/// <summary>
/// Renders a text to the specified target <see cref="Duality.Drawing.PixelData"/>.
/// </summary>
/// <param name="text"></param>
/// <param name="target"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="clr"></param>
public void RenderToBitmap(string text, PixelData target, float x, float y, ColorRgba clr)
{
if (this.pixelData == null)
{
return;
}
PixelData bitmap = this.pixelData.MainLayer;
float curOffset = 0.0f;
GlyphData glyphData;
Rect uvRect;
float glyphXOff;
float glyphYOff;
float glyphXAdv;
for (int i = 0; i < text.Length; i++)
{
this.ProcessTextAdv(text, i, out glyphData, out uvRect, out glyphXAdv, out glyphXOff, out glyphYOff);
Vector2 dataCoord = uvRect.Pos * new Vector2(this.pixelData.Width, this.pixelData.Height) / this.texture.UVRatio;
bitmap.DrawOnto(target,
BlendMode.Alpha,
MathF.RoundToInt(x + curOffset + glyphXOff),
MathF.RoundToInt(y + glyphYOff),
glyphData.Width,
glyphData.Height,
MathF.RoundToInt(dataCoord.X),
MathF.RoundToInt(dataCoord.Y),
clr);
curOffset += glyphXAdv;
}
}
/// <summary>
/// Renders a text to the specified target <see cref="Duality.Drawing.PixelData"/>.
/// </summary>
/// <param name="text"></param>
/// <param name="target"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="clr"></param>
public void RenderToBitmap(string text, PixelData target, float x, float y, ColorRgba clr)
{
if (this.pixmap == null)
{
return;
}
PixelData bitmap = this.pixmap.MainLayer;
float curOffset = 0.0f;
FontGlyphData glyphData;
Rect uvRect;
float glyphXAdv;
for (int i = 0; i < text.Length; i++)
{
this.ProcessTextAdv(text, i, out glyphData, out uvRect, out glyphXAdv);
Vector2 dataCoord = uvRect.Pos * bitmap.Size / this.texture.UVRatio;
bitmap.DrawOnto(target,
BlendMode.Alpha,
MathF.RoundToInt(x + curOffset - glyphData.Offset.X),
MathF.RoundToInt(y - glyphData.Offset.Y),
(int)glyphData.Size.X,
(int)glyphData.Size.Y,
MathF.RoundToInt(dataCoord.X),
MathF.RoundToInt(dataCoord.Y),
clr);
curOffset += glyphXAdv;
}
}
/// <summary>
/// Loads the specified <see cref="Duality.Resources.Pixmap">Pixmaps</see> pixel data.
/// </summary>
/// <param name="basePixmap">The <see cref="Duality.Resources.Pixmap"/> that is used as pixel data source.</param>
/// <param name="sizeMode">Specifies behaviour in case the source data has non-power-of-two dimensions.</param>
public void LoadData(ContentRef <Pixmap> basePixmap, TextureSizeMode sizeMode)
{
if (this.nativeTex == null)
{
this.nativeTex = DualityApp.GraphicsBackend.CreateTexture();
}
this.needsReload = false;
this.basePixmap = basePixmap;
this.texSizeMode = sizeMode;
if (!this.basePixmap.IsExplicitNull)
{
PixelData pixelData = null;
Pixmap basePixmapRes = this.basePixmap.IsAvailable ? this.basePixmap.Res : null;
if (basePixmapRes != null)
{
pixelData = basePixmapRes.MainLayer;
bool hasAtlas = (basePixmapRes.Atlas != null && basePixmapRes.Atlas.Count > 0);
this.atlas = hasAtlas ? basePixmapRes.Atlas.ToArray() : null;
}
if (pixelData == null)
{
pixelData = Pixmap.Checkerboard.Res.MainLayer;
}
this.AdjustSize(pixelData.Width, pixelData.Height);
this.SetupNativeRes();
if (this.texSizeMode != TextureSizeMode.NonPowerOfTwo &&
(this.pxWidth != this.texWidth || this.pxHeight != this.texHeight))
{
if (this.texSizeMode == TextureSizeMode.Enlarge)
{
PixelData oldData = pixelData;
pixelData = oldData.CloneResize(this.texWidth, this.texHeight);
// Fill border pixels manually - that's cheaper than ColorTransparentPixels here.
oldData.DrawOnto(pixelData, BlendMode.Solid, this.pxWidth, 0, 1, this.pxHeight, this.pxWidth - 1, 0);
oldData.DrawOnto(pixelData, BlendMode.Solid, 0, this.pxHeight, this.pxWidth, 1, 0, this.pxHeight - 1);
}
else
{
pixelData = pixelData.CloneRescale(this.texWidth, this.texHeight, ImageScaleFilter.Linear);
}
}
// Load pixel data to video memory
this.nativeTex.LoadData(
this.pixelformat,
pixelData.Width, pixelData.Height,
pixelData.Data,
ColorDataLayout.Rgba,
ColorDataElementType.Byte);
// Adjust atlas to represent UV coordinates
if (this.atlas != null)
{
Vector2 scale;
scale.X = this.uvRatio.X / this.pxWidth;
scale.Y = this.uvRatio.Y / this.pxHeight;
for (int i = 0; i < this.atlas.Length; i++)
{
this.atlas[i].X *= scale.X;
this.atlas[i].W *= scale.X;
this.atlas[i].Y *= scale.Y;
this.atlas[i].H *= scale.Y;
}
}
}
else
{
this.atlas = null;
this.AdjustSize(this.size.X, this.size.Y);
this.SetupNativeRes();
}
}
/// <summary>
/// Renders the <see cref="Duality.Resources.Font"/> using the specified system font.
/// This method assumes that the system font's size and style match the one specified in
/// the specified Duality font.
/// </summary>
private RenderedFontData RenderGlyphs(SysDrawFont internalFont, FontCharSet charSet, bool antialiazing, bool monospace)
{
DualityFont.GlyphData[] glyphs = new DualityFont.GlyphData[charSet.Chars.Length];
for (int i = 0; i < glyphs.Length; i++)
{
glyphs[i].Glyph = charSet.Chars[i];
}
int bodyAscent = 0;
int baseLine = 0;
int descent = 0;
int ascent = 0;
TextRenderingHint textRenderingHint;
if (antialiazing)
{
textRenderingHint = TextRenderingHint.AntiAliasGridFit;
}
else
{
textRenderingHint = TextRenderingHint.SingleBitPerPixelGridFit;
}
int cols;
int rows;
cols = rows = (int)Math.Ceiling(Math.Sqrt(glyphs.Length));
PixelData pixelLayer = new PixelData(
MathF.RoundToInt(cols * internalFont.Size * 1.2f),
MathF.RoundToInt(rows * internalFont.Height * 1.2f),
ColorRgba.TransparentBlack);
PixelData glyphTemp;
PixelData glyphTempTypo;
Bitmap bm;
Bitmap measureBm = new Bitmap(1, 1);
Rect[] atlas = new Rect[glyphs.Length];
using (Graphics measureGraphics = Graphics.FromImage(measureBm))
{
Brush fntBrush = new SolidBrush(Color.Black);
StringFormat formatDef = StringFormat.GenericDefault;
formatDef.LineAlignment = StringAlignment.Near;
formatDef.FormatFlags = 0;
StringFormat formatTypo = StringFormat.GenericTypographic;
formatTypo.LineAlignment = StringAlignment.Near;
int x = 1;
int y = 1;
for (int i = 0; i < glyphs.Length; ++i)
{
string str = glyphs[i].Glyph.ToString(CultureInfo.InvariantCulture);
bool isSpace = str == " ";
SizeF charSize = measureGraphics.MeasureString(str, internalFont, pixelLayer.Width, formatDef);
// Rasterize a single glyph for rendering
bm = new Bitmap((int)Math.Ceiling(Math.Max(1, charSize.Width)), internalFont.Height + 1);
using (Graphics glyphGraphics = Graphics.FromImage(bm))
{
glyphGraphics.Clear(Color.Transparent);
glyphGraphics.TextRenderingHint = textRenderingHint;
glyphGraphics.DrawString(str, internalFont, fntBrush, new RectangleF(0, 0, bm.Width, bm.Height), formatDef);
}
glyphTemp = new PixelData();
glyphTemp.FromBitmap(bm);
// Rasterize a single glyph in typographic mode for metric analysis
if (!isSpace)
{
Point2 glyphTempOpaqueTopLeft;
Point2 glyphTempOpaqueSize;
glyphTemp.GetOpaqueBoundaries(out glyphTempOpaqueTopLeft, out glyphTempOpaqueSize);
