/// <summary>
/// Called when it is time to render the next frame. Add your rendering code here.
/// </summary>
/// <param name="e">Contains timing information.</param>
protected override void OnRenderFrame(FrameEventArgs e)
{
base.OnRenderFrame(e);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
drawing.ProjectionMatrix = _projectionMatrix;
frameCount++;
float yOffset = 0;
//mainText.Begin();
//GL.Begin(BeginMode.Quads);
//GL.Color3(1.0f, 1.0f, 1.0); GL.Vertex2(0, 0);
//GL.Color3(0.9f, 0.9f, 0.9f); GL.Vertex2(0, Height);
//GL.Color3(0.9f, 0.9f, 0.9f); GL.Vertex2(Width, Height);
//GL.Color3(0.9f, 0.9f, 0.9f); GL.Vertex2(Width, 0);
//GL.End();
//mainText.End();
if (currentDemoPage != _previousPage)
{
_previousPage = currentDemoPage;
// we have to rebuild the stuff
drawing.Clear();
switch (currentDemoPage)
{
case 0:
{
yOffset += drawing.Print(heading1, "ModernQuickFont",
new Vector3((float)Width / 2, Height, 0),
QFontAlignment.Centre, heading1Options).Height;
yOffset += drawing.Print(heading2, "Introduction #0",
new Vector3(20, Height - yOffset, 0),
QFontAlignment.Left, heading2Options)
.Height;
yOffset += drawing.Print(mainText, modernQuickFontIntro, new Vector3(30, Height - yOffset, 0),
new SizeF(Width - 60f, -1), QFontAlignment.Justify).Height;
PrintCode(modernIntroCode, ref yOffset);
break;
}
case 1:
{
yOffset += drawing.Print(heading1, "QuickFont",
new Vector3((float)Width / 2, Height, 0),
QFontAlignment.Centre, heading1Options).Height;
yOffset += drawing.Print(heading2, "Introduction",
new Vector3(20, Height - yOffset, 0),
QFontAlignment.Left, heading2Options)
.Height;
yOffset += 20f;
drawing.Print(mainText, introduction, new Vector3(30, Height - yOffset, 0),
new SizeF(Width - 60f, -1), QFontAlignment.Justify);
break;
}
case 2:
{
yOffset += drawing.Print(heading2, "Easy as ABC!",
new Vector3(20f, Height - yOffset, 0f),
QFontAlignment.Left, heading2Options).Height;
PrintComment(usingQuickFontIsSuperEasy, ref yOffset);
PrintCode(loadingAFont1, ref yOffset);
PrintComment(andPrintWithIt, ref yOffset);
PrintCode(printWithFont1, ref yOffset);
PrintComment(itIsAlsoEasyToMeasure, ref yOffset);
PrintCode(measureText1, ref yOffset);
PrintComment(oneOfTheFirstGotchas, ref yOffset);
PrintCode(loadingAFont2, ref yOffset);
break;
}
case 3:
{
yOffset += drawing.Print(heading2, "Alignment", new Vector3(20f, Height - yOffset, 0f),
QFontAlignment.Left, heading2Options).Height;
PrintCommentWithLine(whenPrintingText, QFontAlignment.Left, 20f, ref yOffset);
PrintCode(printWithFont2, ref yOffset);
PrintCommentWithLine(righAlignedText, QFontAlignment.Right, 20f, ref yOffset);
yOffset += 10f;
PrintCommentWithLine(centredTextAsYou, QFontAlignment.Centre, Width * 0.5f, ref yOffset);
break;
}
case 4:
{
// in this stage force redraw and recreation of VBO every time: just divert last page
_previousPage = -1;
yOffset += drawing.Print(heading2, "Bounds and Justify",
new Vector3(20f, Height - yOffset, 0f),
QFontAlignment.Left, heading2Options).Height;
yOffset += 20;
yOffset += drawing.Print(controlsText, "Press [Up], [Down] or [Enter]!",
new Vector3(Width * 0.5f, Height - yOffset, 0f),
QFontAlignment.Centre, controlsTextOpts).Height;
float boundShrink = (int)(350 * (1 - Math.Cos(boundsAnimationCnt * Math.PI * 2)));
yOffset += 15;
PrintWithBounds(mainText, ofCourseItsNot,
new RectangleF(30f + boundShrink * 0.5f, yOffset, Width - 60 - boundShrink,
350f), cycleAlignment, ref yOffset);
string printWithBounds = "myFont.Print(text, position, maxSize, QFontAlignment." +
cycleAlignment + ");";
yOffset += 15f;
PrintCode(printWithBounds, ref yOffset);
break;
}
case 5:
{
yOffset += drawing.Print(heading2, "Your own Texture Fonts",
new Vector3(20f, Height - yOffset, 0f),
QFontAlignment.Left, heading2Options).Height;
PrintComment(anotherCoolFeature, ref yOffset);
PrintCode(textureFontCode1, ref yOffset);
PrintComment(thisWillHaveCreated, ref yOffset);
break;
}
case 6:
{
yOffset += drawing.Print(heading2, "Your own Texture Fonts",
new Vector3(20f, Height - yOffset, 0f),
QFontAlignment.Left, heading2Options).Height;
