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-rw-r--r--src/cairo-paginated-surface.c14
-rw-r--r--src/cairo-pdf-surface.c14
-rw-r--r--src/cairo-ps-surface.c13
-rw-r--r--src/cairo-surface-backend-private.h3
-rw-r--r--src/cairo-surface.c30
-rw-r--r--src/cairo-svg-surface.c18
-rw-r--r--src/cairo-win32-printing-surface.c16
-rw-r--r--src/cairo.h4
-rw-r--r--src/cairoint.h1
9 files changed, 112 insertions, 1 deletions
diff --git a/src/cairo-paginated-surface.c b/src/cairo-paginated-surface.c
index 0418e67b..e872e395 100644
--- a/src/cairo-paginated-surface.c
+++ b/src/cairo-paginated-surface.c
@@ -640,6 +640,17 @@ _cairo_paginated_surface_show_text_glyphs (void *abstract_surface,
clip);
}
+static const char **
+_cairo_paginated_surface_get_supported_mime_types (void *abstract_surface)
+{
+ cairo_paginated_surface_t *surface = abstract_surface;
+
+ if (surface->target->backend->get_supported_mime_types)
+ return surface->target->backend->get_supported_mime_types (surface->target);
+
+ return NULL;
+}
+
static cairo_surface_t *
_cairo_paginated_surface_snapshot (void *abstract_other)
{
@@ -691,5 +702,6 @@ static const cairo_surface_backend_t cairo_paginated_surface_backend = {
NULL, /* fill_stroke */
NULL, /* show_glyphs */
_cairo_paginated_surface_has_show_text_glyphs,
- _cairo_paginated_surface_show_text_glyphs
+ _cairo_paginated_surface_show_text_glyphs,
+ _cairo_paginated_surface_get_supported_mime_types,
};
diff --git a/src/cairo-pdf-surface.c b/src/cairo-pdf-surface.c
index 148e6ff7..cf8aab44 100644
--- a/src/cairo-pdf-surface.c
+++ b/src/cairo-pdf-surface.c
@@ -157,6 +157,14 @@ static const char * _cairo_pdf_version_strings[CAIRO_PDF_VERSION_LAST] =
"PDF 1.5"
};
+static const char *_cairo_pdf_supported_mime_types[] =
+{
+ CAIRO_MIME_TYPE_JPEG,
+ CAIRO_MIME_TYPE_JP2,
+ CAIRO_MIME_TYPE_UNIQUE_ID,
+ NULL
+};
+
typedef struct _cairo_pdf_object {
long offset;
} cairo_pdf_object_t;
@@ -7240,6 +7248,11 @@ cleanup:
return status;
}
+static const char **
+_cairo_pdf_surface_get_supported_mime_types (void *abstract_surface)
+{
+ return _cairo_pdf_supported_mime_types;
+}
static void
_cairo_pdf_surface_set_paginated_mode (void *abstract_surface,
@@ -7283,6 +7296,7 @@ static const cairo_surface_backend_t cairo_pdf_surface_backend = {
NULL, /* show_glyphs */
_cairo_pdf_surface_has_show_text_glyphs,
_cairo_pdf_surface_show_text_glyphs,
+ _cairo_pdf_surface_get_supported_mime_types,
};
static const cairo_paginated_surface_backend_t
diff --git a/src/cairo-ps-surface.c b/src/cairo-ps-surface.c
index 8fdc46f7..f71b079f 100644
--- a/src/cairo-ps-surface.c
+++ b/src/cairo-ps-surface.c
@@ -144,6 +144,12 @@ static const char * _cairo_ps_level_strings[CAIRO_PS_LEVEL_LAST] =
"PS Level 3"
};
+static const char *_cairo_ps_supported_mime_types[] =
+{
+ CAIRO_MIME_TYPE_JPEG,
+ NULL
+};
+
typedef struct _cairo_page_standard_media {
const char *name;
int width;
@@ -4155,6 +4161,12 @@ cleanup_composite:
return status;
}
+static const char **
+_cairo_ps_surface_get_supported_mime_types (void *abstract_surface)
+{
+ return _cairo_ps_supported_mime_types;
+}
+
static void
_cairo_ps_surface_set_paginated_mode (void *abstract_surface,
cairo_paginated_mode_t paginated_mode)
@@ -4304,6 +4316,7 @@ static const cairo_surface_backend_t cairo_ps_surface_backend = {
NULL, /* show_glyphs */
_cairo_ps_surface_has_show_text_glyphs,
_cairo_ps_surface_show_text_glyphs,
+ _cairo_ps_surface_get_supported_mime_types,
};
static const cairo_paginated_surface_backend_t cairo_ps_surface_paginated_backend = {
diff --git a/src/cairo-surface-backend-private.h b/src/cairo-surface-backend-private.h
index 03468cc7..1f076e22 100644
--- a/src/cairo-surface-backend-private.h
+++ b/src/cairo-surface-backend-private.h
@@ -192,6 +192,9 @@ struct _cairo_surface_backend {
cairo_text_cluster_flags_t cluster_flags,
cairo_scaled_font_t *scaled_font,
const cairo_clip_t *clip);
+
+ const char **
+ (*get_supported_mime_types) (void *surface);
};
CAIRO_END_DECLS
diff --git a/src/cairo-surface.c b/src/cairo-surface.c
index 2607f299..99a0777e 100644
--- a/src/cairo-surface.c
+++ b/src/cairo-surface.c
@@ -1193,6 +1193,36 @@ cairo_surface_set_mime_data (cairo_surface_t *surface,
}
slim_hidden_def (cairo_surface_set_mime_data);
+/**
+ * cairo_surface_supports_mime_type:
+ * @surface: a #cairo_surface_t
+ * @mime_type: the mime type
+ *
+ * Return whether @surface supports @mime_type.
