summaryrefslogtreecommitdiff
path: root/pango/pango-fontset.c
diff options
context:
space:
mode:
authorMatthias Clasen <mclasen@redhat.com>2021-12-23 23:42:43 -0500
committerMatthias Clasen <mclasen@redhat.com>2021-12-23 23:42:43 -0500
commit00897993dfc2166b8dc4ef26666cc6d8ed4ef3b5 (patch)
treef57298f922db3bd671dc6a5485937c415d45bd95 /pango/pango-fontset.c
parent7d3bd86d58e18c3f0d7f793219bf9e2636a99aa6 (diff)
downloadpango-00897993dfc2166b8dc4ef26666cc6d8ed4ef3b5.tar.gz
Split off PangoFontsetSimple
Put PangoFontsetSimple into its own files.
Diffstat (limited to 'pango/pango-fontset.c')
-rw-r--r--pango/pango-fontset.c282
1 files changed, 36 insertions, 246 deletions
diff --git a/pango/pango-fontset.c b/pango/pango-fontset.c
index b8c15152..43dccd3a 100644
--- a/pango/pango-fontset.c
+++ b/pango/pango-fontset.c
@@ -10,7 +10,7 @@
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
@@ -30,7 +30,7 @@
#include "pango-fontset-private.h"
#include "pango-impl-utils.h"
-static PangoFontMetrics *pango_fontset_real_get_metrics (PangoFontset *fontset);
+static PangoFontMetrics *pango_fontset_real_get_metrics (PangoFontset *fontset);
G_DEFINE_ABSTRACT_TYPE (PangoFontset, pango_fontset, G_TYPE_OBJECT);
@@ -52,14 +52,14 @@ pango_fontset_class_init (PangoFontsetClass *class)
* @fontset: a `PangoFontset`
* @wc: a Unicode character
*
- * Returns the font in the fontset that contains the best glyph for a
- * Unicode character.
+ * Returns the font in the fontset that contains the best
+ * glyph for a Unicode character.
*
* Return value: (transfer full): a `PangoFont`
*/
PangoFont *
pango_fontset_get_font (PangoFontset *fontset,
- guint wc)
+ guint wc)
{
g_return_val_if_fail (PANGO_IS_FONTSET (fontset), NULL);
@@ -98,8 +98,8 @@ pango_fontset_get_metrics (PangoFontset *fontset)
*/
void
pango_fontset_foreach (PangoFontset *fontset,
- PangoFontsetForeachFunc func,
- gpointer data)
+ PangoFontsetForeachFunc func,
+ gpointer data)
{
g_return_if_fail (PANGO_IS_FONTSET (fontset));
g_return_if_fail (func != NULL);
@@ -109,8 +109,8 @@ pango_fontset_foreach (PangoFontset *fontset,
static gboolean
get_first_metrics_foreach (PangoFontset *fontset,
- PangoFont *font,
- gpointer data)
+ PangoFont *font,
+ gpointer data)
{
PangoFontMetrics *fontset_metrics = data;
PangoLanguage *language = PANGO_FONTSET_GET_CLASS (fontset)->get_language (fontset);
@@ -127,7 +127,7 @@ get_first_metrics_foreach (PangoFontset *fontset,
pango_font_metrics_unref (font_metrics);
- return TRUE; /* Stops iteration */
+ return TRUE; /* Stops iteration */
}
static PangoFontMetrics *
@@ -157,32 +157,32 @@ pango_fontset_real_get_metrics (PangoFontset *fontset)
gunichar wc = g_utf8_get_char (p);
font = pango_fontset_get_font (fontset, wc);
if (font)
- {
- if (g_hash_table_lookup (fonts_seen, font) == NULL)
- {
- raw_metrics = pango_font_get_metrics (font, language);
