Esempio n. 1
0
        public static void Crop(Glyph glyph)
        {
            // Crop the top.
            while ((glyph.Subrect.Height > 1) && BitmapUtils.IsAlphaEntirely(0, glyph.Bitmap, new Rectangle(glyph.Subrect.X, glyph.Subrect.Y, glyph.Subrect.Width, 1)))
            {
                glyph.Subrect.Y++;
                glyph.Subrect.Height--;

                glyph.YOffset++;
            }

            // Crop the bottom.
            while ((glyph.Subrect.Height > 1) && BitmapUtils.IsAlphaEntirely(0, glyph.Bitmap, new Rectangle(glyph.Subrect.X, glyph.Subrect.Bottom - 1, glyph.Subrect.Width, 1)))
            {
                glyph.Subrect.Height--;
            }

            // Crop the left.
            while ((glyph.Subrect.Width > 1) && BitmapUtils.IsAlphaEntirely(0, glyph.Bitmap, new Rectangle(glyph.Subrect.X, glyph.Subrect.Y, 1, glyph.Subrect.Height)))
            {
                glyph.Subrect.X++;
                glyph.Subrect.Width--;

                glyph.XOffset++;
            }

            // Crop the right.
            while ((glyph.Subrect.Width > 1) && BitmapUtils.IsAlphaEntirely(0, glyph.Bitmap, new Rectangle(glyph.Subrect.Right - 1, glyph.Subrect.Y, 1, glyph.Subrect.Height)))
            {
                glyph.Subrect.Width--;

                glyph.XAdvance++;
            }
        }
Esempio n. 2
0
        public static Bitmap ArrangeGlyphsFast(Glyph[] sourceGlyphs)
        {
            // Build up a list of all the glyphs needing to be arranged.
            List<ArrangedGlyph> glyphs = new List<ArrangedGlyph>();

            int largestWidth = 1;
            int largestHeight = 1;

            for (int i = 0; i < sourceGlyphs.Length; i++)
            {
                ArrangedGlyph glyph = new ArrangedGlyph();

                glyph.Source = sourceGlyphs[i];

                // Leave a one pixel border around every glyph in the output bitmap.
                glyph.Width = sourceGlyphs[i].Subrect.Width + 2;
                glyph.Height = sourceGlyphs[i].Subrect.Height + 2;

                if (glyph.Width > largestWidth)
                    largestWidth = glyph.Width;

                if (glyph.Height > largestHeight)
                    largestHeight = glyph.Height;

                glyphs.Add(glyph);
            }

            // Work out how big the output bitmap should be.
            int outputWidth = GuessOutputWidth(sourceGlyphs);

            // Place each glyph in a grid based on the largest glyph size
            int curx = 0;
            int cury = 0;

            for (int i = 0; i < glyphs.Count; i++)
            {
                glyphs[i].X = curx;
                glyphs[i].Y = cury;

                curx += largestWidth;

                if (curx + largestWidth > outputWidth)
                {
                    curx = 0;
                    cury += largestHeight;
                }
            }

            // Create the merged output bitmap.
            int outputHeight = MakeValidTextureSize(cury + largestHeight, false);

            return CopyGlyphsToOutput(glyphs, outputWidth, outputHeight);
        }
Esempio n. 3
0
        public static void WriteSpriteFont(CommandLineOptions options, Glyph[] glyphs, float lineSpacing, Bitmap bitmap)
        {
            using (FileStream file = File.OpenWrite(options.OutputFile))
            using (BinaryWriter writer = new BinaryWriter(file))
            {
                WriteMagic(writer);
                WriteGlyphs(writer, glyphs);

                writer.Write(lineSpacing);
                writer.Write(options.DefaultCharacter);
                
                WriteBitmap(writer, options, bitmap);
            }
        }
Esempio n. 4
0
        public static Bitmap ArrangeGlyphs(Glyph[] sourceGlyphs)
        {
            // Build up a list of all the glyphs needing to be arranged.
            List<ArrangedGlyph> glyphs = new List<ArrangedGlyph>();

            for (int i = 0; i < sourceGlyphs.Length; i++)
            {
                ArrangedGlyph glyph = new ArrangedGlyph();

                glyph.Source = sourceGlyphs[i];

                // Leave a one pixel border around every glyph in the output bitmap.
                glyph.Width = sourceGlyphs[i].Subrect.Width + 2;
                glyph.Height = sourceGlyphs[i].Subrect.Height + 2;

                glyphs.Add(glyph);
            }

            // Sort so the largest glyphs get arranged first.
            glyphs.Sort(CompareGlyphSizes);

            // Work out how big the output bitmap should be.
            int outputWidth = GuessOutputWidth(sourceGlyphs);
            int outputHeight = 0;

            // Choose positions for each glyph, one at a time.
            for (int i = 0; i < glyphs.Count; i++)
            {
                if (i > 0 && (i % 500) == 0)
                {
                    Console.Write(".");
                }

                PositionGlyph(glyphs, i, outputWidth);

                outputHeight = Math.Max(outputHeight, glyphs[i].Y + glyphs[i].Height);
            }

            if (glyphs.Count >= 500)
            {
                Console.WriteLine();
            }

            // Create the merged output bitmap.
            outputHeight = MakeValidTextureSize(outputHeight, false);

            return CopyGlyphsToOutput(glyphs, outputWidth, outputHeight);
        }
Esempio n. 5
0
        static void WriteGlyphs(BinaryWriter writer, Glyph[] glyphs)
        {
            writer.Write(glyphs.Length);

            foreach (Glyph glyph in glyphs)
            {
                writer.Write((int)glyph.Character);

                writer.Write(glyph.Subrect.Left);
                writer.Write(glyph.Subrect.Top);
                writer.Write(glyph.Subrect.Right);
                writer.Write(glyph.Subrect.Bottom);

                writer.Write(glyph.XOffset);
                writer.Write(glyph.YOffset);
                writer.Write(glyph.XAdvance);
            }
        }
Esempio n. 6
0
        // Heuristic guesses what might be a good output width for a list of glyphs.
        static int GuessOutputWidth(Glyph[] sourceGlyphs)
        {
            int maxWidth = 0;
            int totalSize = 0;

            foreach (Glyph glyph in sourceGlyphs)
            {
                maxWidth = Math.Max(maxWidth, glyph.Subrect.Width);
                totalSize += glyph.Subrect.Width * glyph.Subrect.Height;
            }

            int width = Math.Max((int)Math.Sqrt(totalSize), maxWidth);

            return MakeValidTextureSize(width, true);
        }