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Some vague attempt at limiting the size of large bitmaps for thumbnailing. 

This probably wants someone who has a clue about gtk to look at it.

svn path=/trunk/netsurf/; revision=5100
This commit is contained in:
John Mark Bell 2008-08-13 17:16:39 +00:00
parent b99cb3d1e0
commit 1999e455fa
1 changed files with 14 additions and 9 deletions
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23
gtk/gtk_thumbnail.c
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@ -30,12 +30,13 @@
#include "content/urldb.h"
#include "desktop/plotters.h"
#include "desktop/browser.h"
#include "image/bitmap.h"
#include "render/font.h"
#include "utils/log.h"
#include "gtk/gtk_scaffolding.h"
#include "gtk/gtk_plotters.h"
#include "gtk/gtk_bitmap.h"
#include "image/bitmap.h"
#include "render/font.h"
#include "utils/log.h"
#include "utils/utils.h"
/**
* Create a thumbnail of a page.
@ -48,6 +49,7 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
const char *url)
{
GdkPixbuf *pixbuf;
int cwidth, cheight;
gint width;
gint height;
gint depth;
@ -57,6 +59,9 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
assert(content);
assert(bitmap);
cwidth = min(content->width, 1024);
cheight = min(content->height, 768);
pixbuf = gtk_bitmap_get_primary(bitmap);
width = gdk_pixbuf_get_width(pixbuf);
height = gdk_pixbuf_get_height(pixbuf);
@ -65,7 +70,7 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
LOG(("Trying to create a thumbnail pixmap for a content of %dx%d@%d",
content->width, content->width, depth));
pixmap = gdk_pixmap_new(NULL, content->width, content->width, depth);
pixmap = gdk_pixmap_new(NULL, cwidth, cwidth, depth);
if (pixmap == NULL) {
/* the creation failed for some reason: most likely because
@ -82,7 +87,7 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
/* set the plotting functions up */
plot = nsgtk_plotters;
nsgtk_plot_set_scale(1.0);
nsgtk_plot_set_scale((double) cwidth / (double) content->width);
/* set to plot to pixmap */
current_drawable = pixmap;
@ -90,7 +95,7 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
#ifdef CAIRO_VERSION
current_cr = gdk_cairo_create(current_drawable);
#endif
plot.fill(0, 0, content->width, content->width, 0xffffffff);
plot.fill(0, 0, cwidth, cwidth, 0xffffffff);
/* render the content */
content_redraw(content, 0, 0, content->width, content->width,
@ -98,11 +103,11 @@ bool thumbnail_create(struct content *content, struct bitmap *bitmap,
/* 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);
cwidth, cwidth);
gdk_pixbuf_scale(big, pixbuf, 0, 0, width, height, 0, 0,
(double)width / (double)content->width,
(double)height / (double)content->width,
(double)width / (double)cwidth,
(double)height / (double)cwidth,
GDK_INTERP_TILES);
/* As a debugging aid, try this to dump out a copy of the thumbnail as