignment.Right)
{
xOffset -= MeasureNextlineLength(text);
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (int)(0.5f * MeasureNextlineLength(text));
}
float maxCharHeight = 0;
for (int i = 0; i < text.Length; i++)
{
char c = text[i];
//newline
if (c == '\r' || c == '\n')
{
yOffset += LineSpacing;
maxCharHeight = 0;
xOffset = 0f;
if (alignment == QFontAlignment.Right)
{
xOffset -= MeasureNextlineLength(text.Substring(i + 1));
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (int)(0.5f * MeasureNextlineLength(text.Substring(i + 1)));
}
}
else
{
minXPos = Math.Min(xOffset, minXPos);
//normal character
if (c != ' ' && Font.FontData.CharSetMapping.ContainsKey(c))
{
if (!measureOnly)
{
RenderGlyph(xOffset, yOffset, c, Font, CurrentVertexRepr, clippingRectangle);
}
}
if (IsMonospacingActive)
{
xOffset += MonoSpaceWidth;
}
else
{
if (c == ' ')
{
xOffset += (float)Math.Ceiling(Font.FontData.MeanGlyphWidth * Options.WordSpacing);
}
//normal character
else if (Font.FontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = Font.FontData.CharSetMapping[c];
xOffset +=
(float)
Math.Ceiling(glyph.Rect.Width + Font.FontData.MeanGlyphWidth * Options.CharacterSpacing + Font.FontData.GetKerningPairCorrection(i, text, null));
maxCharHeight = Math.Max(maxCharHeight, glyph.Rect.Height + glyph.YOffset);
}
}
maxXpos = Math.Max(xOffset, maxXpos);
}
}
if (Math.Abs(minXPos - float.MaxValue) > float.Epsilon)
{
maxWidth = maxXpos - minXPos;
}
LastSize = new SizeF(maxWidth, yOffset + LineSpacing);
return(LastSize);
}
public SizeF Measure(string text, QFontAlignment alignment = QFontAlignment.Left)
{
return TransformMeasureFromViewport(PrintOrMeasure(text, alignment, true));
}
/// <summary>
/// Print or measure the specified processed text
/// </summary>
/// <param name="processedText">The processed text</param>
/// <param name="measureOnly">Whether to only measure the text</param>
/// <param name="clippingRectangle">The clipping rectangle to scissor test the text with</param>
/// <returns>The size of the text</returns>
private SizeF PrintOrMeasure(ProcessedText processedText, bool measureOnly, Rectangle clippingRectangle = default(Rectangle))
{
// init values we'll return
float maxMeasuredWidth = 0f;
float maxCharHeight = 0f;
const float xPos = 0f;
const float yPos = 0f;
float xOffset = xPos;
float yOffset = yPos;
float maxWidth = processedText.MaxSize.Width;
QFontAlignment alignment = processedText.Alignment;
//TODO - use these instead of translate when rendering by position (at some point)
TextNodeList nodeList = processedText.TextNodeList;
for (TextNode node = nodeList.Head; node != null; node = node.Next)
{
node.LengthTweak = 0f; //reset tweaks
}
if (alignment == QFontAlignment.Right)
{
xOffset -= (float)Math.Ceiling(TextNodeLineLength(nodeList.Head, maxWidth) - maxWidth);
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (float)Math.Ceiling(0.5f * TextNodeLineLength(nodeList.Head, maxWidth));
}
else if (alignment == QFontAlignment.Justify)
{
JustifyLine(nodeList.Head, maxWidth);
}
bool atLeastOneNodeCosumedOnLine = false;
float length = 0f;
for (TextNode node = nodeList.Head; node != null; node = node.Next)
{
bool newLine = false;
