/// <summary>
/// Apply a simple 2x2 matrix to all of an outline's points. Useful for applying rotations, slanting, flipping,
/// etc.
/// </summary>
/// <remarks>
/// You can use <see cref="Translate"/> if you need to translate the outline's points.
/// </remarks>
/// <param name="matrix">A pointer to the transformation matrix.</param>
public void Transform(FTMatrix matrix)
{
if (disposed)
{
throw new ObjectDisposedException("Outline", "Cannot access a disposed object.");
}
FT.FT_Outline_Transform(reference, ref matrix);
}
/// <summary>
/// Transform a glyph image if its format is scalable.
/// </summary>
/// <param name="matrix">A pointer to a 2x2 matrix to apply.</param>
/// <param name="delta">
/// A pointer to a 2d vector to apply. Coordinates are expressed in 1/64th of a pixel.
/// </param>
public void Transform(FTMatrix matrix, FTVector delta)
{
Error err = FT.FT_Glyph_Transform(Reference, ref matrix, ref delta);
if (err != Error.Ok)
{
throw new FreeTypeException(err);
}
}
/// <summary>
/// Transform a glyph image if its format is scalable.
/// </summary>
/// <param name="matrix">A pointer to a 2x2 matrix to apply.</param>
/// <param name="delta">
/// A pointer to a 2d vector to apply. Coordinates are expressed in 1/64th of a pixel.
/// </param>
public void Transform(FTMatrix matrix, FTVector delta)
{
if (disposed)
{
throw new ObjectDisposedException("Glyph", "Cannot access a disposed object.");
}
Error err = FT.FT_Glyph_Transform(Reference, ref matrix, ref delta);
if (err != Error.Ok)
{
throw new FreeTypeException(err);
}
}
/// <summary>
/// Transform a single vector through a 2x2 matrix.
/// </summary>
/// <remarks>
/// The result is undefined if either ‘vector’ or ‘matrix’ is invalid.
/// </remarks>
/// <param name="matrix">A pointer to the source 2x2 matrix.</param>
public void Transform(FTMatrix matrix)
{
FT.FT_Vector_Transform(ref this, ref matrix);
}
/// <summary>
/// Transform a glyph image if its format is scalable.
/// </summary>
/// <param name="matrix">A pointer to a 2x2 matrix to apply.</param>
/// <param name="delta">
/// A pointer to a 2d vector to apply. Coordinates are expressed in 1/64th of a pixel.
/// </param>
public void Transform(FTMatrix matrix, FTVector delta)
{
if (disposed)
throw new ObjectDisposedException("Glyph", "Cannot access a disposed object.");
Error err = FT.FT_Glyph_Transform(Reference, ref matrix, ref delta);
if (err != Error.Ok)
throw new FreeTypeException(err);
}
public void GetSubGlyphInfo(uint subIndex, out int index, out SubGlyphFlags flags, out int arg1, out int arg2, out FTMatrix transform)
{
Error err = FT.FT_Get_SubGlyph_Info(Reference, subIndex, out index, out flags, out arg1, out arg2, out transform);
if (err != Error.Ok)
{
throw new FreeTypeException(err);
}
}
internal static extern void FT_Set_Transform(IntPtr face, ref FTMatrix matrix, ref FTVector delta);
internal static extern void FT_Matrix_Multiply(ref FTMatrix a, ref FTMatrix b);
internal static extern void FT_Outline_Transform(IntPtr outline, ref FTMatrix matrix);
internal static extern Error FT_Glyph_Transform(IntPtr glyph, ref FTMatrix matrix, ref FTVector delta);
internal static extern Error FT_Glyph_Transform(IntPtr glyph, ref FTMatrix matrix, ref FTVector delta);
public void GetSubGlyphInfo(uint subIndex, out int index, out SubGlyphFlags flags, out int arg1, out int arg2, out FTMatrix transform)
{
Error err = FT.FT_Get_SubGlyph_Info(Reference, subIndex, out index, out flags, out arg1, out arg2, out transform);
if (err != Error.Ok)
throw new FreeTypeException(err);
}
internal static extern Error FT_Get_SubGlyph_Info(IntPtr glyph, uint sub_index, out int p_index, out SubGlyphFlags p_flags, out int p_arg1, out int p_arg2, out FTMatrix p_transform);
/// <summary>
/// Transform a single vector through a 2x2 matrix.
/// </summary>
/// <remarks>
/// The result is undefined if either ‘vector’ or ‘matrix’ is invalid.
