maride/guacamole-spice-protocol
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Experimental support for resized framebuffer.

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This commit is contained in:
Michael Jumper 2011-03-13 18:34:58 -07:00
parent 74150f373e
commit 555c7b9a97
1 changed files with 38 additions and 5 deletions
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43
protocols/vnc/src/vnc_client.c
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@ -63,8 +63,12 @@ static char* __GUAC_CLIENT = "GUAC_CLIENT";
typedef struct vnc_guac_client_data {
rfbClient* rfb_client;
MallocFrameBufferProc rfb_MallocFrameBuffer;
png_byte** png_buffer;
png_byte** png_buffer_alpha;
int buffer_height;
int copy_rect_used;
char* password;
@ -207,6 +211,27 @@ char* guac_vnc_get_password(rfbClient* client) {
return ((vnc_guac_client_data*) gc->data)->password;
}
rfbBool guac_vnc_malloc_framebuffer(rfbClient* rfb_client) {
guac_client* gc = rfbClientGetClientData(rfb_client, __GUAC_CLIENT);
vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) gc->data;
/* Free old buffers */
guac_free_png_buffer(guac_client_data->png_buffer, guac_client_data->buffer_height);
guac_free_png_buffer(guac_client_data->png_buffer_alpha, guac_client_data->buffer_height);
/* Allocate new buffers */
guac_client_data->png_buffer = guac_alloc_png_buffer(rfb_client->width, rfb_client->height, 3); /* No-alpha */
guac_client_data->png_buffer_alpha = guac_alloc_png_buffer(rfb_client->width, rfb_client->height, 4); /* With alpha */
guac_client_data->buffer_height = rfb_client->height;
/* Send new size */
guac_send_size(gc->io, rfb_client->width, rfb_client->height);
/* Use original, wrapped proc */
return guac_client_data->rfb_MallocFrameBuffer(rfb_client);
}
void guac_vnc_cut_text(rfbClient* client, const char* text, int textlen) {
@ -272,13 +297,15 @@ int vnc_guac_client_clipboard_handler(guac_client* client, char* data) {
int vnc_guac_client_free_handler(guac_client* client) {
rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
png_byte** png_buffer = ((vnc_guac_client_data*) client->data)->png_buffer;
png_byte** png_buffer_alpha = ((vnc_guac_client_data*) client->data)->png_buffer_alpha;
vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) client->data;
rfbClient* rfb_client = guac_client_data->rfb_client;
png_byte** png_buffer = guac_client_data->png_buffer;
png_byte** png_buffer_alpha = guac_client_data->png_buffer_alpha;
/* Free PNG data */
guac_free_png_buffer(png_buffer, rfb_client->height);
guac_free_png_buffer(png_buffer_alpha, rfb_client->height);
guac_free_png_buffer(png_buffer, guac_client_data->buffer_height);
guac_free_png_buffer(png_buffer_alpha, guac_client_data->buffer_height);
/* Free generic data struct */
free(client->data);
@ -356,6 +383,11 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
/* Password */
rfb_client->GetPassword = guac_vnc_get_password;
/* Hook into allocation so we can handle resize. */
guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer;
rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer;
rfb_client->canHandleNewFBSize = 1;
/* Store Guac client in rfb client */
rfbClientSetClientData(rfb_client, __GUAC_CLIENT, client);
@ -378,6 +410,7 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
guac_client_data->rfb_client = rfb_client;
guac_client_data->png_buffer = png_buffer;
guac_client_data->png_buffer_alpha = png_buffer_alpha;
guac_client_data->buffer_height = rfb_client->height;
guac_client_data->copy_rect_used = 0;
/* Set handlers */