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Working glyph rendering (except for transparent text)

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This commit is contained in:
Michael Jumper 2012-04-05 22:38:10 -07:00
parent 6659af55c2
commit 6781338aaa
3 changed files with 54 additions and 50 deletions
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9
protocols/rdp/include/client.h
View File

@ -47,12 +47,6 @@
#define RDP_DEFAULT_PORT 3389
typedef struct guac_rdp_color {
int red;
int green;
int blue;
} guac_rdp_color;
typedef struct rdp_guac_client_data {
freerdp* rdp_inst;
@ -60,9 +54,6 @@ typedef struct rdp_guac_client_data {
int mouse_button_mask;
guac_rdp_color foreground;
guac_rdp_color background;
/**
* Cairo surface which will receive all drawn glyphs.
*/

15
protocols/rdp/src/client.c
View File

@ -193,10 +193,6 @@ boolean rdp_freerdp_post_connect(freerdp* instance) {
client->mouse_handler = rdp_guac_client_mouse_handler;
client->key_handler = rdp_guac_client_key_handler;
/* Send size */
guac_protocol_send_size(client->socket, GUAC_DEFAULT_LAYER,
instance->settings->width, instance->settings->height);
return true;
}
@ -393,6 +389,17 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
/* Send connection name */
guac_protocol_send_name(client->socket, settings->window_title);
/* Send size */
guac_protocol_send_size(client->socket, GUAC_DEFAULT_LAYER,
settings->width, settings->height);
/* Create glyph surface and cairo instance */
guac_client_data->glyph_surface = cairo_image_surface_create(
CAIRO_FORMAT_RGB24, settings->width, settings->height);
guac_client_data->glyph_cairo = cairo_create(
guac_client_data->glyph_surface);
/* Success */
return 0;

80
protocols/rdp/src/rdp_glyph.c
View File

@ -39,6 +39,7 @@
#include <freerdp/freerdp.h>
#include <guacamole/client.h>
#include <guacamole/error.h>
#include "client.h"
#include "rdp_glyph.h"
@ -100,16 +101,16 @@ void guac_rdp_glyph_draw(rdpContext* context, rdpGlyph* glyph, int x, int y) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
/* Do not attempt to draw glyphs if glyph drawing is not begun */
if (guac_client_data->glyph_cairo == NULL)
return;
/* Use glyph as mask */
cairo_mask_surface(
guac_client_data->glyph_cairo,
((guac_rdp_glyph*) glyph)->surface, x, y);
/* Fill rectangle with foreground */
cairo_rectangle(guac_client_data->glyph_cairo, x, y, glyph->cx, glyph->cy);
cairo_fill(guac_client_data->glyph_cairo);
}
void guac_rdp_glyph_free(rdpContext* context, rdpGlyph* glyph) {
@ -127,47 +128,40 @@ void guac_rdp_glyph_begindraw(rdpContext* context,
int x, int y, int width, int height, uint32 fgcolor, uint32 bgcolor) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
bgcolor = freerdp_color_convert_var(bgcolor,
context->instance->settings->color_depth, 32,
((rdp_freerdp_context*) context)->clrconv);
rdp_guac_client_data* guac_client_data =
(rdp_guac_client_data*) client->data;
/* Convert foreground color */
fgcolor = freerdp_color_convert_var(fgcolor,
context->instance->settings->color_depth, 32,
((rdp_freerdp_context*) context)->clrconv);
guac_client_data->foreground.blue = fgcolor & 0x0000FF;
guac_client_data->foreground.green = (fgcolor & 0x00FF00) >> 8;
guac_client_data->foreground.red = (fgcolor & 0xFF0000) >> 16;
/* Fill background with color if specified */
if (width != 0 && height != 0) {
guac_client_data->background.blue = bgcolor & 0x0000FF;
guac_client_data->background.green = (bgcolor & 0x00FF00) >> 8;
guac_client_data->background.red = (bgcolor & 0xFF0000) >> 16;
/* Convert background color */
bgcolor = freerdp_color_convert_var(bgcolor,
context->instance->settings->color_depth, 32,
((rdp_freerdp_context*) context)->clrconv);
/* Create glyph surface and cairo instance */
guac_client_data->glyph_surface = cairo_image_surface_create(
CAIRO_FORMAT_RGB24, width, height);
/* Fill background */
cairo_rectangle(guac_client_data->glyph_cairo,
x, y, width, height);
guac_client_data->glyph_cairo = cairo_create(
guac_client_data->glyph_surface);
cairo_set_source_rgb(guac_client_data->glyph_cairo,
( bgcolor & 0x0000FF ) / 255.0,
((bgcolor & 0x00FF00) >> 8 ) / 255.0,
((bgcolor & 0xFF0000) >> 16) / 255.0);
/* Fill with color */
cairo_set_source_rgb(guac_client_data->glyph_cairo,
guac_client_data->background.red / 255.0,
guac_client_data->background.green / 255.0,
guac_client_data->background.blue / 255.0);
cairo_fill(guac_client_data->glyph_cairo);
cairo_rectangle(guac_client_data->glyph_cairo,
0, 0, width, height);
cairo_fill(guac_client_data->glyph_cairo);
}
/* Prepare for glyph drawing */
cairo_set_source_rgb(guac_client_data->glyph_cairo,
guac_client_data->foreground.red / 255.0,
guac_client_data->foreground.green / 255.0,
guac_client_data->foreground.blue / 255.0);
( fgcolor & 0x0000FF ) / 255.0,
((fgcolor & 0x00FF00) >> 8 ) / 255.0,
((fgcolor & 0xFF0000) >> 16) / 255.0);
}
@ -178,14 +172,26 @@ void guac_rdp_glyph_enddraw(rdpContext* context,
rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
const guac_layer* current_layer = ((rdp_guac_client_data*) client->data)->current_surface;
/* Use glyph surface to provide image data for glyph rectangle */
cairo_surface_t* glyph_surface = guac_client_data->glyph_surface;
int stride = cairo_image_surface_get_stride(glyph_surface);
/* Ensure data is ready */
cairo_surface_flush(glyph_surface);
/* Create surface for subsection with text */
cairo_surface_t* surface = cairo_image_surface_create_for_data(
cairo_image_surface_get_data(glyph_surface) + 4*x + y*stride,
cairo_image_surface_get_format(glyph_surface),
width, height, stride);
/* Send surface with all glyphs to layer */
guac_protocol_send_png(client->socket,
GUAC_COMP_OVER, current_layer, x, y,
guac_client_data->glyph_surface);
surface);
/* Clean up cairo and glyph surface */
cairo_destroy(guac_client_data->glyph_cairo);
cairo_surface_destroy(guac_client_data->glyph_surface);
/* Destroy surface */
cairo_surface_destroy(surface);
}