/// </remarks>
/// <param name="matrix">A pointer to the source 2x2 matrix.</param>
public void Transform(FTMatrix matrix)
{
FT.FT_Vector_Transform(ref this, ref matrix);
}
/// <summary> /// Apply a simple 2x2 matrix to all of an outline's points. Useful for applying rotations, slanting, flipping, /// etc. /// </summary> /// <remarks> /// You can use <see cref="Translate"/> if you need to translate the outline's points. /// </remarks> /// <param name="matrix">A pointer to the transformation matrix.</param> public void Transform(FTMatrix matrix) => FT.FT_Outline_Transform(Reference, ref matrix);
/// <summary>
/// Apply a simple 2x2 matrix to all of an outline's points. Useful for applying rotations, slanting, flipping,
/// etc.
/// </summary>
/// <remarks>
/// You can use <see cref="Translate"/> if you need to translate the outline's points.
/// </remarks>
/// <param name="matrix">A pointer to the transformation matrix.</param>
public void Transform(FTMatrix matrix)
{
if (disposed)
throw new ObjectDisposedException("Outline", "Cannot access a disposed object.");
FT.FT_Outline_Transform(reference, ref matrix);
}
public bool RastTest(int resX, int resY, int[] arrPointSizes,
float stretchX, float stretchY,
float rotation, float skew,
float[,] matrix,
bool setBW, bool setGrayscale, bool setCleartype, uint CTFlags,
RastTestErrorDelegate pRastTestErrorDelegate,
UpdateProgressDelegate pUpdateProgressDelegate,
int numGlyphs)
{
int count_sets = 0;
LoadFlags lf = LoadFlags.Default;
LoadTarget lt = LoadTarget.Normal;
if ( setBW )
{
lf = LoadFlags.Default|LoadFlags.NoAutohint|LoadFlags.Monochrome|LoadFlags.ComputeMetrics;
lt = LoadTarget.Mono;
_lib.PropertySet("truetype", "interpreter-version", 35);
count_sets++;
}
if ( setGrayscale )
{
lf = LoadFlags.Default|LoadFlags.NoAutohint|LoadFlags.ComputeMetrics;
lt = LoadTarget.Normal;
_lib.PropertySet("truetype", "interpreter-version", 35);
count_sets++;
}
if ( setCleartype )
{
lf = LoadFlags.Default|LoadFlags.NoAutohint|LoadFlags.ComputeMetrics;
lt = LoadTarget.Lcd;
_lib.PropertySet("truetype", "interpreter-version", 40);
count_sets++;
}
if ( count_sets != 1 )
throw new ArgumentOutOfRangeException("Only one of BW/Grayscale/Cleartype should be set");
try
{
TT_Diagnostics_Unset();
}
catch (Exception e)
{
throw new NotImplementedException("UnImplemented in this version of Freetype: " + FTVersion);
};
FTMatrix fmatrix = new FTMatrix(new Fixed16Dot16( matrix[0,0] * stretchX ), new Fixed16Dot16( matrix[0,1] * stretchX ),
new Fixed16Dot16( matrix[1,0] * stretchY ), new Fixed16Dot16( matrix[1,1] * stretchY ));
FTVector fdelta = new FTVector(new Fixed16Dot16( matrix[0,2] * stretchX ), new Fixed16Dot16( matrix[1,2] * stretchY ));
/* matrix[2,0] = matrix[2,1] = 0, matrix[2,2] =1, not used */
FTMatrix mskew = new FTMatrix(new Fixed16Dot16( 1 ), new Fixed16Dot16( 0 ),
(new Fixed16Dot16(skew)).Tan(), new Fixed16Dot16( 1 ));
FTMatrix.Multiply(ref mskew, ref fmatrix);
fdelta.Transform(mskew);
FTVector rot_row1 = new FTVector(new Fixed16Dot16( 1 ), new Fixed16Dot16( 0 ));
FTVector rot_row2 = new FTVector(new Fixed16Dot16( 1 ), new Fixed16Dot16( 0 ));
rot_row1.Rotate(new Fixed16Dot16(rotation));
rot_row2.Rotate(new Fixed16Dot16(rotation + 90));
FTMatrix mrot = new FTMatrix(rot_row1, rot_row2);
FTMatrix.Multiply(ref mrot, ref fmatrix);
fdelta.Rotate(new Fixed16Dot16(-rotation));
for (int i = 0; i < arrPointSizes.Length ; i++)
{
if ( m_UserCancelledTest ) return true;
pUpdateProgressDelegate("Processing Size " + arrPointSizes[i]);
_face.SetCharSize(new Fixed26Dot6(arrPointSizes[i]),
new Fixed26Dot6(arrPointSizes[i]),
(uint) resX, (uint) resY);
_face.SetTransform(fmatrix, fdelta);
for (uint ig = 0; ig < numGlyphs; ig++) {
diagnostics_Function diagnostics =
(message, opcode, range_base, is_composite, IP, callTop, opc, start) =>
{
string sDetails = "Size " + arrPointSizes[i] + ", " + opcode;
switch ( range_base )
{
case 3:
if (is_composite != 0)
sDetails += ", Composite Glyph ID " + ig;
else
sDetails += ", Glyph ID " + ig;
break;
case 1: /* font */
case 2: /* cvt */ // ?
