Experimental support for resized framebuffer.
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@ -63,8 +63,12 @@ static char* __GUAC_CLIENT = "GUAC_CLIENT";
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typedef struct vnc_guac_client_data {
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rfbClient* rfb_client;
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MallocFrameBufferProc rfb_MallocFrameBuffer;
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png_byte** png_buffer;
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png_byte** png_buffer_alpha;
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int buffer_height;
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int copy_rect_used;
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char* password;
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@ -207,6 +211,27 @@ char* guac_vnc_get_password(rfbClient* client) {
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return ((vnc_guac_client_data*) gc->data)->password;
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}
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rfbBool guac_vnc_malloc_framebuffer(rfbClient* rfb_client) {
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guac_client* gc = rfbClientGetClientData(rfb_client, __GUAC_CLIENT);
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vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) gc->data;
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/* Free old buffers */
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guac_free_png_buffer(guac_client_data->png_buffer, guac_client_data->buffer_height);
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guac_free_png_buffer(guac_client_data->png_buffer_alpha, guac_client_data->buffer_height);
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/* Allocate new buffers */
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guac_client_data->png_buffer = guac_alloc_png_buffer(rfb_client->width, rfb_client->height, 3); /* No-alpha */
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guac_client_data->png_buffer_alpha = guac_alloc_png_buffer(rfb_client->width, rfb_client->height, 4); /* With alpha */
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guac_client_data->buffer_height = rfb_client->height;
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/* Send new size */
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guac_send_size(gc->io, rfb_client->width, rfb_client->height);
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/* Use original, wrapped proc */
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return guac_client_data->rfb_MallocFrameBuffer(rfb_client);
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}
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void guac_vnc_cut_text(rfbClient* client, const char* text, int textlen) {
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@ -272,13 +297,15 @@ int vnc_guac_client_clipboard_handler(guac_client* client, char* data) {
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int vnc_guac_client_free_handler(guac_client* client) {
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rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
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png_byte** png_buffer = ((vnc_guac_client_data*) client->data)->png_buffer;
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png_byte** png_buffer_alpha = ((vnc_guac_client_data*) client->data)->png_buffer_alpha;
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vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) client->data;
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rfbClient* rfb_client = guac_client_data->rfb_client;
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png_byte** png_buffer = guac_client_data->png_buffer;
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png_byte** png_buffer_alpha = guac_client_data->png_buffer_alpha;
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/* Free PNG data */
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guac_free_png_buffer(png_buffer, rfb_client->height);
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guac_free_png_buffer(png_buffer_alpha, rfb_client->height);
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guac_free_png_buffer(png_buffer, guac_client_data->buffer_height);
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guac_free_png_buffer(png_buffer_alpha, guac_client_data->buffer_height);
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/* Free generic data struct */
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free(client->data);
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@ -356,6 +383,11 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
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/* Password */
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rfb_client->GetPassword = guac_vnc_get_password;
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/* Hook into allocation so we can handle resize. */
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guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer;
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rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer;
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rfb_client->canHandleNewFBSize = 1;
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/* Store Guac client in rfb client */
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rfbClientSetClientData(rfb_client, __GUAC_CLIENT, client);
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@ -378,6 +410,7 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
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guac_client_data->rfb_client = rfb_client;
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guac_client_data->png_buffer = png_buffer;
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guac_client_data->png_buffer_alpha = png_buffer_alpha;
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guac_client_data->buffer_height = rfb_client->height;
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guac_client_data->copy_rect_used = 0;
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/* Set handlers */
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