[project @ 2006-03-26 01:14:01 by rjek]

Improvements to GTK thumbnailing

svn path=/import/netsurf/; revision=2169
This commit is contained in:
Rob Kendrick 2006-03-26 01:14:01 +00:00
parent 57d61052af
commit 698c6efcb0

View File

@ -39,9 +39,8 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
gint width = gdk_pixbuf_get_width(pixbuf);
gint height = gdk_pixbuf_get_height(pixbuf);
gint depth = (gdk_screen_get_system_visual(gdk_screen_get_default()))->depth;
GdkPixmap *pixmap = gdk_pixmap_new(NULL, width, height, depth);
GdkColor c = { 0xffffff, 65535, 65535, 65535 };
float scale = 1.0;
GdkPixmap *pixmap = gdk_pixmap_new(NULL, content->width, content->width, depth);
GdkPixbuf *big;
assert(content);
assert(bitmap);
@ -51,30 +50,31 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
/* set the plotting functions up */
plot = nsgtk_plotters;
if (content->width)
scale = (float)width / (float)content->width;
nsgtk_plot_set_scale(scale);
nsgtk_plot_set_scale(1.0);
/* set to plot to pixmap */
current_drawable = pixmap;
current_gc = gdk_gc_new(current_drawable);
gdk_gc_set_foreground(current_gc, &c);
#ifdef CAIRO_VERSION
current_cr = gdk_cairo_create(current_drawable);
cairo_set_source_rgba(current_cr, 1, 1, 1, 1);
#endif
gdk_draw_rectangle(pixmap, current_gc, TRUE, 0, 0, width, height);
plot.fill(0, 0, content->width, content->width, 0xffffffff);
/* render the content */
content_redraw(content, 0, 0, width, height,
0, 0, width, height, scale, 0xFFFFFF);
content_redraw(content, 0, 0, content->width, content->width,
0, 0, content->width, content->width, 1.0, 0xFFFFFF);
/* copy thumbnail to pixbuf we've been passed */
gdk_pixbuf_get_from_drawable(pixbuf, pixmap, NULL, 0, 0, 0, 0,
width, height);
/* resample the large plot down to the size of our thumbnail */
big = gdk_pixbuf_get_from_drawable(NULL, pixmap, NULL, 0, 0, 0, 0,
content->width, content->width);
/* As a debugging aid, try this to dump out a copy of the thumbnail as a PNG:
* gdk_pixbuf_save(pixbuf, "thumbnail.png", "png", NULL, NULL);
gdk_pixbuf_scale(big, pixbuf, 0, 0, width, height, 0, 0,
(double)width / (double)content->width,
(double)height / (double)content->width,
GDK_INTERP_HYPER);
/* As a debugging aid, try this to dump out a copy of the thumbnail as
* a PNG: gdk_pixbuf_save(pixbuf, "thumbnail.png", "png", NULL, NULL);
*/
/* register the thumbnail with the URL */