sDetails += ", Pre-Program";
break;
default: /* none */
sDetails += ", Unknown?"; // ?
break;
}
sDetails += ", At ByteOffset " + IP;
if (callTop > 0)
sDetails += ", In function " + opc + " offsetted by " + (IP - start);
pRastTestErrorDelegate(message, sDetails);
m_RastErrorCount += 1;
return 0; // Not used currently.
};
TT_Diagnostics_Set(diagnostics);
_face.LoadGlyph(ig, lf, lt);
TT_Diagnostics_Unset();
}
}
return true;
}
internal static extern Error FT_Matrix_Invert(ref FTMatrix matrix);
internal static extern Error FT_Get_SubGlyph_Info(IntPtr glyph, uint sub_index, out int p_index, out SubGlyphFlags p_flags, out int p_arg1, out int p_arg2, out FTMatrix p_transform);
internal static extern void FT_Matrix_Multiply(ref FTMatrix a, ref FTMatrix b);
internal static extern void FT_Vector_Transform(ref FTVector vec, ref FTMatrix matrix);
internal static extern void FT_Outline_Transform(IntPtr outline, ref FTMatrix matrix);
internal static extern Error FT_Matrix_Invert(ref FTMatrix matrix);
/// <summary>
/// A function used to set the transformation that is applied to glyph images when they are loaded into a glyph
/// slot through <see cref="LoadGlyph"/>.
/// </summary>
/// <remarks><para>
/// The transformation is only applied to scalable image formats after the glyph has been loaded. It means that
/// hinting is unaltered by the transformation and is performed on the character size given in the last call to
/// <see cref="SetCharSize"/> or <see cref="SetPixelSizes"/>.
/// </para><para>
/// Note that this also transforms the ‘face.glyph.advance’ field, but not the values in ‘face.glyph.metrics’.
/// </para></remarks>
/// <param name="matrix">A pointer to the transformation's 2x2 matrix. Use 0 for the identity matrix.</param>
/// <param name="delta">A pointer to the translation vector. Use 0 for the null vector.</param>
public void SetTransform(FTMatrix matrix, FTVector delta)
{
if (disposed)
throw new ObjectDisposedException("face", "Cannot access a disposed object.");
FT.FT_Set_Transform(Reference, ref matrix, ref delta);
}
/// <summary>
/// A function used to set the transformation that is applied to glyph images when they are loaded into a glyph
/// slot through <see cref="LoadGlyph"/> with the null vector.
/// </summary>
/// <remarks><para>
/// The transformation is only applied to scalable image formats after the glyph has been loaded. It means that
/// hinting is unaltered by the transformation and is performed on the character size given in the last call to
/// <see cref="SetCharSize"/> or <see cref="SetPixelSizes"/>.
/// </para><para>
/// Note that this also transforms the ‘face.glyph.advance’ field, but not the values in ‘face.glyph.metrics’.
/// </para></remarks>
/// <param name="matrix">
/// A pointer to the transformation's 2x2 matrix. Use the method overloads for the identity matrix.
/// </param>
public unsafe void SetTransform(FTMatrix matrix)
{
if (disposed)
throw new ObjectDisposedException("face", "Cannot access a disposed object.");
FT.FT_Set_Transform(Reference, (IntPtr)(&matrix), IntPtr.Zero);
}
/// <summary>
/// Perform the matrix operation ‘b = a*b’.
/// </summary>
/// <remarks>
/// The result is undefined if either ‘a’ or ‘b’ is zero.
/// </remarks>
/// <param name="a">A pointer to matrix ‘a’.</param>
/// <param name="b">A pointer to matrix ‘b’.</param>
public static void Multiply(FTMatrix a, FTMatrix b)
{
FT.FT_Matrix_Multiply(ref a, ref b);
}
internal static extern void FT_Vector_Transform(ref FTVector vec, ref FTMatrix matrix);
/// <summary>
/// Perform the matrix operation ‘b = a*b’.
/// </summary>
/// <remarks>
/// The result is undefined if either ‘a’ or ‘b’ is zero.
/// </remarks>
/// <param name="b">A pointer to matrix ‘b’.</param>
public void Multiply(FTMatrix b)
{
FT.FT_Matrix_Multiply(ref this, ref b);
}