if (node.Type == TextNodeType.LineBreak)
{
newLine = true;
}
else
{
if (Options.WordWrap && SkipTrailingSpace(node, length, maxWidth) && atLeastOneNodeCosumedOnLine)
{
newLine = true;
}
else if (length + node.ModifiedLength <= maxWidth || !atLeastOneNodeCosumedOnLine)
{
atLeastOneNodeCosumedOnLine = true;
if (!measureOnly)
{
RenderWord(xOffset + length, yOffset, node, ref clippingRectangle);
}
length += node.ModifiedLength;
maxCharHeight = Math.Max(maxCharHeight, node.Height);
maxMeasuredWidth = Math.Max(length, maxMeasuredWidth);
}
else if (Options.WordWrap)
{
newLine = true;
if (node.Previous != null)
{
node = node.Previous;
}
}
else
{
continue; // continue so we still read line breaks even if reached max width
}
}
if (newLine)
{
if (processedText.MaxSize.Height > 0 &&
yOffset + LineSpacing - yPos >= processedText.MaxSize.Height)
{
break;
}
yOffset += LineSpacing;
xOffset = xPos;
length = 0f;
atLeastOneNodeCosumedOnLine = false;
if (node.Next != null)
{
if (alignment == QFontAlignment.Right)
{
xOffset -= (float)Math.Ceiling(TextNodeLineLength(node.Next, maxWidth) - maxWidth);
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (float)Math.Ceiling(0.5f * TextNodeLineLength(node.Next, maxWidth));
}
else if (alignment == QFontAlignment.Justify)
{
JustifyLine(node.Next, maxWidth);
}
}
}
}
LastSize = new SizeF(maxMeasuredWidth, yOffset + LineSpacing - yPos);
return(LastSize);
}
/// <summary>
/// Prints text inside the given bounds.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <param name="alignment"></param>
public void Print(string text, SizeF maxSize, QFontAlignment alignment)
{
var processedText = ProcessText(text, maxSize, alignment);
Print(processedText);
}
private void PrintCommentWithLine(QFont font, string comment, QFontAlignment alignment, float xOffset, ref float yOffset)
{
GL.PushMatrix();
yOffset += 20;
GL.Translate((int)xOffset, yOffset, 0f);
font.Print(comment, alignment);
var bounds = font.Measure(comment, Width-60, alignment);
GL.Disable(EnableCap.Texture2D);
GL.Begin(BeginMode.Lines);
GL.Color4(1.0f, 0f, 0f, 1f); GL.Vertex2(0f, 0f);
GL.Color4(1.0f, 0f, 0f, 1f); GL.Vertex2(0f, bounds.Height + 20f);
GL.End();
yOffset += bounds.Height;
GL.PopMatrix();
}
private SizeF PrintOrMeasure(string text, QFontAlignment alignment, bool measureOnly)
{
float maxWidth = 0f;
float xOffset = 0f;
float yOffset = 0f;
var caps = new EnableCap[] { };
if(!UsingVertexBuffers)
caps = new EnableCap[] { EnableCap.Texture2D, EnableCap.Blend };
Helper.SafeGLEnable(caps, () =>
{
float maxXpos = float.MinValue;
float minXPos = float.MaxValue;
if (!UsingVertexBuffers)
{
GL.Color4(1.0f, 1.0f, 1.0f, 1.0f);
if (Options.UseDefaultBlendFunction)
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
}
text = text.Replace("\r\n", "\r");
if (alignment == QFontAlignment.Right)
xOffset -= MeasureNextlineLength(text);
else if (alignment == QFontAlignment.Centre)
xOffset -= (int)(0.5f * MeasureNextlineLength(text));
for (int i = 0; i < text.Length; i++)
{
char c = text[i];
//newline
if (c == '\r' || c == '\n')
{
yOffset += LineSpacing;
xOffset = 0f;
if (alignment == QFontAlignment.Right)
xOffset -= MeasureNextlineLength(text.Substring(i + 1));
else if (alignment == QFontAlignment.Centre)
