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clutter/stage: Add scaling support to capture_view_into

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https://bugzilla.gnome.org/show_bug.cgi?id=765011
https://gitlab.gnome.org/GNOME/mutter/merge_requests/3
This commit is contained in:
Marco Trevisan (Treviño) 2018-01-26 12:50:12 +01:00 committed by Marco Trevisan
parent 4be4d85f84
commit f2c033b1b4
1 changed files with 10 additions and 3 deletions
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13
clutter/clutter/clutter-stage.c
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@ -4930,6 +4930,9 @@ capture_view_into (ClutterStage *stage,
CoglContext *context; CoglContext *context;
CoglBitmap *bitmap; CoglBitmap *bitmap;
cairo_rectangle_int_t view_layout; cairo_rectangle_int_t view_layout;
float view_scale;
float texture_width;
float texture_height;
g_return_if_fail (CLUTTER_IS_STAGE (stage)); g_return_if_fail (CLUTTER_IS_STAGE (stage));
@ -4942,10 +4945,14 @@ capture_view_into (ClutterStage *stage,
clutter_stage_do_paint_view (stage, view, rect); clutter_stage_do_paint_view (stage, view, rect);
} }
view_scale = clutter_stage_view_get_scale (view);
texture_width = roundf (rect->width * view_scale);
texture_height = roundf (rect->height * view_scale);
backend = clutter_get_default_backend (); backend = clutter_get_default_backend ();
context = clutter_backend_get_cogl_context (backend); context = clutter_backend_get_cogl_context (backend);
bitmap = cogl_bitmap_new_for_data (context, bitmap = cogl_bitmap_new_for_data (context,
rect->width, rect->height, texture_width, texture_height,
CLUTTER_CAIRO_FORMAT_ARGB32, CLUTTER_CAIRO_FORMAT_ARGB32,
stride, stride,
data); data);
@ -4953,8 +4960,8 @@ capture_view_into (ClutterStage *stage,
clutter_stage_view_get_layout (view, &view_layout); clutter_stage_view_get_layout (view, &view_layout);
cogl_framebuffer_read_pixels_into_bitmap (framebuffer, cogl_framebuffer_read_pixels_into_bitmap (framebuffer,
rect->x - view_layout.x, roundf ((rect->x - view_layout.x) * view_scale),
rect->y - view_layout.y, roundf ((rect->y - view_layout.y) * view_scale),
COGL_READ_PIXELS_COLOR_BUFFER, COGL_READ_PIXELS_COLOR_BUFFER,
bitmap); bitmap);