GUAC-240: Add function for streaming JPEG images via img instruction.
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@ -24,6 +24,7 @@
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#include "client.h"
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#include "client-handlers.h"
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#include "encode-jpeg.h"
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#include "encode-png.h"
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#include "error.h"
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#include "instruction.h"
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@ -397,3 +398,24 @@ void guac_client_stream_png(guac_client* client, guac_socket* socket,
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}
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void guac_client_stream_jpeg(guac_client* client, guac_socket* socket,
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guac_composite_mode mode, const guac_layer* layer, int x, int y,
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cairo_surface_t* surface, int quality) {
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/* Allocate new stream for image */
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guac_stream* stream = guac_client_alloc_stream(client);
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/* Declare stream as containing image data */
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guac_protocol_send_img(socket, stream, mode, layer, "image/jpeg", x, y);
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/* Write JPEG data */
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guac_jpeg_write(socket, stream, surface, quality);
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/* Terminate stream */
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guac_protocol_send_end(socket, stream);
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/* Free allocated stream */
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guac_client_free_stream(client, stream);
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}
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@ -661,6 +661,39 @@ void guac_client_stream_png(guac_client* client, guac_socket* socket,
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guac_composite_mode mode, const guac_layer* layer, int x, int y,
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cairo_surface_t* surface);
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/**
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* Streams the image data of the given surface over an image stream ("img"
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* instruction) as JPEG-encoded data at the given quality. The image stream
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* will be automatically allocated and freed.
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*
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* @param client
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* The Guacamole client from which the image stream should be allocated.
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*
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* @param socket
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* The socket over which instructions associated with the image stream
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* should be sent.
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*
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* @param mode
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* The composite mode to use when rendering the image over the given layer.
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*
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* @param layer
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* The destination layer.
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*
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* @param x
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* The X coordinate of the upper-left corner of the destination rectangle
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* within the given layer.
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*
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* @param y
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* The Y coordinate of the upper-left corner of the destination rectangle
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* within the given layer.
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*
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* @param surface
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* A Cairo surface containing the image data to be streamed.
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*/
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void guac_client_stream_jpeg(guac_client* client, guac_socket* socket,
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guac_composite_mode mode, const guac_layer* layer, int x, int y,
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cairo_surface_t* surface, int quality);
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/**
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* The default Guacamole client layer, layer 0.
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*/
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