PrintComment(ifYouDoIntend, ref yOffset);
PrintCode(textureFontCode2, ref yOffset);
PrintComment(actuallyTexturing, ref yOffset);
PrintCode(textureFontCode3, ref yOffset);
break;
}
case 7:
{
// in this stage force redraw and recreation of VBO every time: just divert last page
_previousPage = -1;
// store this primitive to remember
var renderoptions = new QFontRenderOptions()
{
DropShadowActive = true,
DropShadowOffset = new Vector2(0.1f + 0.2f * (float)Math.Sin(cnt),
0.1f + 0.2f * (float)Math.Cos(cnt))
};
yOffset += drawing.Print(heading2, "Drop Shadows",
new Vector3(20f, Height - yOffset, 0f),
QFontAlignment.Left, renderoptions).Height;
PrintComment(asIhaveleant, ref yOffset);
PrintCode(dropShadowCode1, ref yOffset);
PrintComment(thisWorksFine, ref yOffset);
PrintCode(dropShadowCode2, ref yOffset);
PrintComment(onceAFont, ref yOffset);
//mainText.Options.DropShadowActive = false;
break;
}
case 8:
{
yOffset += drawing.Print(heading2, "Monospaced Fonts",
new Vector3(20f, Height - yOffset, 0f),
QFontAlignment.Left, heading2Options).Height;
QFontRenderOptions monoSpaceCondensed = monoSpacedOptions.CreateClone();
monoSpaceCondensed.CharacterSpacing = 0.05f;
PrintComment(monoSpaced, hereIsSomeMono, QFontAlignment.Left, ref yOffset, monoSpaceCondensed);
PrintCode(monoCode1, ref yOffset);
PrintComment(monoSpaced, theDefaultMono, QFontAlignment.Left, ref yOffset, monoSpaceCondensed);
PrintCommentWithLine(monoSpaced, mono, QFontAlignment.Left, 20f, ref yOffset, monoSpaceCondensed);
yOffset += 2f;
PrintCommentWithLine(monoSpaced, mono, QFontAlignment.Right, 20f, ref yOffset, monoSpaceCondensed);
yOffset += 2f;
PrintCommentWithLine(monoSpaced, mono, QFontAlignment.Centre, Width * 0.5f, ref yOffset, monoSpaceCondensed);
yOffset += 2f;
PrintComment(monoSpaced,
"As usual, you can adjust character spacing with myPrimitive.Options.CharacterSpacing.",
QFontAlignment.Left, ref yOffset, monoSpaceCondensed);
break;
}
case 9:
{
// in this stage force redraw and recreation of VBO every time: just divert last page
_previousPage = -1;
yOffset += drawing.Print(heading2, "Preprocessed Text",
new Vector3(20f, Height - yOffset, 0f),
QFontAlignment.Left).Height;
yOffset += 20f;
_stopwatch = Stopwatch.StartNew();
yOffset += drawing.Print(mainText, _processedText,
new Vector3(20, Height - yOffset, 0)).Height;
_stopwatch.Stop();
long preprocessed = _stopwatch.Elapsed.Ticks;
_stopwatch = Stopwatch.StartNew();
yOffset += drawing.Print(mainText, nonPreProcessed,
new Vector3(20, Height - yOffset, 0),
new SizeF(Width - 40f, -1), QFontAlignment.Justify)
.Height;
_stopwatch.Stop();
long notpreprocessed = _stopwatch.Elapsed.Ticks;
if (frameCount > 60)
{
_benchResult = string.Format(("{0} {1}\nPreprocessed was {2} ticks faster"),
preprocessed,
notpreprocessed, notpreprocessed - preprocessed);
frameCount = 0;
}
drawing.Print(_benchmarkResults, _benchResult,
new Vector3(Width * 0.5f, Height - yOffset, 0),
QFontAlignment.Centre, Color.White);
break;
}
case 10:
{
yOffset += drawing.Print(heading2, "In Conclusion",
new Vector3(20f, Height - yOffset, 0f),
QFontAlignment.Left, heading2Options).Height;
PrintComment(thereAreActually, ref yOffset);
break;
}
}
drawing.RefreshBuffers();
}
// Create controlsDrawing every time.. would be also good to vary ProjectionMatrix with * Matrix4.CreateTranslation() !
// this would save buffer work for OpenGL
controlsDrawing.Clear();
controlsDrawing.ProjectionMatrix = _projectionMatrix;
if (currentDemoPage != lastPage)
{
Vector3 pos = new Vector3(Width - 10 - 16 * (float)(1 + Math.Sin(cnt * 4)),
controlsText.Measure("P").Height + 10f, 0f);
controlsDrawing.Print(controlsText, "Press [Right] ->", pos, QFontAlignment.Right, controlsTextOpts);
}
if (currentDemoPage != 0)
{
var pos = new Vector3(10 + 16 * (float)(1 + Math.Sin(cnt * 4)), controlsText.Measure("P").Height + 10f, 0f);
controlsDrawing.Print(controlsText, "<- Press [Left]", pos, QFontAlignment.Left, controlsTextOpts);
}
controlsDrawing.RefreshBuffers();
controlsDrawing.Draw();
drawing.Draw();
SwapBuffers();
}