Ejemplo n.º 1
0
        private WriteBuffer CloseTag()
        {
            if (this.writers.Count <= 1)
            {
                throw new SWFModellerException(
                          SWFModellerError.Internal,
                          "Call to CloseTag when no tag was open.");
            }

            WriteBuffer tagWriter = this.writers.Peek();

            tagWriter.Align8();
            byte[] tagData = tagWriter.Data;
            int    tagCode = (int)tagWriter.Tag;

#if DEBUG
            this.LogMessage("Body length of " + tagWriter.Tag.ToString() + " " + tagData.Length + " bytes on " + tagWriter.LogData, true);
#endif
            this.writers.Pop();

            tagWriter = this.writers.Peek();
            tagWriter.Align8();

            if (tagData.Length >= 63)
            {
                /* Long record header */
                int hdr = (tagCode << 6) | 0x3f;
                tagWriter.WriteUI16((uint)hdr);
                tagWriter.WriteSI32(tagData.Length);
            }
            else
            {
                /* Short record header */
                int hdr = (tagCode << 6) | tagData.Length;
                tagWriter.WriteUI16((uint)hdr);
            }

            tagWriter.Write(tagData, 0, tagData.Length);

            return(tagWriter);
        }
Ejemplo n.º 2
0
        private void WriteFont(SWFFont font, int fid)
        {
            WriteBuffer fontTag = this.OpenTag(Tag.DefineFont3, font.Name + "; id=" + fid);

            char[] codes = font.CodePoints;

            /* Tag.DefineFont3 */
            {
                fontTag.WriteUI16((uint)fid);

                fontTag.WriteBit(font.HasLayout);

                fontTag.WriteBit(false); /* ISSUE 50: ShiftJIS support */
                fontTag.WriteBit(font.IsSmall);
                fontTag.WriteBit(false); /* ISSUE 51: ANSI support, though I think this might never be false. */

                fontTag.WriteBit(true);  /* ISSUE 52: We always write wide offsets. This is because we're too lazy to measure our table. */
                fontTag.WriteBit(true);  /* Spec says must be true. */

                fontTag.WriteBit(font.IsItalic);
                fontTag.WriteBit(font.IsBold);

                fontTag.WriteUI8((uint)font.LanguageCode);

                fontTag.WriteString(font.Name, true);

                fontTag.WriteUI16((uint)font.GlyphCount);

                byte[][] shapeData       = new byte[font.GlyphCount][];
                int      totalShapeBytes = 0;
                for (int i = 0; i < font.GlyphCount; i++)
                {
                    Tag format;
                    shapeData[i] = ShapeWriter.ShapeToBytes(font.GetGlyphShape(codes[i]), out format);

                    if (format != Tag.DefineFont3)
                    {
                        throw new SWFModellerException(SWFModellerError.Internal, "Can't write non-font shapes as glyphs");
                    }

                    totalShapeBytes += shapeData[i].Length;
                }

                int startOffset = font.GlyphCount * 4 + 4; /* 4 bytes per offset (wide offsets) + 4 for the code table offset */
                int nextOffset  = startOffset;
                foreach (byte[] shapeBytes in shapeData)
                {
                    fontTag.WriteUI32((uint)nextOffset);
                    nextOffset += shapeBytes.Length;
                }

                fontTag.WriteUI32((uint)(startOffset + totalShapeBytes));

                foreach (byte[] shapeBytes in shapeData)
                {
                    fontTag.WriteBytes(shapeBytes);
                }

                foreach (char code in codes)
                {
                    fontTag.WriteUI16((uint)code);
                }

                if (font.HasLayout)
                {
                    fontTag.WriteSI16(font.Ascent.Value);
                    fontTag.WriteSI16(font.Descent.Value);
                    fontTag.WriteSI16(font.Leading.Value);

