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@ -1403,14 +1403,14 @@ FT_BEGIN_HEADER |
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/* */ |
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/* format :: This field indicates the format of the image */ |
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/* contained in the glyph slot. Typically */ |
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/* FT_GLYPH_FORMAT_BITMAP, */ |
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/* FT_GLYPH_FORMAT_OUTLINE, and */ |
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/* FT_GLYPH_FORMAT_COMPOSITE, but others are */ |
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/* @FT_GLYPH_FORMAT_BITMAP, */ |
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/* @FT_GLYPH_FORMAT_OUTLINE, or */ |
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/* @FT_GLYPH_FORMAT_COMPOSITE, but others are */ |
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/* possible. */ |
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/* */ |
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/* bitmap :: This field is used as a bitmap descriptor */ |
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/* when the slot format is */ |
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/* FT_GLYPH_FORMAT_BITMAP. Note that the */ |
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/* @FT_GLYPH_FORMAT_BITMAP. Note that the */ |
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/* address and content of the bitmap buffer can */ |
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/* change between calls of @FT_Load_Glyph and a */ |
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/* few other functions. */ |
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@ -1418,7 +1418,7 @@ FT_BEGIN_HEADER |
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/* bitmap_left :: This is the bitmap's left bearing expressed */ |
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/* in integer pixels. Of course, this is only */ |
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/* valid if the format is */ |
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/* FT_GLYPH_FORMAT_BITMAP. */ |
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/* @FT_GLYPH_FORMAT_BITMAP. */ |
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/* */ |
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/* bitmap_top :: This is the bitmap's top bearing expressed in */ |
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/* integer pixels. Remember that this is the */ |
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@ -1428,7 +1428,7 @@ FT_BEGIN_HEADER |
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/* */ |
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/* outline :: The outline descriptor for the current glyph */ |
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/* image if its format is */ |
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/* FT_GLYPH_FORMAT_OUTLINE. Once a glyph is */ |
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/* @FT_GLYPH_FORMAT_OUTLINE. Once a glyph is */ |
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/* loaded, `outline' can be transformed, */ |
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/* distorted, embolded, etc. However, it must */ |
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/* not be freed. */ |
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@ -1482,7 +1482,7 @@ FT_BEGIN_HEADER |
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/* Note that `slot->bitmap_left' and `slot->bitmap_top' are also used */ |
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/* to specify the position of the bitmap relative to the current pen */ |
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/* position (e.g. coordinates [0,0] on the baseline). Of course, */ |
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/* `slot->format' is also changed to `FT_GLYPH_FORMAT_BITMAP' . */ |
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/* `slot->format' is also changed to @FT_GLYPH_FORMAT_BITMAP. */ |
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/* */ |
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/* <Note> */ |
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/* Here a small pseudo code fragment which shows how to use */ |
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@ -3222,21 +3222,26 @@ FT_BEGIN_HEADER |
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FT_Vector_Transform( FT_Vector* vec, |
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const FT_Matrix* matrix ); |
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/**
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* @macro: FT_SUBGLYPH_FLAG_XXX |
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* |
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* @description: |
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* a list of constant used to describe each subglyph |
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* |
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* @values: |
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* FT_SUBGLYPH_FLAG_ARGS_ARE_WORDS :: |
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* FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES :: |
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* FT_SUBGLYPH_FLAG_ROUND_XY_TO_GRID :: |
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* FT_SUBGLYPH_FLAG_SCALE :: |
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* FT_SUBGLYPH_FLAG_XY_SCALE :: |
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* FT_SUBGLYPH_FLAG_2X2 :: |
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* FT_SUBGLYPH_FLAG_USE_MY_METRICS :: |
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*/ |
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/*************************************************************************
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* |
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* @macro: |
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* FT_SUBGLYPH_FLAG_XXX |
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* |
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* @description: |
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* A list of constants used to describe subglyphs. Please refer to the |
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* TrueType specification for the meaning of the various flags. |
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* |
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* @values: |
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* FT_SUBGLYPH_FLAG_ARGS_ARE_WORDS :: |
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* FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES :: |
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* FT_SUBGLYPH_FLAG_ROUND_XY_TO_GRID :: |
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* FT_SUBGLYPH_FLAG_SCALE :: |
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* FT_SUBGLYPH_FLAG_XY_SCALE :: |
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* FT_SUBGLYPH_FLAG_2X2 :: |
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* FT_SUBGLYPH_FLAG_USE_MY_METRICS :: |