- g_hash_table_insert (fonts_seen, font, font);
-
- if (count == 0)
- {
- metrics->ascent = raw_metrics->ascent;
- metrics->descent = raw_metrics->descent;
- metrics->approximate_char_width = raw_metrics->approximate_char_width;
- metrics->approximate_digit_width = raw_metrics->approximate_digit_width;
- }
- else
- {
- metrics->ascent = MAX (metrics->ascent, raw_metrics->ascent);
- metrics->descent = MAX (metrics->descent, raw_metrics->descent);
- metrics->approximate_char_width += raw_metrics->approximate_char_width;
- metrics->approximate_digit_width += raw_metrics->approximate_digit_width;
- }
- count++;
- pango_font_metrics_unref (raw_metrics);
- }
- else
- g_object_unref (font);
- }
+ {
+ if (g_hash_table_lookup (fonts_seen, font) == NULL)
+ {
+ raw_metrics = pango_font_get_metrics (font, language);
+ g_hash_table_insert (fonts_seen, font, font);
+
+ if (count == 0)
+ {
+ metrics->ascent = raw_metrics->ascent;
+ metrics->descent = raw_metrics->descent;
+ metrics->approximate_char_width = raw_metrics->approximate_char_width;
+ metrics->approximate_digit_width = raw_metrics->approximate_digit_width;
+ }
+ else
+ {
+ metrics->ascent = MAX (metrics->ascent, raw_metrics->ascent);
+ metrics->descent = MAX (metrics->descent, raw_metrics->descent);
+ metrics->approximate_char_width += raw_metrics->approximate_char_width;
+ metrics->approximate_digit_width += raw_metrics->approximate_digit_width;
+ }
+ count++;
+ pango_font_metrics_unref (raw_metrics);
+ }
+ else
+ g_object_unref (font);
+ }
p = g_utf8_next_char (p);
}
@@ -197,213 +197,3 @@ pango_fontset_real_get_metrics (PangoFontset *fontset)
return metrics;
}
-
-
-/*
- * PangoFontsetSimple
- */
-
-#define PANGO_FONTSET_SIMPLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FONTSET_SIMPLE, PangoFontsetSimpleClass))
-#define PANGO_IS_FONTSET_SIMPLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_FONTSET_SIMPLE))
-#define PANGO_FONTSET_SIMPLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_FONTSET_SIMPLE, PangoFontsetSimpleClass))
-
-static void pango_fontset_simple_finalize (GObject *object);
-static PangoFontMetrics *pango_fontset_simple_get_metrics (PangoFontset *fontset);
-static PangoLanguage * pango_fontset_simple_get_language (PangoFontset *fontset);
-static PangoFont * pango_fontset_simple_get_font (PangoFontset *fontset,
- guint wc);
-static void pango_fontset_simple_foreach (PangoFontset *fontset,
- PangoFontsetForeachFunc func,
- gpointer data);
-
-struct _PangoFontsetSimple
-{
- PangoFontset parent_instance;
-
- GPtrArray *fonts;
- GPtrArray *coverages;
- PangoLanguage *language;
-};
-
-struct _PangoFontsetSimpleClass
-{
- PangoFontsetClass parent_class;
-};
-
-/**
- * pango_fontset_simple_new:
- * @language: a `PangoLanguage` tag
- *
- * Creates a new `PangoFontsetSimple` for the given language.