                    Rect[] bounds    = new Rect[font.GlyphCount];
                    int    boundsPos = 0;
                    foreach (char c in codes)
                    {
                        GlyphLayout gl = font.GetLayout(c);
                        fontTag.WriteSI16(gl.Advance);
                        bounds[boundsPos++] = gl.Bounds;
                    }

                    foreach (Rect bound in bounds)
                    {
                        fontTag.WriteRect(bound);
                        fontTag.Align8();
                    }

                    fontTag.WriteUI16((uint)font.KerningTable.Length);
                    foreach (KerningPair kern in font.KerningTable)
                    {
                        fontTag.WriteUI16(kern.LeftChar);
                        fontTag.WriteUI16(kern.RightChar);
                        fontTag.WriteSI16(kern.Adjustment);
                    }
                }
            }

            this.CloseTag();

            if (font.HasPixelAlignment)
            {
                WriteBuffer zonesTag = this.OpenTag(Tag.DefineFontAlignZones, font.Name + "; id=" + fid);

                zonesTag.WriteUI16((uint)fid);

                if (font.ThicknessHint == null)
                {
                    throw new SWFModellerException(SWFModellerError.Internal, "Can't have pixel aligmnent without a font thickness hint.");
                }

                zonesTag.WriteUBits((uint)font.ThicknessHint, 2);
                zonesTag.WriteUBits(0, 6); /* Reserved */

                foreach (char c in codes)
                {
                    PixelAlignment pa = font.GetPixelAligment(c);

                    if (pa.ZoneInfo.Length != 2)
                    {
                        throw new SWFModellerException(SWFModellerError.Internal, "Pixel aligment should always have 2 zones.");
                    }

                    zonesTag.WriteUI8((uint)pa.ZoneInfo.Length);

                    foreach (PixelAlignment.ZoneData zi in pa.ZoneInfo)
                    {
                        /* These int values are just unparsed 16-bit floats. */
                        zonesTag.WriteUI16((uint)zi.AlignmentCoord);
                        zonesTag.WriteUI16((uint)zi.Range);
                    }

                    zonesTag.WriteUBits(0, 6); /* Reserved */
                    zonesTag.WriteBit(pa.HasY);
                    zonesTag.WriteBit(pa.HasX);
                }

                this.CloseTag();
            }

            if (font.HasExtraNameInfo)
            {
                WriteBuffer nameTag = this.OpenTag(Tag.DefineFontName, font.FullName + "; id=" + fid);

                nameTag.WriteUI16((uint)fid);
                nameTag.WriteString(font.FullName);
                nameTag.WriteString(font.Copyright);

                this.CloseTag();
            }
        }
Ejemplo n.º 3
0
        /// <param name="fontID">Pass -1 if this has no font.</param>
        private void WriteEditText(EditText text, int fontID)
        {
            int cid = characterMarshal.GetIDFor(text);

            WriteBuffer textTag = this.OpenTag(Tag.DefineEditText, "; id=" + cid);

            /* Tag.DefineEditText */
            {
                textTag.WriteUI16((uint)cid);

                textTag.WriteRect(text.Bounds);
                textTag.Align8();

                textTag.WriteBit(text.HasText);
                textTag.WriteBit(text.WordWrapEnabled);
                textTag.WriteBit(text.IsMultiline);
                textTag.WriteBit(text.IsPassword);
                textTag.WriteBit(text.IsReadOnly);
                textTag.WriteBit(text.HasTextColor);
                textTag.WriteBit(text.HasMaxLength);
                textTag.WriteBit(text.HasFont);
                textTag.WriteBit(text.HasFontClass);
                textTag.WriteBit(text.IsAutoSized);
                textTag.WriteBit(text.HasLayout);
                textTag.WriteBit(text.IsNonSelectable);
                textTag.WriteBit(text.HasBorder);
                textTag.WriteBit(text.IsStatic);
                textTag.WriteBit(text.IsHTML);
                textTag.WriteBit(text.UseOutlines);

                if (text.HasFont)
                {
                    textTag.WriteUI16((uint)fontID);
                }