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* |
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*/ |
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#define FT_SUBGLYPH_FLAG_ARGS_ARE_WORDS 1 |
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#define FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES 2 |
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#define FT_SUBGLYPH_FLAG_ROUND_XY_TO_GRID 4 |
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@ -3245,41 +3250,57 @@ FT_BEGIN_HEADER |
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#define FT_SUBGLYPH_FLAG_2X2 0x80 |
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#define FT_SUBGLYPH_FLAG_USE_MY_METRICS 0x200 |
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/**
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* @func: FT_Get_SubGlyph_Info |
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* |
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* @description: |
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* a function used to retrieve a description of a given subglyph. |
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* only use it when 'glyph->format' is FT_GLYPH_FORMAT_COMPOSITE, or |
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* an error will be returned |
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* |
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* @input: |
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* glyph :: source glyph slot |
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* sub_index :: index of subglyph. must be less than 'glyph->num_subglyphs' |
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* |
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* @output: |
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* p_index :: subglyph glyph index |
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* p_flags :: subglyph flags, see @FT_SUBGLYPH_FLAG_XXX |
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* p_arg1 :: subglyph first argument (if any) |
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* p_arg2 :: subglyph second argument (if any) |
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* p_transform :: subglyph transform (if any) |
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* |
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* @return: |
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* error code. 0 means success |
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* |
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* @note: |
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* the values of *p_arg1, *p_arg2 and *p_transform must be interpreted |
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* depending on the flags returns in *p_flags. See the TrueType specification |
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* for details |
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*/ |
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/*************************************************************************
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* |
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* @func: |
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* FT_Get_SubGlyph_Info |
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* |
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* @description: |
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* Retrieve a description of a given subglyph. Only use it if |
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* `glyph->format' is @FT_GLYPH_FORMAT_COMPOSITE, or an error is |
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* returned. |
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* |
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* @input: |
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* glyph :: |
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* The source glyph slot. |
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* |
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* sub_index :: |
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* The index of subglyph. Must be less than `glyph->num_subglyphs'. |
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* |
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* @output: |
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* p_index :: |
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* The glyph index of the subglyph. |
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* |
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* p_flags :: |
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* The subglyph flags, see @FT_SUBGLYPH_FLAG_XXX. |
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* |
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* p_arg1 :: |
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* The subglyph's first argument (if any). |
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* |
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* p_arg2 :: |
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* The subglyph's second argument (if any). |
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* |
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* p_transform :: |
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* The subglyph transformation (if any). |
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* |
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* @return: |
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* FreeType error code. 0 means success. |
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* |
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* @note: |
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* The values of *p_arg1, *p_arg2 and *p_transform must be interpreted |
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* depending on the flags returns in *p_flags. See the TrueType |
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* specification for details. |
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* |
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*/ |
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FT_EXPORT( FT_Error ) |
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FT_Get_SubGlyph_Info( FT_GlyphSlot glyph, |
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FT_UInt sub_index, |
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FT_Int *p_index, |
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FT_UInt *p_flags, |
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FT_Int *p_arg1, |
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FT_Int *p_arg2, |
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FT_Matrix *p_transform ); |
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FT_Int *p_index, |
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FT_UInt *p_flags, |
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FT_Int *p_arg1, |
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FT_Int *p_arg2, |
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FT_Matrix *p_transform ); |
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/* */ |
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Werner Lemberg
19 years ago