xOffset -= (int)(0.5f * MeasureNextlineLength(text.Substring(i + 1)));
}
else
{
minXPos = Math.Min(xOffset, minXPos);
//normal character
if (c != ' ' && fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
if (!measureOnly)
RenderGlyph(xOffset, yOffset, c, false);
}
if (IsMonospacingActive)
xOffset += MonoSpaceWidth;
else
{
if (c == ' ')
xOffset += (float)Math.Ceiling(fontData.meanGlyphWidth * Options.WordSpacing);
//normal character
else if (fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
xOffset += (float)Math.Ceiling(glyph.rect.Width + fontData.meanGlyphWidth * Options.CharacterSpacing + fontData.GetKerningPairCorrection(i, text, null));
}
}
maxXpos = Math.Max(xOffset, maxXpos);
}
}
if (minXPos != float.MaxValue)
maxWidth = maxXpos - minXPos;
});
return new SizeF(maxWidth, yOffset + LineSpacing);
}
private void PrintWithBounds(NxFont font, string text, RectangleF bounds, QFontAlignment alignment, ref float yOffset)
{
// GL.Disable(EnableCap.Texture2D);
// GL.Color4(1.0f, 0f, 0f, 1.0f);
float maxWidth = bounds.Width;
float height = font.SafeMeasure(ClientRectangle, text, maxWidth, alignment).Height;
// GL.Begin(BeginMode.LineLoop);
// GL.Vertex3(bounds.X, bounds.Y, 0f);
// GL.Vertex3(bounds.X + bounds.Width, bounds.Y, 0f);
// GL.Vertex3(bounds.X + bounds.Width, bounds.Y + height, 0f);
// GL.Vertex3(bounds.X, bounds.Y + height, 0f);
// GL.End();
font.PrintAt(ClientRectangle, text, maxWidth, alignment, new Vector2(bounds.X,bounds.Y));
yOffset += height;
}
/// <summary>
/// Measures the specified text. Helper method delegating functionality.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="maxWidth">The maximum width.</param>
/// <param name="alignment">The alignment.</param>
/// <returns>
/// Measured size.
/// </returns>
public SizeF Measure(string text, float maxWidth, QFontAlignment alignment)
{
var test = new QFontDrawingPrimitive(this);
return(test.Measure(text, maxWidth, alignment));
}
public void PrintToVBO(string text, QFontAlignment alignment, Vector3 position, Color color, SizeF maxSize)
{
Options.Colour = color;
PrintOffset = position;
Print(text, maxSize, alignment);
}
private void InitialiseKeyDown()
{
KeyDown += (sender, ke) => {
if (ke.Key == Key.Escape)
{
this.Exit ();
}
};
KeyDown += (sender, ke) => {
switch (ke.Key)
{
case Key.Space:
useShader = !useShader;
break;
case Key.Right:
currentDemoPage++;
break;
case Key.BackSpace:
case Key.Left:
currentDemoPage--;
break;
case Key.Enter:
{
if (currentDemoPage == 4)
boundsAnimationCnt = 0f;
}
break;
case Key.Up:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Justify)
cycleAlignment = QFontAlignment.Left;
else
cycleAlignment++;
}
}
break;
case Key.Down:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Left)
cycleAlignment = QFontAlignment.Justify;
else
cycleAlignment--;
}
}
break;
case Key.F9:
break;
}
if (currentDemoPage > LAST_PAGE)
currentDemoPage = LAST_PAGE;
if (currentDemoPage < FIRST_PAGE)
currentDemoPage = FIRST_PAGE;
};
}
/// <summary>
/// Measures the specified text. Helper method delegating functionality.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="alignment">The alignment.</param>
/// <returns>
/// Measured size.
