maride/guacamole-spice-protocol
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Clip instruction.

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This commit is contained in:
Michael Jumper 2011-07-21 15:15:58 -07:00
parent 6341346cb7
commit 3828702b64
2 changed files with 82 additions and 0 deletions
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34
libguac/include/protocol.h
View File

@ -271,6 +271,40 @@ int guac_send_copy(GUACIO* io,
const guac_layer* srcl, int srcx, int srcy, int w, int h,
guac_composite_mode_t mode, const guac_layer* dstl, int dstx, int dsty);
/**
* Sends a rect instruction over the given GUACIO connection.
*
* @param io The GUACIO connection to use.
* @param mode The composite mode to use.
* @param layer The destination layer.
* @param x The X coordinate of the rectangle.
* @param y The Y coordinate of the rectangle.
* @param width The width of the rectangle.
* @param height The height of the rectangle.
* @param r The red component of the color of the rectangle.
* @param g The green component of the color of the rectangle.
* @param b The blue component of the color of the rectangle.
* @param a The alpha (transparency) component of the color of the rectangle.
* @return Zero on success, non-zero on error.
*/
int guac_send_rect(GUACIO* io,
guac_composite_mode_t mode, const guac_layer* layer,
int x, int y, int width, int height,
int r, int g, int b, int a);
/**
* Sends a clip instruction over the given GUACIO connection.
*
* @param io The GUACIO connection to use.
* @param layer The layer to set the clipping region of.
* @param x The X coordinate of the clipping rectangle.
* @param y The Y coordinate of the clipping rectangle.
* @param width The width of the clipping rectangle.
* @param height The height of the clipping rectangle.
*/
int guac_send_clip(GUACIO* io, const guac_layer* layer,
int x, int y, int width, int height);
/**
* Sends a png instruction over the given GUACIO connection. The PNG image data
* given will be automatically base64-encoded for transmission.

48
libguac/src/protocol.c
View File

@ -299,6 +299,54 @@ int guac_send_copy(GUACIO* io,
}
int guac_send_rect(GUACIO* io,
guac_composite_mode_t mode, const guac_layer* layer,
int x, int y, int width, int height,
int r, int g, int b, int a) {
return
guac_write_string(io, "rect:")
|| guac_write_int(io, mode)
|| guac_write_string(io, ",")
|| guac_write_int(io, layer->index)
|| guac_write_string(io, ",")
|| guac_write_int(io, x)
|| guac_write_string(io, ",")
|| guac_write_int(io, y)
|| guac_write_string(io, ",")
|| guac_write_int(io, width)
|| guac_write_string(io, ",")
|| guac_write_int(io, height)
|| guac_write_string(io, ",")
|| guac_write_int(io, r)
|| guac_write_string(io, ",")
|| guac_write_int(io, g)
|| guac_write_string(io, ",")
|| guac_write_int(io, b)
|| guac_write_string(io, ",")
|| guac_write_int(io, a)
|| guac_write_string(io, ";");
}
int guac_send_clip(GUACIO* io, const guac_layer* layer,
int x, int y, int width, int height) {
return
guac_write_string(io, "clip:")
|| guac_write_int(io, layer->index)
|| guac_write_string(io, ",")
|| guac_write_int(io, x)
|| guac_write_string(io, ",")
|| guac_write_int(io, y)
|| guac_write_string(io, ",")
|| guac_write_int(io, width)
|| guac_write_string(io, ",")
|| guac_write_int(io, height)
|| guac_write_string(io, ";");
}
cairo_status_t __guac_write_png(void* closure, const unsigned char* data, unsigned int length) {
GUACIO* io = (GUACIO*) closure;