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Diffstat (limited to 'freetype2/docs/tutorial/step2.html')
| -rw-r--r-- | freetype2/docs/tutorial/step2.html | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/freetype2/docs/tutorial/step2.html b/freetype2/docs/tutorial/step2.html index 57e8db8..b5ef3f6 100644 --- a/freetype2/docs/tutorial/step2.html +++ b/freetype2/docs/tutorial/step2.html @@ -75,14 +75,14 @@ <p>Note that only a few font formats provide vertical metrics. You can test whether a given face object contains them by using the - macro <a href="../reference/site/ft2-base_interface.html#ft_has_vertical"><code>FT_HAS_VERTICAL</code></a>, + macro <a href="../reference/ft2-base_interface.html#ft_has_vertical"><code>FT_HAS_VERTICAL</code></a>, which returns true if appropriate.</p> <p>Individual glyph metrics can be accessed by first loading the glyph in a face's glyph slot, then accessing them through the <code>face->glyph->metrics</code> structure, whose type - is <a href="../reference/site/ft2-base_interface.html#ft_glyph_metrics"><code>FT_Glyph_Metrics</code></a>. + is <a href="../reference/ft2-base_interface.html#ft_glyph_metrics"><code>FT_Glyph_Metrics</code></a>. We will discuss this in more detail below; for now, we only note that it contains the following fields.</p> @@ -95,7 +95,7 @@ <dd>This is the height of the glyph image's bounding box. It is independent of the layout direction. Be careful not to confuse it with the ‘height’ field in - the <a href="../reference/site/ft2-base_interface.html#ft_size_metrics"> + the <a href="../reference/ft2-base_interface.html#ft_size_metrics"> <code>FT_Size_Metrics</code></a> structure.</dd> <dt>horiBearingX</dt> @@ -216,7 +216,7 @@ <p>The glyph image that is loaded in a glyph slot can be converted into a bitmap, either by using <code>FT_LOAD_RENDER</code> when loading it, or by - calling <a href="../reference/site/ft2-base_interface.html#ft_render_glyph"><code>FT_Render_Glyph</code></a>. + calling <a href="../reference/ft2-base_interface.html#ft_render_glyph"><code>FT_Render_Glyph</code></a>. Each time you load a new glyph image, the previous one is erased from the glyph slot.</p> @@ -229,7 +229,7 @@ <p>The FreeType 2 API has a specific extension that is capable of dealing with glyph images in a flexible and generic way. To use it, you first need to include - the <a href="../reference/site/ft2-header_file_macros.html#ft_glyph_h"><code>FT_GLYPH_H</code></a> + the <a href="../reference/ft2-header_file_macros.html#ft_glyph_h"><code>FT_GLYPH_H</code></a> header file.</p> <pre> @@ -255,7 +255,7 @@ if ( error ) { ... }</pre> <ul> <li>Create a variable named <code>glyph</code>, of - type <a href="../reference/site/ft2-glyph_management.html#ft_glyph"><code>FT_Glyph</code></a>. + type <a href="../reference/ft2-glyph_management.html#ft_glyph"><code>FT_Glyph</code></a>. This is a handle (pointer) to an individual glyph image.</li> @@ -266,7 +266,7 @@ if ( error ) { ... }</pre> <li>Copy the glyph image from the slot into a new <code>FT_Glyph</code> object by - calling <a href="../reference/site/ft2-glyph_management.html#ft_get_glyph"><code>FT_Get_Glyph</code></a>. + calling <a href="../reference/ft2-glyph_management.html#ft_get_glyph"><code>FT_Get_Glyph</code></a>. This function returns an error code and sets <code>glyph</code>.</li> </ul> @@ -280,7 +280,7 @@ if ( error ) { ... }</pre> exactly how the glyph is modeled and stored.