public static QFontData LoadQFontDataFromFile(string filePath, float downSampleFactor, QFontConfiguration loaderConfig) { var lines = new List <String>(); StreamReader reader = new StreamReader(filePath); string line; while ((line = reader.ReadLine()) != null) { lines.Add(line); } reader.Close(); var data = new QFontData(); int pageCount = 0; char[] charSet; data.Deserialize(lines, out pageCount, out charSet); string namePrefix = filePath.Replace(".qfont", "").Replace(" ", ""); var bitmapPages = new List <QBitmap>(); if (pageCount == 1) { bitmapPages.Add(new QBitmap(namePrefix + ".png")); } else { for (int i = 0; i < pageCount; i++) { bitmapPages.Add(new QBitmap(namePrefix + "_sheet_" + i)); } } foreach (var glyph in data.CharSetMapping.Values) { RetargetGlyphRectangleOutwards(bitmapPages[glyph.page].bitmapData, glyph, false, loaderConfig.KerningConfig.alphaEmptyPixelTolerance); } var intercept = FirstIntercept(data.CharSetMapping); if (intercept != null) { throw new Exception("Failed to load font from file. Glyphs '" + intercept[0] + "' and '" + intercept[1] + "' were overlapping. If you are texturing your font without locking pixel opacity, then consider using a larger glyph margin. This can be done by setting QFontBuilderConfiguration myQfontBuilderConfig.GlyphMargin, and passing it into CreateTextureFontFiles."); } if (downSampleFactor > 1.0f) { foreach (var page in bitmapPages) { page.DownScale32((int)(page.bitmap.Width * downSampleFactor), (int)(page.bitmap.Height * downSampleFactor)); } foreach (var glyph in data.CharSetMapping.Values) { glyph.rect = new Rectangle((int)(glyph.rect.X * downSampleFactor), (int)(glyph.rect.Y * downSampleFactor), (int)(glyph.rect.Width * downSampleFactor), (int)(glyph.rect.Height * downSampleFactor)); glyph.yOffset = (int)(glyph.yOffset * downSampleFactor); } } else if (downSampleFactor < 1.0f) { // If we were simply to shrink the entire texture, then at some point we will make glyphs overlap, breaking the font. // For this reason it is necessary to copy every glyph to a separate bitmap, and then shrink each bitmap individually. QFontGlyph[] shrunkGlyphs; QBitmap[] shrunkBitmapsPerGlyph; CreateBitmapPerGlyph(Helper.ToArray(data.CharSetMapping.Values), bitmapPages.ToArray(), out shrunkGlyphs, out shrunkBitmapsPerGlyph); //shrink each bitmap for (int i = 0; i < shrunkGlyphs.Length; i++) { var bmp = shrunkBitmapsPerGlyph[i]; bmp.DownScale32(Math.Max((int)(bmp.bitmap.Width * downSampleFactor), 1), Math.Max((int)(bmp.bitmap.Height * downSampleFactor), 1)); shrunkGlyphs[i].rect = new Rectangle(0, 0, bmp.bitmap.Width, bmp.bitmap.Height); shrunkGlyphs[i].yOffset = (int)(shrunkGlyphs[i].yOffset * downSampleFactor); } var shrunkBitmapData = new BitmapData[shrunkBitmapsPerGlyph.Length]; for (int i = 0; i < shrunkBitmapsPerGlyph.Length; i++) { shrunkBitmapData[i] = shrunkBitmapsPerGlyph[i].bitmapData; } //use roughly the same number of pages as before.. int newWidth = (int)(bitmapPages[0].bitmap.Width * (0.1f + downSampleFactor)); int newHeight = (int)(bitmapPages[0].bitmap.Height * (0.1f + downSampleFactor)); //free old bitmap pages since we are about to chuck them away for (int i = 0; i < pageCount; i++) { bitmapPages[i].Free(); } QFontGlyph[] shrunkRepackedGlyphs; bitmapPages = GenerateBitmapSheetsAndRepack(shrunkGlyphs, shrunkBitmapData, newWidth, newHeight, out shrunkRepackedGlyphs, 4); data.CharSetMapping = CreateCharGlyphMapping(shrunkRepackedGlyphs); foreach (var bmp in shrunkBitmapsPerGlyph) { bmp.Free(); } pageCount = bitmapPages.Count; } data.Pages = new TexturePage[pageCount]; for (int i = 0; i < pageCount; i++) { data.Pages[i] = new TexturePage(bitmapPages[i].bitmapData); } if (downSampleFactor != 1.0f) { foreach (var glyph in