diff options
-rw-r--r-- | ChangeLog | 14 | ||||
-rw-r--r-- | ChangeLog.pre-1-10 | 14 | ||||
-rw-r--r-- | docs/pango-sections.txt | 2 | ||||
-rw-r--r-- | pango/pangocairo-fcfont.c | 2 | ||||
-rw-r--r-- | pango/pangocairo-fcfontmap.c | 9 | ||||
-rw-r--r-- | pango/pangocairo-fontmap.c | 65 | ||||
-rw-r--r-- | pango/pangocairo.h | 4 | ||||
-rw-r--r-- | pango/pangofc-fontmap.c | 18 | ||||
-rw-r--r-- | pango/pangofc-fontmap.h | 4 |
9 files changed, 122 insertions, 10 deletions
@@ -1,3 +1,17 @@ +2005-05-17 Owen Taylor <otaylor@redhat.com> + + * pango/pangofc-fontmap.[ch]: Add a new context_substitute() virtual + function that replaces default_substitute() and adds a + PangoContext argument. + + * pango/pangocairo.h pango/pangocairo-fontmap.c docs/pango-sections.txt: + Add pango_cairo_context_set/get_hinting() to control + hinting on individual contexts. + + * pango/pangocairo-fcfont.c pango/pangocairo-fcfontmap.c: + Implement hinting control for the for the fontconfig/cairo + backend. + Tue May 17 07:21:53 2005 Manish Singh <yosh@gimp.org> * examples/cairoview.c: update for new cairo_xlib_surface API. diff --git a/ChangeLog.pre-1-10 b/ChangeLog.pre-1-10 index 00f5bb94..8f68a293 100644 --- a/ChangeLog.pre-1-10 +++ b/ChangeLog.pre-1-10 @@ -1,3 +1,17 @@ +2005-05-17 Owen Taylor <otaylor@redhat.com> + + * pango/pangofc-fontmap.[ch]: Add a new context_substitute() virtual + function that replaces default_substitute() and adds a + PangoContext argument. + + * pango/pangocairo.h pango/pangocairo-fontmap.c docs/pango-sections.txt: + Add pango_cairo_context_set/get_hinting() to control + hinting on individual contexts. + + * pango/pangocairo-fcfont.c pango/pangocairo-fcfontmap.c: + Implement hinting control for the for the fontconfig/cairo + backend. + Tue May 17 07:21:53 2005 Manish Singh <yosh@gimp.org> * examples/cairoview.c: update for new cairo_xlib_surface API. diff --git a/docs/pango-sections.txt b/docs/pango-sections.txt index 20584dc5..6838df62 100644 --- a/docs/pango-sections.txt +++ b/docs/pango-sections.txt @@ -778,6 +778,8 @@ pango_cairo_font_map_get_default pango_cairo_font_map_set_resolution pango_cairo_font_map_get_resolution pango_cairo_font_map_create_context +pango_cairo_context_set_hinting +pango_cairo_context_get_hinting pango_cairo_update_context pango_cairo_create_layout pango_cairo_update_layout diff --git a/pango/pangocairo-fcfont.c b/pango/pangocairo-fcfont.c index cde571bf..326cd3e5 100644 --- a/pango/pangocairo-fcfont.c +++ b/pango/pangocairo-fcfont.c @@ -341,7 +341,7 @@ _pango_cairo_fc_get_render_key (PangoCairoFcFontMap *cffontmap, *xsize = (int) (xscale * size + 0.5); *ysize = (int) (xscale * size + 0.5); - *flags = 0; + *flags = pango_cairo_context_get_hinting (context); if (matrix) { diff --git a/pango/pangocairo-fcfontmap.c b/pango/pangocairo-fcfontmap.c index a1a107e9..e032c9d5 100644 --- a/pango/pangocairo-fcfontmap.c +++ b/pango/pangocairo-fcfontmap.c @@ -86,7 +86,8 @@ pango_cairo_fc_font_map_finalize (GObject *object) } static void -pango_cairo_fc_font_map_default_substitute (PangoFcFontMap *fcfontmap, +pango_cairo_fc_font_map_context_substitute (PangoFcFontMap *fcfontmap, + PangoContext *context, FcPattern *pattern) { PangoCairoFcFontMap *cffontmap = PANGO_CAIRO_FC_FONT_MAP (fcfontmap); @@ -96,6 +97,10 @@ pango_cairo_fc_font_map_default_substitute (PangoFcFontMap *fcfontmap, if (FcPatternGet (pattern, FC_DPI, 0, &v) == FcResultNoMatch) FcPatternAddDouble (pattern, FC_DPI, cffontmap->dpi); + + if (!pango_cairo_context_get_hinting (context)) + FcPatternAddBool (pattern, FC_HINTING, FcFalse); + FcDefaultSubstitute (pattern); } @@ -128,7 +133,7 @@ pango_cairo_fc_font_map_class_init (PangoCairoFcFontMapClass *class) PangoFcFontMapClass *fcfontmap_class = PANGO_FC_FONT_MAP_CLASS (class); gobject_class->finalize = pango_cairo_fc_font_map_finalize; - fcfontmap_class->default_substitute = pango_cairo_fc_font_map_default_substitute; + fcfontmap_class->context_substitute = pango_cairo_fc_font_map_context_substitute; fcfontmap_class->get_render_key = pango_cairo_fc_font_map_get_render_key; fcfontmap_class->create_font = pango_cairo_fc_font_map_create_font; } diff --git a/pango/pangocairo-fontmap.c b/pango/pangocairo-fontmap.c index f8cd2ab8..5b72375c 100644 --- a/pango/pangocairo-fontmap.c +++ b/pango/pangocairo-fontmap.c @@ -226,6 +226,71 @@ pango_cairo_update_context (cairo_t *cr, pango_context_set_matrix (context, &pango_matrix); } +typedef struct _PangoCairoContextInfo PangoCairoContextInfo; + +struct _PangoCairoContextInfo +{ + gboolean hinting; +}; + +static PangoCairoContextInfo * +get_context_info (PangoContext *context, + gboolean create) +{ + PangoCairoContextInfo *info = g_object_get_data (G_OBJECT (context), + "pango-cairo-context-info"); + if (!info && create) + { + info = g_new (PangoCairoContextInfo, 1); + info->hinting = TRUE; + + g_object_set_data_full (G_OBJECT (context), "pango-cairo-context-info", + info, (GDestroyNotify)g_free); + } + + return info; +} + +/** + * pango_cairo_context_set_hinting: + * @context: a #PangoContext, from pango_cairo_font_map_create_context() + * @hinting: %TRUE if hinting should be enabled. + * + * Sets whether outlines and font metrics should be hinted for this + * context. Hinting is the process of adjusting outlines so that they + * render better when drawn onto a pixel grid. When hinting is + * enabled, font metrics such as character widths and font ascent and + * descent are quantized to integer pixel values. + * + * If layouts have been previously created for this context, it is + * necessary to call pango_layout_context_changed() in order to update + * the layouts. + **/ +void +pango_cairo_context_set_hinting (PangoContext *context, + gboolean hinting) +{ + PangoCairoContextInfo *info = get_context_info (context, TRUE); + info->hinting = hinting != FALSE; +} + +/** + * pango_cairo_context_get_hinting: + * @context: a #PangoContext, from pango_cairo_font_map_create_context() + * + * Gets whether hinting is enabled for this context. See + * pango_cairo_context_set_hinting() + * + * Return value: %TRUE if hinting is enabled. + **/ +gboolean +pango_cairo_context_get_hinting (PangoContext *context) +{ + PangoCairoContextInfo *info = get_context_info (context, FALSE); + + return !info || info->hinting; +} + /** * pango_cairo_create_layout: * @cr: a Cairo context diff --git a/pango/pangocairo.h b/pango/pangocairo.h index 147e619c..ba0949fc 100644 --- a/pango/pangocairo.h +++ b/pango/pangocairo.h @@ -62,6 +62,10 @@ PangoContext *pango_cairo_font_map_create_context (PangoCairoFontMap *fontmap); void pango_cairo_update_context (cairo_t *cr, PangoContext *context); +void pango_cairo_context_set_hinting (PangoContext *context, + gboolean hinting); +gboolean pango_cairo_context_get_hinting (PangoContext *context); + /* Convenience */ PangoLayout *pango_cairo_create_layout (cairo_t *cr); diff --git a/pango/pangofc-fontmap.c b/pango/pangofc-fontmap.c index c4068db3..7804c2e0 100644 --- a/pango/pangofc-fontmap.c +++ b/pango/pangofc-fontmap.c @@ -818,14 +818,18 @@ uniquify_pattern (PangoFcFontMap *fcfontmap, static void pango_fc_default_substitute (PangoFcFontMap *fontmap, - FcPattern *pattern) + PangoContext *context, + FcPattern *pattern) { - if (PANGO_FC_FONT_MAP_GET_CLASS (fontmap)->default_substitute) + if (PANGO_FC_FONT_MAP_GET_CLASS (fontmap)->context_substitute) + PANGO_FC_FONT_MAP_GET_CLASS (fontmap)->context_substitute (fontmap, context, pattern); + else if (PANGO_FC_FONT_MAP_GET_CLASS (fontmap)->default_substitute) PANGO_FC_FONT_MAP_GET_CLASS (fontmap)->default_substitute (fontmap, pattern); } static gdouble -pango_fc_font_map_get_dpi (PangoFcFontMap *fcfontmap) +pango_fc_font_map_get_dpi (PangoFcFontMap *fcfontmap, + PangoContext *context) { if (fcfontmap->priv->dpi < 0) { @@ -836,7 +840,7 @@ pango_fc_font_map_get_dpi (PangoFcFontMap *fcfontmap) NULL); if (tmp) { - pango_fc_default_substitute (fcfontmap, tmp); + pango_fc_default_substitute (fcfontmap, NULL, tmp); result = FcPatternGetDouble (tmp, FC_DPI, 0, &fcfontmap->priv->dpi); FcPatternDestroy (tmp); } @@ -881,7 +885,7 @@ pango_fc_font_map_get_render_key (PangoFcFontMap *fcfontmap, if (pango_font_description_get_size_is_absolute (desc)) size = pango_font_description_get_size (desc); else - size = pango_fc_font_map_get_dpi (fcfontmap) * pango_font_description_get_size (desc) / 72.; + size = pango_fc_font_map_get_dpi (fcfontmap, context) * pango_font_description_get_size (desc) / 72.; if (context) matrix = pango_context_get_matrix (context); @@ -947,7 +951,7 @@ pango_fc_font_map_get_patterns (PangoFontMap *fontmap, { pattern = pango_fc_make_pattern (desc, language, key.y_size / 1024.); - pango_fc_default_substitute (fcfontmap, pattern); + pango_fc_default_substitute (fcfontmap, context, pattern); font_patterns = FcFontSort (NULL, pattern, FcTrue, NULL, &res); @@ -1609,7 +1613,7 @@ pango_fc_face_list_sizes (PangoFontFace *face, if (FcPatternGetDouble (fontset->fonts[i], FC_PIXEL_SIZE, 0, &size) == FcResultMatch) { if (dpi < 0) - dpi = pango_fc_font_map_get_dpi (fcface->family->fontmap); + dpi = pango_fc_font_map_get_dpi (fcface->family->fontmap, NULL); size_i = (int) (PANGO_SCALE * size * 72.0 / dpi); g_array_append_val (size_array, size_i); diff --git a/pango/pangofc-fontmap.h b/pango/pangofc-fontmap.h index 4e98bc78..a6f4d511 100644 --- a/pango/pangofc-fontmap.h +++ b/pango/pangofc-fontmap.h @@ -89,6 +89,7 @@ struct _PangoFcFontMapClass PangoFontMapClass parent_class; /*< public >*/ + /* Deprecated in favor of context_substitute */ void (*default_substitute) (PangoFcFontMap *fontmap, FcPattern *pattern); /* Deprecated in favor of create_font */ @@ -101,6 +102,9 @@ struct _PangoFcFontMapClass int *xsize, int *ysize, guint *flags); + void (*context_substitute) (PangoFcFontMap *fontmap, + PangoContext *context, + FcPattern *pattern); PangoFcFont *(*create_font) (PangoFcFontMap *fontmap, PangoContext *context, const PangoFontDescription *desc, |