#include "ps-document.h"
#include "ev-debug.h"
#include "gsdefaults.h"
+#include "ev-ps-exporter.h"
#ifdef HAVE_LOCALE_H
# include <locale.h>
GMutex* pixbuf_mutex = NULL;
GdkPixbuf *current_pixbuf = NULL;
-enum {
- PROP_0,
- PROP_TITLE
-};
-
/* structure to describe section of file to send to ghostscript */
struct record_list {
FILE *fp;
static void stop_interpreter(PSDocument * gs);
static gint start_interpreter(PSDocument * gs);
static void ps_document_document_iface_init (EvDocumentIface *iface);
+static void ps_document_ps_exporter_iface_init (EvPSExporterIface *iface);
static gboolean ps_document_widget_event (GtkWidget *widget, GdkEvent *event, gpointer data);
static GObjectClass *parent_class = NULL;
{
gs->bpixmap = NULL;
- gs->current_page = 0;
gs->interpreter_pid = -1;
- gs->width = -1;
- gs->height = -1;
gs->busy = FALSE;
gs->gs_filename = 0;
gs->gs_filename_unc = 0;
gs->bytes_left = 0;
gs->buffer_bytes_left = 0;
- gs->zoom_factor = 1.0;
-
gs->gs_status = _("No document loaded.");
+ gs->ps_export_pagelist = NULL;
+ gs->ps_export_filename = NULL;
+
pixbuf_cond = g_cond_new ();
pixbuf_mutex = g_mutex_new ();
}
-static void
-ps_document_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- switch (prop_id)
-
- {
- case PROP_TITLE:
- /* read only */
- break;
- }
-}
-
-static void
-ps_document_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- PSDocument *ps = PS_DOCUMENT (object);
-
- switch (prop_id)
- {
- case PROP_TITLE:
- if (ps->doc) {
- g_value_set_string (value, ps->doc->title);
- } else {
- g_value_set_string (value, NULL);
- }
- break;
- }
-}
-
static void
ps_document_class_init(PSDocumentClass *klass)
{
gs_class = klass;
object_class->finalize = ps_document_finalize;
- object_class->get_property = ps_document_get_property;
- object_class->set_property = ps_document_set_property;
klass->gs_atom = gdk_atom_intern ("GHOSTVIEW", FALSE);
klass->next_atom = gdk_atom_intern ("NEXT", FALSE);
klass->page_atom = gdk_atom_intern ("PAGE", FALSE);
klass->string_atom = gdk_atom_intern ("STRING", FALSE);
-
- g_object_class_override_property (object_class, PROP_TITLE, "title");
}
static void
{
GdkColormap *cmap;
GdkPixbuf *pixbuf;
+ int width, height;
cmap = gdk_window_get_colormap (gs->pstarget);
-
+ gdk_drawable_get_size (gs->bpixmap, &width, &height);
pixbuf = gdk_pixbuf_get_from_drawable (NULL, gs->bpixmap, cmap,
0, 0, 0, 0,
- gs->width, gs->height);
+ width, height);
g_mutex_lock (pixbuf_mutex);
current_pixbuf = pixbuf;
g_cond_signal (pixbuf_cond);
gs->gs_filename_unc = NULL;
}
- gs->current_page = 0;
gs->loaded = FALSE;
}
}
static void
-setup_pixmap (PSDocument *gs)
+setup_pixmap (PSDocument *gs, int page, double scale)
{
GdkGC *fill;
GdkColor white = { 0, 0xFFFF, 0xFFFF, 0xFFFF }; /* pixel, r, g, b */
GdkColormap *colormap;
+ double width, height;
+ int pixmap_width, pixmap_height;
- LOG ("Create our internal pixmap");
+ ev_document_get_page_size (EV_DOCUMENT (gs), page, &width, &height);
+ pixmap_width = floor (width * scale);
+ pixmap_height = floor (height * scale);
