ass_cache.h ass_fontconfig.h ass_font.h ass.h \
ass_library.h ass_types.h ass_utils.h ass_drawing.c \
ass_drawing.h ass_cache_template.h ass_render.h \
- ass_parse.c ass_parse.h ass_strtod.c
+ ass_parse.c ass_parse.h ass_render_api.c ass_strtod.c
libass_la_LDFLAGS = -version-info $(LIBASS_LT_CURRENT):$(LIBASS_LT_REVISION):$(LIBASS_LT_AGE)
libass_la_LDFLAGS += -export-symbols $(srcdir)/libass.sym
#define MAX_LINES_INITIAL 64
#define SUBPIXEL_MASK 63
#define SUBPIXEL_ACCURACY 7 // d6 mask for subpixel accuracy adjustment
-#define GLYPH_CACHE_MAX 1000
-#define BITMAP_CACHE_MAX_SIZE 30 * 1048576
static void ass_lazy_track_init(ASS_Renderer *render_priv)
{
return priv;
}
-void ass_set_cache_limits(ASS_Renderer *render_priv, int glyph_max,
- int bitmap_max)
-{
- render_priv->cache.glyph_max = glyph_max ? glyph_max : GLYPH_CACHE_MAX;
- render_priv->cache.bitmap_max_size = bitmap_max ? 1048576 * bitmap_max :
- BITMAP_CACHE_MAX_SIZE;
-}
-
static void free_list_clear(ASS_Renderer *render_priv)
{
if (render_priv->free_head) {
}
}
-static void ass_free_images(ASS_Image *img);
-
void ass_renderer_done(ASS_Renderer *render_priv)
{
ass_font_cache_done(render_priv->cache.font_cache);
* \brief deallocate image list
* \param img list pointer
*/
-static void ass_free_images(ASS_Image *img)
+void ass_free_images(ASS_Image *img)
{
while (img) {
ASS_Image *next = img->next;
}
}
-static void ass_reconfigure(ASS_Renderer *priv)
-{
- ASS_Settings *settings = &priv->settings;
-
- priv->render_id++;
- priv->cache.glyph_cache =
- ass_glyph_cache_reset(priv->cache.glyph_cache);
- priv->cache.bitmap_cache =
- ass_bitmap_cache_reset(priv->cache.bitmap_cache);
- priv->cache.composite_cache =
- ass_composite_cache_reset(priv->cache.composite_cache);
- ass_free_images(priv->prev_images_root);
- priv->prev_images_root = 0;
-
- priv->width = settings->frame_width;
- priv->height = settings->frame_height;
- priv->orig_width = settings->frame_width - settings->left_margin -
- settings->right_margin;
- priv->orig_height = settings->frame_height - settings->top_margin -
- settings->bottom_margin;
- priv->orig_width_nocrop =
- settings->frame_width - FFMAX(settings->left_margin, 0) -
- FFMAX(settings->right_margin, 0);
- priv->orig_height_nocrop =
- settings->frame_height - FFMAX(settings->top_margin, 0) -
- FFMAX(settings->bottom_margin, 0);
-}
-
-void ass_set_frame_size(ASS_Renderer *priv, int w, int h)
-{
- if (priv->settings.frame_width != w || priv->settings.frame_height != h) {
- priv->settings.frame_width = w;
- priv->settings.frame_height = h;
- if (priv->settings.aspect == 0.) {
- priv->settings.aspect = ((double) w) / h;
- priv->settings.storage_aspect = ((double) w) / h;
- }
- ass_reconfigure(priv);
- }
-}
-
-void ass_set_margins(ASS_Renderer *priv, int t, int b, int l, int r)
-{
- if (priv->settings.left_margin != l ||
- priv->settings.right_margin != r ||
- priv->settings.top_margin != t
- || priv->settings.bottom_margin != b) {
- priv->settings.left_margin = l;
- priv->settings.right_margin = r;
- priv->settings.top_margin = t;
- priv->settings.bottom_margin = b;
- ass_reconfigure(priv);
- }
-}
-
-void ass_set_use_margins(ASS_Renderer *priv, int use)
-{
- priv->settings.use_margins = use;
-}
-
-void ass_set_aspect_ratio(ASS_Renderer *priv, double dar, double sar)
-{
- if (priv->settings.aspect != dar || priv->settings.storage_aspect != sar) {
- priv->settings.aspect = dar;
- priv->settings.storage_aspect = sar;
- ass_reconfigure(priv);
- }
-}
-
-void ass_set_font_scale(ASS_Renderer *priv, double font_scale)
-{
- if (priv->settings.font_size_coeff != font_scale) {
- priv->settings.font_size_coeff = font_scale;
- ass_reconfigure(priv);
- }
-}
-
-void ass_set_hinting(ASS_Renderer *priv, ASS_Hinting ht)
-{
- if (priv->settings.hinting != ht) {
- priv->settings.hinting = ht;
- ass_reconfigure(priv);
- }
-}
-
-void ass_set_line_spacing(ASS_Renderer *priv, double line_spacing)
-{
- priv->settings.line_spacing = line_spacing;
-}
-
-void ass_set_fonts(ASS_Renderer *priv, const char *default_font,
- const char *default_family, int fc, const char *config,
- int update)
-{
- free(priv->settings.default_font);
- free(priv->settings.default_family);
- priv->settings.default_font = default_font ? strdup(default_font) : 0;
- priv->settings.default_family =
- default_family ? strdup(default_family) : 0;
-
- if (priv->fontconfig_priv)
- fontconfig_done(priv->fontconfig_priv);
- priv->fontconfig_priv =
- fontconfig_init(priv->library, priv->ftlibrary, default_family,
- default_font, fc, config, update);
-}
-
-int ass_fonts_update(ASS_Renderer *render_priv)
-{
- return fontconfig_update(render_priv->fontconfig_priv);
-}
-
/**
* \brief Check cache limits and reset cache if they are exceeded
*/
#include "ass_library.h"
#include "ass_drawing.h"
+#define GLYPH_CACHE_MAX 1000
+#define BITMAP_CACHE_MAX_SIZE 30 * 1048576
+
typedef struct {
double xMin;
double xMax;
} Segment;
void reset_render_context(ASS_Renderer *render_priv);
+void ass_free_images(ASS_Image *img);
#endif /* LIBASS_RENDER_H */
--- /dev/null
+/*
+ * Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
+ * Copyright (C) 2010 Grigori Goronzy <greg@geekmind.org>
+ *
+ * This file is part of libass.