/// </returns>
public SizeF Measure(string text, QFontAlignment alignment = QFontAlignment.Left)
{
var test = new QFontDrawingPrimitive(this);
return(test.Measure(text, alignment));
}
private void WriteComment(NxFont font, string comment,QFontAlignment alignment, ref float yOffset)
{
//GL.PushMatrix();
yOffset += 20;
var offset = new Vector3(30f, yOffset, 0f);
var transform = Matrix4.CreateTranslation(offset);
var mvp = Matrix4.Mult (transform, mOrthographicMatrix);
font.SafePrint(mvp, ClientRectangle, comment, Width - 60, alignment);
yOffset += font.SafeMeasure(ClientRectangle, comment, Width - 60, alignment).Height;
//GL.PopMatrix();
}
void QuickFontControl_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Space:
case Keys.Right:
currentDemoPage++;
break;
case Keys.Backspace:
case Keys.Left:
currentDemoPage--;
break;
case Keys.Enter:
{
if (currentDemoPage == 4)
{
boundsAnimationCnt = 0f;
}
}
break;
case Keys.Up:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Justify)
{
cycleAlignment = QFontAlignment.Left;
}
else
{
cycleAlignment++;
}
}
}
break;
case Keys.Down:
{
if (currentDemoPage == 4)
{
if (cycleAlignment == QFontAlignment.Left)
{
cycleAlignment = QFontAlignment.Justify;
}
else
{
cycleAlignment--;
}
}
}
break;
case Keys.F9:
break;
}
if (currentDemoPage > lastPage)
{
currentDemoPage = lastPage;
}
if (currentDemoPage < 1)
{
currentDemoPage = 1;
}
}
private void WriteCommentWithLine(NxFont font, string comment, QFontAlignment alignment, float xOffset, ref float yOffset)
{
//GL.PushMatrix();
yOffset += 20;
var offset = new Vector3((int)xOffset, yOffset, 0f);
var transform = Matrix4.CreateTranslation(offset);
var mvp = Matrix4.Mult (transform, mOrthographicMatrix);
font.Print(mvp, comment, alignment);
var bounds = font.SafeMeasure(ClientRectangle, comment, Width-60, alignment);
// GL.Disable(EnableCap.Texture2D);
// GL.Begin(BeginMode.Lines);
// GL.Color4(1.0f, 0f, 0f, 1f);
// GL.Vertex2(0f, 0f);
// GL.Color4(1.0f, 0f, 0f, 1f);
// GL.Vertex2(0f, bounds.Height + 20f);
// GL.End();
yOffset += bounds.Height;
// GL.PopMatrix();
}
void PrintWithBounds(Graphics graphics, QFont font, string text, Rect bounds, QFontAlignment alignment, ref double yOffset)
{
double maxWidth = bounds.Width;
double height = font.Measure(text, maxWidth, alignment).Height;
bounds.Height = height;
graphics.DrawRectangle(m_LinesPen, bounds - new Point(1, 0) + new Size(0, 1));
font.Print(text, maxWidth, alignment, new Alt.Sketch.Vector2(bounds.X, bounds.Y));
yOffset += height;
}
public void Print(string text, float maxWidth, QFontAlignment alignment, PointF position)
{
position = LockToPixel(position);
renderer.Begin(position);
Print(text, maxWidth, alignment);
renderer.End();
}
void PrintCommentWithLine(Graphics graphics, string comment, QFontAlignment alignment, double xOffset, ref double yOffset)
{
PrintCommentWithLine(graphics, mainText, comment, alignment, xOffset, ref yOffset);
}
private SizeF PrintOrMeasure(string text, QFontAlignment alignment, bool measureOnly)
{
float maxXpos = float.MinValue;
float minXPos = float.MaxValue;
float xOffset = 0f;
float yOffset = 0f;
text = text.Replace("\r\n", "\r");
if (alignment == QFontAlignment.Right)
xOffset -= MeasureNextlineLength(text);
else if (alignment == QFontAlignment.Centre)
xOffset -= (int)(0.5f * MeasureNextlineLength(text));
for(int i = 0; i < text.Length; i++)
{
char c = text[i];
//newline
if (c == '\r' || c == '\n')
{
yOffset += LineSpacing;
xOffset = 0f;
if (alignment == QFontAlignment.Right)
xOffset -= MeasureNextlineLength(text.Substring(i + 1));
else if (alignment == QFontAlignment.Centre)
xOffset -= (int)(0.5f * MeasureNextlineLength(text.Substring(i + 1)));
}
else
{
minXPos = Math.Min(xOffset, minXPos);
//normal character
