Пример #1
0
        void CreateNewLabelLayoutWrapped()
        {
            //
            // Stage 1 - Encode glyphs and calculate final dimensions
            //

            // Start a new layout
            glyphLayout.Clear();

            // Set a local maxWidth that compensates for textScale
            int maxWidth = (int)(this.maxWidth / textScale);

            // First pass encodes ASCII and calculates final dimensions
            float width = 0;
            float greatestWidthFound = 0;
            int   lastEndOfRowByte   = 0;
            float spacing            = font.GlyphSpacing;

            int[]        codes    = GetCodes(startCharacterIndex);
            List <int[]> rows     = new List <int[]>();
            List <float> rowWidth = new List <float>();

            for (int i = 0; i < codes.Length; i++)
            {
                // Calculate total width
                float glyphWidth = font.GetGlyphWidth(codes[i], LocalScale, spacing);

                // If maxWidth is set, don't allow the label texture to exceed it
                if ((maxWidth <= 0) || ((width + glyphWidth + font.GlyphSpacing) <= maxWidth))
                {
                    width += glyphWidth;
                }
                else
                {
                    int rowLength;
                    if (wrapWords)
                    {
                        int j;
                        for (j = i; j >= lastEndOfRowByte; j--)
                        {
                            glyphWidth = font.GetGlyphWidth(codes[j], LocalScale, spacing);
                            if (j < i) // glyph i has not been added to width
                            {
                                width -= glyphWidth;
                                if (width <= maxWidth && codes[j] == DaggerfallFont.SpaceCode)
                                {
                                    break;
                                }
                            }
                        }

                        if (j > lastEndOfRowByte)             // space found in row at position that is not exceeding maxWidth for all summed glyph's widths before this position
                        {
                            i         = j;                    // set new processing position (j is the space position, i will be increased on next loop iteration to point to next chat after the space char)
                            rowLength = j - lastEndOfRowByte; // set length from row start to position before space
                        }
                        else
                        {
                            rowLength = i - lastEndOfRowByte;
                        }

                        // compute width of text-wrapped line
                        width = 0;
                        for (int k = lastEndOfRowByte; k < j; k++)
                        {
                            if (k < j - 1 || (k == j - 1 && codes[k] != DaggerfallFont.SpaceCode)) // all expect last character if it is a space
                            {
                                glyphWidth = font.GetGlyphWidth(codes[k], LocalScale, spacing);
                                width     += glyphWidth;
                            }
                        }
                    }
                    else
                    {
                        rowLength = i - lastEndOfRowByte;
                    }
                    // The row of glyphs exceeded maxWidth. Add it to the list of rows and start
                    // counting width again with the remainder of the ASCII bytes.
                    List <int> content = new List <int>(codes).GetRange(lastEndOfRowByte, rowLength);
                    if (content[content.Count - 1] == DaggerfallFont.SpaceCode)
                    {
                        content.RemoveAt(content.Count - 1);
                    }
                    int[] trimmed = content.ToArray();

                    rows.Add(trimmed);
                    rowWidth.Add(width);

                    // update greatest width found so far
                    if (greatestWidthFound < width)
                    {
                        greatestWidthFound = width;
                    }

                    // reset width for next line
                    width = 0;

                    lastEndOfRowByte = i + 1; // position after space for next line, note: i will be increased on next loop iteration anyway - so no need to increase i
                }
            }

            if (lastEndOfRowByte > 0)
            {
                codes = new List <int>(codes).GetRange(lastEndOfRowByte, codes.Length - lastEndOfRowByte).ToArray();
            }

            // also get width of last line
            width = 0;
            for (int i = 0; i < codes.Length; i++)
            {
                float glyphWidth = font.GetGlyphWidth(codes[i], LocalScale, spacing);
                width += glyphWidth;
            }

            // update greatest width found so far
            if (width <= maxWidth && greatestWidthFound < width) // width should always be <= maxWidth here
            {
                greatestWidthFound = width;
            }

            rows.Add(codes);
            rowWidth.Add(width);

            // Create virtual layout area
            totalWidth   = maxWidth;
            totalHeight  = (int)(rows.Count * font.GlyphHeight);
            numTextLines = rows.Count;