- *
- * Return value: the newly allocated `PangoFontsetSimple`
- */
-PangoFontsetSimple *
-pango_fontset_simple_new (PangoLanguage *language)
-{
- PangoFontsetSimple *fontset;
-
- fontset = g_object_new (PANGO_TYPE_FONTSET_SIMPLE, NULL);
- fontset->language = language;
-
- return fontset;
-}
-
-
-G_DEFINE_TYPE (PangoFontsetSimple, pango_fontset_simple, PANGO_TYPE_FONTSET);
-
-static void
-pango_fontset_simple_class_init (PangoFontsetSimpleClass *class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (class);
- PangoFontsetClass *fontset_class = PANGO_FONTSET_CLASS (class);
-
- object_class->finalize = pango_fontset_simple_finalize;
-
- fontset_class->get_font = pango_fontset_simple_get_font;
- fontset_class->get_metrics = pango_fontset_simple_get_metrics;
- fontset_class->get_language = pango_fontset_simple_get_language;
- fontset_class->foreach = pango_fontset_simple_foreach;
-}
-
-static void
-pango_fontset_simple_init (PangoFontsetSimple *fontset)
-{
- fontset->fonts = g_ptr_array_new ();
- fontset->coverages = g_ptr_array_new ();
- fontset->language = NULL;
-}
-
-static void
-pango_fontset_simple_finalize (GObject *object)
-{
- PangoFontsetSimple *fontset = PANGO_FONTSET_SIMPLE (object);
- PangoCoverage *coverage;
- unsigned int i;
-
- for (i = 0; i < fontset->fonts->len; i++)
- g_object_unref (g_ptr_array_index(fontset->fonts, i));
-
- g_ptr_array_free (fontset->fonts, TRUE);
-
- for (i = 0; i < fontset->coverages->len; i++)
- {
- coverage = g_ptr_array_index (fontset->coverages, i);
- if (coverage)
- pango_coverage_unref (coverage);
- }
-
- g_ptr_array_free (fontset->coverages, TRUE);
-
- G_OBJECT_CLASS (pango_fontset_simple_parent_class)->finalize (object);
-}
-
-/**
- * pango_fontset_simple_append:
- * @fontset: a `PangoFontsetSimple`.
- * @font: (transfer full): a `PangoFont`.
- *
- * Adds a font to the fontset.
- *
- * The fontset takes ownership of @font.
- */
-void
-pango_fontset_simple_append (PangoFontsetSimple *fontset,
- PangoFont *font)
-{
- g_ptr_array_add (fontset->fonts, font);
- g_ptr_array_add (fontset->coverages, NULL);
-}
-
-/**
- * pango_fontset_simple_size:
- * @fontset: a `PangoFontsetSimple`.
- *
- * Returns the number of fonts in the fontset.
- *
- * Return value: the size of @fontset
- */
-int
-pango_fontset_simple_size (PangoFontsetSimple *fontset)
-{
- return fontset->fonts->len;
-}
-
-static PangoLanguage *
-pango_fontset_simple_get_language (PangoFontset *fontset)
-{
- PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
-
- return simple->language;
-}
-
-static PangoFontMetrics *
-pango_fontset_simple_get_metrics (PangoFontset *fontset)
-{
- PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
-
- if (simple->fonts->len == 1)
- return pango_font_get_metrics (PANGO_FONT (g_ptr_array_index(simple->fonts, 0)),
- simple->language);
-
- return PANGO_FONTSET_CLASS (pango_fontset_simple_parent_class)->get_metrics (fontset);
-}
-
-static PangoFont *
-pango_fontset_simple_get_font (PangoFontset *fontset,
- guint wc)
-{
- PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
- PangoCoverageLevel best_level = PANGO_COVERAGE_NONE;
- PangoCoverageLevel level;
- PangoFont *font;
- PangoCoverage *coverage;
- int result = -1;
- unsigned int i;
-
- for (i = 0; i < simple->fonts->len; i++)
- {
- coverage = g_ptr_array_index (simple->coverages, i);
-
- if (coverage == NULL)
- {
- font = g_ptr_array_index (simple->fonts, i);
-
- coverage = pango_font_get_coverage (font, simple->language);
- g_ptr_array_index (simple->coverages, i) = coverage;
- }
-
- level = pango_coverage_get (coverage, wc);
-
- if (result == -1 || level > best_level)
- {
- result = i;
- best_level = level;
- if (level == PANGO_COVERAGE_EXACT)
- break;
- }
- }
-
- if (G_UNLIKELY (result == -1))
- return NULL;
-
- font = g_ptr_array_index(simple->fonts, result);
- return g_object_ref (font);
-}
-
-static void
-pango_fontset_simple_foreach (PangoFontset *fontset,
- PangoFontsetForeachFunc func,
- gpointer data)
-{
- PangoFontsetSimple *simple = PANGO_FONTSET_SIMPLE (fontset);
- unsigned int i;
-
- for (i = 0; i < simple->fonts->len; i++)
- {
- if ((*func) (fontset,
- g_ptr_array_index (simple->fonts, i),
- data))
- return;
- }
-}