if (c != ' ' && fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
if(!measureOnly)
RenderGlyph(xOffset, yOffset, c, false);
}
if (IsMonospacingActive)
xOffset += MonoSpaceWidth;
else
{
if (c == ' ')
xOffset += (float)Math.Ceiling(fontData.meanGlyphWidth * Options.WordSpacing);
//normal character
else if (fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
xOffset += (float)Math.Ceiling(glyph.rect.Width + fontData.meanGlyphWidth * Options.CharacterSpacing + fontData.GetKerningPairCorrection(i, text, null));
}
}
maxXpos = Math.Max(xOffset, maxXpos);
}
}
float maxWidth = 0f;
if (minXPos != float.MaxValue)
maxWidth = maxXpos - minXPos;
return new SizeF(maxWidth, yOffset + LineSpacing);
}
protected override void OnKeyDown(KeyboardKeyEventArgs keyboardKeyEventArgs)
{
GL.GetInteger(GetPName.MaxTextureSize);
switch (keyboardKeyEventArgs.Key)
{
case Key.Space:
case Key.Right:
_currentDemoPage++;
break;
case Key.BackSpace:
case Key.Left:
_currentDemoPage--;
break;
case Key.Enter:
{
if (_currentDemoPage == 4)
{
_boundsAnimationCnt = 0f;
}
break;
}
case Key.Up:
{
if (_currentDemoPage == 4)
{
if (_cycleAlignment == QFontAlignment.Justify)
{
_cycleAlignment = QFontAlignment.Left;
}
else
{
_cycleAlignment++;
}
}
break;
}
case Key.Down:
{
if (_currentDemoPage == 4)
{
if (_cycleAlignment == QFontAlignment.Left)
{
_cycleAlignment = QFontAlignment.Justify;
}
else
{
_cycleAlignment--;
}
}
break;
}
case Key.F9:
break;
}
if (_currentDemoPage > _lastPage)
{
_currentDemoPage = _lastPage;
}
if (_currentDemoPage < 0)
{
_currentDemoPage = 0;
}
base.OnKeyDown(keyboardKeyEventArgs);
}
/// <summary>
/// Measures the specified text. Helper method delegating functionality.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="alignment">The alignment.</param>
/// <returns>
/// Measured size.
/// </returns>
public SizeF Measure(string text, QFontAlignment alignment = QFontAlignment.Left)
{
var test = new QFontDrawingPimitive(this);
return test.Measure(text, alignment);
}
private void PrintCommentWithLine(string comment, QFontAlignment alignment, float xOffset, ref float yOffset)
{
PrintCommentWithLine(_mainText, comment, alignment, xOffset, ref yOffset, _mainTextOptions);
}
public void PrintToVBO(string text, SizeF maxSize, QFontAlignment alignment, Vector2 position)
{
PrintOffset = new Vector3(position.X, position.Y, 0f);
Print(text, maxSize, alignment);
}
/// <summary>
/// Prints text inside the given bounds.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <param name="alignment"></param>
public void Print(string text, float maxWidth, QFontAlignment alignment)
{
var processedText = ProcessText(text, maxWidth, alignment);
Print(processedText);
}
/// <summary>
/// Prints text inside the given bounds.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <param name="alignment"></param>
public void Print(string text, float maxWidth, QFontAlignment alignment)
{
var processedText = ProcessText(text, maxWidth, alignment);
Print(processedText);
}
public void Print(string text, QFontAlignment alignment)
{
PrintOrMeasure(text, alignment, false);
}
private SizeF PrintOrMeasure(string text, QFontAlignment alignment, bool measureOnly)
{
var popRequired = false;
if (!measureOnly && !ProjectionStack.Begun && Options.TransformToViewport != null)
{
GL.PushMatrix();
popRequired = true;
GL.Scale(1 / fontData.scaleDueToTransformToViewport, 1 / fontData.scaleDueToTransformToViewport, 0);
}
float maxXpos = float.MinValue;
float minXPos = float.MaxValue;
if (!measureOnly)
{
GL.Color4(1.0f, 1.0f, 1.0f, 1.0f);
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.Blend);
if (Options.UseDefaultBlendFunction)
{
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
}
}
float xOffset = 0f;
float yOffset = 0f;
text = text.Replace("\r\n", "\r");
