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Diffstat (limited to 'extern/bFTGL/include/FTSize.h')
-rwxr-xr-x | extern/bFTGL/include/FTSize.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/extern/bFTGL/include/FTSize.h b/extern/bFTGL/include/FTSize.h new file mode 100755 index 00000000000..31f6bb66db1 --- /dev/null +++ b/extern/bFTGL/include/FTSize.h @@ -0,0 +1,132 @@ +#ifndef __FTSize__ +#define __FTSize__ + + +#include <ft2build.h> +#include FT_FREETYPE_H + +#include "FTGL.h" + + + +/** + * FTSize class provides an abstraction layer for the Freetype Size. + * + * @see "Freetype 2 Documentation" + * + */ +class FTGL_EXPORT FTSize +{ + public: + /** + * Default Constructor + */ + FTSize(); + + /** + * Destructor + */ + virtual ~FTSize(); + + /** + * Sets the char size for the current face. + * + * This doesn't guarantee that the size was set correctly. Clients + * should check errors. + * + * @param face Parent face for this size object + * @param point_size the face size in points (1/72 inch) + * @param x_resolution the horizontal resolution of the target device. + * @param y_resolution the vertical resolution of the target device. + * @return <code>true</code> if the size has been set. Clients should check Error() for more information if this function returns false() + */ + bool CharSize( FT_Face* face, unsigned int point_size, unsigned int x_resolution, unsigned int y_resolution); + + /** + * get the char size for the current face. + * + * @return The char size in points + */ + unsigned int CharSize() const; + + /** + * Gets the global ascender height for the face in pixels. + * + * @return Ascender height + */ + float Ascender() const; + + /** + * Gets the global descender height for the face in pixels. + * + * @return Ascender height + */ + float Descender() const; + + /** + * Gets the global face height for the face. + * + * If the face is scalable this returns the height of the global + * bounding box which ensures that any glyph will be less than or + * equal to this height. If the font isn't scalable there is no + * guarantee that glyphs will not be taller than this value. + * + * @return height in pixels. + */ + float Height() const; + + /** + * Gets the global face width for the face. + * + * If the face is scalable this returns the width of the global + * bounding box which ensures that any glyph will be less than or + * equal to this width. If the font isn't scalable this value is + * the max_advance for the face. + * + * @return width in pixels. + */ + float Width() const; + + /** + * Gets the underline position for the face. + * + * @return underline position in pixels + */ + float Underline() const; + + unsigned int XPixelsPerEm() const; + + unsigned int YPixelsPerEm() const; + + /** + * Queries for errors. + * + * @return The current error code. + */ + FT_Error Error() const { return err; } + + private: + /** + * The current Freetype face that this FTSize object relates to. + */ + FT_Face* ftFace; + + /** + * The Freetype size. + */ + FT_Size ftSize; + + /** + * The size in points. + */ + unsigned int size; + + /** + * Current error code. Zero means no error. + */ + FT_Error err; + +}; + +#endif // __FTSize__ + |