</p> <p>A new glyph object can be destroyed with a call - to <a href="../reference/site/ft2-glyph_management.html#ft_done_glyph"><code>FT_Done_Glyph</code></a>.</p> + to <a href="../reference/ft2-glyph_management.html#ft_done_glyph"><code>FT_Done_Glyph</code></a>.</p> <p>The glyph object contains exactly one glyph image and a 2D vector representing the glyph's advance in 16.16 @@ -299,10 +299,10 @@ if ( error ) { ... }</pre> if <code>glyph->format</code> is not equal to <code>FT_GLYPH_FORMAT_BITMAP</code>), it is possible to transform the image anytime by a call - to <a href="../reference/site/ft2-glyph_management.html#ft_glyph_transform"><code>FT_Glyph_Transform</code></a>.</p> + to <a href="../reference/ft2-glyph_management.html#ft_glyph_transform"><code>FT_Glyph_Transform</code></a>.</p> <p>You can also copy a single glyph image - with <a href="../reference/site/ft2-glyph_management.html#ft_glyph_copy"><code>FT_Glyph_Copy</code></a>.</p> + with <a href="../reference/ft2-glyph_management.html#ft_glyph_copy"><code>FT_Glyph_Copy</code></a>.</p> <pre> FT_Glyph glyph, glyph2; @@ -341,7 +341,7 @@ FT_Glyph_Transform( glyph2, &matrix, 0 );</pre> <p>You can also retrieve the control (bounding) box of any glyph image (scalable or not) through - the <a href="../reference/site/ft2-glyph_management.html#ft_glyph_get_cbox"><code>FT_Glyph_Get_CBox</code></a> + the <a href="../reference/ft2-glyph_management.html#ft_glyph_get_cbox"><code>FT_Glyph_Get_CBox</code></a> function.</p> <pre> @@ -393,7 +393,7 @@ bbox.yMax = CEILING( bbox.yMax )</pre> to <code>FT_GLYPH_BBOX_PIXELS</code>.</p> <p>[Computing <em>exact</em> bounding boxes can be done with - function <a href="../reference/site/ft2-outline_processing.html#ft_outline_get_bbox"><code>FT_Outline_Get_BBox</code></a>, + function <a href="../reference/ft2-outline_processing.html#ft_outline_get_bbox"><code>FT_Outline_Get_BBox</code></a>, at the cost of slower execution. You probably don't need it with the possible exception of rotated glyphs.]</p> @@ -402,7 +402,7 @@ bbox.yMax = CEILING( bbox.yMax )</pre> <p>You may need to convert the glyph object to a bitmap once you have conveniently cached or transformed it. This can be done easily with - the <a href="../reference/site/ft2-glyph_management.html"><code>FT_Glyph_To_Bitmap</code></a> + the <a href="../reference/ft2-glyph_management.html"><code>FT_Glyph_To_Bitmap</code></a> function, which handles any glyph object.</p> <pre> @@ -454,7 +454,7 @@ error = FT_Glyph_To_Bitmap( access its content. This type is a sort of ‘subclass’ of <code>FT_Glyph</code> that contains additional fields - (see <a href="../reference/site/ft2-glyph_management.html#ft_bitmapglyphrec"><code>FT_BitmapGlyphRec</code></a>).</p> + (see <a href="../reference/ft2-glyph_management.html#ft_bitmapglyphrec"><code>FT_BitmapGlyphRec</code></a>).</p> <dl> <dt>left</dt> @@ -581,7 +581,7 @@ error = FT_Glyph_To_Bitmap( of the global metrics described above, to be directly accessed through the <code>face->size->metrics</code> structure (of - type <a href="../reference/site/ft2-base_interface.html#ft_size_metrics"> + type <a href="../reference/ft2-base_interface.html#ft_size_metrics"> <code>FT_Size_Metrics</code></a>). <em>No grid-fitting is performed for those values</em>. They are also completely independent of any hinting process. In other @@ -608,7 +608,7 @@ error = FT_Glyph_To_Bitmap( <p>Be careful not to confuse it with the ‘height’ field in - the <a href="../reference/site/ft2-base_interface.html#ft_glyph_metrics"><code>FT_Glyph_Metrics</code></a> + the <a href="../reference/ft2-base_interface.html#ft_glyph_metrics"><code>FT_Glyph_Metrics</code></a> structure.