public Driver()
{
Functions.Init();
FT_Library lib = default;
unsafe
{
FT_Init_FreeType(&lib);
}
this.library = lib;
}
// *
// Run image manipulation
// \return Pointer to image buffer which has been set in the constructor.
//
public override TextureBuffer process()
{
FT_Library ftlib = new FT_Library();
FT_Face face = new FT_Face();
FT_GlyphSlot slot = new FT_GlyphSlot();
FT_Error error = FT_Init_FreeType(ftlib);
if (error == 0)
{
error = FT_New_Face(ftlib, getFontFileByName().c_str(), 0, face);
if (error == FT_Err_Unknown_File_Format)
Utils.log("FreeType ERROR: FT_Err_Unknown_File_Format");
else if (error != null)
Utils.log("FreeType ERROR: FT_New_Face - " + StringConverter.toString(error));
else
{
FT_Set_Pixel_Sizes(face, 0, mFontSize);
int px = (int)mX;
int py = (int)mY;
slot = face.glyph;
for (int n = 0; n < mText.length(); n++)
{
error = FT_Load_Char(face, mText[n], FT_LOAD_RENDER);
if (error != null)
continue;
for (int i = 0; i < (int)slot.bitmap.width; i++)
{
for (int j = 0; j < (int)slot.bitmap.rows; j++)
{
if (slot.bitmap.buffer[j * slot.bitmap.width + i] > 127)
mBuffer.setPixel(px + i, py + j, mColour);
}
}
px += slot.advance.x >> 6;
py += slot.advance.y >> 6;
}
FT_Done_Face(face);
Utils.log("Modify texture with text processing : " + mText);
}
FT_Done_FreeType(ftlib);
}
else
Utils.log("FreeType ERROR: FT_Init_FreeType");
return mBuffer;
}
public static bool Init(out FT_Library lib, out int err)
{
lib = new FT_Library(__InitFreeType(out err));
return(err == 0);
}
// *
// * Build a MultiShape from chars (one Shape per character)
// * \exception Ogre::InternalErrorException Freetype error
// * \todo Need to split shapes of multi region chars. For example the letter \c O
// * has two shapes, but they are connected to one shape.
//
public MultiShape realizeShapes()
{
MultiShape retVal = new MultiShape();
FT_Library ftlib = new FT_Library();
FT_Face face = new FT_Face();
FT_GlyphSlot slot = new FT_GlyphSlot();
FT_Error error = FT_Init_FreeType(ftlib);
if (error == 0)
{
error = FT_New_Face(ftlib, getFontFileByName().c_str(), 0, face);
if (error == FT_Err_Unknown_File_Format)
{
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __LINE__ macro:
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __FILE__ macro:
throw ExceptionFactory.create(Mogre.ExceptionCodeType <Mogre.Exception.ExceptionCodes.ERR_INTERNAL_ERROR>(), "FreeType ERROR: FT_Err_Unknown_File_Format", "Procedural::TextShape::realizeShapes()", __FILE__, __LINE__);
;
}
else if (error != null)
{
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __LINE__ macro:
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __FILE__ macro:
throw ExceptionFactory.create(Mogre.ExceptionCodeType <Mogre.Exception.ExceptionCodes.ERR_INTERNAL_ERROR>(), "FreeType ERROR: FT_New_Face - " + StringConverter.toString(error), "Procedural::TextShape::realizeShapes()", __FILE__, __LINE__);
;
}
else
{
FT_Set_Pixel_Sizes(face, 0, mFontSize);
int px = 0;
int py = 0;
slot = face.glyph;
for (int n = 0; n < mText.length(); n++)
{
error = FT_Load_Char(face, mText[n], FT_LOAD_NO_BITMAP);
if (error != null)
{
continue;
}
Shape s = new Shape();
int nContours = face.glyph.outline.n_contours;
int startPos = 0;
string tags = face.glyph.outline.tags;
