maride/guacamole-spice-protocol
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Fixed paint_bitmap (was not using cx,cy, leading to black rectangles), proper bpp calculations, using SRC instead of OVER for create_bitmap operations.

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This commit is contained in:
Michael Jumper 2011-07-26 13:40:00 -07:00
parent b32a2cce22
commit afcb7a63e3
1 changed files with 21 additions and 13 deletions
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32
protocols/rdp/src/rdp_handlers.c
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@ -120,7 +120,7 @@ RD_HBITMAP guac_rdp_ui_create_bitmap(rdpInst* inst, int width, int height, uint8
int x, y;
int stride;
int bpp = inst->settings->server_depth / 8;
int bpp = (inst->settings->server_depth + 7) / 8;
unsigned char* image_buffer;
unsigned char* image_buffer_row;
@ -174,7 +174,7 @@ RD_HBITMAP guac_rdp_ui_create_bitmap(rdpInst* inst, int width, int height, uint8
}
surface = cairo_image_surface_create_for_data(image_buffer, CAIRO_FORMAT_RGB24, width, height, stride);
guac_send_png(io, GUAC_COMP_OVER, buffer, 0, 0, surface);
guac_send_png(io, GUAC_COMP_SRC, buffer, 0, 0, surface);
guac_flush(io);
/* Free surface */
@ -194,41 +194,49 @@ void guac_rdp_ui_paint_bitmap(rdpInst* inst, int x, int y, int cx, int cy, int w
int dx, dy;
int stride;
int bpp = inst->settings->server_depth / 8;
int bpp = (inst->settings->server_depth + 7) / 8;
unsigned char* image_buffer;
unsigned char* image_buffer_row;
int data_stride = width * bpp;
unsigned char* data_row = data;
cairo_surface_t* surface;
/* Init Cairo buffer */
stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, width);
stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, cx);
image_buffer = malloc(height*stride);
image_buffer_row = image_buffer;
/* Copy image data from image data to buffer */
for (dy = 0; dy<height; dy++) {
for (dy = 0; dy<cy; dy++) {
unsigned int* image_buffer_current;
unsigned char* data_current = data_row;
/* Get current buffer row, advance to next */
image_buffer_current = (unsigned int*) image_buffer_row;
image_buffer_row += stride;
for (dx = 0; dx<width; dx++) {
/* Get current data row, advance to next */
data_current = data_row;
data_row += data_stride;
for (dx = 0; dx<cx; dx++) {
unsigned char red, green, blue;
unsigned int v;
switch (bpp) {
case 3:
blue = *((unsigned char*) data++);
green = *((unsigned char*) data++);
red = *((unsigned char*) data++);
blue = *((unsigned char*) data_current++);
green = *((unsigned char*) data_current++);
red = *((unsigned char*) data_current++);
break;
case 2:
v = *((unsigned char*) data++);
v |= *((unsigned char*) data++) << 8;
v = *((unsigned char*) data_current++);
v |= *((unsigned char*) data_current++) << 8;
red = ((v >> 8) & 0xF8) | ((v >> 13) & 0x07);
green = ((v >> 3) & 0xFC) | ((v >> 9) & 0x03);
@ -247,7 +255,7 @@ void guac_rdp_ui_paint_bitmap(rdpInst* inst, int x, int y, int cx, int cy, int w
}
}
surface = cairo_image_surface_create_for_data(image_buffer, CAIRO_FORMAT_RGB24, width, height, stride);
surface = cairo_image_surface_create_for_data(image_buffer, CAIRO_FORMAT_RGB24, cx, cy, stride);
guac_send_png(io, GUAC_COMP_OVER, current_surface, x, y, surface);
guac_flush(io);