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[trace] Runtime version check.

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Check that the application is using cairo >= 1.9 before attempting to
query the mime-data.
This commit is contained in:
Chris Wilson 2008-12-17 23:52:32 +00:00
parent 2d790daa95
commit 9b46d13b6c
1 changed files with 25 additions and 22 deletions
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47
util/cairo-trace/trace.c
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@ -1137,11 +1137,6 @@ _emit_image (cairo_surface_t *image,
uint8_t *rowdata;
uint8_t *data;
struct _data_stream stream;
const char *mime_types[] = {
CAIRO_MIME_TYPE_JPEG,
CAIRO_MIME_TYPE_PNG,
NULL
}, **mime_type;
if (cairo_surface_status (image)) {
fprintf (logfile,
@ -1173,24 +1168,32 @@ _emit_image (cairo_surface_t *image,
va_end (ap);
}
for (mime_type = mime_types; *mime_type; mime_type++) {
const unsigned char *mime_data;
unsigned int mime_length;
if (cairo_version () >= CAIRO_VERSION_ENCODE (1, 9, 0)) {
const char *mime_types[] = {
CAIRO_MIME_TYPE_JPEG,
CAIRO_MIME_TYPE_PNG,
NULL
}, **mime_type;
cairo_surface_get_mime_data (image, *mime_type,
&mime_data, &mime_length);
if (mime_data != NULL) {
fprintf (logfile,
" /mime-type (%s) set\n"
" /source <~",
*mime_type);
_write_base85_data_start (&stream);
_write_base85_data (&stream, mime_data, mime_length);
_write_base85_data_end (&stream);
fprintf (logfile,
"~> set\n"
" image");
return;
for (mime_type = mime_types; *mime_type; mime_type++) {
const unsigned char *mime_data;
unsigned int mime_length;
cairo_surface_get_mime_data (image, *mime_type,
&mime_data, &mime_length);
if (mime_data != NULL) {
fprintf (logfile,
" /mime-type (%s) set\n"
" /source <~",
*mime_type);
_write_base85_data_start (&stream);
_write_base85_data (&stream, mime_data, mime_length);
_write_base85_data_end (&stream);
fprintf (logfile,
"~> set\n"
" image");
return;
}
}
}