FT_Vector[] vec = face.glyph.outline.points;
for (int k = 0; k < nContours; k++)
{
if (k > 0)
{
startPos = face.glyph.outline.contours[k - 1] + 1;
}
int endPos = face.glyph.outline.contours[k] + 1;
Vector2 lastPoint = Vector2.ZERO;
for (int j = startPos; j < endPos; j++)
{
if (FT_CURVE_TAG(tags[j]) == FT_CURVE_TAG_ON)
{
lastPoint = Vector2((float)vec[j].x, (float)vec[j].y);
s.addPoint(lastPoint / 64.0f);
}
else
{
if (FT_CURVE_TAG(tags[j]) == FT_CURVE_TAG_CUBIC)
{
int prevPoint = j - 1;
if (j == 0)
{
prevPoint = endPos - 1;
}
int nextIndex = j + 1;
if (nextIndex >= endPos)
{
nextIndex = startPos;
}
Vector2[] nextPoint = new Vector2[nextIndex]((float)vec.x, (float)vec[nextIndex].y);
if ((FT_CURVE_TAG(tags[prevPoint]) != FT_CURVE_TAG_ON) && (FT_CURVE_TAG(tags[prevPoint]) == FT_CURVE_TAG_CUBIC))
{
BezierCurve2 bc = new BezierCurve2();
bc.addPoint(Vector2((float)vec[prevPoint].x, (float)vec[prevPoint].y) / 64.0f);
bc.addPoint(Vector2((float)vec[j].x, (float)vec[j].y) / 64.0f);
bc.addPoint(Vector2((float)vec[nextIndex].x, (float)vec[nextIndex].y) / 64.0f);
s.appendShape(bc.realizeShape());
}
}
else
{
Vector2[] conicPoint = new Vector2[j]((float)vec.x, (float)vec[j].y);
if (j == startPos)
{
if ((FT_CURVE_TAG(tags[endPos - 1]) != FT_CURVE_TAG_ON) && (FT_CURVE_TAG(tags[endPos - 1]) != FT_CURVE_TAG_CUBIC))
{
Vector2[] lastConnic = new Vector2[endPos - 1]((float)vec.x, (float)vec[endPos - 1].y);
lastPoint = (conicPoint + lastConnic) / 2;
}
}
int nextIndex = j + 1;
if (nextIndex >= endPos)
{
nextIndex = startPos;
}
Vector2[] nextPoint = new Vector2[nextIndex]((float)vec.x, (float)vec[nextIndex].y);
bool nextIsConnic = (FT_CURVE_TAG(tags[nextIndex]) != FT_CURVE_TAG_ON) && (FT_CURVE_TAG(tags[nextIndex]) != FT_CURVE_TAG_CUBIC);
if (nextIsConnic)
{
nextPoint = (conicPoint + nextPoint) / 2;
}
int pc = s.getPointCount();
BezierCurve2 bc = new BezierCurve2();
if (pc == 0)
{
bc.addPoint(Vector2.ZERO);
}
else
{
bc.addPoint(s.getPoint(pc - 1));
}
bc.addPoint(lastPoint / 64.0f);
bc.addPoint(conicPoint / 64.0f);
bc.addPoint(nextPoint / 64.0f);
if (pc == 0)
{
s.appendShape(bc.realizeShape());
}
else
{
List <Vector2> subShape = bc.realizeShape().getPoints();
for (List <Vector2> .Enumerator iter = subShape.GetEnumerator(); iter.MoveNext(); iter++)
{
if (iter != subShape.GetEnumerator())
{
s.addPoint(iter.Current);
}
}
}
if (nextIsConnic)
{
//
//ORIGINAL LINE: lastPoint = nextPoint;
lastPoint = (nextPoint);
}
}
}
}
}
s.close();
s.translate((float)px, (float)py);
retVal.addShape(s);
px += slot.advance.x >> 6;
py += slot.advance.y >> 6;
}
FT_Done_Face(face);
}
FT_Done_FreeType(ftlib);
}
else
{
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __LINE__ macro:
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __FILE__ macro:
throw ExceptionFactory.create(Mogre.ExceptionCodeType <Mogre.Exception.ExceptionCodes.ERR_INTERNAL_ERROR>(), "FreeType ERROR: FT_Init_FreeTyp", "Procedural::TextShape::realizeShapes()", __FILE__, __LINE__);
;
}
return(retVal);
}
// *
// * Build a MultiShape from chars (one Shape per character)
// * \exception Ogre::InternalErrorException Freetype error
// * \todo Need to split shapes of multi region chars. For example the letter \c O
// * has two shapes, but they are connected to one shape.
//
public MultiShape realizeShapes()
{
MultiShape retVal = new MultiShape();
FT_Library ftlib = new FT_Library();
FT_Face face = new FT_Face();
FT_GlyphSlot slot = new FT_GlyphSlot();
FT_Error error = FT_Init_FreeType(ftlib);
if (error == 0)
{
error = FT_New_Face(ftlib, getFontFileByName().c_str(), 0, face);
if (error == FT_Err_Unknown_File_Format)
{
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __LINE__ macro:
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __FILE__ macro:
throw ExceptionFactory.create(Mogre.ExceptionCodeType<Mogre.Exception.ExceptionCodes.ERR_INTERNAL_ERROR>(), "FreeType ERROR: FT_Err_Unknown_File_Format", "Procedural::TextShape::realizeShapes()", __FILE__, __LINE__);
;
}
else if (error != null)
{
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __LINE__ macro:
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __FILE__ macro:
throw ExceptionFactory.create(Mogre.ExceptionCodeType<Mogre.Exception.ExceptionCodes.ERR_INTERNAL_ERROR>(), "FreeType ERROR: FT_New_Face - " + StringConverter.toString(error), "Procedural::TextShape::realizeShapes()", __FILE__, __LINE__);
;
}
else
{
FT_Set_Pixel_Sizes(face, 0, mFontSize);
int px = 0;
int py = 0;
slot = face.glyph;
for (int n = 0; n < mText.length(); n++)
{
error = FT_Load_Char(face, mText[n], FT_LOAD_NO_BITMAP);
if (error != null)
continue;
Shape s = new Shape();
int nContours = face.glyph.outline.n_contours;
int startPos = 0;
string tags = face.glyph.outline.tags;
FT_Vector[] vec = face.glyph.outline.points;
for (int k = 0; k < nContours; k++)
{
if (k > 0)
startPos = face.glyph.outline.contours[k-1]+1;
int endPos = face.glyph.outline.contours[k]+1;
Vector2 lastPoint = Vector2.ZERO;
for (int j = startPos; j < endPos; j++)
{
if (FT_CURVE_TAG(tags[j]) == FT_CURVE_TAG_ON)
{
lastPoint = Vector2((float)vec[j].x, (float)vec[j].y);
s.addPoint(lastPoint / 64.0f);
}
else
{
if (FT_CURVE_TAG(tags[j]) == FT_CURVE_TAG_CUBIC)
{
int prevPoint = j - 1;
if (j == 0)
prevPoint = endPos - 1;
int nextIndex = j + 1;
if (nextIndex >= endPos)
nextIndex = startPos;
Vector2[] nextPoint = new Vector2[nextIndex]((float)vec.x, (float)vec[nextIndex].y);
if ((FT_CURVE_TAG(tags[prevPoint]) != FT_CURVE_TAG_ON) && (FT_CURVE_TAG(tags[prevPoint]) == FT_CURVE_TAG_CUBIC))
{
BezierCurve2 bc = new BezierCurve2();
bc.addPoint(Vector2((float)vec[prevPoint].x, (float)vec[prevPoint].y) / 64.0f);
bc.addPoint(Vector2((float)vec[j].x, (float)vec[j].y) / 64.0f);
bc.addPoint(Vector2((float)vec[nextIndex].x, (float)vec[nextIndex].y) / 64.0f);
s.appendShape(bc.realizeShape());
}
}
else
{
Vector2[] conicPoint = new Vector2[j]((float)vec.x, (float)vec[j].y);
if (j == startPos)
{
if ((FT_CURVE_TAG(tags[endPos-1]) != FT_CURVE_TAG_ON) && (FT_CURVE_TAG(tags[endPos-1]) != FT_CURVE_TAG_CUBIC))
{
Vector2[] lastConnic = new Vector2[endPos - 1]((float)vec.x, (float)vec[endPos - 1].y);
lastPoint = (conicPoint + lastConnic) / 2;
}
}
int nextIndex = j + 1;
if (nextIndex >= endPos)
nextIndex = startPos;
Vector2[] nextPoint = new Vector2[nextIndex]((float)vec.x, (float)vec[nextIndex].y);
bool nextIsConnic = (FT_CURVE_TAG(tags[nextIndex]) != FT_CURVE_TAG_ON) && (FT_CURVE_TAG(tags[nextIndex]) != FT_CURVE_TAG_CUBIC);
if (nextIsConnic)
nextPoint = (conicPoint + nextPoint) / 2;
int pc = s.getPointCount();
BezierCurve2 bc = new BezierCurve2();
if (pc == 0)
bc.addPoint(Vector2.ZERO);
else
bc.addPoint(s.getPoint(pc - 1));
bc.addPoint(lastPoint / 64.0f);
bc.addPoint(conicPoint / 64.0f);
bc.addPoint(nextPoint / 64.0f);
if (pc == 0)
s.appendShape(bc.realizeShape());
else
{
List<Vector2> subShape = bc.realizeShape().getPoints();
for (List<Vector2>.Enumerator iter = subShape.GetEnumerator(); iter.MoveNext(); iter++)
{
if (iter != subShape.GetEnumerator())
s.addPoint(iter.Current);
}
}
if (nextIsConnic)
//
//ORIGINAL LINE: lastPoint = nextPoint;
lastPoint=(nextPoint);
}
}
}
}
s.close();
s.translate((float)px, (float)py);
retVal.addShape(s);
px += slot.advance.x >> 6;
py += slot.advance.y >> 6;
}
FT_Done_Face(face);
}
FT_Done_FreeType(ftlib);
}
else
{
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __LINE__ macro:
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent in C# to the C++ __FILE__ macro:
throw ExceptionFactory.create(Mogre.ExceptionCodeType<Mogre.Exception.ExceptionCodes.ERR_INTERNAL_ERROR>(), "FreeType ERROR: FT_Init_FreeTyp", "Procedural::TextShape::realizeShapes()", __FILE__, __LINE__);
;
}
return retVal;
}