2 /* ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
15 * The Original Code is libguac-client-rdp.
17 * The Initial Developer of the Original Code is
19 * Portions created by the Initial Developer are Copyright (C) 2011
20 * the Initial Developer. All Rights Reserved.
25 * Alternatively, the contents of this file may be used under the terms of
26 * either the GNU General Public License Version 2 or later (the "GPL"), or
27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
29 * of those above. If you wish to allow use of your version of this file only
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32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
37 * ***** END LICENSE BLOCK ***** */
39 #include <freerdp/freerdp.h>
41 #include <guacamole/client.h>
44 #include "rdp_glyph.h"
46 void guac_rdp_glyph_new(rdpContext* context, rdpGlyph* glyph) {
50 unsigned char* image_buffer;
51 unsigned char* image_buffer_row;
53 unsigned char* data = glyph->aj;
54 int width = glyph->cx;
55 int height = glyph->cy;
57 /* Init Cairo buffer */
58 stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
59 image_buffer = malloc(height*stride);
60 image_buffer_row = image_buffer;
62 /* Copy image data from image data to buffer */
63 for (y = 0; y<height; y++) {
65 unsigned int* image_buffer_current;
67 /* Get current buffer row, advance to next */
68 image_buffer_current = (unsigned int*) image_buffer_row;
69 image_buffer_row += stride;
71 for (x = 0; x<width;) {
73 /* Get byte from image data */
74 unsigned int v = *(data++);
76 /* Read bits, write pixels */
77 for (i = 0; i<8 && x<width; i++, x++) {
81 *(image_buffer_current++) = 0xFF000000;
83 *(image_buffer_current++) = 0x00000000;
93 /* Store glyph surface */
94 ((guac_rdp_glyph*) glyph)->surface = cairo_image_surface_create_for_data(
95 image_buffer, CAIRO_FORMAT_ARGB32, width, height, stride);
99 void guac_rdp_glyph_draw(rdpContext* context, rdpGlyph* glyph, int x, int y) {
101 guac_client* client = ((rdp_freerdp_context*) context)->client;
102 rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
104 /* Use glyph as mask */
106 guac_client_data->glyph_cairo,
107 ((guac_rdp_glyph*) glyph)->surface, x, y);
109 /* Fill rectangle with foreground */
110 cairo_rectangle(guac_client_data->glyph_cairo, x, y, glyph->cx, glyph->cy);
111 cairo_fill(guac_client_data->glyph_cairo);
115 void guac_rdp_glyph_free(rdpContext* context, rdpGlyph* glyph) {
117 unsigned char* image_buffer = cairo_image_surface_get_data(
118 ((guac_rdp_glyph*) glyph)->surface);
121 cairo_surface_destroy(((guac_rdp_glyph*) glyph)->surface);
126 void guac_rdp_glyph_begindraw(rdpContext* context,
127 int x, int y, int width, int height, uint32 fgcolor, uint32 bgcolor) {
129 guac_client* client = ((rdp_freerdp_context*) context)->client;
130 rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
132 bgcolor = freerdp_color_convert_var(bgcolor,
133 context->instance->settings->color_depth, 32,
134 ((rdp_freerdp_context*) context)->clrconv);
136 fgcolor = freerdp_color_convert_var(fgcolor,
137 context->instance->settings->color_depth, 32,
138 ((rdp_freerdp_context*) context)->clrconv);
140 guac_client_data->foreground.blue = fgcolor & 0x0000FF;
141 guac_client_data->foreground.green = (fgcolor & 0x00FF00) >> 8;
142 guac_client_data->foreground.red = (fgcolor & 0xFF0000) >> 16;
144 guac_client_data->background.blue = bgcolor & 0x0000FF;
145 guac_client_data->background.green = (bgcolor & 0x00FF00) >> 8;
146 guac_client_data->background.red = (bgcolor & 0xFF0000) >> 16;
148 /* Create glyph surface and cairo instance */
149 guac_client_data->glyph_surface = cairo_image_surface_create(
150 CAIRO_FORMAT_RGB24, width, height);
152 guac_client_data->glyph_cairo = cairo_create(
153 guac_client_data->glyph_surface);
155 /* Fill with color */
156 cairo_set_source_rgb(guac_client_data->glyph_cairo,
157 guac_client_data->background.red / 255.0,
158 guac_client_data->background.green / 255.0,
159 guac_client_data->background.blue / 255.0);
161 cairo_rectangle(guac_client_data->glyph_cairo,
162 0, 0, width, height);
164 cairo_fill(guac_client_data->glyph_cairo);
166 /* Prepare for glyph drawing */
167 cairo_set_source_rgb(guac_client_data->glyph_cairo,
168 guac_client_data->foreground.red / 255.0,
169 guac_client_data->foreground.green / 255.0,
170 guac_client_data->foreground.blue / 255.0);
174 void guac_rdp_glyph_enddraw(rdpContext* context,
175 int x, int y, int width, int height, uint32 fgcolor, uint32 bgcolor) {
177 guac_client* client = ((rdp_freerdp_context*) context)->client;
178 rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
179 const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
181 /* Send surface with all glyphs to layer */
182 guac_protocol_send_png(client->socket,
183 GUAC_COMP_OVER, current_layer, x, y,
184 guac_client_data->glyph_surface);
186 /* Clean up cairo and glyph surface */
187 cairo_destroy(guac_client_data->glyph_cairo);
188 cairo_surface_destroy(guac_client_data->glyph_surface);