glyphTemp.SubImage(glyphTempOpaqueTopLeft.X, 0, glyphTempOpaqueSize.X, glyphTemp.Height);
if (charSet.CharBodyAscentRef.Contains(glyphs[i].Glyph))
{
bodyAscent += glyphTempOpaqueSize.Y;
}
if (charSet.CharBaseLineRef.Contains(glyphs[i].Glyph))
{
baseLine += glyphTempOpaqueTopLeft.Y + glyphTempOpaqueSize.Y;
}
if (charSet.CharDescentRef.Contains(glyphs[i].Glyph))
{
descent += glyphTempOpaqueTopLeft.Y + glyphTempOpaqueSize.Y;
}
bm = new Bitmap((int)Math.Ceiling(Math.Max(1, charSize.Width)), internalFont.Height + 1);
using (Graphics glyphGraphics = Graphics.FromImage(bm))
{
glyphGraphics.Clear(Color.Transparent);
glyphGraphics.TextRenderingHint = textRenderingHint;
glyphGraphics.DrawString(str, internalFont, fntBrush, new RectangleF(0, 0, bm.Width, bm.Height), formatTypo);
}
glyphTempTypo = new PixelData();
glyphTempTypo.FromBitmap(bm);
glyphTempTypo.Crop(true, false);
}
else
{
glyphTempTypo = glyphTemp;
}
// Update xy values if it doesn't fit anymore
if (x + glyphTemp.Width + 2 > pixelLayer.Width)
{
x = 1;
y += internalFont.Height + MathF.Clamp((int)MathF.Ceiling(internalFont.Height * 0.1875f), 3, 10);
}
// Memorize atlas coordinates & glyph data
glyphs[i].Width = glyphTemp.Width;
glyphs[i].Height = glyphTemp.Height;
glyphs[i].OffsetX = glyphTemp.Width - glyphTempTypo.Width;
glyphs[i].OffsetY = 0; // ttf fonts are rendered on blocks that are the whole size of the height - so no need for offset
if (isSpace)
{
glyphs[i].Width /= 2;
glyphs[i].OffsetX /= 2;
}
atlas[i].X = x;
atlas[i].Y = y;
atlas[i].W = glyphTemp.Width;
atlas[i].H = (internalFont.Height + 1);
// Draw it onto the font surface
glyphTemp.DrawOnto(pixelLayer, BlendMode.Solid, x, y);
x += glyphTemp.Width + MathF.Clamp((int)MathF.Ceiling(internalFont.Height * 0.125f), 2, 10);
}
}
// White out texture except alpha channel.
for (int i = 0; i < pixelLayer.Data.Length; i++)
{
pixelLayer.Data[i].R = 255;
pixelLayer.Data[i].G = 255;
pixelLayer.Data[i].B = 255;
}
// Monospace offset adjustments
if (monospace)
{
int maxGlyphWidth = 0;
for (int i = 0; i < glyphs.Length; i++)
{
maxGlyphWidth = Math.Max(maxGlyphWidth, glyphs[i].Width);
}
for (int i = 0; i < glyphs.Length; ++i)
{
glyphs[i].OffsetX -= (int)Math.Round((maxGlyphWidth - glyphs[i].Width) / 2.0f);
}
}
// Determine Font properties
{
float lineSpacing = internalFont.FontFamily.GetLineSpacing(internalFont.Style);
float emHeight = internalFont.FontFamily.GetEmHeight(internalFont.Style);
float cellAscent = internalFont.FontFamily.GetCellAscent(internalFont.Style);
float cellDescent = internalFont.FontFamily.GetCellDescent(internalFont.Style);
ascent = (int)Math.Round(cellAscent * internalFont.Size / emHeight);
bodyAscent /= charSet.CharBodyAscentRef.Length;
baseLine /= charSet.CharBaseLineRef.Length;
descent = (int)Math.Round(((float)descent / charSet.CharDescentRef.Length) - (float)baseLine);
}
// Aggregate rendered and generated data into our return value
FontMetrics metrics = new FontMetrics(
size: internalFont.SizeInPoints,
height: (int)internalFont.Height,
ascent: ascent,
bodyAscent: bodyAscent,
descent: descent,
baseLine: baseLine,
monospace: monospace);
return(new RenderedFontData
{
Bitmap = pixelLayer,
Atlas = atlas,
GlyphData = glyphs,
Metrics = metrics
});
}
/// <summary>
/// Composes pixel and atlas data for a single <see cref="Tileset"/> visual layer.
/// </summary>
private LayerPixelData ComposeLayerPixelData(TilesetRenderInput renderInput, PixelData sourceData, LayerGeometry geometry)
{
// Create a buffer for writing target pixel data
LayerPixelData target;
target.PixelData = new PixelData(geometry.TargetTextureSize.X, geometry.TargetTextureSize.Y);
target.Atlas = new List <Rect>();
// Iterate over source tiles and copy each tile from source to target
Point2 targetTilePos = new Point2(0, 0);
for (int tileIndex = 0; tileIndex < geometry.SourceTileCount; tileIndex++)
{
// Determine source and target positions on pixel data / buffer
Point2 sourceTilePos = geometry.GetSourceTilePos(tileIndex);
Point2 targetContentPos = new Point2(
targetTilePos.X + renderInput.TargetTileMargin,
targetTilePos.Y + renderInput.TargetTileMargin);
// Draw the source tile onto the target buffer, including its spacing / border
sourceData.DrawOnto(target.PixelData,
BlendMode.Solid,
targetContentPos.X,
targetContentPos.Y,
renderInput.SourceTileSize.X,
renderInput.SourceTileSize.Y,
sourceTilePos.X,
sourceTilePos.Y);
// Fill up the target spacing area with similar pixels
if (renderInput.TargetTileMargin > 0)
{
FillTileSpacing(target.PixelData, renderInput.TargetTileMargin, targetContentPos, renderInput.SourceTileSize);
}
// Update whether the tile is considered visually empty
if (this.tiles.Data[tileIndex].IsVisuallyEmpty)
{
bool isLayerVisuallyEmpty = IsCompletelyTransparent(
sourceData,
sourceTilePos,
renderInput.SourceTileSize);
if (!isLayerVisuallyEmpty)
{
this.tiles.Data[tileIndex].IsVisuallyEmpty = false;
}
}
// Add an entry to the generated atlas
Rect atlasRect = new Rect(
targetTilePos.X + renderInput.TargetTileMargin,
targetTilePos.Y + renderInput.TargetTileMargin,
geometry.TargetTileAdvance.X - renderInput.TargetTileMargin * 2,
geometry.TargetTileAdvance.Y - renderInput.TargetTileMargin * 2);
target.Atlas.Add(atlasRect);
// Advance the target tile position
targetTilePos.X += geometry.TargetTileAdvance.X;
if (targetTilePos.X + geometry.TargetTileAdvance.X > target.PixelData.Width)
{
targetTilePos.X = 0;
targetTilePos.Y += geometry.TargetTileAdvance.Y;
}
}
// Generate additional target tiles as scheduled
foreach (GeneratedQuadTile tile in this.generateTileSchedule)
{
// Determine source and target positions on pixel data / buffer
Point2 sourceTilePosTopLeft = geometry.GetSourceTilePos(tile.SourceTopLeftIndex);
Point2 sourceTilePosTopRight = geometry.GetSourceTilePos(tile.SourceTopRightIndex);
Point2 sourceTilePosBottomRight = geometry.GetSourceTilePos(tile.SourceBottomRightIndex);
Point2 sourceTilePosBottomLeft = geometry.GetSourceTilePos(tile.SourceBottomLeftIndex);
Point2 targetContentPos = new Point2(
targetTilePos.X + renderInput.TargetTileMargin,
targetTilePos.Y + renderInput.TargetTileMargin);
// Draw the source tile onto the target buffer, including its spacing / border
Point2 quadSize = renderInput.SourceTileSize / 2;
sourceData.DrawOnto(target.PixelData, BlendMode.Solid,
targetContentPos.X,
targetContentPos.Y,
quadSize.X,
quadSize.Y,
sourceTilePosTopLeft.X,
sourceTilePosTopLeft.Y);
sourceData.DrawOnto(target.PixelData, BlendMode.Solid,
targetContentPos.X + quadSize.X,
targetContentPos.Y,
quadSize.X,
quadSize.Y,
sourceTilePosTopRight.X + quadSize.X,
sourceTilePosTopRight.Y);
sourceData.DrawOnto(target.PixelData, BlendMode.Solid,
targetContentPos.X + quadSize.X,
targetContentPos.Y + quadSize.Y,
quadSize.X,
quadSize.Y,
sourceTilePosBottomRight.X + quadSize.X,
sourceTilePosBottomRight.Y + quadSize.Y);
sourceData.DrawOnto(target.PixelData, BlendMode.Solid,
targetContentPos.X,
targetContentPos.Y + quadSize.Y,
quadSize.X,
quadSize.Y,
sourceTilePosBottomLeft.X,
sourceTilePosBottomLeft.Y + quadSize.Y);
// Fill up the target spacing area with similar pixels
if (renderInput.TargetTileMargin > 0)
{
FillTileSpacing(target.PixelData, renderInput.TargetTileMargin, targetContentPos, renderInput.SourceTileSize);