+ *
+ * Since: 1.12
+ **/
+cairo_bool_t
+cairo_surface_supports_mime_type (cairo_surface_t *surface,
+ const char *mime_type)
+{
+ const char **types;
+
+ if (surface->backend->get_supported_mime_types) {
+ types = surface->backend->get_supported_mime_types (surface);
+ if (types) {
+ while (*types) {
+ if (strcmp (*types, mime_type) == 0)
+ return TRUE;
+ types++;
+ }
+ }
+ }
+
+ return FALSE;
+}
+slim_hidden_def (cairo_surface_supports_mime_type);
+
static void
_cairo_mime_data_reference (const void *key, void *elt, void *closure)
{
diff --git a/src/cairo-svg-surface.c b/src/cairo-svg-surface.c
index eab50c88..c5a02c23 100644
--- a/src/cairo-svg-surface.c
+++ b/src/cairo-svg-surface.c
@@ -87,6 +87,14 @@ static const cairo_svg_version_t _cairo_svg_versions[] =
#define CAIRO_SVG_VERSION_LAST ARRAY_LENGTH (_cairo_svg_versions)
+static const char *_cairo_svg_supported_mime_types[] =
+{
+ CAIRO_MIME_TYPE_JPEG,
+ CAIRO_MIME_TYPE_PNG,
+ CAIRO_MIME_TYPE_URI,
+ NULL
+};
+
static void
_cairo_svg_surface_emit_path (cairo_output_stream_t *output,
const cairo_path_fixed_t *path,
@@ -2577,6 +2585,13 @@ _cairo_svg_surface_get_font_options (void *abstract_surface,
_cairo_font_options_set_round_glyph_positions (options, CAIRO_ROUND_GLYPH_POS_OFF);
}
+
+static const char **
+_cairo_svg_surface_get_supported_mime_types (void *abstract_surface)
+{
+ return _cairo_svg_supported_mime_types;
+}
+
static const cairo_surface_backend_t cairo_svg_surface_backend = {
CAIRO_SURFACE_TYPE_SVG,
_cairo_svg_surface_finish,
@@ -2607,6 +2622,9 @@ static const cairo_surface_backend_t cairo_svg_surface_backend = {
_cairo_svg_surface_fill,
_cairo_svg_surface_fill_stroke,
_cairo_svg_surface_show_glyphs,
+ NULL, /* has_show_text_glyphs */
+ NULL, /* show_text_glyphs */
+ _cairo_svg_surface_get_supported_mime_types,
};
static cairo_status_t
diff --git a/src/cairo-win32-printing-surface.c b/src/cairo-win32-printing-surface.c
index 296e6265..931ae0f5 100644
--- a/src/cairo-win32-printing-surface.c
+++ b/src/cairo-win32-printing-surface.c
@@ -91,6 +91,13 @@
#define PELS_72DPI ((LONG)(72. / 0.0254))
+static const char *_cairo_win32_printing_supported_mime_types[] =
+{
+ CAIRO_MIME_TYPE_JPEG,
+ CAIRO_MIME_TYPE_PNG,
+ NULL
+};
+
static const cairo_surface_backend_t cairo_win32_printing_surface_backend;
static const cairo_paginated_surface_backend_t cairo_win32_surface_paginated_backend;
@@ -1655,6 +1662,12 @@ _cairo_win32_printing_surface_show_glyphs (void *abstract_surfac
return status;
}
+static const char **
+_cairo_win32_printing_surface_get_supported_mime_types (void *abstract_surface)
+{
+ return _cairo_win32_printing_supported_mime_types;
+}
+
static cairo_surface_t *
_cairo_win32_printing_surface_create_similar (void *abstract_surface,
cairo_content_t content,
@@ -1887,6 +1900,9 @@ static const cairo_surface_backend_t cairo_win32_printing_surface_backend = {
_cairo_win32_printing_surface_fill,
NULL, /* fill/stroke */
_cairo_win32_printing_surface_show_glyphs,
+ NULL, /* has_show_text_glyphs */
+ NULL, /* show_text_glyphs */
+ _cairo_win32_printing_surface_get_supported_mime_types,
};
static const cairo_paginated_surface_backend_t cairo_win32_surface_paginated_backend = {
diff --git a/src/cairo.h b/src/cairo.h
index d5f58618..a64a8a00 100644
--- a/src/cairo.h
+++ b/src/cairo.h
@@ -2370,6 +2370,10 @@ cairo_surface_set_mime_data (cairo_surface_t *surface,
cairo_destroy_func_t destroy,
void *closure);
+cairo_public cairo_bool_t
+cairo_surface_supports_mime_type (cairo_surface_t *surface,
+ const char *mime_type);
+
cairo_public void
cairo_surface_get_font_options (cairo_surface_t *surface,
cairo_font_options_t *options);
diff --git a/src/cairoint.h b/src/cairoint.h
index f08462c1..d3ad9037 100644
--- a/src/cairoint.h
+++ b/src/cairoint.h
@@ -1898,6 +1898,7 @@ slim_hidden_proto (cairo_surface_set_fallback_resolution);
slim_hidden_proto (cairo_surface_set_mime_data);
slim_hidden_proto (cairo_surface_show_page);
slim_hidden_proto (cairo_surface_status);
+slim_hidden_proto (cairo_surface_supports_mime_type);
slim_hidden_proto (cairo_surface_unmap_image);
slim_hidden_proto (cairo_text_cluster_allocate);
slim_hidden_proto (cairo_text_cluster_free);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 02:25:30 +0000