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GUAC-240: Make JPEG quality a parameter to methods. Reorder JPEG_LIBS in LDFLAGS

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This commit is contained in:
Frode Langelo 2015-07-31 15:41:55 -07:00 committed by Michael Jumper
parent c27e2997dd
commit 240867a432
3 changed files with 15 additions and 7 deletions
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4
src/libguac/Makefile.am
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@ -97,11 +97,11 @@ libguac_la_CFLAGS = \
libguac_la_LDFLAGS = \
-version-info 9:0:0 \
@CAIRO_LIBS@ \
@JPEG_LIBS@ \
@PNG_LIBS@ \
@PTHREAD_LIBS@ \
@UUID_LIBS@ \
@VORBIS_LIBS@ \
@JPEG_LIBS@
@VORBIS_LIBS@
libguac_la_LIBADD = \
@LIBADD_DLOPEN@

6
src/libguac/guacamole/protocol.h
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@ -637,11 +637,15 @@ int guac_protocol_send_png(guac_socket* socket, guac_composite_mode mode,
* @param surface
* A cairo surface containing the image data to send.
*
* @param quality
* JPEG image quality.
*
* @return
* Zero on success, non-zero on error.
*/
int guac_protocol_send_jpeg(guac_socket* socket, guac_composite_mode mode,
const guac_layer* layer, int x, int y, cairo_surface_t* surface);
const guac_layer* layer, int x, int y, cairo_surface_t* surface,
int quality);
/**
* Sends a pop instruction over the given guac_socket connection.

12
src/libguac/protocol.c
View File

@ -85,10 +85,14 @@ ssize_t __guac_socket_write_length_double(guac_socket* socket, double d) {
* @param surface
*   A cairo surface containing the image data to send.
*
* @param quality
* JPEG image quality.
*
* @return
* Zero on success, non-zero on error.
*/
static int __guac_socket_write_length_jpeg(guac_socket* socket, cairo_surface_t* surface) {
static int __guac_socket_write_length_jpeg(guac_socket* socket,
cairo_surface_t* surface, int quality) {
/* Get image surface properties and data */
cairo_format_t format = cairo_image_surface_get_format(surface);
@ -99,7 +103,6 @@ static int __guac_socket_write_length_jpeg(guac_socket* socket, cairo_surface_t*
return -1;
}
int quality = 80; /* JPEG compression quality setting */
int width = cairo_image_surface_get_width(surface);
int height = cairo_image_surface_get_height(surface);
int stride = cairo_image_surface_get_stride(surface);
@ -1181,7 +1184,8 @@ int guac_protocol_send_pipe(guac_socket* socket, const guac_stream* stream,
}
int guac_protocol_send_jpeg(guac_socket* socket, guac_composite_mode mode,
const guac_layer* layer, int x, int y, cairo_surface_t* surface) {
const guac_layer* layer, int x, int y, cairo_surface_t* surface,
int quality) {
int ret_val;
@ -1196,7 +1200,7 @@ int guac_protocol_send_jpeg(guac_socket* socket, guac_composite_mode mode,
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_int(socket, y)
|| guac_socket_write_string(socket, ",")
|| __guac_socket_write_length_jpeg(socket, surface)
|| __guac_socket_write_length_jpeg(socket, surface, quality)
|| guac_socket_write_string(socket, ";");
guac_socket_instruction_end(socket);