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Add support for measuring base fonts (Issue #84)

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Update md2pdf example code to support using embedded TrueType or PDF base
fonts.
This commit is contained in:
Michael R Sweet
2024-12-13 17:39:16 -05:00
parent 0d08dd5f1b
commit d3d6683041
4 changed files with 439 additions and 61 deletions
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21
examples/md2pdf.c
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@@ -138,6 +138,10 @@ typedef struct tablerow_s // Table row
// Constants...
//
#define USE_TRUETYPE 1 // Set to 1 to use Roboto TrueType fonts
#if USE_TRUETYPE
# define UNICODE_VALUE true // `true` for Unicode text, `false` for ISO-8859-1
static const char * const docfont_filenames[] =
{
"Roboto-Regular.ttf",
@@ -145,6 +149,16 @@ static const char * const docfont_filenames[] =
"Roboto-Italic.ttf",
"RobotoMono-Regular.ttf"
};
#else
# define UNICODE_VALUE false // `true` for Unicode text, `false` for ISO-8859-1
static const char * const docfont_filenames[] =
{
"Helvetica",
"Helvetica-Bold",
"Helvetica-Oblique",
"Courier"
};
#endif // USE_TRUETYPE
static const char * const docfont_names[] =
{
@@ -183,8 +197,6 @@ static const char * const docfont_names[] =
#define TABLE_PADDING 4.5 // Table padding value
#define UNICODE_VALUE true // `true` for Unicode text, `false` for ISO-8859-1
//
// 'mmd_walk_next()' - Find the next markdown node.
@@ -1333,8 +1345,13 @@ main(int argc, // I - Number of command-line arguments
// Add fonts...
for (fontface = DOCFONT_REGULAR; fontface < DOCFONT_MAX; fontface ++)
{
#if USE_TRUETYPE
if ((dd.fonts[fontface] = pdfioFileCreateFontObjFromFile(dd.pdf, docfont_filenames[fontface], UNICODE_VALUE)) == NULL)
return (1);
#else
if ((dd.fonts[fontface] = pdfioFileCreateFontObjFromBase(dd.pdf, docfont_filenames[fontface])) == NULL)
return (1);
#endif // USE_TRUETYPE
}
// Add images...