isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2024-11-25 09:30:45 -05:00
Code Issues Packages Projects Releases Wiki Activity

clutter/stage: Fix capturing scaled views

Browse Source 
Make clutter_stage_capture() work if views are scaled. This needs
adaptations on the using side to deal with the cairo surface device
scale that is used to communicate the scale used when capturing.

https://bugzilla.gnome.org/show_bug.cgi?id=765011
This commit is contained in:
Jonas Ådahl 2017-06-07 14:49:08 +08:00
parent 3e8d0204bd
commit fef81cd628
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
clutter/clutter/clutter-stage.c
View File

@ -4720,6 +4720,7 @@ capture_view (ClutterStage *stage,
int stride;
CoglBitmap *bitmap;
cairo_rectangle_int_t view_layout;
float view_scale;
framebuffer = clutter_stage_view_get_framebuffer (view);
@ -4730,8 +4731,11 @@ capture_view (ClutterStage *stage,
clutter_stage_do_paint_view (stage, view, rect);
}
view_scale = clutter_stage_view_get_scale (view);
image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
rect->width, rect->height);
rect->width * view_scale,
rect->height * view_scale);
cairo_surface_set_device_scale (image, view_scale, view_scale);
data = cairo_image_surface_get_data (image);
stride = cairo_image_surface_get_stride (image);
@ -4739,7 +4743,8 @@ capture_view (ClutterStage *stage,
backend = clutter_get_default_backend ();
context = clutter_backend_get_cogl_context (backend);
bitmap = cogl_bitmap_new_for_data (context,
rect->width, rect->height,
rect->width * view_scale,
rect->height * view_scale,
CLUTTER_CAIRO_FORMAT_ARGB32,
stride,
data);
@ -4747,8 +4752,8 @@ capture_view (ClutterStage *stage,
clutter_stage_view_get_layout (view, &view_layout);
cogl_framebuffer_read_pixels_into_bitmap (framebuffer,
rect->x - view_layout.x,
rect->y - view_layout.y,
(rect->x - view_layout.x) * view_scale,
(rect->y - view_layout.y) * view_scale,
COGL_READ_PIXELS_COLOR_BUFFER,
bitmap);