/* cairo-trace - a utility to record and replay calls to the Cairo library. * * Copyright © 2008 Chris Wilson * * This program 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 3 of the License, or * (at your option) any later version. * * This program 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 this program. If not, see . */ #define _GNU_SOURCE #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #if CAIRO_HAS_FT_FONT # include #endif #ifndef CAIRO_TRACE_OUTDIR #define CAIRO_TRACE_OUTDIR "." #endif #if HAVE_BYTESWAP_H # include #endif #ifndef bswap_16 # define bswap_16(p) \ (((((uint16_t)(p)) & 0x00ff) << 8) | \ (((uint16_t)(p)) >> 8)); #endif #ifndef bswap_32 # define bswap_32(p) \ (((((uint32_t)(p)) & 0x000000ff) << 24) | \ ((((uint32_t)(p)) & 0x0000ff00) << 8) | \ ((((uint32_t)(p)) & 0x00ff0000) >> 8) | \ ((((uint32_t)(p))) >> 24)); #endif #include "lookup-symbol.h" /* Reverse the bits in a byte with 7 operations (no 64-bit): * Devised by Sean Anderson, July 13, 2001. * Source: http://graphics.stanford.edu/~seander/bithacks.html#ReverseByteWith32Bits */ #define CAIRO_BITSWAP8(c) ((((c) * 0x0802LU & 0x22110LU) | ((c) * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16) #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4) #define CAIRO_PRINTF_FORMAT(fmt_index, va_index) \ __attribute__((__format__(__printf__, fmt_index, va_index))) #else #define CAIRO_PRINTF_FORMAT(fmt_index, va_index) #endif /* XXX implement manual vprintf so that the user can control precision of * printed numbers. */ #define DLCALL(name, args...) ({ \ static typeof (&name) name##_real; \ if (name##_real == NULL) \ name##_real = dlsym (RTLD_NEXT, #name); \ (*name##_real) (args); \ }) #define ARRAY_SIZE(a) (sizeof (a) / sizeof (a[0])) #define ARRAY_LENGTH(a) ((int) ARRAY_SIZE(a)) #if SIZEOF_VOID_P == 4 #define PTR_SHIFT 2 #elif SIZEOF_VOID_P == 8 #define PTR_SHIFT 3 #else #error Unexpected pointer size #endif #define BUCKET(b, ptr) (((unsigned long) (ptr) >> PTR_SHIFT) % ARRAY_LENGTH (b)) #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) #define _BOOLEAN_EXPR(expr) \ __extension__ ({ \ int _boolean_var_; \ if (expr) \ _boolean_var_ = 1; \ else \ _boolean_var_ = 0; \ _boolean_var_; \ }) #define LIKELY(expr) (__builtin_expect (_BOOLEAN_EXPR(expr), 1)) #define UNLIKELY(expr) (__builtin_expect (_BOOLEAN_EXPR(expr), 0)) #else #define LIKELY(expr) (expr) #define UNLIKELY(expr) (expr) #endif typedef struct _object Object; typedef struct _type Type; struct _object { const void *addr; Type *type; unsigned long int token; int width, height; bool foreign; bool defined; int operand; void *data; void (*destroy)(void *); Object *next, *prev; }; struct _type { const char *name; enum operand_type { NONE, SURFACE, CONTEXT, FONT_FACE, PATTERN, SCALED_FONT, _N_OP_TYPES } op_type; const char *op_code; pthread_mutex_t mutex; struct _bitmap { unsigned long int min; unsigned long int count; unsigned int map[64]; struct _bitmap *next; } map; Object *objects[607]; Type *next; }; static struct _type_table { pthread_mutex_t mutex; Type *op_types[_N_OP_TYPES]; } Types; static FILE *logfile; static bool _flush; static bool _error; static bool _line_info; static const cairo_user_data_key_t destroy_key; #if __GNUC__ >= 3 #define _emit_line_info() do { \ if (_line_info && _write_lock ()) { \ void *addr = __builtin_return_address(0); \ char caller[1024]; \ fprintf (logfile, "%% %s() called by %s\n", __FUNCTION__, \ lookup_symbol (caller, sizeof (caller), addr)); \ _write_unlock (); \ } \ } while (0) #else #define _emit_line_info() #endif static void _type_release_token (Type *t, unsigned long int token) { struct _bitmap *b, **prev = NULL; b = &t->map; while (b != NULL) { if (token < b->min + sizeof (b->map) * CHAR_BIT) { unsigned int bit, elem; token -= b->min; elem = token / (sizeof (b->map[0]) * CHAR_BIT); bit = token % (sizeof (b->map[0]) * CHAR_BIT); b->map[elem] &= ~(1 << bit); if (! --b->count && prev) { *prev = b->next; free (b); } return; } prev = &b->next; b = b->next; } } static unsigned long int _type_next_token (Type *t) { struct _bitmap *b, *bb, **prev = NULL; unsigned long int min = 0; b = &t->map; while (b != NULL) { if (b->min != min) break; if (b->count < sizeof (b->map) * CHAR_BIT) { unsigned int n, m, bit; for (n = 0; n < ARRAY_SIZE (b->map); n++) { if (b->map[n] == (unsigned int) -1) continue; for (m=0, bit=1; mmap[0])*CHAR_BIT; m++, bit<<=1) { if ((b->map[n] & bit) == 0) { b->map[n] |= bit; b->count++; return n * sizeof (b->map[0])*CHAR_BIT + m + b->min; } } } } min += sizeof (b->map) * CHAR_BIT; prev = &b->next; b = b->next; } bb = malloc (sizeof (struct _bitmap)); *prev = bb; bb->next = b; bb->min = min; bb->count = 1; bb->map[0] = 0x1; memset (bb->map + 1, 0, sizeof (bb->map) - sizeof (bb->map[0])); return min; } static void _object_destroy (Object *obj) { int bucket; pthread_mutex_lock (&obj->type->mutex); bucket = BUCKET (obj->type->objects, obj->addr); _type_release_token (obj->type, obj->token); if (obj->prev != NULL) obj->prev->next = obj->next; else obj->type->objects[bucket] = obj->next; if (obj->next != NULL) obj->next->prev = obj->prev; pthread_mutex_unlock (&obj->type->mutex); if (obj->data != NULL && obj->destroy != NULL) obj->destroy (obj->data); free (obj); } static void _type_create (const char *typename, enum operand_type op_type, const char *op_code) { Type *t; pthread_mutex_lock (&Types.mutex); t = malloc (sizeof (Type)); t->name = typename; t->op_type = op_type; t->op_code = op_code; pthread_mutex_init (&t->mutex, NULL); t->map.min = 0; t->map.count = 0; memset (t->map.map, 0, sizeof (t->map.map)); t->map.next = NULL; memset (t->objects, 0, sizeof (t->objects)); t->next = NULL; Types.op_types[op_type] = t; pthread_mutex_unlock (&Types.mutex); } static Type * _get_type (enum operand_type type) { return Types.op_types[type]; } static void _type_destroy (Type *t) { int n; struct _bitmap *b; for (n = 0; n < ARRAY_LENGTH (t->objects); n++) { Object *obj = t->objects[n]; while (obj != NULL) { Object *next = obj->next; _object_destroy (obj); obj = next; } } b = t->map.next; while (b != NULL) { struct _bitmap *next = b->next; free (b); b = next; } pthread_mutex_destroy (&t->mutex); free (t); } static Object * _type_get_object (Type *type, const void *ptr) { Object *obj; int bucket = BUCKET (type->objects, ptr); for (obj = type->objects[bucket]; obj != NULL; obj = obj->next) { if (obj->addr == ptr) { if (obj->prev != NULL) { /* mru */ obj->prev->next = obj->next; if (obj->next != NULL) obj->next->prev = obj->prev; obj->prev = NULL; type->objects[bucket]->prev = obj; obj->next = type->objects[bucket]; type->objects[bucket] = obj; } return obj; } } return NULL; } static Object * _object_create (Type *type, const void *ptr) { Object *obj; int bucket = BUCKET (type->objects, ptr); obj = malloc (sizeof (Object)); obj->defined = false; obj->foreign = false; obj->operand = -1; obj->type = type; obj->addr = ptr; obj->token = _type_next_token (type); obj->data = NULL; obj->destroy = NULL; obj->prev = NULL; obj->next = type->objects[bucket]; if (type->objects[bucket] != NULL) type->objects[bucket]->prev = obj; type->objects[bucket] = obj; return obj; } static void __attribute__ ((constructor)) _init_trace (void) { pthread_mutex_init (&Types.mutex, NULL); _type_create ("unclassed", NONE, ""); _type_create ("cairo_t", CONTEXT, "c"); _type_create ("cairo_font_face_t", FONT_FACE, "f"); _type_create ("cairo_pattern_t", PATTERN, "p"); _type_create ("cairo_scaled_font_t", SCALED_FONT, "sf"); _type_create ("cairo_surface_t", SURFACE, "s"); } static void _close_trace (void) { if (logfile != NULL) { fclose (logfile); logfile = NULL; } } static void __attribute__ ((destructor)) _fini_trace (void) { int n; _close_trace (); for (n = 0; n < ARRAY_LENGTH (Types.op_types); n++) { if (Types.op_types[n]) { _type_destroy (Types.op_types[n]); Types.op_types[n] = NULL; } } pthread_mutex_destroy (&Types.mutex); } static void get_prog_name (char *buf, int length) { FILE *file = fopen ("/proc/self/cmdline", "rb"); *buf = '\0'; if (file != NULL) { char *slash; slash = fgets (buf, length, file); fclose (file); if (slash == NULL) return; slash = strrchr (buf, '/'); if (slash != NULL) { int len = strlen (slash+1); memmove (buf, slash+1, len+1); } } } static void _emit_header (void) { char name[4096] = ""; get_prog_name (name, sizeof (name)); fprintf (logfile, "%%!CairoScript - %s\n", name); fprintf (logfile, "%%*** Warning CairoScript is still a new tracing format, and is subject to change.\n"); } static bool _init_logfile (void) { static bool initialized; const char *filename; const char *env; if (initialized) return logfile != NULL; initialized = true; env = getenv ("CAIRO_TRACE_FLUSH"); if (env != NULL) _flush = atoi (env); _line_info = true; env = getenv ("CAIRO_TRACE_LINE_INFO"); if (env != NULL) _line_info = atoi (env); filename = getenv ("CAIRO_TRACE_FD"); if (filename != NULL) { int fd = atoi (filename); logfile = fdopen (fd, "w"); if (logfile == NULL) { fprintf (stderr, "Failed to open trace file descriptor '%s': %s", filename, strerror (errno)); return false; } goto done; } filename = getenv ("CAIRO_TRACE_OUTFILE_EXACT"); if (filename == NULL) { char buf[4096], name[4096] = ""; filename = getenv ("CAIRO_TRACE_OUTDIR"); if (filename == NULL) filename = CAIRO_TRACE_OUTDIR; get_prog_name (name, sizeof (name)); if (*name == '\0') strcpy (name, "cairo-trace.dat"); snprintf (buf, sizeof (buf), "%s/%s.