+ *
+ * libass is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * libass 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with libass; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "ass_render.h"
+
+static void ass_reconfigure(ASS_Renderer *priv)
+{
+ ASS_Settings *settings = &priv->settings;
+
+ priv->render_id++;
+ priv->cache.glyph_cache =
+ ass_glyph_cache_reset(priv->cache.glyph_cache);
+ priv->cache.bitmap_cache =
+ ass_bitmap_cache_reset(priv->cache.bitmap_cache);
+ priv->cache.composite_cache =
+ ass_composite_cache_reset(priv->cache.composite_cache);
+ ass_free_images(priv->prev_images_root);
+ priv->prev_images_root = 0;
+
+ priv->width = settings->frame_width;
+ priv->height = settings->frame_height;
+ priv->orig_width = settings->frame_width - settings->left_margin -
+ settings->right_margin;
+ priv->orig_height = settings->frame_height - settings->top_margin -
+ settings->bottom_margin;
+ priv->orig_width_nocrop =
+ settings->frame_width - FFMAX(settings->left_margin, 0) -
+ FFMAX(settings->right_margin, 0);
+ priv->orig_height_nocrop =
+ settings->frame_height - FFMAX(settings->top_margin, 0) -
+ FFMAX(settings->bottom_margin, 0);
+}
+
+void ass_set_frame_size(ASS_Renderer *priv, int w, int h)
+{
+ if (priv->settings.frame_width != w || priv->settings.frame_height != h) {
+ priv->settings.frame_width = w;
+ priv->settings.frame_height = h;
+ if (priv->settings.aspect == 0.) {
+ priv->settings.aspect = ((double) w) / h;
+ priv->settings.storage_aspect = ((double) w) / h;
+ }
+ ass_reconfigure(priv);
+ }
+}
+
+void ass_set_margins(ASS_Renderer *priv, int t, int b, int l, int r)
+{
+ if (priv->settings.left_margin != l || priv->settings.right_margin != r ||
+ priv->settings.top_margin != t || priv->settings.bottom_margin != b) {
+ priv->settings.left_margin = l;
+ priv->settings.right_margin = r;
+ priv->settings.top_margin = t;
+ priv->settings.bottom_margin = b;
+ ass_reconfigure(priv);
+ }
+}
+
+void ass_set_use_margins(ASS_Renderer *priv, int use)
+{
+ priv->settings.use_margins = use;
+}
+
+void ass_set_aspect_ratio(ASS_Renderer *priv, double dar, double sar)
+{
+ if (priv->settings.aspect != dar || priv->settings.storage_aspect != sar) {
+ priv->settings.aspect = dar;
+ priv->settings.storage_aspect = sar;
+ ass_reconfigure(priv);
+ }
+}
+
+void ass_set_font_scale(ASS_Renderer *priv, double font_scale)
+{
+ if (priv->settings.font_size_coeff != font_scale) {
+ priv->settings.font_size_coeff = font_scale;
+ ass_reconfigure(priv);
+ }
+}
+
+void ass_set_hinting(ASS_Renderer *priv, ASS_Hinting ht)
+{
+ if (priv->settings.hinting != ht) {
+ priv->settings.hinting = ht;
+ ass_reconfigure(priv);
+ }
+}
+
+void ass_set_line_spacing(ASS_Renderer *priv, double line_spacing)
+{
+ priv->settings.line_spacing = line_spacing;
+}
+
+void ass_set_fonts(ASS_Renderer *priv, const char *default_font,
+ const char *default_family, int fc, const char *config,
+ int update)
+{
+ free(priv->settings.default_font);
+ free(priv->settings.default_family);
+ priv->settings.default_font = default_font ? strdup(default_font) : 0;
+ priv->settings.default_family =
+ default_family ? strdup(default_family) : 0;
+
+ if (priv->fontconfig_priv)
+ fontconfig_done(priv->fontconfig_priv);
+ priv->fontconfig_priv =
+ fontconfig_init(priv->library, priv->ftlibrary, default_family,
+ default_font, fc, config, update);
+}
+
+int ass_fonts_update(ASS_Renderer *render_priv)
+{
+ return fontconfig_update(render_priv->fontconfig_priv);
+}
+
+void ass_set_cache_limits(ASS_Renderer *render_priv, int glyph_max,
+ int bitmap_max)
+{
+ render_priv->cache.glyph_max = glyph_max ? glyph_max : GLYPH_CACHE_MAX;
+ render_priv->cache.bitmap_max_size = bitmap_max ? 1048576 * bitmap_max :
+ BITMAP_CACHE_MAX_SIZE;
+}
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