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compare: p:9045898fb68296fbe2b2dae3016b1e8e9fe1f509
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2 Commits
cdb8d852a6 ... 9045898fb6

Author SHA1 Message Date
Přemysl Eric Janouch
9045898fb6
Don't rescale thumbnails in sRGB 
pixman is too slow at this, maybe do it later, and optionally.
 2021-11-04 19:52:14 +01:00
Přemysl Eric Janouch
45df774cc9
Fix scaling in the view, as in the browser 
The source pattern needs to be padded.
 2021-11-04 19:42:22 +01:00
2 changed files with 9 additions and 5 deletions
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10
fastiv-browser.c
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@ -225,12 +225,14 @@ rescale_thumbnail(cairo_surface_t *thumbnail)
struct pixman_f_transform xform_floating; struct pixman_f_transform xform_floating;
struct pixman_transform xform; struct pixman_transform xform;
pixman_image_t *src = pixman_image_create_bits( // PIXMAN_a8r8g8b8_sRGB can be used for gamma-correct results,
PIXMAN_a8r8g8b8_sRGB, width, height, // but it's an incredibly slow transformation
pixman_format_code_t format = PIXMAN_a8r8g8b8;
pixman_image_t *src = pixman_image_create_bits(format, width, height,
(uint32_t *) cairo_image_surface_get_data(thumbnail), (uint32_t *) cairo_image_surface_get_data(thumbnail),
cairo_image_surface_get_stride(thumbnail)); cairo_image_surface_get_stride(thumbnail));
pixman_image_t *dest = pixman_image_create_bits( pixman_image_t *dest = pixman_image_create_bits(format,
PIXMAN_a8r8g8b8_sRGB,
cairo_image_surface_get_width(scaled), cairo_image_surface_get_width(scaled),
cairo_image_surface_get_height(scaled), cairo_image_surface_get_height(scaled),
(uint32_t *) cairo_image_surface_get_data(scaled), (uint32_t *) cairo_image_surface_get_data(scaled),

4
fastiv-view.c
View File

@ -135,8 +135,10 @@ fastiv_view_draw(GtkWidget *widget, cairo_t *cr)
cairo_set_source_surface( cairo_set_source_surface(
cr, self->surface, x / self->scale, y / self->scale); cr, self->surface, x / self->scale, y / self->scale);
cairo_pattern_t *pattern = cairo_get_source(cr);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_PAD);
// TODO(p): Prescale it ourselves to an off-screen bitmap, gamma-correctly. // TODO(p): Prescale it ourselves to an off-screen bitmap, gamma-correctly.
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_GOOD); cairo_pattern_set_filter(pattern, CAIRO_FILTER_GOOD);
cairo_paint(cr); cairo_paint(cr);
return TRUE; return TRUE;