%d.trace", filename, name, getpid()); filename = buf; } logfile = fopen (filename, "wb"); if (logfile == NULL) { fprintf (stderr, "Failed to open trace file '%s': %s", filename, strerror (errno)); return false; } done: atexit (_close_trace); _emit_header (); return true; } static bool _write_lock (void) { if (_error) return false; if (! _init_logfile ()) return false; flockfile (logfile); return true; } static void _write_unlock (void) { if (logfile == NULL) return; funlockfile (logfile); if (_flush) fflush (logfile); } static Object * _type_object_create (enum operand_type op_type, const void *ptr) { Type *type; Object *obj; type = _get_type (op_type); pthread_mutex_lock (&type->mutex); obj = _object_create (type, ptr); pthread_mutex_unlock (&type->mutex); return obj; } static Object * _get_object (enum operand_type op_type, const void *ptr) { Type *type; Object *obj; type = _get_type (op_type); pthread_mutex_lock (&type->mutex); obj = _type_get_object (type, ptr); pthread_mutex_unlock (&type->mutex); return obj; } static Object *current_object[2048]; /* XXX limit operand stack */ static int current_stack_depth; static void _consume_operand (void) { Object *obj; obj = current_object[--current_stack_depth]; if (! obj->defined) { fprintf (logfile, "dup /%s%ld exch def\n", obj->type->op_code, obj->token); obj->defined = true; } obj->operand = -1; } static void _exch_operands (void) { Object *tmp; tmp = current_object[current_stack_depth-1]; tmp->operand--; current_object[current_stack_depth-1] = current_object[current_stack_depth-2]; current_object[current_stack_depth-2] = tmp; tmp = current_object[current_stack_depth-1]; tmp->operand++; } static bool _pop_operands_to_object (Object *obj) { if (obj->operand == -1) return false; if (obj->operand == current_stack_depth - 2) { _exch_operands (); fprintf (logfile, "exch "); return true; } while (current_stack_depth > obj->operand + 1) { Object *c_obj; c_obj = current_object[--current_stack_depth]; c_obj->operand = -1; if (! c_obj->defined) { fprintf (logfile, "/%s%ld exch def\n", c_obj->type->op_code, c_obj->token); c_obj->defined = true; } else { fprintf (logfile, "pop %% %s%ld\n", c_obj->type->op_code, c_obj->token); } } return true; } static bool _pop_operands_to (enum operand_type t, const void *ptr) { return _pop_operands_to_object (_get_object (t, ptr)); } static bool _is_current_object (Object *obj, int depth) { if (current_stack_depth <= depth) return false; return current_object[current_stack_depth-depth-1] == obj; } static bool _is_current (enum operand_type type, const void *ptr, int depth) { return _is_current_object (_get_object (type, ptr), depth); } static void _push_operand (enum operand_type t, const void *ptr) { Object *obj = _get_object (t, ptr); obj->operand = current_stack_depth; current_object[current_stack_depth++] = obj; } static void _object_undef (void *ptr) { Object *obj = ptr; if (_write_lock ()) { if (obj->operand != -1) { if (obj->operand == current_stack_depth - 1) { fprintf (logfile, "pop %% %s%ld destroyed\n", obj->type->op_code, obj->token); } else if (obj->operand == current_stack_depth - 2) { _exch_operands (); fprintf (logfile, "exch pop %% %s%ld destroyed\n", obj->type->op_code, obj->token); } else { int n; fprintf (logfile, "%d -1 roll pop %% %s%ld destroyed\n", current_stack_depth - obj->operand, obj->type->op_code, obj->token); for (n = obj->operand; n < current_stack_depth - 1; n++) { current_object[n] = current_object[n+1]; current_object[n]->operand = n; } } current_stack_depth--; } if (obj->defined) { fprintf (logfile, "/%s%ld undef\n", obj->type->op_code, obj->token); } _write_unlock (); } _object_destroy (obj); } static long _create_context_id (cairo_t *cr) { Object *obj; obj = _get_object (CONTEXT, cr); if (obj == NULL) { obj = _type_object_create (CONTEXT, cr); DLCALL (cairo_set_user_data, cr, &destroy_key, obj, _object_undef); } return obj->token; } static long _get_id (enum operand_type op_type, const void *ptr) { Object *obj; obj = _get_object (op_type, ptr); if (obj == NULL) { if (logfile != NULL) { fprintf (logfile, "%% Unknown object of type %s, trace is incomplete.", _get_type (op_type)->name); } _error = true; return -1; } return obj->token; } static bool _has_id (enum operand_type op_type, const void *ptr) { return _get_object (op_type, ptr) != NULL; } static long _get_context_id (cairo_t *cr) { return _get_id (CONTEXT, cr); } static long _create_font_face_id (cairo_font_face_t *font_face) { Object *obj; obj = _get_object (FONT_FACE, font_face); if (obj == NULL) { obj = _type_object_create (FONT_FACE, font_face); DLCALL (cairo_font_face_set_user_data, font_face, &destroy_key, obj, _object_undef); } return obj->token; } static long _get_font_face_id (cairo_font_face_t *font_face) { return _get_id (FONT_FACE, font_face); } static bool _has_font_face_id (cairo_font_face_t *font_face) { return _has_id (FONT_FACE, font_face); } static void _emit_font_face_id (cairo_font_face_t *font_face) { Object *obj = _get_object (FONT_FACE, font_face); if (obj == NULL) { fprintf (logfile, "null "); } else { if (obj->defined) { fprintf (logfile, "f%ld ", obj->token); } else { fprintf (logfile, "%d index ", current_stack_depth - obj->operand - 1); } } } static bool _has_pattern_id (cairo_pattern_t *pattern) { return _has_id (PATTERN, pattern); } static long _create_pattern_id (cairo_pattern_t *pattern) { Object *obj; obj = _get_object (PATTERN, pattern); if (obj == NULL) { obj = _type_object_create (PATTERN, pattern); DLCALL (cairo_pattern_set_user_data, pattern, &destroy_key, obj, _object_undef); } return obj->token; } static long _get_pattern_id (cairo_pattern_t *pattern) { return _get_id (PATTERN, pattern); } static void _emit_pattern_id (cairo_pattern_t *pattern) { Object *obj = _get_object (PATTERN, pattern); if (obj == NULL) { fprintf (logfile, "null "); } else { if (obj->defined) { fprintf (logfile, "p%ld ", obj->token); } else { fprintf (logfile, "%d index ", current_stack_depth - obj->operand - 1); } } } static long _create_scaled_font_id (cairo_scaled_font_t *font) { Object *obj; obj = _get_object (SCALED_FONT, font); if (obj == NULL) { obj = _type_object_create (SCALED_FONT, font); DLCALL (cairo_scaled_font_set_user_data, font, &destroy_key, obj, _object_undef); } return obj->token; } static long _get_scaled_font_id (const cairo_scaled_font_t *font) { return _get_id (SCALED_FONT, font); } static bool _has_scaled_font_id (const cairo_scaled_font_t *font) { return _has_id (SCALED_FONT, font); } static bool _has_surface_id (const cairo_surface_t *surface) { return _has_id (SURFACE, surface); } static long _create_surface_id (cairo_surface_t *surface) { Object *obj; obj = _get_object (SURFACE, surface); if (obj == NULL) { obj = _type_object_create (SURFACE, surface); DLCALL (cairo_surface_set_user_data, surface, &destroy_key, obj, _object_undef); } return obj->token; } static long _get_surface_id (cairo_surface_t *surface) { return _get_id (SURFACE, surface); } static bool _matrix_is_identity (const cairo_matrix_t *m) { return m->xx == 1. && m->yx == 0. && m->xy == 0. && m->yy == 1. && m->x0 == 0. && m->y0 == 0.; } #define BUFFER_SIZE 16384 struct _data_stream { z_stream zlib_stream; unsigned char zin_buf[BUFFER_SIZE]; unsigned char zout_buf[BUFFER_SIZE]; unsigned char four_tuple[4]; int base85_pending; }; static void _write_zlib_data_start (struct _data_stream *stream) { stream->zlib_stream.zalloc = Z_NULL; stream->zlib_stream.zfree = Z_NULL; stream->zlib_stream.opaque = Z_NULL; deflateInit (&stream->zlib_stream, Z_DEFAULT_COMPRESSION); stream->zlib_stream.next_in = stream->zin_buf; stream->zlib_stream.avail_in = 0; stream->zlib_stream.next_out = stream->zout_buf; stream->zlib_stream.avail_out = BUFFER_SIZE; } static void _write_base85_data_start (struct _data_stream *stream) { stream->base85_pending = 0; } static void _write_data_start (struct _data_stream *stream) { _write_zlib_data_start (stream); _write_base85_data_start (stream); fprintf (logfile, "<~"); } static bool _expand_four_tuple_to_five (unsigned char four_tuple[4], unsigned char five_tuple[5]) { uint32_t value; int digit, i; bool all_zero = true; value = four_tuple[0] << 24 | four_tuple[1] << 16 | four_tuple[2] << 8 | four_tuple[3] << 0; for (i = 0; i < 5; i++) { digit = value % 85; if (digit != 0 && all_zero) all_zero = false; five_tuple[4-i] = digit + 33; value = value / 85; } return all_zero; } static void _write_base85_data (struct _data_stream *stream, const unsigned char *data, unsigned int length) { const unsigned char *ptr = data; unsigned char five_tuple[5]; bool is_zero; int ret; while (length--) { stream->four_tuple[stream->base85_pending++] = *ptr++; if (stream->base85_pending == 4) { is_zero = _expand_four_tuple_to_five (stream->four_tuple, five_tuple); if (is_zero) ret = fwrite ("z", 1, 1, logfile); else ret = fwrite (five_tuple, 5, 1, logfile); stream->base85_pending = 0; } } } static void _write_zlib_data (struct _data_stream *stream, bool flush) { bool finished; do { int ret = deflate (&stream->zlib_stream, flush ? Z_FINISH : Z_NO_FLUSH); if (flush || stream->zlib_stream.avail_out == 0) { _write_base85_data (stream, stream->zout_buf, BUFFER_SIZE - stream->zlib_stream.avail_out); stream->zlib_stream.next_out = stream->zout_buf; stream->zlib_stream.avail_out = BUFFER_SIZE; } finished = true; if (stream->zlib_stream.avail_in != 0) finished = false; if (flush && ret != Z_STREAM_END) finished = false; } while (! finished); stream->zlib_stream.next_in = stream->zin_buf; } static void _write_data (struct _data_stream *stream, const void *data, unsigned int length) { unsigned int count; const unsigned char *p = data; while (length) { count = length; if (count > BUFFER_SIZE - stream->zlib_stream.avail_in) count = BUFFER_SIZE - stream->zlib_stream.avail_in; memcpy (stream->zin_buf + stream->zlib_stream.avail_in, p, count); p += count; stream->zlib_stream.avail_in += count; length -= count; if (stream->zlib_stream.avail_in == BUFFER_SIZE) _write_zlib_data (stream, false); } } static void _write_zlib_data_end (struct _data_stream *stream) { _write_zlib_data (stream, true); deflateEnd (&stream->zlib_stream); } static void _write_base85_data_end (struct _data_stream *stream) { unsigned char five_tuple[5]; int ret; if (stream->base85_pending) { memset (stream->four_tuple + stream->base85_pending, 