if (alignment == QFontAlignment.Right)
xOffset -= MeasureNextlineLength(text);
else if (alignment == QFontAlignment.Centre)
xOffset -= (int)(0.5f * MeasureNextlineLength(text));
for(int i = 0; i < text.Length; i++)
{
char c = text[i];
//newline
if (c == '\r' || c == '\n')
{
yOffset += LineSpacing;
xOffset = 0f;
if (alignment == QFontAlignment.Right)
xOffset -= MeasureNextlineLength(text.Substring(i + 1));
else if (alignment == QFontAlignment.Centre)
xOffset -= (int)(0.5f * MeasureNextlineLength(text.Substring(i + 1)));
}
else
{
minXPos = Math.Min(xOffset, minXPos);
//normal character
if (c != ' ' && fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
if(!measureOnly)
RenderGlyph(xOffset, yOffset, c, false);
}
if (IsMonospacingActive)
xOffset += MonoSpaceWidth;
else
{
if (c == ' ')
xOffset += (float)Math.Ceiling(fontData.meanGlyphWidth * Options.WordSpacing);
//normal character
else if (fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
xOffset += (float)Math.Ceiling(glyph.rect.Width + fontData.meanGlyphWidth * Options.CharacterSpacing + fontData.GetKerningPairCorrection(i, text, null));
}
}
maxXpos = Math.Max(xOffset, maxXpos);
}
}
float maxWidth = 0f;
if (minXPos != float.MaxValue)
maxWidth = maxXpos - minXPos;
if (popRequired)
GL.PopMatrix();
return new SizeF(maxWidth, yOffset + LineSpacing);
}
public SizeF Measure(string text, QFontAlignment alignment)
{
return(TransformMeasureFromViewport(PrintOrMeasure(text, alignment, true)));
}
/// <summary>
/// Measures the actual width and height of the block of text.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <param name="alignment"></param>
/// <returns></returns>
public SizeF Measure(string text, SizeF maxSize, QFontAlignment alignment)
{
var processedText = ProcessText(text, maxSize, alignment);
return Measure(processedText);
}
/// <summary>
/// Measures the actual width and height of the block of text.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <param name="alignment"></param>
/// <returns></returns>
public SizeF Measure(string text, float maxWidth, QFontAlignment alignment)
{
var processedText = ProcessText(text, maxWidth, alignment);
return(Measure(processedText));
}
public void Print(string text, QFontAlignment alignment = QFontAlignment.Left)
{
PrintOrMeasure(text, alignment, false);
}
private SizeF PrintOrMeasure(string text, QFontAlignment alignment, bool measureOnly)
{
var popRequired = false;
if (!measureOnly && !ProjectionStack.Begun && Options.TransformToViewport != null)
{
GL.PushMatrix();
popRequired = true;
GL.Scale(1 / fontData.scaleDueToTransformToViewport, 1 / fontData.scaleDueToTransformToViewport, 0);
}
float maxXpos = float.MinValue;
float minXPos = float.MaxValue;
if (!measureOnly)
{
GL.Color4(1.0f, 1.0f, 1.0f, 1.0f);
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.Blend);
if (Options.UseDefaultBlendFunction)
{
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
}
}
float xOffset = 0f;
float yOffset = 0f;
text = text.Replace("\r\n", "\r");
if (alignment == QFontAlignment.Right)
{
xOffset -= MeasureNextlineLength(text);
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (int)(0.5f * MeasureNextlineLength(text));
}
for (int i = 0; i < text.Length; i++)
{
char c = text[i];
//newline
if (c == '\r' || c == '\n')
{
yOffset += LineSpacing;
xOffset = 0f;
if (alignment == QFontAlignment.Right)
{
xOffset -= MeasureNextlineLength(text.Substring(i + 1));
}
else if (alignment == QFontAlignment.Centre)
{
xOffset -= (int)(0.5f * MeasureNextlineLength(text.Substring(i + 1)));
}
}
else
{
minXPos = Math.Min(xOffset, minXPos);
//normal character
if (c != ' ' && fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
if (!measureOnly)
{
RenderGlyph(xOffset, yOffset, c, false);
}
}
if (IsMonospacingActive)
{
xOffset += MonoSpaceWidth;
