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https://github.com/netsurf-browser/netsurf
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[project @ 2006-03-26 01:14:01 by rjek]
Improvements to GTK thumbnailing svn path=/import/netsurf/; revision=2169
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@ -39,9 +39,8 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
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gint width = gdk_pixbuf_get_width(pixbuf);
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gint height = gdk_pixbuf_get_height(pixbuf);
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gint depth = (gdk_screen_get_system_visual(gdk_screen_get_default()))->depth;
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GdkPixmap *pixmap = gdk_pixmap_new(NULL, width, height, depth);
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GdkColor c = { 0xffffff, 65535, 65535, 65535 };
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float scale = 1.0;
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GdkPixmap *pixmap = gdk_pixmap_new(NULL, content->width, content->width, depth);
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GdkPixbuf *big;
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assert(content);
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assert(bitmap);
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@ -51,30 +50,31 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
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/* set the plotting functions up */
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plot = nsgtk_plotters;
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if (content->width)
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scale = (float)width / (float)content->width;
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nsgtk_plot_set_scale(scale);
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nsgtk_plot_set_scale(1.0);
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/* set to plot to pixmap */
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current_drawable = pixmap;
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current_gc = gdk_gc_new(current_drawable);
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gdk_gc_set_foreground(current_gc, &c);
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#ifdef CAIRO_VERSION
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current_cr = gdk_cairo_create(current_drawable);
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cairo_set_source_rgba(current_cr, 1, 1, 1, 1);
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#endif
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gdk_draw_rectangle(pixmap, current_gc, TRUE, 0, 0, width, height);
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plot.fill(0, 0, content->width, content->width, 0xffffffff);
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/* render the content */
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content_redraw(content, 0, 0, width, height,
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0, 0, width, height, scale, 0xFFFFFF);
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content_redraw(content, 0, 0, content->width, content->width,
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0, 0, content->width, content->width, 1.0, 0xFFFFFF);
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/* copy thumbnail to pixbuf we've been passed */
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gdk_pixbuf_get_from_drawable(pixbuf, pixmap, NULL, 0, 0, 0, 0,
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width, height);
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/* resample the large plot down to the size of our thumbnail */
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big = gdk_pixbuf_get_from_drawable(NULL, pixmap, NULL, 0, 0, 0, 0,
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content->width, content->width);
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/* As a debugging aid, try this to dump out a copy of the thumbnail as a PNG:
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* gdk_pixbuf_save(pixbuf, "thumbnail.png", "png", NULL, NULL);
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gdk_pixbuf_scale(big, pixbuf, 0, 0, width, height, 0, 0,
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(double)width / (double)content->width,
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(double)height / (double)content->width,
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GDK_INTERP_HYPER);
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/* As a debugging aid, try this to dump out a copy of the thumbnail as
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* a PNG: gdk_pixbuf_save(pixbuf, "thumbnail.png", "png", NULL, NULL);
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*/
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/* register the thumbnail with the URL */
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