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GUACAMOLE-377: Add handling for EndPaint required by software GDI implementation of RDPGFX.

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This commit is contained in:
Michael Jumper 2021-07-13 00:08:39 -07:00
parent c795bf9e4a
commit dd85c54961
1 changed files with 31 additions and 1 deletions
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32
src/protocols/rdp/gdi.c
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@ -26,6 +26,7 @@
#include <cairo/cairo.h>
#include <freerdp/freerdp.h>
#include <freerdp/gdi/gdi.h>
#include <freerdp/graphics.h>
#include <freerdp/primary.h>
#include <guacamole/client.h>
@ -372,8 +373,37 @@ BOOL guac_rdp_gdi_set_bounds(rdpContext* context, const rdpBounds* bounds) {
}
BOOL guac_rdp_gdi_end_paint(rdpContext* context) {
/* IGNORE */
guac_client* client = ((rdp_freerdp_context*) context)->client;
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
rdpGdi* gdi = context->gdi;
/* Ignore paint if GDI output is suppressed */
if (gdi->suppressOutput)
return TRUE;
/* Ignore paint if nothing has been done (empty rect) */
if (gdi->primary->hdc->hwnd->invalid->null)
return TRUE;
INT32 x = gdi->primary->hdc->hwnd->invalid->x;
INT32 y = gdi->primary->hdc->hwnd->invalid->y;
UINT32 w = gdi->primary->hdc->hwnd->invalid->w;
UINT32 h = gdi->primary->hdc->hwnd->invalid->h;
/* Create surface from image data */
cairo_surface_t* surface = cairo_image_surface_create_for_data(
gdi->primary_buffer + 4*x + y*gdi->stride,
CAIRO_FORMAT_RGB24, w, h, gdi->stride);
/* Send surface to buffer */
guac_common_surface_draw(rdp_client->display->default_surface, x, y, surface);
/* Free surface */
cairo_surface_destroy(surface);
return TRUE;
}
BOOL guac_rdp_gdi_desktop_resize(rdpContext* context) {