0, 4 - stream->base85_pending); _expand_four_tuple_to_five (stream->four_tuple, five_tuple); ret = fwrite (five_tuple, stream->base85_pending+1, 1, logfile); } } static void _write_data_end (struct _data_stream *stream) { _write_zlib_data_end (stream); _write_base85_data_end (stream); fprintf (logfile, "~>"); } static void _emit_data (const void *data, unsigned int length) { struct _data_stream stream; _write_data_start (&stream); _write_data (&stream, data, length); _write_data_end (&stream); } static const char * _format_to_string (cairo_format_t format) { const char *names[] = { "ARGB32", /* CAIRO_FORMAT_ARGB32 */ "RGB24", /* CAIRO_FORMAT_RGB24 */ "A8", /* CAIRO_FORMAT_A8 */ "A1" /* CAIRO_FORMAT_A1 */ }; return names[format]; } static const char * _status_to_string (cairo_status_t status) { const char *names[] = { "STATUS_SUCCESS", "STATUS_NO_MEMORY", "STATUS_INVALID_RESTORE", "STATUS_INVALID_POP_GROUP", "STATUS_NO_CURRENT_POINT", "STATUS_INVALID_MATRIX", "STATUS_INVALID_STATUS", "STATUS_NULL_POINTER", "STATUS_INVALID_STRING", "STATUS_INVALID_PATH_DATA", "STATUS_READ_ERROR", "STATUS_WRITE_ERROR", "STATUS_SURFACE_FINISHED", "STATUS_SURFACE_TYPE_MISMATCH", "STATUS_PATTERN_TYPE_MISMATCH", "STATUS_INVALID_CONTENT", "STATUS_INVALID_FORMAT", "STATUS_INVALID_VISUAL", "STATUS_FILE_NOT_FOUND", "STATUS_INVALID_DASH", "STATUS_INVALID_DSC_COMMENT", "STATUS_INVALID_INDEX", "STATUS_CLIP_NOT_REPRESENTABLE", "STATUS_TEMP_FILE_ERROR", "STATUS_INVALID_STRIDE", "STATUS_FONT_TYPE_MISMATCH", "STATUS_USER_FONT_IMMUTABLE", "STATUS_USER_FONT_ERROR", "STATUS_NEGATIVE_COUNT", "STATUS_INVALID_CLUSTERS", "STATUS_INVALID_SLANT", "STATUS_INVALID_WEIGHT" }; return names[status]; } static void CAIRO_PRINTF_FORMAT(2, 3) _emit_image (cairo_surface_t *image, const char *info, ...) { int stride, row, width, height; cairo_format_t format; uint8_t row_stack[BUFFER_SIZE]; uint8_t *rowdata; uint8_t *data; struct _data_stream stream; if (cairo_surface_status (image)) { fprintf (logfile, "dict\n" " /status //%s set\n" " image", _status_to_string (cairo_surface_status (image))); return; } width = cairo_image_surface_get_width (image); height = cairo_image_surface_get_height (image); stride = cairo_image_surface_get_stride (image); format = cairo_image_surface_get_format (image); data = cairo_image_surface_get_data (image); fprintf (logfile, "dict\n" " /width %d set\n" " /height %d set\n" " /format //%s set\n", width, height, _format_to_string (format)); if (info != NULL) { va_list ap; va_start (ap, info); vfprintf (logfile, info, ap); va_end (ap); } if (cairo_version () >= CAIRO_VERSION_ENCODE (1, 9, 0)) { const char *mime_types[] = { CAIRO_MIME_TYPE_JPEG, CAIRO_MIME_TYPE_PNG, NULL }, **mime_type; 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; } } } fprintf (logfile, " /source "); _write_data_start (&stream); #ifdef WORDS_BIGENDIAN switch (format) { case CAIRO_FORMAT_A1: for (row = height; row--; ) { _write_data (&stream, data, (width+7)/8); data += stride; } break; case CAIRO_FORMAT_A8: for (row = height; row--; ) { _write_data (&stream, data, width); data += stride; } break; case CAIRO_FORMAT_RGB24: for (row = height; row--; ) { int col; rowdata = data; for (col = width; col--; ) { _write_data (&stream, rowdata, 3); rowdata+=4; } data += stride; } break; case CAIRO_FORMAT_ARGB32: for (row = height; row--; ) { _write_data (&stream, data, 4*width); data += stride; } break; default: break; } #else if (stride > ARRAY_LENGTH (row_stack)) { rowdata = malloc (stride); if (rowdata == NULL) goto BAIL; } else rowdata = row_stack; switch (format) { case CAIRO_FORMAT_A1: for (row = height; row--; ) { int col; for (col = 0; col < (width + 7)/8; col++) rowdata[col] = CAIRO_BITSWAP8 (data[col]); _write_data (&stream, rowdata, (width+7)/8); data += stride; } break; case CAIRO_FORMAT_A8: for (row = height; row--; ) { _write_data (&stream, rowdata, width); data += stride; } break; case CAIRO_FORMAT_RGB24: for (row = height; row--; ) { uint8_t *src = data; int col; for (col = 0; col < width; col++) { rowdata[3*col+2] = *src++; rowdata[3*col+1] = *src++; rowdata[3*col+0] = *src++; src++; } _write_data (&stream, rowdata, 3*width); data += stride; } break; case CAIRO_FORMAT_ARGB32: for (row = height; row--; ) { uint32_t *src = (uint32_t *) data; uint32_t *dst = (uint32_t *) rowdata; int col; for (col = 0; col < width; col++) dst[col] = bswap_32 (src[col]); _write_data (&stream, rowdata, 4*width); data += stride; } break; default: break; } if (rowdata != row_stack) free (rowdata); BAIL: _write_data_end (&stream); #endif fprintf (logfile, " /deflate filter set\n" " image"); } static void _encode_string_literal (char *out, int max, const char *utf8, int len) { char c; const char *end; *out++ = '('; max--; if (utf8 == NULL) goto DONE; if (len < 0) len = strlen (utf8); end = utf8 + len; while (utf8 < end) { if (max < 5) break; switch ((c = *utf8++)) { case '\n': *out++ = '\\'; *out++ = 'n'; max -= 2; break; case '\r': *out++ = '\\'; *out++ = 'n'; max -= 2; case '\t': *out++ = '\\'; *out++ = 't'; max -= 2; break; case '\b': *out++ = '\\'; *out++ = 'b'; max -= 2; break; case '\f': *out++ = '\\'; *out++ = 'r'; max -= 2; break; case '\\': case '(': case ')': *out++ = '\\'; *out++ = c; max -= 2; break; default: if (isprint (c) || isspace (c)) { *out++ = c; } else { int octal = 0; while (c) { octal *= 10; octal += c&7; c /= 8; } octal = snprintf (out, max, "\\%03d", octal); out += octal; max -= octal; } break; } } DONE: *out++ = ')'; *out = '\0'; } static void _emit_string_literal (const char *utf8, int len) { char c; const char *end; if (utf8 == NULL) { fprintf (logfile, "()"); return; } if (len < 0) len = strlen (utf8); end = utf8 + len; fprintf (logfile, "("); while (utf8 < end) { switch ((c = *utf8++)) { case '\n': case '\r': case '\\': case '\t': case '\b': case '\f': case '(': case ')': fprintf (logfile, "\\%c", c); break; default: if (isprint (c) || isspace (c)) { fprintf (logfile, "%c", c); } else { int octal = 0; while (c) { octal *= 10; octal += c&7; c /= 8; } fprintf (logfile, "\\%03d", octal); } break; } } fprintf (logfile, ")"); } static void _emit_current (Object *obj) { if (obj != NULL && ! _pop_operands_to_object (obj)) { fprintf (logfile, "%s%ld\n", obj->type->op_code, obj->token); _push_operand (obj->type->op_type, obj->addr); } } static void _emit_context (cairo_t *cr) { _emit_current (_get_object (CONTEXT, cr)); } static void _emit_font_face (cairo_font_face_t *font_face) { _emit_current (_get_object (FONT_FACE, font_face)); } static void _emit_pattern (cairo_pattern_t *pattern) { _emit_current (_get_object (PATTERN, pattern)); } static void _emit_scaled_font (cairo_scaled_font_t *scaled_font) { _emit_current (_get_object (SCALED_FONT, scaled_font)); } static void _emit_surface (cairo_surface_t *surface) { _emit_current (_get_object (SURFACE, surface)); } static void CAIRO_PRINTF_FORMAT(2, 3) _emit_cairo_op (cairo_t *cr, const char *fmt, ...) { va_list ap; if (cr == NULL || ! _write_lock ()) return; _emit_context (cr); va_start (ap, fmt); vfprintf (logfile, fmt, ap); va_end (ap); _write_unlock (); } cairo_t * cairo_create (cairo_surface_t *target) { cairo_t *ret; long surface_id; long context_id; ret = DLCALL (cairo_create, target); context_id = _create_context_id (ret); _emit_line_info (); if (target != NULL && _write_lock ()) { surface_id = _get_surface_id (target); if (surface_id != -1) { _get_object (SURFACE, target)->foreign = false; /* we presume that we will continue to use the context */ if (_pop_operands_to (SURFACE, target)){ _consume_operand (); } else { fprintf (logfile, "s%ld ", surface_id); } fprintf (logfile, "context %% c%ld\n", context_id); _push_operand (CONTEXT, ret); } _write_unlock (); } return ret; } void cairo_save (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "save\n"); return DLCALL (cairo_save, cr); } void cairo_restore (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "restore\n"); return DLCALL (cairo_restore, cr); } void cairo_push_group (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "//COLOR_ALPHA push-group\n"); return DLCALL (cairo_push_group, cr); } static const char * _content_to_string (cairo_content_t content) { switch (content) { case CAIRO_CONTENT_ALPHA: return "ALPHA"; case CAIRO_CONTENT_COLOR: return "COLOR"; default: case CAIRO_CONTENT_COLOR_ALPHA: return "COLOR_ALPHA"; } } void cairo_push_group_with_content (cairo_t *cr, cairo_content_t content) { _emit_line_info (); _emit_cairo_op (cr, "//%s push-group\n", _content_to_string (content)); return DLCALL (cairo_push_group_with_content, cr, content); } cairo_pattern_t * cairo_pop_group (cairo_t *cr) { cairo_pattern_t *ret; ret = DLCALL (cairo_pop_group, cr); _emit_line_info (); _emit_cairo_op (cr, "pop-group %% p%ld\n", _create_pattern_id (ret)); _push_operand (PATTERN, ret); return ret; } void cairo_pop_group_to_source (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "pop-group set-source\n"); return DLCALL (cairo_pop_group_to_source, cr); } static const char * _operator_to_string (cairo_operator_t op) { const char *names[] = { "CLEAR", /* CAIRO_OPERATOR_CLEAR */ "SOURCE", /* CAIRO_OPERATOR_SOURCE */ "OVER", /* CAIRO_OPERATOR_OVER */ "IN", /* CAIRO_OPERATOR_IN */ "OUT", /* CAIRO_OPERATOR_OUT */ "ATOP", /* CAIRO_OPERATOR_ATOP */ "DEST", /* CAIRO_OPERATOR_DEST */ "DEST_OVER", /* CAIRO_OPERATOR_DEST_OVER */ "DEST_IN", /* CAIRO_OPERATOR_DEST_IN */ "DEST_OUT", /* CAIRO_OPERATOR_DEST_OUT */ "DEST_ATOP", /* CAIRO_OPERATOR_DEST_ATOP */ "XOR", /* CAIRO_OPERATOR_XOR */ "ADD", /* CAIRO_OPERATOR_ADD */ "SATURATE" /* CAIRO_OPERATOR_SATURATE */ }; return names[op]; } void cairo_set_operator (cairo_t *cr, cairo_operator_t op) { _emit_line_info (); _emit_cairo_op (cr, "//%s set-operator\n", _operator_to_string (op)); return DLCALL (cairo_set_operator, cr, op); } void cairo_set_source_rgb (cairo_t *cr, double red, double green, double blue) { _emit_line_info (); _emit_cairo_op (cr, "%g %g %g set-source-rgb\n", red, green, blue); return DLCALL (cairo_set_source_rgb, cr, red, green, blue); } void cairo_set_source_rgba (cairo_t *cr, double red, double green, double blue, double alpha) { _emit_line_info (); _emit_cairo_op (cr, "%g %g %g %g set-source-rgba\n", red, green, blue, alpha); return DLCALL (cairo_set_source_rgba, cr, red, green, blue, alpha); } static void _emit_source_image (cairo_surface_t *surface) { Object *obj; cairo_surface_t *image; cairo_t *cr; obj = _get_object (SURFACE, surface); if (obj == NULL) return; image = DLCALL (cairo_image_surface_create, CAIRO_FORMAT_ARGB32, obj->width, obj->height); cr = DLCALL (cairo_create, image); DLCALL (cairo_set_source_surface, cr, surface, 0, 0); DLCALL (cairo_paint, cr); DLCALL (cairo_destroy, cr); _emit_image (image, NULL); fprintf (logfile, " set-source-image "); DLCALL (cairo_surface_destroy, image); obj->foreign = false; } static void _emit_source_image_rectangle (cairo_surface_t *surface, int x, int y, int width, int height) { Object *obj; cairo_surface_t *image; cairo_t *cr; obj = _get_object (SURFACE, surface); if (obj == NULL) return; if (obj->foreign) return _emit_source_image (surface); image = DLCALL (cairo_image_surface_create, CAIRO_FORMAT_ARGB32, width, height); cr = DLCALL (cairo_create, image); DLCALL (cairo_set_source_surface, cr, surface, x, y); DLCALL (cairo_paint, cr); DLCALL (cairo_destroy, cr); _emit_image (image, NULL); fprintf (logfile, " %d %d set-device-offset set-source-image ", x, y); DLCALL (cairo_surface_destroy, image); } void cairo_set_source_surface (cairo_t *cr, cairo_surface_t *surface, double x, double y) { _emit_line_info (); if (cr != NULL && surface != NULL && _write_lock ()) { if (_is_current (SURFACE, surface, 0) && _is_current (CONTEXT, cr, 1)) { _consume_operand (); } else if (_is_current (SURFACE, surface, 1) && _is_current (CONTEXT, cr, 0)) { fprintf (logfile, "exch "); _exch_operands (); _consume_operand (); } else { _emit_context (cr); fprintf (logfile, "s%ld ", _get_surface_id (surface)); } if (_get_object (SURFACE, surface)->foreign) _emit_source_image (surface); fprintf (logfile, "pattern"); if (x != 0. || y != 0.) fprintf (logfile, " %g %g translate", -x, -y); fprintf (logfile, " set-source\n"); _write_unlock (); } return DLCALL (cairo_set_source_surface, cr, surface, x, y); } void cairo_set_source (cairo_t *cr, cairo_pattern_t *source) { _emit_line_info (); if (cr != NULL && source != NULL && _write_lock ()) { if (_is_current (PATTERN, source, 0) && _is_current (CONTEXT, cr, 1)) { _consume_operand (); } else if (_is_current (PATTERN, source, 1) && _is_current (CONTEXT, cr, 0)) { fprintf (logfile, "exch "); _exch_operands (); _consume_operand (); } else { _emit_context (cr); _emit_pattern_id (source); } fprintf (logfile, "set-source\n"); _write_unlock (); } return DLCALL (cairo_set_source, cr, source); } cairo_pattern_t * cairo_get_source (cairo_t *cr) { cairo_pattern_t *ret; ret = DLCALL (cairo_get_source, cr); if (! _has_pattern_id (ret)) { _emit_cairo_op (cr, "/source get /p%ld exch def\n", _create_pattern_id (ret)); _get_object (PATTERN, ret)->defined = true; } return ret; } void cairo_set_tolerance (cairo_t *cr, double tolerance) { _emit_line_info (); _emit_cairo_op (cr, "%g set-tolerance\n", tolerance); return DLCALL (cairo_set_tolerance, cr, tolerance); } static const char * _antialias_to_string (cairo_antialias_t antialias) { const char *names[] = { "ANTIALIAS_DEFAULT", /* CAIRO_ANTIALIAS_DEFAULT */ "ANTIALIAS_NONE", /* CAIRO_ANTIALIAS_NONE */ "ANTIALIAS_GRAY", /* CAIRO_ANTIALIAS_GRAY */ "ANTIALIAS_SUBPIXEL" /* CAIRO_ANTIALIAS_SUBPIXEL */ }; return names[antialias]; } void cairo_set_antialias (cairo_t *cr, cairo_antialias_t antialias) { _emit_line_info (); _emit_cairo_op (cr, "//%s set-antialias\n", _antialias_to_string (antialias)); return DLCALL (cairo_set_antialias, cr, antialias); } static const char * _fill_rule_to_string (cairo_fill_rule_t rule) { const char *names[] = { "WINDING", /* CAIRO_FILL_RULE_WINDING */ "EVEN_ODD" /* CAIRO_FILL_RILE_EVEN_ODD */ }; return names[rule]; } void cairo_set_fill_rule (cairo_t *cr, cairo_fill_rule_t fill_rule) { _emit_line_info (); _emit_cairo_op (cr, "//%s set-fill-rule\n", _fill_rule_to_string (fill_rule)); return DLCALL (cairo_set_fill_rule, cr, fill_rule); } void cairo_set_line_width (cairo_t *cr, double width) { _emit_line_info (); _emit_cairo_op (cr, "%g set-line-width\n", width); return DLCALL (cairo_set_line_width, cr, width); } static const char * _line_cap_to_string (cairo_line_cap_t line_cap) { const char *names[] = { "LINE_CAP_BUTT", /* CAIRO_LINE_CAP_BUTT */ "LINE_CAP_ROUND", /* CAIRO_LINE_CAP_ROUND */ "LINE_CAP_SQUARE" /* CAIRO_LINE_CAP_SQUARE */ }; return names[line_cap]; } void cairo_set_line_cap (cairo_t *cr, cairo_line_cap_t line_cap) { _emit_line_info (); _emit_cairo_op (cr, "//%s set-line-cap\n", _line_cap_to_string (line_cap)); return DLCALL (cairo_set_line_cap, cr, line_cap); } static const char * _line_join_to_string (cairo_line_join_t line_join) { const char *names[] = { "LINE_JOIN_MITER", /* CAIRO_LINE_JOIN_MITER */ "LINE_JOIN_ROUND", /* CAIRO_LINE_JOIN_ROUND */ "LINE_JOIN_BEVEL", /* CAIRO_LINE_JOIN_BEVEL */ }; return names[line_join]; } void cairo_set_line_join (cairo_t *cr, cairo_line_join_t line_join) { _emit_line_info (); _emit_cairo_op (cr, "//%s set-line-join\n", _line_join_to_string (line_join)); return DLCALL (cairo_set_line_join, cr, line_join); } void cairo_set_dash (cairo_t *cr, const double *dashes, int num_dashes, double offset) { _emit_line_info (); if (cr != NULL && _write_lock ()) { int n; _emit_context (cr); fprintf (logfile, "["); for (n = 0; n < num_dashes; n++) { if (n != 0) fprintf (logfile, " "); fprintf (logfile, "%g", dashes[n]); } fprintf (logfile, "] %g set-dash\n", offset); _write_unlock (); } return DLCALL (cairo_set_dash, cr, dashes, num_dashes, offset); } void cairo_set_miter_limit (cairo_t *cr, double limit) { _emit_line_info (); _emit_cairo_op (cr, "%g set-miter-limit\n", limit); return DLCALL (cairo_set_miter_limit, cr, limit); } void cairo_translate (cairo_t *cr, double tx, double ty) { _emit_line_info (); _emit_cairo_op (cr, "%g %g translate\n", tx, ty); return DLCALL (cairo_translate, cr, tx, ty); } void cairo_scale (cairo_t *cr, double sx, double sy) { _emit_line_info (); _emit_cairo_op (cr, "%g %g scale\n", sx, sy); return DLCALL (cairo_scale, cr, sx, sy); } void cairo_rotate (cairo_t *cr, double angle) { _emit_line_info (); _emit_cairo_op (cr, "%g rotate\n", angle); return DLCALL (cairo_rotate, cr, angle); } void cairo_transform (cairo_t *cr, const cairo_matrix_t *matrix) { _emit_line_info (); _emit_cairo_op (cr, "%g %g %g %g %g %g matrix transform\n", matrix->xx, matrix->yx, matrix->xy, matrix->yy, matrix->x0, matrix->y0); return DLCALL (cairo_transform, cr, matrix); } void cairo_set_matrix (cairo_t *cr, const cairo_matrix_t *matrix) { _emit_line_info (); if (_matrix_is_identity (matrix)) { _emit_cairo_op (cr, "identity set-matrix\n"); } else { _emit_cairo_op (cr, "%g %g %g %g %g %g matrix set-matrix\n", matrix->xx, matrix->yx, matrix->xy, matrix->yy, matrix->x0, matrix->y0); } return DLCALL (cairo_set_matrix, cr, matrix); } cairo_surface_t * cairo_get_target (cairo_t *cr) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_get_target, cr); surface_id = _create_surface_id (ret); if (cr != NULL && ! _has_surface_id (ret)) { _emit_cairo_op (cr, "/target get /s%ld exch def\n", surface_id); _get_object (SURFACE, ret)->defined = true; } return ret; } cairo_surface_t * cairo_get_group_target (cairo_t *cr) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_get_group_target, cr); surface_id = _create_surface_id (ret); if (cr != NULL && ! _has_surface_id (ret)) { _emit_cairo_op (cr, "/group-target get /s%ld exch def\n", surface_id); _get_object (SURFACE, ret)->defined = true; } return ret; } void cairo_identity_matrix (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "identity set-matrix\n"); return DLCALL (cairo_identity_matrix, cr); } void cairo_new_path (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "n "); return DLCALL (cairo_new_path, cr); } void cairo_move_to (cairo_t *cr, double x, double y) { _emit_cairo_op (cr, "%g %g m ", x, y); return DLCALL (cairo_move_to, cr, x, y); } void cairo_new_sub_path (cairo_t *cr) { _emit_cairo_op (cr, "N "); return DLCALL (cairo_new_sub_path, cr); } void cairo_line_to (cairo_t *cr, double x, double y) { _emit_cairo_op (cr, "%g %g l ", x, y); return DLCALL (cairo_line_to, cr, x, y); } void cairo_curve_to (cairo_t *cr, double x1, double y1, double x2, double y2, double x3, double y3) { _emit_cairo_op (cr, "%g %g %g %g %g %g c ", x1, y1, x2, y2, x3, y3); return DLCALL (cairo_curve_to, cr, x1, y1, x2, y2, x3, y3); } void cairo_arc (cairo_t *cr, double xc, double yc, double radius, double angle1, double angle2) { _emit_cairo_op (cr, "%g %g %g %g %g arc\n", xc, yc, radius, angle1, angle2); return DLCALL (cairo_arc, cr, xc, yc, radius, angle1, angle2); } void cairo_arc_negative (cairo_t *cr, double xc, double yc, double radius, double angle1, double angle2) { _emit_cairo_op (cr, "%g %g %g %g %g arc-\n", xc, yc, radius, angle1, angle2); return DLCALL (cairo_arc_negative, cr, xc, yc, radius, angle1, angle2); } void cairo_rel_move_to (cairo_t *cr, double dx, double dy) { _emit_cairo_op (cr, "%g %g M ", dx, dy); return DLCALL (cairo_rel_move_to, cr, dx, dy); } void cairo_rel_line_to (cairo_t *cr, double dx, double dy) { _emit_cairo_op (cr, "%g %g L ", dx, dy); return DLCALL (cairo_rel_line_to, cr, dx, dy); } void cairo_rel_curve_to (cairo_t *cr, double dx1, double dy1, double dx2, double dy2, double dx3, double dy3) { _emit_cairo_op (cr, "%g %g %g %g %g %g C ", dx1, dy1, dx2, dy2, dx3, dy3); return DLCALL (cairo_rel_curve_to, cr, dx1, dy1, dx2, dy2, dx3, dy3); } void cairo_rectangle (cairo_t *cr, double