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51c63587a1
Don't get caught in an infinite loop if the source gets disconnected and also support gracefully failing upon detecting the frame geometry has increased (rather than segfaulting). https://bugzilla.gnome.org/show_bug.cgi?id=635397
120 lines
2.6 KiB
C
120 lines
2.6 KiB
C
#ifndef _LIBRFB_DECODER_H_
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#define _LIBRFB_DECODER_H_
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#include <glib.h>
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G_BEGIN_DECLS enum
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{
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SECURITY_FAIL = 0,
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SECURITY_NONE,
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SECURITY_VNC,
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};
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#define IS_VERSION(x, ma, mi) ((x->protocol_major == ma) && (x->protocol_minor == mi))
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#define IS_VERSION_3_3(x) IS_VERSION(x, 3, 3)
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#define IS_VERSION_3_7(x) IS_VERSION(x, 3, 7)
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#define IS_VERSION_3_8(x) IS_VERSION(x, 3, 8)
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#define MESSAGE_TYPE_FRAMEBUFFER_UPDATE 0
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#define ENCODING_TYPE_RAW 0
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#define ENCODING_TYPE_COPYRECT 1
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#define ENCODING_TYPE_RRE 2
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#define ENCODING_TYPE_CORRE 4
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#define ENCODING_TYPE_HEXTILE 5
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#define SUBENCODING_RAW 1
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#define SUBENCODING_BACKGROUND 2
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#define SUBENCODING_FOREGROUND 4
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#define SUBENCODING_ANYSUBRECTS 8
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#define SUBENCODING_SUBRECTSCOLORED 16
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typedef struct _RfbDecoder RfbDecoder;
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struct _RfbDecoder
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{
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/* callbacks */
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gboolean (*state) (RfbDecoder * decoder);
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gpointer buffer_handler_data;
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gint fd;
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guint8 *data;
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guint32 data_len;
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gpointer decoder_private;
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guint8 *frame;
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guint8 *prev_frame;
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/* settable properties */
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gboolean shared_flag;
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gboolean disconnected;
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/* readable properties */
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gboolean inited;
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guint protocol_major;
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guint protocol_minor;
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guint security_type;
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gchar *password;
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gboolean use_copyrect;
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guint width;
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guint height;
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guint bpp;
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guint depth;
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gboolean big_endian;
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gboolean true_colour;
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guint red_max;
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guint green_max;
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guint blue_max;
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guint red_shift;
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guint green_shift;
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guint blue_shift;
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gchar *name;
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/* information if we don't want to update the whole screen */
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guint offset_x;
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guint offset_y;
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guint rect_width;
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guint rect_height;
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gint n_rects;
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/* some many used values */
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guint bytespp;
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guint line_size;
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};
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#if 0
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typedef struct _RfbRect
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{
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RfbConnection *connection;
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guint x_pos;
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guint y_pos;
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guint width;
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guint height;
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guint encoding_type;
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gchar *data;
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} RfbRect;
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#endif
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RfbDecoder *rfb_decoder_new (void);
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void rfb_decoder_free (RfbDecoder * decoder);
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void rfb_decoder_use_file_descriptor (RfbDecoder * decoder, gint fd);
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gboolean rfb_decoder_connect_tcp (RfbDecoder * decoder,
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gchar * addr, guint port);
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gboolean rfb_decoder_iterate (RfbDecoder * decoder);
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void rfb_decoder_send_update_request (RfbDecoder * decoder,
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gboolean incremental, gint x, gint y, gint width, gint height);
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void rfb_decoder_send_key_event (RfbDecoder * decoder,
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guint key, gboolean down_flag);
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void rfb_decoder_send_pointer_event (RfbDecoder * decoder,
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gint button_mask, gint x, gint y);
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G_END_DECLS
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#endif
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