diff options
| -rw-r--r-- | gtk/gtk_gui.c | 8 | ||||
| -rw-r--r-- | gtk/gtk_plotters.c | 15 | ||||
| -rw-r--r-- | gtk/gtk_thumbnail.c | 91 | ||||
| -rw-r--r-- | gtk/gtk_window.c | 1 | ||||
| -rw-r--r-- | gtk/gtk_window.h | 3 |
5 files changed, 109 insertions, 9 deletions
diff --git a/gtk/gtk_gui.c b/gtk/gtk_gui.c index b258deb2d..eafb82ab5 100644 --- a/gtk/gtk_gui.c +++ b/gtk/gtk_gui.c @@ -215,14 +215,6 @@ void hotlist_visited(struct content *content) } -struct history *history_create(void) { return 0; } -void history_add(struct history *history, struct content *content, - char *frag_id) {} -void history_update(struct history *history, struct content *content) {} -void history_destroy(struct history *history) {} -void history_back(struct browser_window *bw, struct history *history) {} -void history_forward(struct browser_window *bw, struct history *history) {} - void gui_401login_open(struct browser_window *bw, struct content *c, const char *realm) {} void gui_cert_verify(struct browser_window *bw, struct content *c, diff --git a/gtk/gtk_plotters.c b/gtk/gtk_plotters.c index 0a65c4ec9..ad761194f 100644 --- a/gtk/gtk_plotters.c +++ b/gtk/gtk_plotters.c @@ -40,13 +40,15 @@ static bool nsgtk_plot_bitmap_tile(int x, int y, int width, int height, bool repeat_x, bool repeat_y); static bool nsgtk_plot_group_start(const char *name); static bool nsgtk_plot_group_end(void); - static void nsgtk_set_colour(colour c); static void nsgtk_set_solid(void); /**< Set for drawing solid lines */ static void nsgtk_set_dotted(void); /**< Set for drawing dotted lines */ static void nsgtk_set_dashed(void); /**< Set for drawing dashed lines */ +void nsgtk_plot_set_scale(float s); +float nsgtk_plot_get_scale(void); static GdkRectangle cliprect; +static float nsgtk_plot_scale = 1.0; struct plotter_table plot; @@ -386,3 +388,14 @@ void nsgtk_set_dashed() GDK_CAP_BUTT, GDK_JOIN_MITER); #endif } + +void nsgtk_plot_set_scale(float s) +{ + nsgtk_plot_scale = s; +} + +float nsgtk_plot_get_scale(void) +{ + return nsgtk_plot_scale; +} + diff --git a/gtk/gtk_thumbnail.c b/gtk/gtk_thumbnail.c new file mode 100644 index 000000000..0de132d2d --- /dev/null +++ b/gtk/gtk_thumbnail.c @@ -0,0 +1,91 @@ +/* + * This file is part of NetSurf, http://netsurf.sourceforge.net/ + * Licensed under the GNU General Public License, + * http://www.opensource.org/licenses/gpl-license + * Copyright 2006 Rob Kendrick <rjek@rjek.com> + */ + +/** \file + * Page thumbnail creation (implementation). + * + * Thumbnails are created by setting the current drawing contexts to the + * bitmap (a gdk pixbuf) we are passed, and plotting the page at a small + * scale. + */ + +#include <assert.h> +#include <gtk/gtk.h> +#include "netsurf/content/content.h" +#include "netsurf/content/url_store.h" +#include "netsurf/desktop/plotters.h" +#include "netsurf/desktop/browser.h" +#include "netsurf/image/bitmap.h" +#include "netsurf/render/font.h" +#include "netsurf/utils/log.h" +#include "netsurf/gtk/gtk_window.h" +#include "netsurf/gtk/gtk_plotters.h" + +/** + * Create a thumbnail of a page. + * + * \param content content structure to thumbnail + * \param bitmap the bitmap to draw to + * \param url the URL the thumnail belongs to, or NULL + */ +bool thumbnail_create(struct content *content, struct bitmap *bitmap, + const char *url) +{ + GdkPixbuf *pixbuf = (GdkPixbuf *) 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 = { 0, 65535, 65535, 65535 }; + float scale = 1.0; + + assert(content); + assert(bitmap); + + gdk_drawable_set_colormap(pixmap, gdk_colormap_get_system()); + + /* set the plotting functions up */ + plot = nsgtk_plotters; + + if (content->width) + scale = (float)width / (float)content->width; + nsgtk_plot_set_scale(scale); + + /* set to plot to pixmap */ + current_drawable = pixmap; + current_gc = gdk_gc_new(current_drawable); +#ifdef CAIRO_VERSION + current_cr = gdk_cairo_create(current_drawable); +#endif + + /* render the content */ + content_redraw(content, 0, 0, width, height, + 0, 0, width, height, scale, 0xFFFFFF); + + /* copy thumbnail to pixbuf we've been passed */ + gdk_pixbuf_get_from_drawable(pixbuf, pixmap, NULL, 0, 0, 0, 0, + width, height); + + /* 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 */ + if (url) + url_store_add_thumbnail(url, bitmap); + + bitmap_modified(bitmap); + + g_object_unref(current_gc); +#ifdef CAIRO_VERSION + cairo_destroy(current_cr); +#endif + g_object_unref(pixmap); + + return true; +} + diff --git a/gtk/gtk_window.c b/gtk/gtk_window.c index 858d1336e..de3c21421 100644 --- a/gtk/gtk_window.c +++ b/gtk/gtk_window.c @@ -188,6 +188,7 @@ gboolean gui_window_expose_event(GtkWidget *widget, #endif plot = nsgtk_plotters; + nsgtk_plot_set_scale(1.0); content_redraw(c, 0, 0, widget->allocation.width, diff --git a/gtk/gtk_window.h b/gtk/gtk_window.h index 0ac1908d1..73e890f1e 100644 --- a/gtk/gtk_window.h +++ b/gtk/gtk_window.h @@ -15,3 +15,6 @@ extern GdkGC *current_gc; extern cairo_t *current_cr; #endif +void nsgtk_plot_set_scale(float s); +float nsgtk_plot_get_scale(void); + |