![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
index f44a514a1e4b69ffe89a88f1be04d468c3e92364..69becad5dd421f83ed7a8bcad092680acd801045 100644 (file)
-#define __SP_PIXBUF_OPS_C__
-
/*
* Helpers for SPItem -> gdk_pixbuf related stuff
*
* Authors:
* John Cliff <simarilius@yahoo.com>
+ * Jon A. Cruz <jon@joncruz.org>
+ * Abhishek Sharma
*
* Copyright (C) 2008 John Cliff
*
#include <document.h>
#include <sp-item.h>
#include <sp-root.h>
+#include <sp-use.h>
#include <sp-defs.h>
+#include "unit-constants.h"
#include "libnr/nr-matrix-translate-ops.h"
#include "libnr/nr-scale-ops.h"
#include "pixbuf-ops.h"
+// TODO look for copy-n-past duplication of this function:
/**
* Hide all items that are not listed in list, recursively, skipping groups and defs.
*/
-static void
-hide_other_items_recursively(SPObject *o, GSList *list, unsigned dkey)
+static void hide_other_items_recursively(SPObject *o, GSList *list, unsigned dkey)
{
if ( SP_IS_ITEM(o)
&& !SP_IS_DEFS(o)
&& !SP_IS_ROOT(o)
&& !SP_IS_GROUP(o)
+ && !SP_IS_USE(o)
&& !g_slist_find(list, o) )
{
- sp_item_invoke_hide(SP_ITEM(o), dkey);
+ SP_ITEM(o)->invoke_hide(dkey);
}
// recurse
if (!g_slist_find(list, o)) {
- for (SPObject *child = sp_object_first_child(o) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
+ for ( SPObject *child = o->firstChild() ; child; child = child->getNext() ) {
hide_other_items_recursively(child, list, dkey);
}
}
g_snprintf(c, 32, "%f", quality);
gboolean saved = gdk_pixbuf_save (pixbuf, filename, "jpeg", NULL, "quality", c, NULL);
g_free(c);
+ gdk_pixbuf_unref (pixbuf);
if (saved) return true;
else return false;
}
GdkPixbuf*
sp_generate_internal_bitmap(SPDocument *doc, gchar const */*filename*/,
double x0, double y0, double x1, double y1,
- unsigned width, unsigned height, double /*xdpi*/, double /*ydpi*/,
+ unsigned width, unsigned height, double xdpi, double ydpi,
unsigned long bgcolor,
GSList *items_only)
{
-
- /* Create new arena */
+ GdkPixbuf* pixbuf = NULL;
+ /* Create new arena for offscreen rendering*/
NRArena *arena = NRArena::create();
- unsigned dkey = sp_item_display_key_new(1);
+ nr_arena_set_renderoffscreen(arena);
+ unsigned dkey = SPItem::display_key_new(1);
- sp_document_ensure_up_to_date (doc);
+ doc->ensureUpToDate();
- NR::Rect screen=NR::Rect(NR::Point(x0,y0), NR::Point(x1, y1));
+ Geom::Rect screen=Geom::Rect(Geom::Point(x0,y0), Geom::Point(x1, y1));
- double zoom_scale = 1.0;
double padding = 1.0;
- width = (int)ceil(screen.extent(NR::X) * zoom_scale * padding);
- height = (int)ceil(screen.extent(NR::Y) * zoom_scale * padding);
-
- NR::Point origin(screen.min()[NR::X],
- sp_document_height(doc) - screen.extent(NR::Y) - screen.min()[NR::Y]);
+ Geom::Point origin(screen.min()[Geom::X],
+ doc->getHeight() - screen[Geom::Y].extent() - screen.min()[Geom::Y]);
- origin[NR::X] = origin[NR::X] + (screen.extent(NR::X) * ((1 - padding) / 2));
- origin[NR::Y] = origin[NR::Y] + (screen.extent(NR::Y) * ((1 - padding) / 2));
+ origin[Geom::X] = origin[Geom::X] + (screen[Geom::X].extent() * ((1 - padding) / 2));
+ origin[Geom::Y] = origin[Geom::Y] + (screen[Geom::Y].extent() * ((1 - padding) / 2));
- NR::scale scale(zoom_scale, zoom_scale);
- NR::Matrix affine = scale * NR::translate(-origin * scale);
