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app: guarantee fully-COWed copies in more cases in paint code

This commit is contained in:
Ell 2019-07-30 20:27:11 +03:00
parent 2d80d4d138
commit fb679f9efa
2 changed files with 37 additions and 31 deletions
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57
app/core/gimpdrawable.c
View File

@ -57,11 +57,8 @@
#include "gimp-intl.h"
#define PAINT_COPY_CHUNK_WIDTH 128
#define PAINT_COPY_CHUNK_HEIGHT 128
#define PAINT_UPDATE_CHUNK_WIDTH 32
#define PAINT_UPDATE_CHUNK_HEIGHT 32
#define PAINT_UPDATE_CHUNK_WIDTH 32
#define PAINT_UPDATE_CHUNK_HEIGHT 32
enum
@ -1086,48 +1083,50 @@ gimp_drawable_update (GimpDrawable *drawable,
{
GeglRectangle rect;
rect.x = floor ((gdouble) x / PAINT_COPY_CHUNK_WIDTH) * PAINT_COPY_CHUNK_WIDTH;
rect.y = floor ((gdouble) y / PAINT_COPY_CHUNK_HEIGHT) * PAINT_COPY_CHUNK_HEIGHT;
rect.width = ceil ((gdouble) (x + width) / PAINT_COPY_CHUNK_WIDTH) * PAINT_COPY_CHUNK_WIDTH - rect.x;
rect.height = ceil ((gdouble) (y + height) / PAINT_COPY_CHUNK_HEIGHT) * PAINT_COPY_CHUNK_HEIGHT - rect.y;
if (gegl_rectangle_intersect (
&rect,
&rect,
GEGL_RECTANGLE (x, y, width, height),
GEGL_RECTANGLE (0, 0,
gimp_item_get_width (GIMP_ITEM (drawable)),
gimp_item_get_height (GIMP_ITEM (drawable)))))
{
GeglRectangle aligned_rect;
gegl_rectangle_align_to_buffer (&aligned_rect, &rect,
gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE_ALIGNMENT_SUPERSET);
if (drawable->private->paint_copy_region)
{
cairo_region_union_rectangle (
drawable->private->paint_copy_region,
(const cairo_rectangle_int_t *) &rect);
(const cairo_rectangle_int_t *) &aligned_rect);
}
else
{
drawable->private->paint_copy_region =
cairo_region_create_rectangle (
(const cairo_rectangle_int_t *) &rect);
(const cairo_rectangle_int_t *) &aligned_rect);
}
rect.x = floor ((gdouble) x / PAINT_UPDATE_CHUNK_WIDTH) * PAINT_UPDATE_CHUNK_WIDTH;
rect.y = floor ((gdouble) y / PAINT_UPDATE_CHUNK_HEIGHT) * PAINT_UPDATE_CHUNK_HEIGHT;
rect.width = ceil ((gdouble) (x + width) / PAINT_UPDATE_CHUNK_WIDTH) * PAINT_UPDATE_CHUNK_WIDTH - rect.x;
rect.height = ceil ((gdouble) (y + height) / PAINT_UPDATE_CHUNK_HEIGHT) * PAINT_UPDATE_CHUNK_HEIGHT - rect.y;
gegl_rectangle_align (&aligned_rect, &rect,
GEGL_RECTANGLE (0, 0,
PAINT_UPDATE_CHUNK_WIDTH,
PAINT_UPDATE_CHUNK_HEIGHT),
GEGL_RECTANGLE_ALIGNMENT_SUPERSET);
if (drawable->private->paint_update_region)
{
cairo_region_union_rectangle (
drawable->private->paint_update_region,
(const cairo_rectangle_int_t *) &rect);
}
else
{
drawable->private->paint_update_region =
cairo_region_create_rectangle (
(const cairo_rectangle_int_t *) &rect);
}
if (drawable->private->paint_update_region)
{
cairo_region_union_rectangle (
drawable->private->paint_update_region,
(const cairo_rectangle_int_t *) &aligned_rect);
}
else
{
drawable->private->paint_update_region =
cairo_region_create_rectangle (
(const cairo_rectangle_int_t *) &aligned_rect);
}
}
}
}

11
app/paint/gimppaintcore.c
View File

@ -568,11 +568,18 @@ gimp_paint_core_cancel (GimpPaintCore *core,
gimp_item_get_height (GIMP_ITEM (drawable)),
&x, &y, &width, &height))
{
GeglRectangle rect;
gegl_rectangle_align_to_buffer (&rect,
GEGL_RECTANGLE (x, y, width, height),
gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE_ALIGNMENT_SUPERSET);
gimp_gegl_buffer_copy (core->undo_buffer,
GEGL_RECTANGLE (x, y, width, height),
&rect,
GEGL_ABYSS_NONE,
gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (x, y, width, height));
&rect);
}
g_clear_object (&core->undo_buffer);