}
else
{
if (c == ' ')
{
xOffset += (float)Math.Ceiling(fontData.meanGlyphWidth * Options.WordSpacing);
}
//normal character
else if (fontData.CharSetMapping.ContainsKey(c))
{
QFontGlyph glyph = fontData.CharSetMapping[c];
xOffset += (float)Math.Ceiling(glyph.rect.Width + fontData.meanGlyphWidth * Options.CharacterSpacing + fontData.GetKerningPairCorrection(i, text, null));
}
}
maxXpos = Math.Max(xOffset, maxXpos);
}
}
float maxWidth = 0f;
if (minXPos != float.MaxValue)
{
maxWidth = maxXpos - minXPos;
}
if (popRequired)
{
GL.PopMatrix();
}
return(new SizeF(maxWidth, yOffset + LineSpacing));
}
public void PrintToVBO(string text, Vector3 position, Color color, QFontAlignment alignment = QFontAlignment.Left)
{
Options.Colour = color;
PrintOffset = position;
PrintOrMeasure(text, alignment, false);
}
/// <summary>
/// Creates node list object associated with the text.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <returns></returns>
public static ProcessedText ProcessText(QFont font, QFontRenderOptions options, string text, SizeF maxSize, QFontAlignment alignment)
{
//TODO: bring justify and alignment calculations in here
maxSize.Width = TransformWidthToViewport(maxSize.Width, options);
var nodeList = new TextNodeList(text);
nodeList.MeasureNodes(font.FontData, options);
//we "crumble" words that are two long so that that can be split up
var nodesToCrumble = new List <TextNode>();
foreach (TextNode node in nodeList)
{
if ((!options.WordWrap || node.Length >= maxSize.Width) && node.Type == TextNodeType.Word)
{
nodesToCrumble.Add(node);
}
}
foreach (TextNode node in nodesToCrumble)
{
nodeList.Crumble(node, 1);
}
//need to measure crumbled words
nodeList.MeasureNodes(font.FontData, options);
var processedText = new ProcessedText();
processedText.textNodeList = nodeList;
processedText.maxSize = maxSize;
processedText.alignment = alignment;
return(processedText);
}
/// <summary>
/// Creates node list object associated with the text.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <returns></returns>
public ProcessedText ProcessText(string text, SizeF maxSize, QFontAlignment alignment)
{
//TODO: bring justify and alignment calculations in here
maxSize.Width = TransformWidthToViewport(maxSize.Width);
var nodeList = new TextNodeList(text);
nodeList.MeasureNodes(fontData, Options);
//we "crumble" words that are two long so that that can be split up
var nodesToCrumble = new List<TextNode>();
foreach (TextNode node in nodeList)
if ((!Options.WordWrap || node.Length >= maxSize.Width) && node.Type == TextNodeType.Word)
nodesToCrumble.Add(node);
foreach (var node in nodesToCrumble)
nodeList.Crumble(node, 1);
//need to measure crumbled words
nodeList.MeasureNodes(fontData, Options);
var processedText = new ProcessedText();
processedText.textNodeList = nodeList;
processedText.maxSize = maxSize;
processedText.alignment = alignment;
return processedText;
}
public SizeF Print(string text, Vector3 position, QFontAlignment alignment, Color color, Rectangle clippingRectangle = default(Rectangle))
{
this.Options.Colour = color;
PrintOffset = TransformToViewport(position);
return(PrintOrMeasure(text, alignment, false, clippingRectangle));
}
public static void Draw(QFont font, string text, QFontAlignment alignment, Vector2 position)
{
position.Y -= font.Measure(text, alignment).Height / 2;
font.Options.UseDefaultBlendFunction = false;
font.Print(text, alignment, position);
}
/// <summary>
/// Prints text inside the given bounds.
/// </summary>
/// <param name="text"></param>
/// <param name="bounds"></param>
/// <param name="alignment"></param>
public void Print(string text, SizeF maxSize, QFontAlignment alignment)
{
var processedText = ProcessText(text, maxSize, alignment);
Print(processedText);
}