void InitializeGui()
{
GuiRenderer = new GwenRenderer();
var textureName = "DefaultSkin.png";
var defaultFont = new Flood.GUI.Font("Vera.ttf", 16);
var resMan = FloodEngine.GetEngine().ResourceManager;
var options = new ResourceLoadOptions {Name = textureName, AsynchronousLoad = false};
var imageHandle = resMan.LoadResource<Image>(options);
if (imageHandle.Id == 0)
return;
var skin = new TexturedSkin(GuiRenderer, imageHandle, defaultFont);
Canvas = new Canvas(skin);
var container = new Container(Canvas);
var paneGroup = new PaneGroup(container);
container.InsertPanel(paneGroup);
paneGroup.AddPane(new Pane { Title = "PANE1" });
paneGroup.AddPane(new Pane { Title = "PANE2" });
Input = new GwenInput(FloodEngine.GetEngine().InputManager);
Input.Initialize(Canvas);
}
public static Vector2 MeasureText(System.String text, Flood.GUI.Font font)
{
float curX = 0;
var ttfont = font.EngineFont.Resolve();
for (var i = 0; i < text.Length; i++)
{
var c = text[i];
Glyph glyph;
var foundGlyph = ttfont.GetGlyphInfo(c, font.Size, out glyph);
if (!foundGlyph)
{
Log.Warn("Glyph not found for character " + c);
continue;
}
curX += glyph.Advance;
if (i < text.Length - 1)
{
curX += ttfont.GetKerning(text[i], text[i + 1], font.Size).X;
}
}
return(new Vector2(curX, font.Size));;
}
public bool TryGetGlyphImage(Font font, int codepoint, out SubTexture texture, out ResourceHandle<Material> material)
{
material = textMaterial;
var glyphId = new GlyphId(font, codepoint);
if (glyphSubTextures.TryGetValue(glyphId, out texture))
return true;
var nativeFont = font.EngineFont.Resolve();
var imageHandle = nativeFont.CreateGlyphImage(codepoint, font.Size);
if (imageHandle.Id == ResourceHandle<Resource>.Invalid)
return false;
if (!textureAtlas.AddImage(imageHandle))
{
throw new Exception("Atlas full");
}
if (!textureAtlas.GetImageSubTexture(imageHandle, out texture))
return false;
glyphSubTextures.Add(glyphId, texture);
return true;
}
public static bool GetPositionTextIndex(string text, Flood.GUI.Font font, float x, out int index)
{
float curX = 0;
var ttfont = font.EngineFont.Resolve();
for (var i = 0; i < text.Length; i++)
{
var c = text[i];
Glyph glyph;
var foundGlyph = ttfont.GetGlyphInfo(c, font.Size, out glyph);
if (!foundGlyph)
{
Log.Warn("Glyph not found for character " + c);
continue;
}
curX += glyph.Advance;
if (i < text.Length - 1)
{
curX += ttfont.GetKerning(text[i], text[i + 1], font.Size).X;
}
if (curX >= x)
{
index = i;
return(true);
}
}
index = 0;
return(false);
}
public bool TryGetGlyph(Font font, char c, out SubTexture subTexture)
{
var glyphHash = GlyphHash(font, c);
if (glyphs.TryGetValue(glyphHash, out subTexture))
return true;
subTexture = default(SubTexture);
return false;
}
public bool TryGetGlyphInfo(Font font,int codepoint, out Glyph glyph)
{
var glyphId = new GlyphId(font, codepoint);
if (glyphInfos.TryGetValue(glyphId, out glyph))
return true;
var nativeFont = font.EngineFont.Resolve();
if (!nativeFont.GetGlyphInfo(codepoint, font.Size, out glyph))
return false;
glyphInfos[glyphId] = glyph;
return true;
}
void InitializeGui()
{
GuiRenderer = new GwenRenderer();
var textureName = "DefaultSkin.png";
var defaultFont = new Font("Vera.ttf", 16);
var resMan = Engine.GetEngine().ResourceManager;
var options = new ResourceLoadOptions {Name = textureName, AsynchronousLoad = false};
var imageHandle = resMan.LoadResource<Image>(options);
if (imageHandle.Id == 0)
throw new Exception("Could not load GUI texture: " + textureName);
Skin = new TexturedSkin(GuiRenderer, imageHandle, defaultFont);
Canvas = new Canvas(Skin);
Input = new GwenInput(Engine.GetEngine().InputManager);
Input.Initialize(Canvas);
}
public static bool GetPositionTextIndex(string text, Font font, float x, out int index)
{
float curX = 0;
for(var i = 0; i < text.Length; i++)
{
var c = text[i];
Glyph glyph;
if (!glyphManager.TryGetGlyphInfo(font, c, out glyph))
{
Log.Warn("Glyph not found for character " + c);
continue;
}
curX += glyph.Advance;
if(i < text.Length - 1)
curX += glyphManager.GetKerning(font, text[i], text[i + 1]).X;
if(curX >= x)
{
index = i;
return true;
}
}
index = 0;
return false;
}
public override void RenderText(Font font, Vector2i position, string text)
{
position = Translate(position);
TextRenderer.DrawText(_guiBuffer, font, new Vector2(position.X,position.Y), text, DrawColor);
}
public override Vector2 MeasureText(Font font, string text)
{
return TextRenderer.MeasureText(text,font);
}
/// <summary>
/// Duplicates font data (except renderer data which must be reinitialized).