data.CharSetMapping.Values) { RetargetGlyphRectangleOutwards(bitmapPages[glyph.page].bitmapData, glyph, false, loaderConfig.KerningConfig.alphaEmptyPixelTolerance); } intercept = FirstIntercept(data.CharSetMapping); if (intercept != null) { throw new Exception("Failed to load font from file. Glyphs '" + intercept[0] + "' and '" + intercept[1] + "' were overlapping. This occurred only after resizing your texture font, implying that there is a bug in QFont. "); } } var glyphList = new List <QFontGlyph>(); foreach (var c in charSet) { glyphList.Add(data.CharSetMapping[c]); } if (loaderConfig.ShadowConfig != null) { data.dropShadowFont = BuildDropShadow(bitmapPages, glyphList.ToArray(), loaderConfig.ShadowConfig, Helper.ToArray(charSet), loaderConfig.KerningConfig.alphaEmptyPixelTolerance); } data.KerningPairs = KerningCalculator.CalculateKerning(Helper.ToArray(charSet), glyphList.ToArray(), bitmapPages, loaderConfig.KerningConfig); data.CalculateMeanWidth(); data.CalculateMaxHeight(); for (int i = 0; i < pageCount; i++) { bitmapPages[i].Free(); } return(data); }
/* * public static QFontData LoadQFontDataFromFile(string filePath) * { * return LoadQFontDataFromFile(filePath, 1.0f); * }*/ public static QFontData LoadQFontDataFromFile(string filePath, float downSampleFactor, QFontShadowConfiguration shadowConfig) { var lines = new List <String>(); StreamReader reader = new StreamReader(filePath); string line; while ((line = reader.ReadLine()) != null) { lines.Add(line); } reader.Close(); var data = new QFontData(); int pageCount = 0; char[] charSet; data.Deserialize(lines, out pageCount, out charSet); string namePrefix = filePath.Replace(".qfont", "").Replace(" ", ""); data.Pages = new TexturePage[pageCount]; var bitmapPages = new List <QBitmap>(); if (pageCount == 1) { bitmapPages.Add(new QBitmap(namePrefix + ".png")); } else { for (int i = 0; i < pageCount; i++) { bitmapPages.Add(new QBitmap(namePrefix + "_sheet_" + i)); } } if (downSampleFactor != 1.0f) { foreach (var page in bitmapPages) { page.DownScale32((int)(page.bitmap.Width * downSampleFactor), (int)(page.bitmap.Height * downSampleFactor)); } } for (int i = 0; i < pageCount; i++) { data.Pages[i] = new TexturePage(bitmapPages[i].bitmapData); } foreach (var glyph in data.CharSetMapping.Values) { glyph.rect = new Rectangle((int)(glyph.rect.X * downSampleFactor), (int)(glyph.rect.Y * downSampleFactor), (int)(glyph.rect.Width * downSampleFactor), (int)(glyph.rect.Height * downSampleFactor)); RetargetGlyphRectangleOutwards(bitmapPages[glyph.page].bitmapData, glyph, false); glyph.yOffset = (int)(glyph.yOffset * downSampleFactor); } var intercept = FirstIntercept(data.CharSetMapping); if (intercept != null) { throw new Exception("Failed to load font from file. Glyphs '" + intercept[0] + "' and '" + intercept[1] + "' were overlapping. If you are texturing your font without locking pixel opacity, then consider using a larger glyph margin. This can be done by setting QFontBuilderConfiguration myQfontBuilderConfig.GlyphMargin, and passing it into CreateTextureFontFiles."); } var glyphList = new List <QFontGlyph>(); foreach (var c in charSet) { glyphList.Add(data.CharSetMapping[c]); } if (shadowConfig != null) { data.dropShadow = BuildDropShadow(bitmapPages, glyphList.ToArray(), shadowConfig, charSet.ToArray()); } data.KerningPairs = KerningCalculator.CalculateKerning(charSet.ToArray(), glyphList.ToArray(), bitmapPages); data.CalculateMeanWidth(); data.CalculateMaxHeight(); for (int i = 0; i < pageCount; i++) { bitmapPages[i].Free(); } return(data); }
