Move __guac_rdp_clip_rect() to public guac_rdp_clip_rect(). Clip glyph draws.
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@ -600,3 +600,40 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
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}
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void guac_rdp_clip_rect(rdp_guac_client_data* data, int* x, int* y, int* w, int* h) {
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if (data->bounded) {
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/* Get rect coordinates */
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int clipped_left = *x;
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int clipped_top = *y;
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int clipped_right = clipped_left + *w - 1;
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int clipped_bottom = clipped_top + *h - 1;
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/* Clip left */
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if (clipped_left < data->bounds_left) clipped_left = data->bounds_left;
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else if (clipped_left > data->bounds_right) clipped_left = data->bounds_right;
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/* Clip right */
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if (clipped_right < data->bounds_left) clipped_right = data->bounds_left;
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else if (clipped_right > data->bounds_right) clipped_right = data->bounds_right;
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/* Clip top */
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if (clipped_top < data->bounds_top) clipped_top = data->bounds_top;
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else if (clipped_top > data->bounds_bottom) clipped_top = data->bounds_bottom;
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/* Clip bottom */
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if (clipped_bottom < data->bounds_top) clipped_bottom = data->bounds_top;
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else if (clipped_bottom > data->bounds_bottom) clipped_bottom = data->bounds_bottom;
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/* Store new rect dimensions */
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*x = clipped_left;
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*y = clipped_top;
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*w = clipped_right - clipped_left + 1;
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*h = clipped_bottom - clipped_top + 1;
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}
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}
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@ -219,5 +219,11 @@ typedef struct rdp_freerdp_context {
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} rdp_freerdp_context;
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/**
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* Given the coordinates and dimensions of a rectangle, clips the rectangle to be
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* within the clipping bounds of the client data, if clipping is active.
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*/
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void guac_rdp_clip_rect(rdp_guac_client_data* data, int* x, int* y, int* w, int* h);
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#endif
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@ -44,41 +44,6 @@
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#include "client.h"
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#include "rdp_bitmap.h"
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static void __guac_rdp_clip_rect(rdp_guac_client_data* data, int* x, int* y, int* w, int* h) {
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if (data->bounded) {
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/* Get rect coordinates */
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int clipped_left = *x;
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int clipped_top = *y;
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int clipped_right = clipped_left + *w - 1;
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int clipped_bottom = clipped_top + *h - 1;
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/* Clip left */
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if (clipped_left < data->bounds_left) clipped_left = data->bounds_left;
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else if (clipped_left > data->bounds_right) clipped_left = data->bounds_right;
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/* Clip right */
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if (clipped_right < data->bounds_left) clipped_right = data->bounds_left;
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else if (clipped_right > data->bounds_right) clipped_right = data->bounds_right;
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/* Clip top */
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if (clipped_top < data->bounds_top) clipped_top = data->bounds_top;
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else if (clipped_top > data->bounds_bottom) clipped_top = data->bounds_bottom;
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/* Clip bottom */
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if (clipped_bottom < data->bounds_top) clipped_bottom = data->bounds_top;
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else if (clipped_bottom > data->bounds_bottom) clipped_bottom = data->bounds_bottom;
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/* Store new rect dimensions */
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*x = clipped_left;
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*y = clipped_top;
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*w = clipped_right - clipped_left + 1;
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*h = clipped_bottom - clipped_top + 1;
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}
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}
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guac_transfer_function guac_rdp_rop3_transfer_function(guac_client* client,
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int rop3) {
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@ -152,7 +117,7 @@ void guac_rdp_gdi_dstblt(rdpContext* context, DSTBLT_ORDER* dstblt) {
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pthread_mutex_lock(&(data->update_lock));
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/* Clip operation to bounds */
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__guac_rdp_clip_rect(data, &x, &y, &w, &h);
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guac_rdp_clip_rect(data, &x, &y, &w, &h);
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switch (dstblt->bRop) {
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@ -240,7 +205,7 @@ void guac_rdp_gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt) {
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"negotiated client capabilities)");
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/* Clip operation to bounds */
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__guac_rdp_clip_rect(data, &x, &y, &w, &h);
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guac_rdp_clip_rect(data, &x, &y, &w, &h);
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/* Render rectangle based on ROP */
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switch (patblt->bRop) {
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@ -330,7 +295,7 @@ void guac_rdp_gdi_scrblt(rdpContext* context, SCRBLT_ORDER* scrblt) {
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pthread_mutex_lock(&(data->update_lock));
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/* Clip operation to bounds */
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__guac_rdp_clip_rect(data, &x, &y, &w, &h);
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guac_rdp_clip_rect(data, &x, &y, &w, &h);
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/* Update source coordinates */
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x_src += x - scrblt->nLeftRect;
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@ -371,7 +336,7 @@ void guac_rdp_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt) {
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pthread_mutex_lock(&(data->update_lock));
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/* Clip operation to bounds */
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__guac_rdp_clip_rect(data, &x, &y, &w, &h);
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guac_rdp_clip_rect(data, &x, &y, &w, &h);
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/* Update source coordinates */
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x_src += x - memblt->nLeftRect;
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@ -479,7 +444,7 @@ void guac_rdp_gdi_opaquerect(rdpContext* context, OPAQUE_RECT_ORDER* opaque_rect
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int h = opaque_rect->nHeight;
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/* Clip operation to bounds */
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__guac_rdp_clip_rect(data, &x, &y, &w, &h);
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guac_rdp_clip_rect(data, &x, &y, &w, &h);
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guac_protocol_send_rect(client->socket, current_layer, x, y, w, h);
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@ -218,6 +218,9 @@ void guac_rdp_glyph_enddraw(rdpContext* context,
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if (width > max_width) width = max_width;
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if (height > max_height) height = max_height;
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/* Clip operation to clipping region, if any */
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guac_rdp_clip_rect(guac_client_data, &x, &y, &width, &height);
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/* Ensure data is ready */
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cairo_surface_flush(glyph_surface);
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