x, double y, double width, double height) { _emit_cairo_op (cr, "%g %g %g %g rectangle\n", x, y, width, height); return DLCALL (cairo_rectangle, cr, x, y, width, height); } void cairo_close_path (cairo_t *cr) { _emit_cairo_op (cr, "h\n"); return DLCALL (cairo_close_path, cr); } void cairo_paint (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "paint\n"); DLCALL (cairo_paint, cr); } void cairo_paint_with_alpha (cairo_t *cr, double alpha) { _emit_line_info (); _emit_cairo_op (cr, "%g paint-with-alpha\n", alpha); DLCALL (cairo_paint_with_alpha, cr, alpha); } void cairo_mask (cairo_t *cr, cairo_pattern_t *pattern) { _emit_line_info (); if (cr != NULL && pattern != NULL && _write_lock ()) { if (_is_current (PATTERN, pattern, 0) && _is_current (CONTEXT, cr, 1)) { _consume_operand (); } else if (_is_current (PATTERN, pattern, 1) && _is_current (CONTEXT, cr, 0)) { fprintf (logfile, "exch "); _exch_operands (); _consume_operand (); } else { _emit_context (cr); _emit_pattern_id (pattern); } fprintf (logfile, " mask\n"); _write_unlock (); } DLCALL (cairo_mask, cr, pattern); } void cairo_mask_surface (cairo_t *cr, cairo_surface_t *surface, double x, double y) { _emit_line_info (); if (cr != NULL && surface != NULL && _write_lock ()) { if (_is_current (SURFACE, surface, 0) && _is_current (CONTEXT, cr, 1)) { _consume_operand (); } else if (_is_current (SURFACE, surface, 1) && _is_current (CONTEXT, cr, 0)) { fprintf (logfile, "exch "); _exch_operands (); _consume_operand (); } else { _emit_context (cr); fprintf (logfile, "s%ld ", _get_surface_id (surface)); } fprintf (logfile, "pattern"); if (x != 0. || y != 0.) fprintf (logfile, " %g %g translate", -x, -y); fprintf (logfile, " mask\n"); _write_unlock (); } DLCALL (cairo_mask_surface, cr, surface, x, y); } void cairo_stroke (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "stroke\n"); DLCALL (cairo_stroke, cr); } void cairo_stroke_preserve (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "stroke+\n"); DLCALL (cairo_stroke_preserve, cr); } void cairo_fill (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "fill\n"); DLCALL (cairo_fill, cr); } void cairo_fill_preserve (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "fill+\n"); DLCALL (cairo_fill_preserve, cr); } void cairo_copy_page (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "copy-page\n"); return DLCALL (cairo_copy_page, cr); } void cairo_show_page (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "show-page\n"); return DLCALL (cairo_show_page, cr); } void cairo_clip (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "clip\n"); DLCALL (cairo_clip, cr); } void cairo_clip_preserve (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "clip+\n"); DLCALL (cairo_clip_preserve, cr); } void cairo_reset_clip (cairo_t *cr) { _emit_line_info (); _emit_cairo_op (cr, "reset-clip\n"); return DLCALL (cairo_reset_clip, cr); } static const char * _slant_to_string (cairo_font_slant_t font_slant) { const char *names[] = { "SLANT_NORMAL", /* CAIRO_FONT_SLANT_NORMAL */ "SLANT_ITALIC", /* CAIRO_FONT_SLANT_ITALIC */ "SLANT_OBLIQUE" /* CAIRO_FONT_SLANT_OBLIQUE */ }; return names[font_slant]; } static const char * _weight_to_string (cairo_font_weight_t font_weight) { const char *names[] = { "WEIGHT_NORMAL", /* CAIRO_FONT_WEIGHT_NORMAL */ "WEIGHT_BOLD", /* CAIRO_FONT_WEIGHT_BOLD */ }; return names[font_weight]; } void cairo_select_font_face (cairo_t *cr, const char *family, cairo_font_slant_t slant, cairo_font_weight_t weight) { _emit_line_info (); if (cr != NULL && _write_lock ()) { _emit_context (cr); _emit_string_literal (family, -1); fprintf (logfile, " //%s //%s select-font-face\n", _slant_to_string (slant), _weight_to_string (weight)); _write_unlock (); } return DLCALL (cairo_select_font_face, cr, family, slant, weight); } cairo_font_face_t * cairo_get_font_face (cairo_t *cr) { cairo_font_face_t *ret; long font_face_id; ret = DLCALL (cairo_get_font_face, cr); font_face_id = _create_font_face_id (ret); _emit_cairo_op (cr, "/font-face get\n"); _push_operand (FONT_FACE, ret); return ret; } void cairo_set_font_face (cairo_t *cr, cairo_font_face_t *font_face) { _emit_line_info (); if (cr != NULL && font_face != NULL && _write_lock ()) { if (_is_current (FONT_FACE, font_face, 0) && _is_current (CONTEXT, cr, 1)) { _consume_operand (); } else if (_is_current (FONT_FACE, font_face, 1) && _is_current (CONTEXT, cr, 0)) { fprintf (logfile, "exch "); _exch_operands (); _consume_operand (); } else { _emit_context (cr); _emit_font_face_id (font_face); } fprintf (logfile, "set-font-face\n"); _write_unlock (); } return DLCALL (cairo_set_font_face, cr, font_face); } void cairo_set_font_size (cairo_t *cr, double size) { _emit_line_info (); _emit_cairo_op (cr, "%g set-font-size\n", size); return DLCALL (cairo_set_font_size, cr, size); } void cairo_set_font_matrix (cairo_t *cr, const cairo_matrix_t *matrix) { _emit_line_info (); _emit_cairo_op (cr, "%g %g %g %g %g %g matrix set-font-matrix\n", matrix->xx, matrix->yx, matrix->xy, matrix->yy, matrix->x0, matrix->y0); return DLCALL (cairo_set_font_matrix, cr, matrix); } static const char * _subpixel_order_to_string (cairo_subpixel_order_t subpixel_order) { const char *names[] = { "SUBPIXEL_ORDER_DEFAULT", /* CAIRO_SUBPIXEL_ORDER_DEFAULT */ "SUBPIXEL_ORDER_RGB", /* CAIRO_SUBPIXEL_ORDER_RGB */ "SUBPIXEL_ORDER_BGR", /* CAIRO_SUBPIXEL_ORDER_BGR */ "SUBPIXEL_ORDER_VRGB", /* CAIRO_SUBPIXEL_ORDER_VRGB */ "SUBPIXEL_ORDER_VBGR" /* CAIRO_SUBPIXEL_ORDER_VBGR */ }; return names[subpixel_order]; } static const char * _hint_style_to_string (cairo_hint_style_t hint_style) { const char *names[] = { "HINT_STYLE_DEFAULT", /* CAIRO_HINT_STYLE_DEFAULT */ "HINT_STYLE_NONE", /* CAIRO_HINT_STYLE_NONE */ "HINT_STYLE_SLIGHT", /* CAIRO_HINT_STYLE_SLIGHT */ "HINT_STYLE_MEDIUM", /* CAIRO_HINT_STYLE_MEDIUM */ "HINT_STYLE_FULL" /* CAIRO_HINT_STYLE_FULL */ }; return names[hint_style]; } static const char * _hint_metrics_to_string (cairo_hint_metrics_t hint_metrics) { const char *names[] = { "HINT_METRICS_DEFAULT", /* CAIRO_HINT_METRICS_DEFAULT */ "HINT_METRICS_OFF", /* CAIRO_HINT_METRICS_OFF */ "HINT_METRICS_ON" /* CAIRO_HINT_METRICS_ON */ }; return names[hint_metrics]; } static void _emit_font_options (const cairo_font_options_t *options) { cairo_antialias_t antialias; cairo_subpixel_order_t subpixel_order; cairo_hint_style_t hint_style; cairo_hint_metrics_t hint_metrics; fprintf (logfile, "dict\n"); antialias = cairo_font_options_get_antialias (options); if (antialias != CAIRO_ANTIALIAS_DEFAULT) { fprintf (logfile, " /antialias //%s set\n", _antialias_to_string (antialias)); } subpixel_order = cairo_font_options_get_subpixel_order (options); if (subpixel_order != CAIRO_SUBPIXEL_ORDER_DEFAULT) { fprintf (logfile, " /subpixel-order //%s set\n", _subpixel_order_to_string (subpixel_order)); } hint_style = cairo_font_options_get_hint_style (options); if (hint_style != CAIRO_HINT_STYLE_DEFAULT) { fprintf (logfile, " /hint-style //%s set\n", _hint_style_to_string (hint_style)); } hint_metrics = cairo_font_options_get_hint_metrics (options); if (hint_style != CAIRO_HINT_METRICS_DEFAULT) { fprintf (logfile, " /hint-metrics //%s set\n", _hint_metrics_to_string (hint_metrics)); } } void cairo_set_font_options (cairo_t *cr, const cairo_font_options_t *options) { _emit_line_info (); if (cr != NULL && options != NULL && _write_lock ()) { _emit_context (cr); _emit_font_options (options); fprintf (logfile, " set-font-options\n"); _write_unlock (); } return DLCALL (cairo_set_font_options, cr, options); } cairo_scaled_font_t * cairo_get_scaled_font (cairo_t *cr) { cairo_scaled_font_t *ret; ret = DLCALL (cairo_get_scaled_font, cr); if (cr != NULL && ! _has_scaled_font_id (ret)) { _emit_cairo_op (cr, "/scaled-font get /sf%ld exch def\n", _create_scaled_font_id (ret)); _get_object (SCALED_FONT, ret)->defined = true; } return ret; } void cairo_set_scaled_font (cairo_t *cr, const cairo_scaled_font_t *scaled_font) { _emit_line_info (); if (cr != NULL && scaled_font != NULL) { if (_pop_operands_to (SCALED_FONT, scaled_font)) { if (_is_current (CONTEXT, cr, 1)) { if (_write_lock ()) { _consume_operand (); fprintf (logfile, "set-scaled-font\n"); _write_unlock (); } } else { if (_get_object (CONTEXT, cr)->defined) { if (_write_lock ()) { _consume_operand (); fprintf (logfile, "c%ld exch set-scaled-font pop\n", _get_context_id (cr)); _write_unlock (); } } else { _emit_cairo_op (cr, "sf%ld set-scaled-font\n", _get_scaled_font_id (scaled_font)); } } } else { _emit_cairo_op (cr, "sf%ld set-scaled-font\n", _get_scaled_font_id (scaled_font)); } } return DLCALL (cairo_set_scaled_font, cr, scaled_font); } static void _emit_matrix (const cairo_matrix_t *m) { if (m->xx == 1.0 && m->yx == 0.0 && m->xy == 0.0 && m->yy == 1.0 && m->x0 == 0.0 && m->y0 == 0.0) { fprintf (logfile, "identity"); } else { fprintf (logfile, "%g %g %g %g %g %g matrix", m->xx, m->yx, m->xy, m->yy, m->x0, m->y0); } } cairo_scaled_font_t * cairo_scaled_font_create (cairo_font_face_t *font_face, const cairo_matrix_t *font_matrix, const cairo_matrix_t *ctm, const cairo_font_options_t *options) { cairo_scaled_font_t *ret; long scaled_font_id; ret = DLCALL (cairo_scaled_font_create, font_face, font_matrix, ctm, options); scaled_font_id = _create_scaled_font_id (ret); _emit_line_info (); if (font_face != NULL && font_matrix != NULL && ctm != NULL && options != NULL && _write_lock ()) { if (_pop_operands_to (FONT_FACE, font_face)) _consume_operand (); else fprintf (logfile, "f%ld ", _get_font_face_id (font_face)); _emit_matrix (font_matrix); fprintf (logfile, " "); _emit_matrix (ctm); fprintf (logfile, " "); _emit_font_options (options); fprintf (logfile, " scaled-font dup /sf%ld exch def\n", scaled_font_id); _get_object (SCALED_FONT, ret)->defined = true; _push_operand (SCALED_FONT, ret); _write_unlock (); } return ret; } void cairo_show_text (cairo_t *cr, const char *utf8) { _emit_line_info (); if (cr != NULL && _write_lock ()) { _emit_context (cr); _emit_string_literal (utf8, -1); fprintf (logfile, " show-text\n"); _write_unlock (); } DLCALL (cairo_show_text, cr, utf8); } #define TOLERANCE 1e-5 static void _emit_glyphs (cairo_scaled_font_t *font, const cairo_glyph_t *glyphs, int num_glyphs) { double x,y; int n; if (num_glyphs == 0) { fprintf (logfile, "[]"); return; } for (n = 0; n < num_glyphs; n++) { if (glyphs[n].index > 256) break; } x = glyphs->x; y = glyphs->y; if (n < num_glyphs) { /* need full glyph range */ bool first; fprintf (logfile, "[%g %g [", x, y); first = true; while (num_glyphs--) { cairo_text_extents_t extents; if (fabs (glyphs->x - x) > TOLERANCE || fabs (glyphs->y - y) > TOLERANCE) { x = glyphs->x; y = glyphs->y; fprintf (logfile, "] %g %g [", x, y); first = true; } if (! first) fprintf (logfile, " "); fprintf (logfile, "%lu", glyphs->index); first = false; cairo_scaled_font_glyph_extents (font, glyphs, 1, &extents); x += extents.x_advance; y += extents.y_advance; glyphs++; } fprintf (logfile, "]]"); } else { struct _data_stream stream; if (num_glyphs == 1) { fprintf (logfile, "[%g %g <%lx>]", x, y, glyphs->index); } else { fprintf (logfile, "[%g %g <~", x, y); _write_base85_data_start (&stream); while (num_glyphs--) { cairo_text_extents_t extents; unsigned char c; if (fabs (glyphs->x - x) > TOLERANCE || fabs (glyphs->y - y) > TOLERANCE) { x = glyphs->x; y = glyphs->y; _write_base85_data_end (&stream); fprintf (logfile, "~> %g %g <~", x, y); _write_base85_data_start (&stream); } c = glyphs->index; _write_base85_data (&stream, &c, 1); cairo_scaled_font_glyph_extents (font, glyphs, 1, &extents); x += extents.x_advance; y += extents.y_advance; glyphs++; } _write_base85_data_end (&stream); fprintf (logfile, "~>]"); } } } void cairo_show_glyphs (cairo_t *cr, const cairo_glyph_t *glyphs, int num_glyphs) { cairo_scaled_font_t *font; font = DLCALL (cairo_get_scaled_font, cr); _emit_line_info (); if (cr != NULL && glyphs != NULL && _write_lock ()) { _emit_context (cr); _emit_glyphs (font, glyphs, num_glyphs); fprintf (logfile, " show-glyphs\n"); _write_unlock (); } DLCALL (cairo_show_glyphs, cr, glyphs, num_glyphs); } static const char * _direction_to_string (cairo_bool_t backward) { const char *names[] = { "FORWARD", "BACKWARD" }; return names[backward]; } void cairo_show_text_glyphs (cairo_t *cr, const char *utf8, int utf8_len, const cairo_glyph_t *glyphs, int num_glyphs, const cairo_text_cluster_t *clusters, int num_clusters, cairo_text_cluster_flags_t backward) { cairo_scaled_font_t *font; font = DLCALL (cairo_get_scaled_font, cr); _emit_line_info (); if (cr != NULL && glyphs != NULL && clusters != NULL && _write_lock ()) { int n; _emit_context (cr); _emit_string_literal (utf8, utf8_len); _emit_glyphs (font, glyphs, num_glyphs); fprintf (logfile, " ["); for (n = 0; n < num_clusters; n++) { fprintf (logfile, " %d %d", clusters[n].num_bytes, clusters[n].num_glyphs); } fprintf (logfile, " ] //%s show-text-glyphs\n", _direction_to_string (backward)); _write_unlock (); } DLCALL (cairo_show_text_glyphs, cr, utf8, utf8_len, glyphs, num_glyphs, clusters, num_clusters, backward); } void cairo_text_path (cairo_t *cr, const char *utf8) { _emit_line_info (); if (cr != NULL && _write_lock ()) { _emit_context (cr); _emit_string_literal (utf8, -1); fprintf (logfile, " text-path\n"); _write_unlock (); } return DLCALL (cairo_text_path, cr, utf8); } void cairo_glyph_path (cairo_t *cr, const cairo_glyph_t *glyphs, int num_glyphs) { cairo_scaled_font_t *font; font = DLCALL (cairo_get_scaled_font, cr); _emit_line_info (); if (cr != NULL && glyphs != NULL && _write_lock ()) { _emit_context (cr); _emit_glyphs (font, glyphs, num_glyphs); fprintf (logfile, " glyph-path\n"); _write_unlock (); } return DLCALL (cairo_glyph_path, cr, glyphs, num_glyphs); } void cairo_append_path (cairo_t *cr, const cairo_path_t *path) { /* XXX no support for named paths, so manually reconstruct */ int i; cairo_path_data_t *p; _emit_line_info (); if (cr == NULL || path == NULL) return DLCALL (cairo_append_path, cr, path); for (i=0; i < path->num_data; i += path->data[i].header.length) { p = &path->data[i]; switch (p->header.type) { case CAIRO_PATH_MOVE_TO: if (p->header.length >= 2) cairo_move_to (cr, p[1].point.x, p[1].point.y); break; case CAIRO_PATH_LINE_TO: if (p->header.length >= 2) cairo_line_to (cr, p[1].point.x, p[1].point.y); break; case CAIRO_PATH_CURVE_TO: if (p->header.length >= 4) cairo_curve_to (cr, p[1].point.x, p[1].point.y, p[2].point.x, p[2].point.y, p[3].point.x, p[3].point.y); break; case CAIRO_PATH_CLOSE_PATH: if (p->header.length >= 1) cairo_close_path (cr); break; default: break; } } } cairo_surface_t * cairo_image_surface_create (cairo_format_t format, int width, int height) { cairo_surface_t *ret; long surface_id; const char *format_str; ret = DLCALL (cairo_image_surface_create, format, width, height); surface_id = _create_surface_id (ret); format_str = _format_to_string (format); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /width %d set\n" " /height %d set\n" " /format //%s set\n" " image dup /s%ld exch def\n", width, height, format_str, surface_id); _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->defined = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } cairo_surface_t * cairo_image_surface_create_for_data (unsigned char *data, cairo_format_t format, int width, int height, int stride) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_image_surface_create_for_data, data, format, width, height, stride); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { /* cairo_image_surface_create_for_data() is both used to supply * foreign pixel data to cairo and in order to read pixels back. * Defer grabbing the pixel contents until we have to, but only for * "large" images, for small images the overhead of embedding pixels * is negligible. */ if (width * height < 128) { _emit_image (ret, NULL); fprintf (logfile, " dup /s%ld exch def\n", surface_id); } else { fprintf (logfile, "dict\n" " /width %d set\n" " /height %d set\n" " /format //%s set\n" " image dup /s%ld exch def\n", width, height, _format_to_string (format), surface_id); _get_object (SURFACE, ret)->foreign = true; } _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->defined = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } cairo_surface_t * cairo_surface_create_similar (cairo_surface_t *other, cairo_content_t content, int width, int height) { cairo_surface_t *ret; long other_id; long surface_id; ret = DLCALL (cairo_surface_create_similar, other, content, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (other != NULL && _write_lock ()) { other_id = _get_surface_id (other); if (_pop_operands_to (SURFACE, other)) { _consume_operand (); fprintf (logfile, "%d %d %s similar\n", width, height, _content_to_string (content)); } else { fprintf (logfile, "s%ld %d %d %s similar\n", other_id, width, height, _content_to_string (content)); } _push_operand (SURFACE, ret); _write_unlock (); } return ret; } static void CAIRO_PRINTF_FORMAT(2, 3) _emit_surface_op (cairo_surface_t *surface, const char *fmt, ...) { va_list ap; if (surface == NULL || ! _write_lock ()) return; _emit_surface (surface); va_start (ap, fmt); vfprintf (logfile, fmt, ap); va_end (ap); _write_unlock (); } void cairo_surface_finish (cairo_surface_t *surface) { _emit_line_info (); return DLCALL (cairo_surface_finish, surface); } void cairo_surface_flush (cairo_surface_t *surface) { _emit_line_info (); return DLCALL (cairo_surface_flush, surface); } void cairo_surface_mark_dirty (cairo_surface_t *surface) { _emit_line_info (); if (surface != NULL && _write_lock ()) { _emit_surface (surface); fprintf (logfile, "%% mark-dirty\n"); _emit_source_image (surface); _write_unlock (); } return DLCALL (cairo_surface_mark_dirty, surface); } void cairo_surface_mark_dirty_rectangle (cairo_surface_t *surface, int x, int y, int width, int height) { _emit_line_info (); if (surface != NULL && _write_lock ()) { _emit_surface (surface); fprintf (logfile, "%% %d %d %d %d mark-dirty-rectangle\n", x, y, width, height); _emit_source_image_rectangle (surface, x,y, width, height); _write_unlock (); } return DLCALL (cairo_surface_mark_dirty_rectangle, surface, x, y, width, height); } void cairo_surface_set_device_offset (cairo_surface_t *surface, double x_offset, double y_offset) { _emit_line_info (); _emit_surface_op (surface, "%g %g set-device-offset\n", x_offset, y_offset); return DLCALL (cairo_surface_set_device_offset, surface, x_offset, y_offset); } void cairo_surface_set_fallback_resolution (cairo_surface_t *surface, double x_pixels_per_inch, double y_pixels_per_inch) { _emit_line_info (); _emit_surface_op (surface, "%g %g set-fallback-resolution\n", x_pixels_per_inch, y_pixels_per_inch); return DLCALL (cairo_surface_set_fallback_resolution, surface, x_pixels_per_inch, y_pixels_per_inch); } void cairo_surface_copy_page (cairo_surface_t *surface) { _emit_line_info (); _emit_surface_op (surface, "copy-page\n"); return DLCALL (cairo_surface_copy_page, surface); } void cairo_surface_show_page (cairo_surface_t *surface) { _emit_line_info (); _emit_surface_op (surface, "show-page\n"); return DLCALL (cairo_surface_show_page, surface); } cairo_status_t cairo_surface_set_mime_data (cairo_surface_t *surface, const char *mime_type, const unsigned char *data, unsigned int length, cairo_destroy_func_t destroy, void *closure) { _emit_line_info (); if (surface != NULL && _write_lock ()) { _emit_surface (surface); _emit_string_literal (mime_type, -1); fprintf (logfile, " "); _emit_data (data, length); fprintf (logfile, " /deflate filter set-mime-data\n"); _write_unlock (); } return DLCALL (cairo_surface_set_mime_data, surface, mime_type, data, length, destroy, closure); } #if CAIRO_HAS_PNG_FUNCTIONS cairo_status_t cairo_surface_write_to_png (cairo_surface_t *surface, const char *filename) { _emit_line_info (); if (surface != NULL && _write_lock ()) { fprintf (logfile, "%% s%ld ", _get_surface_id (surface)); _emit_string_literal (filename, -1); fprintf (logfile, " write-to-png\n"); _write_unlock (); } return DLCALL (cairo_surface_write_to_png, surface, filename); } cairo_status_t cairo_surface_write_to_png_stream (cairo_surface_t *surface, cairo_write_func_t write_func, void *data) { _emit_line_info (); if (surface != NULL && _write_lock ()) { char symbol[1024]; fprintf (logfile, "%% s%ld ", _get_surface_id (surface)); _emit_string_literal (lookup_symbol (symbol, sizeof (symbol), write_func), -1); fprintf (logfile, " write-to-png-stream\n"); _write_unlock (); } return DLCALL (cairo_surface_write_to_png_stream, surface, write_func, data); } #endif static void CAIRO_PRINTF_FORMAT(2, 3) _emit_pattern_op (cairo_pattern_t *pattern, const char *fmt, ...) { va_list ap; if (pattern == NULL || ! _write_lock ()) return; _emit_pattern (pattern); va_start (ap, fmt); vfprintf (logfile, fmt, ap); va_end (ap); _write_unlock (); } cairo_pattern_t * cairo_pattern_create_rgb (double red, double green, double blue) { cairo_pattern_t *ret; long pattern_id; ret = DLCALL (cairo_pattern_create_rgb, red, green, blue); pattern_id = _create_pattern_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "/p%ld %g %g %g rgb def\n", pattern_id, red, green, blue); _get_object (PATTERN, ret)->defined = true; _write_unlock (); } return ret; } cairo_pattern_t * cairo_pattern_create_rgba (double red, double green, double blue, double alpha) { cairo_pattern_t *ret; long pattern_id; ret = DLCALL (cairo_pattern_create_rgba, red, green, blue, alpha); pattern_id = _create_pattern_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "/p%ld %g %g %g %g rgba def\n", pattern_id, red, green, blue, alpha); _get_object (PATTERN, ret)->defined = true; _write_unlock (); } return ret; } cairo_pattern_t * cairo_pattern_create_for_surface (cairo_surface_t *surface) { cairo_pattern_t *ret; long pattern_id; long surface_id; ret = DLCALL (cairo_pattern_create_for_surface, surface); pattern_id = _create_pattern_id (ret); _emit_line_info (); if (surface != NULL && _write_lock ()) { surface_id = _get_surface_id (surface); if (_pop_operands_to (SURFACE, surface)) { _consume_operand (); } else { fprintf (logfile, "s%ld ", surface_id); } if (_get_object (SURFACE, surface)->foreign) _emit_source_image (surface); fprintf (logfile, "pattern %% p%ld\n", pattern_id); _push_operand (PATTERN, ret); _write_unlock (); } return ret; } cairo_pattern_t * cairo_pattern_create_linear (double x0, double y0, double x1, double y1) { cairo_pattern_t *ret; long pattern_id; ret = DLCALL (cairo_pattern_create_linear, x0, y0, x1, y1); pattern_id = _create_pattern_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "%g %g %g %g linear %% p%ld\n", x0, y0, x1, y1, pattern_id); _push_operand (PATTERN, ret); _write_unlock (); } return ret; } cairo_pattern_t * cairo_pattern_create_radial (double cx0, double cy0, double radius0, double cx1, double cy1, double radius1) { cairo_pattern_t *ret; long pattern_id; ret = DLCALL (cairo_pattern_create_radial, cx0, cy0, radius0, cx1, cy1, radius1); pattern_id = _create_pattern_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "%g %g %g %g %g %g radial %% p%ld\n", cx0, cy0, radius0, cx1, cy1, radius1, pattern_id); _push_operand (PATTERN, ret); _write_unlock (); } return ret; } void cairo_pattern_add_color_stop_rgb (cairo_pattern_t *pattern, double offset, double red, double green, double blue) { _emit_line_info (); _emit_pattern_op (pattern, "%g %g %g %g 1 add-color-stop\n", offset, red, green, blue); return DLCALL (cairo_pattern_add_color_stop_rgb, pattern, offset, red, green, blue); } void cairo_pattern_add_color_stop_rgba (cairo_pattern_t *pattern, double offset, double red, double green, double blue, double alpha) { _emit_line_info (); _emit_pattern_op (pattern, "%g %g %g %g %g add-color-stop\n", offset, red, green, blue, alpha); return DLCALL (cairo_pattern_add_color_stop_rgba, pattern, offset, red, green, blue, alpha); } void cairo_pattern_set_matrix (cairo_pattern_t *pattern, const cairo_matrix_t *matrix) { _emit_line_info (); if (_matrix_is_identity (matrix)) { _emit_pattern_op (pattern, "identity set-matrix\n"); } else { _emit_pattern_op (pattern, "%g %g %g %g %g %g matrix set-matrix\n", matrix->xx, matrix->yx, matrix->xy, matrix->yy, matrix->x0, matrix->y0); } return DLCALL (cairo_pattern_set_matrix, pattern, matrix); } static const char * _filter_to_string (cairo_filter_t filter) { const char *names[] = { "FILTER_FAST", /* CAIRO_FILTER_FAST */ "FILTER_GOOD", /* CAIRO_FILTER_GOOD */ "FILTER_BEST", /* CAIRO_FILTER_BEST */ "FILTER_NEAREST", /* CAIRO_FILTER_NEAREST */ "FILTER_BILINEAR", /* CAIRO_FILTER_BILINEAR */ "FILTER_GAUSSIAN", /* CAIRO_FILTER_GAUSSIAN */ }; return names[filter]; } void cairo_pattern_set_filter (cairo_pattern_t *pattern, cairo_filter_t filter) { _emit_line_info (); _emit_pattern_op (pattern, "//%s set-filter\n", _filter_to_string (filter)); return DLCALL (cairo_pattern_set_filter, pattern, filter); } static const char * _extend_to_string (cairo_extend_t extend) { const char *names[] = { "EXTEND_NONE", /* CAIRO_EXTEND_NONE */ "EXTEND_REPEAT", /* CAIRO_EXTEND_REPEAT */ "EXTEND_REFLECT", /* CAIRO_EXTEND_REFLECT */ "EXTEND_PAD" /* CAIRO_EXTEND_PAD */ }; return names[extend]; } void cairo_pattern_set_extend (cairo_pattern_t *pattern, cairo_extend_t extend) { _emit_line_info (); _emit_pattern_op (pattern, "//%s set-extend\n", _extend_to_string (extend)); return DLCALL (cairo_pattern_set_extend, pattern, extend); } #if CAIRO_HAS_FT_FONT cairo_font_face_t * cairo_ft_font_face_create_for_pattern (FcPattern *pattern) { cairo_font_face_t *ret; long font_face_id; ret = DLCALL (cairo_ft_font_face_create_for_pattern, pattern); font_face_id = _create_font_face_id (ret); _emit_line_info (); if (pattern != NULL && _write_lock ()) { FcChar8 *parsed; parsed = DLCALL (FcNameUnparse, pattern); fprintf (logfile, "dict\n" " /type 42 set\n" " /pattern "); _emit_string_literal ((char *) parsed, -1); fprintf (logfile, " set\n" " font\n"); _push_operand (FONT_FACE, ret); _write_unlock (); free (parsed); } return ret; } typedef struct _ft_face_data { unsigned long index; unsigned long size; void *data; } FtFaceData; static void _ft_face_data_destroy (void *arg) { FtFaceData *data = arg; free (data->data); free (data); } cairo_font_face_t * cairo_ft_font_face_create_for_ft_face (FT_Face face, int load_flags) { cairo_font_face_t *ret; Object *obj; FtFaceData *data; long font_face_id; ret = DLCALL (cairo_ft_font_face_create_for_ft_face, face, load_flags); font_face_id = _create_font_face_id (ret); if (face == NULL) return ret; obj = _get_object (NONE, face); data = obj->data; if (data == NULL) return ret; _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type 42 set\n" " /source "); _emit_data (data->data, data->size); fprintf (logfile, " /deflate filter set\n" " /size %lu set\n" " /index %lu set\n" " /flags %d set\n" " font\n", data->size, data->index, load_flags); _push_operand (FONT_FACE, ret); _write_unlock (); } return ret; } static bool _ft_read_file (FtFaceData *data, const char *path) { char buf[4096]; FILE *file; file = fopen (path, "rb"); if (file != NULL) { size_t ret; unsigned long int allocated = 8192; data->data = malloc (allocated); do { ret = fread (buf, 1, sizeof (buf), file); if (ret == 0) break; memcpy ((char *) data->data + data->size, buf, ret); data->size += ret; if (ret != sizeof (buf)) break; if (data->size == allocated) { allocated *= 2; data->data = realloc (data->data, allocated); } } while (true); fclose (file); } return file != NULL; } FT_Error FT_New_Face (FT_Library library, const char *pathname, FT_Long index, FT_Face *face) { FT_Error ret; ret = DLCALL (FT_New_Face, library, pathname, index, face); if (ret == 0) { Object *obj = _type_object_create (NONE, *face); FtFaceData *data = malloc (sizeof (FtFaceData)); data->index = index; data->size = 0; data->data = NULL; _ft_read_file (data, pathname); obj->data = data; obj->destroy = _ft_face_data_destroy; } return ret; } FT_Error FT_New_Memory_Face (FT_Library library, const FT_Byte *mem, FT_Long size, FT_Long index, FT_Face *face) { FT_Error ret; ret = DLCALL (FT_New_Memory_Face, library, mem, size, index, face); if (ret == 0) { Object *obj = _type_object_create (NONE, *face); FtFaceData *data = malloc (sizeof (FtFaceData)); data->index = index; data->size = size; data->data = malloc (size); memcpy (data->data, mem, size); obj->data = data; obj->destroy = _ft_face_data_destroy; } return ret; } FT_Error FT_Open_Face (FT_Library library, const FT_Open_Args *args, FT_Long index, FT_Face *face) { FT_Error ret; ret = DLCALL (FT_Open_Face, library, args, index, face); if (args->flags & FT_OPEN_MEMORY) fprintf (stderr, "FT_Open_Face (mem=%p, %ld, %ld) = %p\n", args->memory_base, args->memory_size, index, *face); else if (args->flags & FT_OPEN_STREAM) fprintf (stderr, "FT_Open_Face (stream, %ld) = %p\n", index, *face); else if (args->flags & FT_OPEN_PATHNAME) fprintf (stderr, "FT_Open_Face (path=%s, %ld) = %p\n", args->pathname, index, *face); return ret; } FT_Error FT_Done_Face (FT_Face face) { _object_destroy (_get_object (NONE, face)); return DLCALL (FT_Done_Face, face); } #endif #if CAIRO_HAS_PS_SURFACE #include cairo_surface_t * cairo_ps_surface_create (const char *filename, double width_in_points, double height_in_points) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_ps_surface_create, filename, width_in_points, height_in_points); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /PS set\n" " /filename "); _emit_string_literal (filename, -1); fprintf (logfile, " set\n" " /width %g set\n" " /height %g set\n" " surface %% s%ld\n", width_in_points, height_in_points, surface_id); _get_object (SURFACE, ret)->width = width_in_points; _get_object (SURFACE, ret)->height = height_in_points; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } cairo_surface_t * cairo_ps_surface_create_for_stream (cairo_write_func_t write_func, void *closure, double width_in_points, double height_in_points) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_ps_surface_create_for_stream, write_func, closure, width_in_points, height_in_points); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /PS set\n" " /width %g set\n" " /height %g set\n" " surface %% s%ld\n", width_in_points, height_in_points, surface_id); _get_object (SURFACE, ret)->width = width_in_points; _get_object (SURFACE, ret)->height = height_in_points; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } void cairo_ps_surface_set_size (cairo_surface_t *surface, double width_in_points, double height_in_points) { _emit_line_info (); return DLCALL (cairo_ps_surface_set_size, surface, width_in_points, height_in_points); } #endif #if CAIRO_HAS_PDF_SURFACE #include cairo_surface_t * cairo_pdf_surface_create (const char *filename, double width_in_points, double height_in_points) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_pdf_surface_create, filename, width_in_points, height_in_points); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /PDF set\n" " /filename "); _emit_string_literal (filename, -1); fprintf (logfile, " set\n" " /width %g set\n" " /height %g set\n" " surface %% s%ld\n", width_in_points, height_in_points, surface_id); _get_object (SURFACE, ret)->width = width_in_points; _get_object (SURFACE, ret)->height = height_in_points; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } cairo_surface_t * cairo_pdf_surface_create_for_stream (cairo_write_func_t write_func, void *closure, double width_in_points, double height_in_points) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_pdf_surface_create_for_stream, write_func, closure, width_in_points, height_in_points); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /PDF set\n" " /width %g set\n" " /height %g set\n" " surface %% s%ld\n", width_in_points, height_in_points, surface_id); _get_object (SURFACE, ret)->width = width_in_points; _get_object (SURFACE, ret)->height = height_in_points; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } void cairo_pdf_surface_set_size (cairo_surface_t *surface, double width_in_points, double height_in_points) { _emit_line_info (); return DLCALL (cairo_pdf_surface_set_size, surface, width_in_points, height_in_points); } #endif #if CAIRO_HAS_SVG_SURFACE #include cairo_surface_t * cairo_svg_surface_create (const char *filename, double width, double height) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_svg_surface_create, filename, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /SVG set\n" " /filename "); _emit_string_literal (filename, -1); fprintf (logfile, " set\n" " /width %g set\n" " /height %g set\n" " surface %% s%ld\n", width, height, surface_id); _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } cairo_surface_t * cairo_svg_surface_create_for_stream (cairo_write_func_t write_func, void *closure, double width, double height) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_svg_surface_create_for_stream, write_func, closure, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /SVG set\n" " /width %g set\n" " /height %g set\n" " surface %% s%ld\n", width, height, surface_id); _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } #endif #if CAIRO_HAS_PNG_FUNCTIONS cairo_surface_t * cairo_image_surface_create_from_png (const char *filename) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_image_surface_create_from_png, filename); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { char filename_string[4096]; _encode_string_literal (filename_string, sizeof (filename_string), filename, -1); _emit_image (ret, " /filename %s set\n", filename_string); fprintf (logfile, " dup /s%ld exch def\n", surface_id); _get_object (SURFACE, ret)->width = cairo_image_surface_get_width (ret); _get_object (SURFACE, ret)->height = cairo_image_surface_get_height (ret); _get_object (SURFACE, ret)->defined = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } cairo_surface_t * cairo_image_surface_create_from_png_stream (cairo_read_func_t read_func, void *closure) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_image_surface_create_from_png_stream, read_func, closure); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { _emit_image (ret, NULL); fprintf (logfile, " dup /s%ld exch def\n", surface_id); _get_object (SURFACE, ret)->width = cairo_image_surface_get_width (ret); _get_object (SURFACE, ret)->height = cairo_image_surface_get_height (ret); _get_object (SURFACE, ret)->defined = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } #endif #if CAIRO_HAS_XLIB_SURFACE #include cairo_surface_t * cairo_xlib_surface_create (Display *dpy, Drawable drawable, Visual *visual, int width, int height) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_xlib_surface_create, dpy, drawable, visual, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /xlib set\n" " /drawable 16!%lx set\n" " /width %d set\n" " /height %d set\n" " surface dup /s%ld exch def\n", drawable, width, height, surface_id); _get_object (SURFACE, ret)->defined = true; _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->foreign = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } cairo_surface_t * cairo_xlib_surface_create_for_bitmap (Display *dpy, Pixmap bitmap, Screen *screen, int width, int height) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_xlib_surface_create_for_bitmap, dpy, bitmap, screen, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /xlib set\n" " /drawable 16!%lx set\n" " /width %d set\n" " /height %d set\n" " /depth 1 set\n" " surface dup /s%ld exch def\n", bitmap, width, height, surface_id); _get_object (SURFACE, ret)->defined = true; _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->foreign = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } #if CAIRO_HAS_XLIB_XRENDER_SURFACE #include cairo_surface_t * cairo_xlib_surface_create_with_xrender_format (Display *dpy, Drawable drawable, Screen *screen, XRenderPictFormat *format, int width, int height) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_xlib_surface_create_with_xrender_format, dpy, drawable, screen, format, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /xrender set\n" " /drawable 16!%lx set\n" " /width %d set\n" " /height %d set\n" " /depth %d set\n" " surface dup /s%ld exch def\n", drawable, width, height, format->depth, surface_id); _get_object (SURFACE, ret)->defined = true; _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->foreign = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } #endif #endif #if CAIRO_HAS_SCRIPT_SURFACE #include cairo_surface_t * cairo_script_surface_create (const char *filename, double width, double height) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_script_surface_create, filename, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /script set\n" " /filename "); _emit_string_literal (filename, -1); fprintf (logfile, " set\n" " /width %g set\n" " /height %g set\n" " surface dup /s%ld exch def\n", width, height, surface_id); _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->defined = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } cairo_surface_t * cairo_script_surface_create_for_stream (cairo_write_func_t write_func, void *data, double width, double height) { cairo_surface_t *ret; long surface_id; ret = DLCALL (cairo_script_surface_create_for_stream, write_func, data, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /script set\n" " /width %g set\n" " /height %g set\n" " surface dup /s%ld exch def\n", width, height, surface_id); _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->defined = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } #endif #if CAIRO_HAS_TEST_SURFACES #include cairo_surface_t * _cairo_test_fallback_surface_create (cairo_content_t content, int width, int height) { cairo_surface_t *ret; long surface_id; ret = DLCALL (_cairo_test_fallback_surface_create, content, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /test-fallback set\n" " /content //%s set\n" " /width %d set\n" " /height %d set\n" " surface dup /s%ld exch def\n", _content_to_string (content), width, height, surface_id); _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->defined = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } #include cairo_surface_t * _cairo_test_paginated_surface_create_for_data (unsigned char *data, cairo_content_t content, int width, int height, int stride) { cairo_surface_t *ret; long surface_id; ret = DLCALL (_cairo_test_paginated_surface_create_for_data, data, content, width, height, stride); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { /* XXX store initial data? */ fprintf (logfile, "dict\n" " /type /test-paginated set\n" " /content //%s set\n" " /width %d set\n" " /height %d set\n" " /stride %d set\n" " surface dup /s%ld exch def\n", _content_to_string (content), width, height, stride, surface_id); _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->defined = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } #include cairo_surface_t * _cairo_test_meta_surface_create (cairo_content_t content, int width, int height) { cairo_surface_t *ret; long surface_id; ret = DLCALL (_cairo_test_meta_surface_create, content, width, height); surface_id = _create_surface_id (ret); _emit_line_info (); if (_write_lock ()) { fprintf (logfile, "dict\n" " /type /test-meta set\n" " /content //%s set\n" " /width %d set\n" " /height %d set\n" " surface dup /s%ld exch def\n", _content_to_string (content), width, height, surface_id); _get_object (SURFACE, ret)->width = width; _get_object (SURFACE, ret)->height = height; _get_object (SURFACE, ret)->defined = true; _push_operand (SURFACE, ret); _write_unlock (); } return ret; } #endif