            //
            // Stage 2 - Add glyphs to layout
            //

            // Second pass adds glyphs to label texture
            float xpos = 0;
            float ypos = totalHeight - font.GlyphHeight;

            //foreach (byte[] row in rows)
            for (int r = 0; r < rows.Count; r++)
            {
                int[] row = rows[r];
                float alignmentOffset;
                switch (horizontalTextAlignment)
                {
                default:
                case HorizontalTextAlignmentSetting.None:
                case HorizontalTextAlignmentSetting.Left:
                case HorizontalTextAlignmentSetting.Justify:
                    alignmentOffset = 0.0f;
                    break;

                case HorizontalTextAlignmentSetting.Center:
                    alignmentOffset = (totalWidth - rowWidth[r]) * 0.5f;
                    break;

                case HorizontalTextAlignmentSetting.Right:
                    alignmentOffset = totalWidth - rowWidth[r];
                    break;
                }

                int   numSpaces = 0;              // needed to compute extra offset between words for HorizontalTextAlignmentSetting.Justify
                float extraSpaceToDistribute = 0; // needed to compute extra offset between words for HorizontalTextAlignmentSetting.Justify
                if (horizontalTextAlignment == HorizontalTextAlignmentSetting.Justify)
                {
                    for (int i = 0; i < row.Length; i++)
                    {
                        if (row[i] == DaggerfallFont.SpaceCode)
                        {
                            numSpaces++;
                        }
                    }

                    extraSpaceToDistribute = maxWidth - rowWidth[r];
                }

                xpos = (int)alignmentOffset;
                for (int i = 0; i < row.Length; i++)
                {
                    float glyphWidth = font.GetGlyphWidth(row[i], LocalScale);
                    if (xpos + glyphWidth > totalWidth)
                    {
                        break;
                    }

                    if (row[i] == DaggerfallFont.SpaceCode)
                    {
                        if (numSpaces > 1)
                        {
                            int currentPortionExtraSpaceToDistribute = (int)Mathf.Round((float)extraSpaceToDistribute / (float)numSpaces);
                            xpos += currentPortionExtraSpaceToDistribute;
                            extraSpaceToDistribute -= currentPortionExtraSpaceToDistribute;
                            numSpaces--;
                        }
                        else if (numSpaces == 1)
                        {
                            xpos += extraSpaceToDistribute;
                        }
                    }

                    GlyphLayoutData glyphPos = new GlyphLayoutData()
                    {
                        x     = xpos,
                        y     = totalHeight - font.GlyphHeight - ypos,
                        code  = row[i],
                        width = glyphWidth,
                    };

                    glyphLayout.Add(glyphPos);
                    xpos += glyphWidth + font.GlyphSpacing;
                }
                ypos -= font.GlyphHeight;
            }

            Size = new Vector2(totalWidth * textScale, totalHeight * textScale);
        }
Пример #2
0
        void CreateNewLabelLayoutSingleLine()
        {
            //
            // Stage 1 - Encode glyphs and calculate final dimensions
            //

            // Start a new layout
            glyphLayout.Clear();

            // Set a local maxWidth that compensates for textScale
            int maxWidth = (int)(this.maxWidth / textScale);

            // First pass calculates final dimensions
            float width   = 0;
            float spacing = font.GlyphSpacing;

            int[] codes = GetCodes(startCharacterIndex);
            for (int i = 0; i < codes.Length; i++)
            {
                width += font.GetGlyphWidth(codes[i], LocalScale, spacing);
            }

            // Trim width
            if (maxWidth > 0 && width > maxWidth)
            {
                width = maxWidth;
            }

            // Create virtual layout area
            totalWidth   = width;
            totalHeight  = font.GlyphHeight;
            numTextLines = 1;