/// </summary>
/// <returns></returns>
public Font Copy()
{
Font f = new Font(m_Renderer, FaceName);
f.Size = Size;
f.RealSize = RealSize;
f.RendererData = null; // must be reinitialized
//f.Bold = Bold;
//f.DropShadow = DropShadow;
return f;
}
private static int GlyphHash(Font font, char c)
{
return CombineHashCodes(CombineHashCodes(font.FaceName.GetHashCode(), c.GetHashCode()), font.Size.GetHashCode());
}
public static Vector2 MeasureText(System.String text, Font font)
{
float curX = 0;
for(var i = 0; i < text.Length; i++)
{
var c = text[i];
Glyph glyph;
if (!glyphManager.TryGetGlyphInfo(font, c, out glyph))
{
Log.Warn("Glyph not found for character " + c);
continue;
}
curX += glyph.Advance;
if(i < text.Length - 1)
curX += glyphManager.GetKerning(font, text[i], text[i + 1]).X;
}
return new Vector2(curX,font.Size);;
}
public Vector2 GetKerning(Font font, int c1, int c2)
{
var nativeFont = font.EngineFont.Resolve();
return nativeFont.GetKerning(c1, c2, font.Size);
}
public GlyphId(Font font, int codepoint)
{
FontName = font.FaceName;
Size = font.Size;
Codepoint = codepoint;
}
public override void RenderText(Flood.GUI.Font font, Vector2i position, string text)
{
position = Translate(position);
TextRenderer.DrawText(_guiBuffer, font, new Vector2(position.X, position.Y), text, DrawColor);
}
public override Vector2 MeasureText(Flood.GUI.Font font, string text)
{
return(TextRenderer.MeasureText(text, font));
}
internal static void DrawText(GUIGeometryBuffer geometryBuffer, Flood.GUI.Font font, Vector2 position, String text, Color color)
{
var ttfont = font.EngineFont.Resolve();
for (var i = 0; i < text.Length; i++)
{
char c = text[i];
Glyph glyph;
var foundGlyph = ttfont.GetGlyphInfo(c, font.Size, out glyph);
if (!foundGlyph)
{
Log.Warn("Glyph not found for character " + c);
continue;
}
bool drawSubtexture = true;
SubTexture subTexture;
if (!glyphCache.TryGetGlyph(font, c, out subTexture))
{
var imageHandle = ttfont.CreateGlyphImage(c, font.Size);
if (imageHandle.Id == ResourceHandle <Resource> .Invalid)
{
drawSubtexture = false;
}
else
{
var subTextureFound = textureAtlas.GetImageSubTexture(imageHandle, out subTexture);
if (!subTextureFound)
{
textureAtlas.AddImage(imageHandle);
subTextureFound = textureAtlas.GetImageSubTexture(imageHandle, out subTexture);
if (subTextureFound)
{
glyphCache.AddGlyph(font, c, subTexture);
}
else
{
Log.Warn("subTexture not Found\n");
continue;
}
}
}
}
if (drawSubtexture)
{
var renderRect = new RectangleF(
position.X + glyph.XOffset,
position.Y + glyph.BaseLineOffset,
glyph.Width,
glyph.Height);
geometryBuffer.AddRectangle(renderRect, subTexture.LeftTopUV, subTexture.RightTopUV, subTexture.RightBottomUV, subTexture.LeftBottomUV, textMaterial, color);
}
if (i < text.Length - 1)
{
var kern = ttfont.GetKerning(text[i], text[i + 1], font.Size);
position.X += glyph.Advance + kern.X;
position.Y += kern.Y;
}
}
}
internal static void DrawText(GUIGeometryBuffer geometryBuffer, Font font, Vector2 position, String text, Color color)
{
for(var i = 0; i < text.Length; i++)
{
char c = text[i];
Glyph glyph;
if (!glyphManager.TryGetGlyphInfo(font, c, out glyph))
{
Log.Warn("Glyph not found for character " + c);
continue;
}
SubTexture subTexture;
ResourceHandle<Material> material;
if (glyphManager.TryGetGlyphImage(font, c, out subTexture, out material))
{
var renderRect = new RectangleF(
position.X + glyph.XOffset,
position.Y + glyph.BaseLineOffset,
glyph.Width,
glyph.Height);
geometryBuffer.AddRectangle(renderRect,
subTexture.LeftTopUV, subTexture.RightTopUV,
subTexture.RightBottomUV, subTexture.LeftBottomUV,
material, color);
}
if (i < text.Length-1){
var kern = glyphManager.GetKerning(font, text[i], text[i+1]);
position.X += glyph.Advance + kern.X;
position.Y += kern.Y;
}
}
}
public void AddGlyph(Font font, char c, SubTexture subTexture)
{
var glyphHash = GlyphHash(font, c);
glyphs.Add(glyphHash,subTexture);
}