</p> </dd> @@ -659,8 +659,8 @@ error = FT_Glyph_To_Bitmap( <p>FreeType 2 allows you to deal with this, by providing - the <a href="../reference/site/ft2-base_interface.html#ft_attach_file"><code>FT_Attach_File</code></a> - and <a href="../reference/site/ft2-base_interface.html#ft_attach_stream"><code>FT_Attach_Stream</code></A> + the <a href="../reference/ft2-base_interface.html#ft_attach_file"><code>FT_Attach_File</code></a> + and <a href="../reference/ft2-base_interface.html#ft_attach_stream"><code>FT_Attach_Stream</code></A> APIs. Both functions are used to load additional metrics into a face object by reading them from an additional format-specific file. Here an example, opening a @@ -678,7 +678,7 @@ if ( error ) <p>Note that <code>FT_Attach_Stream</code> is similar to <code>FT_Attach_File</code> except that it doesn't take a C string to name the extra file but - an <a href="../reference/site/ft2-system_interface.html#ft_streamrec"><code>FT_Stream</code></a> + an <a href="../reference/ft2-system_interface.html#ft_streamrec"><code>FT_Stream</code></a> handle. Also, <em>reading a metrics file is in no way mandatory</em>.</p> @@ -689,7 +689,7 @@ if ( error ) <p>FreeType 2 allows you to retrieve the kerning information between two glyphs through - the <a href="../reference/site/ft2-base_interface.html#ft_get_kerning"><code>FT_Get_Kerning</code></a> + the <a href="../reference/ft2-base_interface.html#ft_get_kerning"><code>FT_Get_Kerning</code></a> function.</p> <pre> @@ -1367,7 +1367,7 @@ for ( n = 0; n < num_glyphs; n++ ) <em>font units</em>. When a glyph image is loaded, the font driver usually scales the outline to device space according to the current character pixel size found in - an <a href="../reference/site/ft2-base_interface.html#ft_size"><code>FT_Size</code></a> + an <a href="../reference/ft2-base_interface.html#ft_size"><code>FT_Size</code></a> object. The driver may also modify the scaled outline in order to significantly improve its appearance on a pixel-based surface (a process known as <em>hinting</em> @@ -1410,7 +1410,7 @@ for ( n = 0; n < num_glyphs; n++ ) if appropriate.</p> <p>When you call the - function <a href="../reference/site/ft2-base_interface.html#ft_set_pixel_sizes"><code>FT_Set_Pixel_Sizes</code></a>, + function <a href="../reference/ft2-base_interface.html#ft_set_pixel_sizes"><code>FT_Set_Pixel_Sizes</code></a>, you are specifying integer values of <code>pixel_size_x</code> and <code>pixel_size_y</code> FreeType shall use. The library @@ -1419,7 +1419,7 @@ for ( n = 0; n < num_glyphs; n++ ) <code>y_scale</code>.</p> <p>When you call the - function <a href="../reference/site/ft2-base_interface.html#ft_set_char_size"><code>FT_Set_Char_Size</code></a>, + function <a href="../reference/ft2-base_interface.html#ft_set_char_size"><code>FT_Set_Char_Size</code></a>, you are specifying the character size in physical <em>points</em>, which is used, along with the device's resolutions, to compute the character pixel size @@ -1461,7 +1461,7 @@ for ( n = 0; n < num_glyphs; n++ ) <p>You can scale a distance expressed in font units to 26.6 pixel format directly with the help of - the <a href="../reference/site/ft2-computations.html#ft_mulfix"><code>FT_MulFix</code></a> + the <a href="../reference/ft2-computations.html#ft_mulfix"><code>FT_MulFix</code></a> function.</p> <pre> |