}
// Add an entry to the generated atlas
Rect atlasRect = new Rect(
targetTilePos.X + renderInput.TargetTileMargin,
targetTilePos.Y + renderInput.TargetTileMargin,
geometry.TargetTileAdvance.X - renderInput.TargetTileMargin * 2,
geometry.TargetTileAdvance.Y - renderInput.TargetTileMargin * 2);
target.Atlas.Add(atlasRect);
// Advance the target tile position
targetTilePos.X += geometry.TargetTileAdvance.X;
if (targetTilePos.X + geometry.TargetTileAdvance.X > target.PixelData.Width)
{
targetTilePos.X = 0;
targetTilePos.Y += geometry.TargetTileAdvance.Y;
}
}
// Update which tiles are considered visually empty
for (int tileIndex = 0; tileIndex < this.outputTileCount; tileIndex++)
{
// Determine target positions on pixel data / buffer
Rect targetRect = target.Atlas[tileIndex];
// Update whether the tile is considered visually empty
if (this.tiles.Data[tileIndex].IsVisuallyEmpty)
{
bool isLayerVisuallyEmpty = IsCompletelyTransparent(
target.PixelData,
(Point2)targetRect.Pos,
(Point2)targetRect.Size);
if (!isLayerVisuallyEmpty)
{
this.tiles.Data[tileIndex].IsVisuallyEmpty = false;
}
}
}
return(target);
}
/// <summary>
/// Generates pixel and atlas data for a single <see cref="Tileset"/> visual layer.
/// </summary>
/// <param name="renderInput"></param>
/// <param name="sourceData"></param>
/// <param name="geometry"></param>
/// <param name="tileData"></param>
/// <returns></returns>
private LayerPixelData GenerateLayerPixelData(TilesetRenderInput renderInput, PixelData sourceData, LayerGeometry geometry, RawList <TileInfo> tileData)
{
// Create a buffer for writing target pixel data
LayerPixelData target;
target.PixelData = new PixelData(geometry.TargetTextureSize.X, geometry.TargetTextureSize.Y);
target.Atlas = new List <Rect>();
// Iterate over tiles and move each tile from source to target
Point2 targetTilePos = new Point2(0, 0);
for (int tileIndex = 0; tileIndex < geometry.SourceTileCount; tileIndex++)
{
// Initialize a new tile info when necessary
if (tileIndex >= tileData.Count)
{
tileData.Count++;
tileData.Data[tileIndex].IsVisuallyEmpty = true;
}
// Determine where on the source buffer the tile is located
Point2 sourceTilePos = new Point2(
geometry.SourceTileAdvance.X * (tileIndex % geometry.SourceTilesPerRow),
geometry.SourceTileAdvance.Y * (tileIndex / geometry.SourceTilesPerRow));
// Draw the source tile onto the target buffer, including its spacing / border
Point2 targetContentPos = new Point2(
targetTilePos.X + renderInput.TargetTileMargin,
targetTilePos.Y + renderInput.TargetTileMargin);
sourceData.DrawOnto(target.PixelData,
BlendMode.Solid,
targetContentPos.X,
targetContentPos.Y,
renderInput.SourceTileSize.X,
renderInput.SourceTileSize.Y,
sourceTilePos.X,
sourceTilePos.Y);
// Fill up the target spacing area with similar pixels
if (renderInput.TargetTileMargin > 0)
{
FillTileSpacing(target.PixelData, renderInput.TargetTileMargin, targetContentPos, renderInput.SourceTileSize);
}
// Update whether the tile is considered visually empty
if (tileData.Data[tileIndex].IsVisuallyEmpty)
{
bool isLayerVisuallyEmpty = IsCompletelyTransparent(
sourceData,
sourceTilePos,
renderInput.SourceTileSize);
if (!isLayerVisuallyEmpty)
{
tileData.Data[tileIndex].IsVisuallyEmpty = false;
}
}
// Add an entry to the generated atlas
Rect atlasRect = new Rect(
targetTilePos.X + renderInput.TargetTileMargin,
targetTilePos.Y + renderInput.TargetTileMargin,
geometry.TargetTileAdvance.X - renderInput.TargetTileMargin * 2,
geometry.TargetTileAdvance.Y - renderInput.TargetTileMargin * 2);
target.Atlas.Add(atlasRect);
// Advance the target tile position
targetTilePos.X += geometry.TargetTileAdvance.X;
if (targetTilePos.X + geometry.TargetTileAdvance.X > target.PixelData.Width)
{
targetTilePos.X = 0;
targetTilePos.Y += geometry.TargetTileAdvance.Y;
}
}
return(target);
}