                if (text.HasFontClass)
                {
                    /* ISSUE 14 */
                    throw new SWFModellerException(SWFModellerError.UnimplementedFeature, "Font classes can't be written.");
                }

                if (text.HasFont)
                {
                    textTag.WriteUI16((uint)text.FontHeight);
                }

                if (text.HasTextColor)
                {
                    textTag.WriteRGBA(text.Color.ToArgb());
                }

                if (text.HasMaxLength)
                {
                    textTag.WriteUI16((uint)text.MaxLength.Value);
                }

                if (text.HasLayout)
                {
                    EditText.Layout layout = text.LayoutInfo;

                    textTag.WriteUI8((uint)layout.Align);
                    textTag.WriteUI16((uint)layout.LeftMargin);
                    textTag.WriteUI16((uint)layout.RightMargin);
                    textTag.WriteUI16((uint)layout.Indent);
                    textTag.WriteSI16(layout.Leading);
                }

                textTag.WriteString(text.VarName);

                if (text.HasText)
                {
                    textTag.WriteString(text.Text);
                }
            }

            CloseTag();
        }
Ejemplo n.º 4
0
        private void WriteStaticText(StaticText text)
        {
            int cid = characterMarshal.GetIDFor(text);

            bool hasAlpha = text.HasAlpha;

            WriteBuffer textTag = this.OpenTag(hasAlpha ? Tag.DefineText2 : Tag.DefineText, "; id=" + cid);

            /* Tag.DefineText(2) */
            {
                textTag.WriteUI16((uint)cid);

                textTag.WriteRect(text.Bounds);
                textTag.Align8();

                textTag.WriteMatrix(text.Position);
                textTag.Align8();

                /* ISSUE 49: We're lazy here. We max out the bits for text and advances coz we can't
                 * yet calculate them. Fix this attrocity. */

                int glyphBits   = 16;
                int advanceBits = 16;

                textTag.WriteUI8((uint)glyphBits);
                textTag.WriteUI8((uint)advanceBits);

                foreach (TextRecord tr in text.Records)
                {
                    Dictionary <char, int> glyphIDX = null;

                    uint flags = 0x80;

                    if (tr.HasFont)
                    {
                        flags |= 0x08;
                    }

                    if (tr.HasColour)
                    {
                        flags |= 0x04;
                    }

                    if (tr.HasYOffset)
                    {
                        flags |= 0x02;
                    }

                    if (tr.HasXOffset)
                    {
                        flags |= 0x01;
                    }

                    textTag.WriteUI8(flags);

                    if (tr.HasFont)
                    {
                        textTag.WriteUI16((uint)this.characterMarshal.GetExistingIDFor(tr.Font));
                    }

                    if (tr.HasColour)
                    {
                        if (hasAlpha)
                        {
                            textTag.WriteRGBA(tr.Colour.ToArgb());
                        }
                        else
                        {
                            textTag.WriteRGB(tr.Colour.ToArgb());
                        }
                    }

                    if (tr.HasXOffset)
                    {
                        textTag.WriteSI16(tr.XOffset);
                    }

                    if (tr.HasYOffset)
                    {
                        textTag.WriteSI16(tr.YOffset);
                    }

                    if (tr.HasFont)
                    {
                        textTag.WriteUI16((uint)tr.FontHeight);

                        glyphIDX = tr.Font.IndexMap;
                    }

                    char[] chars = tr.Text.ToCharArray();
                    if (chars.Length > 255)
                    {
                        throw new SWFModellerException(SWFModellerError.Internal, "String too long. This should be split across text records.");
                    }

                    textTag.WriteUI8((uint)chars.Length);
                    for (int i = 0; i < tr.Advances.Length; i++)
                    {
                        textTag.WriteUBits((uint)glyphIDX[chars[i]], glyphBits);
                        textTag.WriteSBits(tr.Advances[i], advanceBits);
                    }

                    textTag.Align8();
                }

                textTag.WriteUI8(0); /* End record */
            } /* End of tag code. */

            this.CloseTag();
        }