            //
            // Stage 2 - Add glyphs to layout
            //

            // Determine horizontal alignment offset
            float alignmentOffset;

            switch (horizontalTextAlignment)
            {
            default:
            case HorizontalTextAlignmentSetting.None:
            case HorizontalTextAlignmentSetting.Left:
            case HorizontalTextAlignmentSetting.Justify:
                alignmentOffset = 0.0f;
                break;

            case HorizontalTextAlignmentSetting.Center:
                alignmentOffset = (totalWidth - width) * 0.5f;
                break;

            case HorizontalTextAlignmentSetting.Right:
                alignmentOffset = totalWidth - width;
                break;
            }

            // Second pass adds glyphs to layout
            float xpos = (int)alignmentOffset;

            for (int i = 0; i < codes.Length; i++)
            {
                float glyphWidth = font.GetGlyphWidth(codes[i], LocalScale);
                if (xpos + glyphWidth >= totalWidth)
                {
                    break;
                }

                GlyphLayoutData glyphPos = new GlyphLayoutData()
                {
                    x     = xpos,
                    y     = 0,
                    code  = codes[i],
                    width = glyphWidth,
                };

                glyphLayout.Add(glyphPos);
                xpos += glyphWidth + spacing;
            }

            Size = new Vector2(totalWidth * textScale, totalHeight * textScale);
        }
Пример #3
0
        void CreateNewLabelLayoutSingleLine()
        {
            //
            // Stage 1 - Encode glyphs and calculate final dimensions
            //

            // Use default UI font if none set
            if (font == null)
            {
                font = DaggerfallUI.DefaultFont;
            }

            // Start a new layout
            labelLayout = new LabelLayoutData();
            List <GlyphLayoutData> glyphLayout = new List <GlyphLayoutData>();

            // Set a local maxWidth that compensates for textScale
            int maxWidth = (int)(this.maxWidth / textScale);

            // First pass encodes ASCII and calculates final dimensions
            int width = 0;

            asciiBytes = Encoding.Convert(Encoding.UTF8, Encoding.GetEncoding("ISO-8859-1"), Encoding.Default.GetBytes(text));
            for (int i = startCharacterIndex; i < asciiBytes.Length; i++)
            {
                // Invalid ASCII bytes are cast to a space character
                if (!font.HasGlyph(asciiBytes[i]))
                {
                    asciiBytes[i] = DaggerfallFont.SpaceASCII;
                }

                // Calculate total width
                DaggerfallFont.GlyphInfo glyph = font.GetGlyph(asciiBytes[i]);
                width += glyph.width + font.GlyphSpacing;
            }

            // Trim width
            if (maxWidth > 0 && width > maxWidth)
            {
                width = maxWidth;
            }

            // Create virtual layout area
            totalWidth         = width;
            totalHeight        = (int)(font.GlyphHeight);
            numTextLines       = 1;
            labelLayout.width  = totalWidth;
            labelLayout.height = totalHeight;

            //
            // Stage 2 - Add glyph to layout
            //

            // Determine horizontal alignment offset
            float alignmentOffset;

            switch (horizontalTextAlignment)
            {
            default:
            case HorizontalTextAlignmentSetting.None:
            case HorizontalTextAlignmentSetting.Left:
            case HorizontalTextAlignmentSetting.Justify:
                alignmentOffset = 0.0f;
                break;

            case HorizontalTextAlignmentSetting.Center:
                alignmentOffset = (totalWidth - width) * 0.5f;
                break;

            case HorizontalTextAlignmentSetting.Right:
                alignmentOffset = totalWidth - width;
                break;
            }

            // Second pass adds glyphs to layout
            int xpos = (int)alignmentOffset;

            for (int i = startCharacterIndex; i < asciiBytes.Length; i++)
            {
                DaggerfallFont.GlyphInfo glyph = font.GetGlyph(asciiBytes[i]);
                if (xpos + glyph.width >= totalWidth)
                {
                    break;
                }

                GlyphLayoutData glyphPos = new GlyphLayoutData()
                {
                    x             = xpos,
                    y             = 0,
                    glyphRawAscii = asciiBytes[i],
                    glyphWidth    = glyph.width,
                };

                glyphLayout.Add(glyphPos);
                xpos += glyph.width + font.GlyphSpacing;
            }

            labelLayout.glyphLayout = glyphLayout.ToArray();
            this.Size = new Vector2(totalWidth * textScale, totalHeight * textScale);
        }