public QFontData BuildFontData(string saveName) { if (config.SuperSampleLevels <= 0 || config.SuperSampleLevels > 8) { throw new ArgumentOutOfRangeException("SuperSampleLevels = [" + config.SuperSampleLevels + "] is an unsupported value. Please use values in the range [1,8]"); } int margin = 3; //margin in initial bitmap (don't bother to make configurable - likely to cause confusion int glyphMargin = config.GlyphMargin * config.SuperSampleLevels; QFontGlyph[] initialGlyphs; var sizes = GetGlyphSizes(font); var maxSize = GetMaxGlyphSize(sizes); var initialBmp = CreateInitialBitmap(font, maxSize, margin, out initialGlyphs, config.TextGenerationRenderHint); var initialBitmapData = initialBmp.LockBits(new Rectangle(0, 0, initialBmp.Width, initialBmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb); int minYOffset = int.MaxValue; foreach (var glyph in initialGlyphs) { RetargetGlyphRectangleInwards(initialBitmapData, glyph, true, config.KerningConfig.alphaEmptyPixelTolerance); minYOffset = Math.Min(minYOffset, glyph.yOffset); } minYOffset--; //give one pixel of breathing room? foreach (var glyph in initialGlyphs) { glyph.yOffset -= minYOffset; } Size pagesize = GetOptimalPageSize(initialBmp.Width * config.SuperSampleLevels, initialBmp.Height * config.SuperSampleLevels, config.PageMaxTextureSize); QFontGlyph[] glyphs; List <QBitmap> bitmapPages = GenerateBitmapSheetsAndRepack(initialGlyphs, new BitmapData[1] { initialBitmapData }, pagesize.Width, pagesize.Height, out glyphs, glyphMargin); initialBmp.UnlockBits(initialBitmapData); initialBmp.Dispose(); if (config.SuperSampleLevels != 1) { ScaleSheetsAndGlyphs(bitmapPages, glyphs, 1.0f / config.SuperSampleLevels); RetargetAllGlyphs(bitmapPages, glyphs, config.KerningConfig.alphaEmptyPixelTolerance); } //create list of texture pages var pages = new List <TexturePage>(); foreach (var page in bitmapPages) { pages.Add(new TexturePage(page.bitmapData)); } var fontData = new QFontData(); fontData.CharSetMapping = CreateCharGlyphMapping(glyphs); fontData.Pages = pages.ToArray(); fontData.CalculateMeanWidth(); fontData.CalculateMaxHeight(); fontData.KerningPairs = KerningCalculator.CalculateKerning(charSet.ToCharArray(), glyphs, bitmapPages, config.KerningConfig); fontData.naturallyMonospaced = IsMonospaced(sizes); if (saveName != null) { if (bitmapPages.Count == 1) { bitmapPages[0].bitmap.UnlockBits(bitmapPages[0].bitmapData); bitmapPages[0].bitmap.Save(saveName + ".png", ImageFormat.Png); bitmapPages[0] = new QBitmap(bitmapPages[0].bitmap); } else { for (int i = 0; i < bitmapPages.Count; i++) { bitmapPages[i].bitmap.UnlockBits(bitmapPages[i].bitmapData); bitmapPages[i].bitmap.Save(saveName + "_sheet_" + i + ".png", ImageFormat.Png); bitmapPages[i] = new QBitmap(bitmapPages[i].bitmap); } } } if (config.ShadowConfig != null) { fontData.dropShadowFont = BuildDropShadow(bitmapPages, glyphs, config.ShadowConfig, charSet.ToCharArray(), config.KerningConfig.alphaEmptyPixelTolerance); } foreach (var page in bitmapPages) { page.Free(); } //validate glyphs var intercept = FirstIntercept(fontData.CharSetMapping); if (intercept != null) { throw new Exception("Failed to create glyph set. Glyphs '" + intercept[0] + "' and '" + intercept[1] + "' were overlapping. This is could be due to an error in the font, or a bug in Graphics.MeasureString()."); } return(fontData); }
/// <summary> /// Builds the font data /// </summary> /// <param name="saveName">The filename to save the font texture files too. If null, the texture files are not saved</param> /// <returns>A <see cref="QFontData"/></returns> public QFontData BuildFontData(string saveName = null) { // Check super sample level range if (_config.SuperSampleLevels <= 0 || _config.SuperSampleLevels > 8) { throw new ArgumentOutOfRangeException("SuperSampleLevels = [" + _config.SuperSampleLevels + "] is an unsupported value. Please use values in the range [1,8]"); } int margin = 3; //margin in initial bitmap (don't bother to make configurable - likely to cause confusion int glyphMargin = _config.GlyphMargin * _config.SuperSampleLevels; QFontGlyph[] initialGlyphs; var sizes = GetGlyphSizes(_font); var maxSize = GetMaxGlyphSize(sizes); var initialBmp = CreateInitialBitmap(_font, maxSize, margin, out initialGlyphs, _config.TextGenerationRenderHint); #if DEBUG // print bitmap with bounds to debug it var debugBmp = initialBmp.Clone() as Bitmap; var graphics = Graphics.FromImage(debugBmp); var pen = new Pen(Color.Red, 1); foreach (var g in initialGlyphs) { graphics.DrawRectangle(pen, g.Rect); } graphics.Flush(); graphics.Dispose(); debugBmp.Save(_font + "-DEBUG.png", ImageFormat.Png); #endif var initialBitmapData = initialBmp.LockBits(new Rectangle(0, 0, initialBmp.Width, initialBmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb); int minYOffset = int.MaxValue; // Retarget each glyph rectangle to get minimum bounding box foreach (var glyph in initialGlyphs) { RetargetGlyphRectangleInwards(initialBitmapData, glyph, true, _config.KerningConfig.AlphaEmptyPixelTolerance); minYOffset = Math.Min(minYOffset, glyph.YOffset); } minYOffset--; //give one pixel of breathing room? // Update glyph y offsets foreach (var glyph in initialGlyphs) { glyph.YOffset -= minYOffset; } // Find the optimal page size for the font Size pagesize = GetOptimalPageSize(initialBmp.Width * _config.SuperSampleLevels, initialBmp.Height * _config.SuperSampleLevels, _config.PageMaxTextureSize); QFontGlyph[] glyphs; // Generate the final bitmap pages List <QBitmap> bitmapPages = GenerateBitmapSheetsAndRepack(initialGlyphs, new[] { initialBitmapData }, pagesize.Width, pagesize.Height, out glyphs, glyphMargin); // Clean up initialBmp.UnlockBits(initialBitmapData); initialBmp.Dispose(); // Scale and retarget glyphs if needed if (_config.SuperSampleLevels != 1) { ScaleSheetsAndGlyphs(bitmapPages, glyphs, 1.0f / _config.SuperSampleLevels); RetargetAllGlyphs(bitmapPages, glyphs, _config.KerningConfig.AlphaEmptyPixelTolerance); } //create list of texture pages var pages = new List <TexturePage>(); foreach (var page in bitmapPages) { pages.Add(new TexturePage(page.BitmapData)); } // Build the QFontData var fontData = new QFontData { CharSetMapping = CreateCharGlyphMapping(glyphs), Pages = pages.ToArray() }; fontData.CalculateMeanWidth(); fontData.CalculateMaxHeight(); fontData.KerningPairs = KerningCalculator.CalculateKerning(_charSet.ToCharArray(), glyphs, bitmapPages, _config.KerningConfig, _font); fontData.NaturallyMonospaced = IsMonospaced(sizes); // Save the font texture files if required if (saveName != null) { if (bitmapPages.Count == 1) { bitmapPages[0].Bitmap.UnlockBits(bitmapPages[0].BitmapData); bitmapPages[0].Bitmap.Save(saveName + ".png", ImageFormat.Png); bitmapPages[0] = new QBitmap(bitmapPages[0].Bitmap); } else { for (int i = 0; i < bitmapPages.Count; i++) { bitmapPages[i].Bitmap.UnlockBits(bitmapPages[i].BitmapData); bitmapPages[i].Bitmap.Save(saveName + "_sheet_" + i + ".png", ImageFormat.Png); bitmapPages[i] = new QBitmap(bitmapPages[i].Bitmap); } } } // Build the font drop shadow if required if (_config.ShadowConfig != null) { fontData.DropShadowFont = BuildDropShadow(bitmapPages, glyphs, _config.ShadowConfig, _charSet.ToCharArray(), _config.KerningConfig.AlphaEmptyPixelTolerance); } // Clean up resources foreach (var page in bitmapPages) { page.Free(); } // Check that no glyphs are overlapping var intercept = FirstIntercept(fontData.CharSetMapping); if (intercept != null) { throw new Exception("Failed to create glyph set. Glyphs '" + intercept[0] + "' and '" + intercept[1] + "' were overlapping. This is could be due to an error in the font, or a bug in Graphics.MeasureString()."); } return(fontData); }