Kozea/WeasyPrint
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Don’t use iters to get layout lines

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This commit removes code and improves speed 😎.
This commit is contained in:
Guillaume Ayoub 2020-06-02 17:59:17 +02:00
parent e3f1a4ad0a
commit f1bf364c4e
1 changed files with 5 additions and 13 deletions
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18
weasyprint/text.py
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@ -220,16 +220,11 @@ ffi.cdef('''
void pango_layout_set_single_paragraph_mode (
PangoLayout *layout, gboolean setting);
int pango_layout_get_baseline (PangoLayout *layout);
PangoLayoutLine * pango_layout_get_line_readonly (
PangoLayout *layout, int line);
hb_font_t * pango_font_get_hb_font (PangoFont *font);
PangoLayoutIter * pango_layout_get_iter (PangoLayout *layout);
void pango_layout_iter_free (PangoLayoutIter *iter);
gboolean pango_layout_iter_next_line (PangoLayoutIter *iter);
PangoLayoutLine * pango_layout_iter_get_line_readonly (
PangoLayoutIter *iter);
int pango_layout_iter_get_index (PangoLayoutIter *iter);
PangoFontDescription * pango_font_description_new (void);
void pango_font_description_free (PangoFontDescription *desc);
PangoFontDescription * pango_font_description_copy (
@ -805,15 +800,12 @@ class Layout:
pango.pango_layout_set_attributes(self.layout, attr_list)
def get_first_line(self):
layout_iter = pango.pango_layout_get_iter(self.layout)
first_line = pango.pango_layout_iter_get_line_readonly(layout_iter)
if pango.pango_layout_iter_next_line(layout_iter):
second_line = pango.pango_layout_iter_get_line_readonly(
layout_iter)
first_line = pango.pango_layout_get_line_readonly(self.layout, 0)
second_line = pango.pango_layout_get_line_readonly(self.layout, 1)
if second_line != ffi.NULL:
index = second_line.start_index
else:
index = None
pango.pango_layout_iter_free(layout_iter)
self.first_line_direction = first_line.resolved_dir
return first_line, index