maride/guacamole-spice-protocol
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Using rect instruction, initial partial-stub for glyphs and rendering

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This commit is contained in:
Michael Jumper 2011-07-21 00:28:35 -07:00
parent 9b05cf5f67
commit b9727f9d56
1 changed files with 70 additions and 19 deletions
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89
protocols/rdp/src/rdp_handlers.c
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@ -182,10 +182,6 @@ void guac_rdp_ui_rect(rdpInst* inst, int x, int y, int cx, int cy, int color) {
unsigned char red, green, blue;
/* Create surface */
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, cx, cy);
cairo_t* cairo = cairo_create(surface);
switch (inst->settings->server_depth) {
case 24:
red = (color >> 16) & 0xFF;
@ -205,15 +201,10 @@ void guac_rdp_ui_rect(rdpInst* inst, int x, int y, int cx, int cy, int color) {
blue = 0xFF;
}
/* Render rectangle */
cairo_set_source_rgb(cairo, red, green, blue);
cairo_rectangle(cairo, 0, 0, cx, cy);
cairo_fill(cairo);
/* Send background */
cairo_destroy(cairo);
guac_send_png(io, GUAC_COMP_OVER, GUAC_DEFAULT_LAYER, x, y, surface);
cairo_surface_destroy(surface);
/* Send rectangle */
guac_send_rect(io, GUAC_COMP_OVER, GUAC_DEFAULT_LAYER,
x, y, cx, cy,
red, green, blue, 0xFF);
}
@ -230,11 +221,18 @@ void guac_rdp_ui_ellipse(rdpInst* inst, uint8 opcode, uint8 fillmode, int x, int
}
void guac_rdp_ui_start_draw_glyphs(rdpInst* inst, int bgcolor, int fgcolor) {
/* UNUSED */
/* UNUSED ... for now */
}
void guac_rdp_ui_draw_glyph(rdpInst* inst, int x, int y, int cx, int cy, RD_HGLYPH glyph) {
guac_log_info("guac_rdp_ui_draw_glyph: STUB\n");
void guac_rdp_ui_draw_glyph(rdpInst* inst, int x, int y, int width, int height, RD_HGLYPH glyph) {
guac_client* client = (guac_client*) inst->param1;
GUACIO* io = client->io;
guac_send_copy(io,
(guac_layer*) glyph, 0, 0, width, height,
GUAC_COMP_OVER, GUAC_DEFAULT_LAYER, x, y);
}
void guac_rdp_ui_end_draw_glyphs(rdpInst* inst, int x, int y, int cx, int cy) {
@ -282,10 +280,63 @@ void guac_rdp_ui_triblt(rdpInst* inst, uint8 opcode, int x, int y, int cx, int c
RD_HGLYPH guac_rdp_ui_create_glyph(rdpInst* inst, int width, int height, uint8* data) {
/* Allocate and return buffer */
/* Allocate buffer */
guac_client* client = (guac_client*) inst->param1;
guac_log_info("guac_rdp_ui_create_glyph: STUB\n");
return (RD_HGLYPH) guac_client_alloc_buffer(client);
GUACIO* io = client->io;
guac_layer* glyph = guac_client_alloc_buffer(client);
int x, y, i;
int stride;
unsigned char* image_buffer;
unsigned char* image_buffer_row;
cairo_surface_t* surface;
/* Init Cairo buffer */
stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, width);
image_buffer = malloc(height*stride);
image_buffer_row = image_buffer;
/* Copy image data from image data to buffer */
for (y = 0; y<height; y++) {
unsigned int* image_buffer_current;
/* Get current buffer row, advance to next */
image_buffer_current = (unsigned int*) image_buffer_row;
image_buffer_row += stride;
for (x = 0; x<width;) {
/* Get byte from image data */
unsigned int v = *(data++);
/* Read bits, write pixels */
for (i = 0; i<8 && x<width; i++, x++) {
/* Output RGB */
if (v & 0x80)
*(image_buffer_current++) = 0x000000;
else
*(image_buffer_current++) = 0xFFFFFF;
/* Next bit */
v <<= 1;
}
}
}
surface = cairo_image_surface_create_for_data(image_buffer, CAIRO_FORMAT_RGB24, width, height, stride);
guac_send_png(io, GUAC_COMP_OVER, glyph, 0, 0, surface);
/* Free surface */
cairo_surface_destroy(surface);
free(image_buffer);
return (RD_HGLYPH) glyph;
}