+ Geom::Scale scale( (xdpi / PX_PER_IN), (ydpi / PX_PER_IN));
+ Geom::Matrix affine = scale * Geom::Translate(-origin * scale);
/* Create ArenaItems and set transform */
- NRArenaItem *root = sp_item_invoke_show(SP_ITEM(sp_document_root(doc)), arena, dkey, SP_ITEM_SHOW_DISPLAY);
+ NRArenaItem *root = SP_ITEM(doc->getRoot())->invoke_show( arena, dkey, SP_ITEM_SHOW_DISPLAY);
nr_arena_item_set_transform(NR_ARENA_ITEM(root), affine);
NRGC gc(NULL);
- nr_matrix_set_identity(&gc.transform);
+ gc.transform.setIdentity();
// We show all and then hide all items we don't want, instead of showing only requested items,
// because that would not work if the shown item references something in defs
if (items_only) {
- hide_other_items_recursively(sp_document_root(doc), items_only, dkey);
+ hide_other_items_recursively(doc->getRoot(), items_only, dkey);
}
NRRectL final_bbox;
nr_arena_item_invoke_update(root, &final_bbox, &gc, NR_ARENA_ITEM_STATE_ALL, NR_ARENA_ITEM_STATE_NONE);
- guchar *px = g_new(guchar, 4 * width * height);
-
- NRPixBlock B;
- nr_pixblock_setup_extern( &B, NR_PIXBLOCK_MODE_R8G8B8A8N,
- final_bbox.x0, final_bbox.y0, final_bbox.x1, final_bbox.y1,
- px, 4 * width, FALSE, FALSE );
+ guchar *px = NULL;
+ guint64 size = 4L * (guint64)width * (guint64)height;
+ if(size < (guint64)G_MAXSIZE) {
+ // g_try_new is limited to g_size type which is defined as unisgned int. Need to test for very large nubers
+ px = g_try_new(guchar, size);
+ }
- unsigned char dtc[4];
- dtc[0] = NR_RGBA32_R(bgcolor);
- dtc[1] = NR_RGBA32_G(bgcolor);
- dtc[2] = NR_RGBA32_B(bgcolor);
- dtc[3] = NR_RGBA32_A(bgcolor);
+ if(px != NULL)
+ {
- for (unsigned int fy = 0; fy < height; fy++) {
- guchar *p = NR_PIXBLOCK_PX(&B) + fy * B.rs;
- for (unsigned int fx = 0; fx < width; fx++) {
- for (int i = 0; i < 4; i++) {
- *p++ = dtc[i];
+ NRPixBlock B;
+ //g_warning("sp_generate_internal_bitmap: nr_pixblock_setup_extern.");
+ nr_pixblock_setup_extern( &B, NR_PIXBLOCK_MODE_R8G8B8A8N,
+ final_bbox.x0, final_bbox.y0, final_bbox.x1, final_bbox.y1,
+ px, 4 * width, FALSE, FALSE );
+
+ unsigned char dtc[4];
+ dtc[0] = NR_RGBA32_R(bgcolor);
+ dtc[1] = NR_RGBA32_G(bgcolor);
+ dtc[2] = NR_RGBA32_B(bgcolor);
+ dtc[3] = NR_RGBA32_A(bgcolor);
+
+ for (gsize fy = 0; fy < height; fy++) {
+ guchar *p = NR_PIXBLOCK_PX(&B) + fy * (gsize)B.rs;
+ for (unsigned int fx = 0; fx < width; fx++) {
+ for (int i = 0; i < 4; i++) {
+ *p++ = dtc[i];
+ }
}
}
- }
- nr_arena_item_invoke_render(NULL, root, &final_bbox, &B, NR_ARENA_ITEM_RENDER_NO_CACHE );
- GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(px, GDK_COLORSPACE_RGB,
- TRUE,
- 8, width, height, width * 4,
- (GdkPixbufDestroyNotify)g_free,
- NULL);
+ nr_arena_item_invoke_render(NULL, root, &final_bbox, &B, NR_ARENA_ITEM_RENDER_NO_CACHE );
+
+ pixbuf = gdk_pixbuf_new_from_data(px, GDK_COLORSPACE_RGB,
+ TRUE,
+ 8, width, height, width * 4,
+ (GdkPixbufDestroyNotify)g_free,
+ NULL);
+ }
+ else
+ {
+ g_warning("sp_generate_internal_bitmap: not enough memory to create pixel buffer. Need %lld.", size);
+ }
+ SP_ITEM(doc->getRoot())->invoke_hide(dkey);
+ nr_object_unref((NRObject *) arena);
// gdk_pixbuf_save (pixbuf, "C:\\temp\\internal.jpg", "jpeg", NULL, "quality","100", NULL);
fill-column:99
End:
*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :