static int http_on_header_field(http_parser* parser, const char* field, size_t len) {
Connection* connection = (Connection*) parser->data;
if (!circa_is_null(&connection->httpPendingHeaderValue))
http_flush_finished_header(connection);
circa_string_append_len(&connection->httpPendingHeaderField, field, len);
return 0;
}
void fill_audio(void *udata, Uint8 *stream, int numBytes)
{
uint16_t* samples = (uint16_t*) stream;
int sampleCount = numBytes / 4;
if (circa_is_null(&audio->currentEffect)) {
memset(stream, 0, numBytes);
return;
}
char* effectBytes;
uint32_t effectNumBytes;
circa_blob_data(&audio->currentEffect, &effectBytes, &effectNumBytes);
int remainingEffectBytes = effectNumBytes - audio->effectPos;
if (remainingEffectBytes <= 0) {
circa_set_null(&audio->currentEffect);
memset(stream, 0, numBytes);
return;
}
if (remainingEffectBytes > numBytes)
remainingEffectBytes = numBytes;
memcpy(stream, effectBytes + audio->effectPos, remainingEffectBytes);
audio->effectPos += remainingEffectBytes;
}
static void http_flush_finished_header(Connection* connection)
{
if (!circa_is_null(&connection->httpPendingHeaderField)) {
circa_move(&connection->httpPendingHeaderValue,
circa_map_insert_move(&connection->httpHeaders, &connection->httpPendingHeaderField));
}
}
void load_font(caStack* stack)
{
caValue* filename = circa_input(stack, 0);
FontFace* font = new FontFace();
circa_read_file_with_stack(stack, circa_string(filename), &font->rawData);
if (circa_is_null(&font->rawData))
return circa_output_error(stack, "Failed to load file");
if (!g_ftLibraryInitialized) {
FT_Init_FreeType(&g_ftLibrary);
g_ftLibraryInitialized = true;
}
int error = FT_New_Memory_Face(g_ftLibrary,
(FT_Byte*) circa_blob(&font->rawData),
circa_blob_size(&font->rawData),
0,
&font->ftFace);
if (error)
return circa_output_error(stack, "FT_New_Memory_Face failed");
font->cairoFace = cairo_ft_font_face_create_for_ft_face(font->ftFace, 0);
caValue* out = circa_set_default_output(stack, 0);
circa_set_native_ptr(circa_index(out, 0), font, FontFaceRelease);
}