if(gs->bpixmap) {
- gdk_drawable_unref(gs->bpixmap);
+ int w, h;
+
+ gdk_drawable_get_size (gs->bpixmap, &w, &h);
+
+ if (pixmap_width != w || h != pixmap_height) {
+ gdk_drawable_unref (gs->bpixmap);
+ gs->bpixmap = NULL;
+ stop_interpreter (gs);
+ }
}
- fill = gdk_gc_new (gs->pstarget);
- colormap = gdk_drawable_get_colormap (gs->pstarget);
- gdk_color_alloc (colormap, &white);
- gdk_gc_set_foreground (fill, &white);
- gs->bpixmap = gdk_pixmap_new (gs->pstarget, gs->width, gs->height, -1);
- gdk_draw_rectangle (gs->bpixmap, fill, TRUE,
- 0, 0, gs->width, gs->height);
+ if (!gs->bpixmap) {
+ LOG ("Create pixmap");
+
+ fill = gdk_gc_new (gs->pstarget);
+ colormap = gdk_drawable_get_colormap (gs->pstarget);
+ gdk_color_alloc (colormap, &white);
+ gdk_gc_set_foreground (fill, &white);
+ gs->bpixmap = gdk_pixmap_new (gs->pstarget, pixmap_width,
+ pixmap_height, -1);
+ gdk_draw_rectangle (gs->bpixmap, fill, TRUE,
+ 0, 0, pixmap_width, pixmap_height);
+ }
}
+#define DEFAULT_PAGE_SIZE 1
+
static void
-setup_page (PSDocument *gs, double scale)
+get_page_box (PSDocument *gs, int page, int *urx, int *ury, int *llx, int *lly)
+{
+ gint new_llx = 0;
+ gint new_lly = 0;
+ gint new_urx = 0;
+ gint new_ury = 0;
+ GtkGSPaperSize *papersizes = gtk_gs_defaults_get_paper_sizes();
+ int new_pagesize = -1;
+
+ g_return_if_fail(PS_IS_DOCUMENT(gs));
+
+ if(new_pagesize == -1) {
+ new_pagesize = DEFAULT_PAGE_SIZE;
+ if(gs->doc) {
+ /* If we have a document:
+ We use -- the page size (if specified)
+ or the doc. size (if specified)
+ or the page bbox (if specified)
+ or the bounding box
+ */
+ if((page >= 0) && (gs->doc->numpages > page) &&
+ (gs->doc->pages) && (gs->doc->pages[page].size)) {
+ new_pagesize = gs->doc->pages[page].size - gs->doc->size;
+ }
+ else if(gs->doc->default_page_size != NULL) {
+ new_pagesize = gs->doc->default_page_size - gs->doc->size;
+ }
+ else if((page >= 0) &&
+ (gs->doc->numpages > page) &&
+ (gs->doc->pages) &&
+ (gs->doc->pages[page].boundingbox[URX] >
+ gs->doc->pages[page].boundingbox[LLX]) &&
+ (gs->doc->pages[page].boundingbox[URY] >
+ gs->doc->pages[page].boundingbox[LLY])) {
+ new_pagesize = -1;
+ }
+ else if((gs->doc->boundingbox[URX] > gs->doc->boundingbox[LLX]) &&
+ (gs->doc->boundingbox[URY] > gs->doc->boundingbox[LLY])) {
+ new_pagesize = -1;
+ }
+ }
+ }
+
+ /* Compute bounding box */
+ if(gs->doc && (gs->doc->epsf || new_pagesize == -1)) { /* epsf or bbox */
+ if((page >= 0) &&
+ (gs->doc->pages) &&
+ (gs->doc->pages[page].boundingbox[URX] >
+ gs->doc->pages[page].boundingbox[LLX])
+ && (gs->doc->pages[page].boundingbox[URY] >
+ gs->doc->pages[page].boundingbox[LLY])) {
+ /* use page bbox */
+ new_llx = gs->doc->pages[page].boundingbox[LLX];
+ new_lly = gs->doc->pages[page].boundingbox[LLY];
+ new_urx = gs->doc->pages[page].boundingbox[URX];
+ new_ury = gs->doc->pages[page].boundingbox[URY];
+ }
+ else if((gs->doc->boundingbox[URX] > gs->doc->boundingbox[LLX]) &&
+ (gs->doc->boundingbox[URY] > gs->doc->boundingbox[LLY])) {
+ /* use doc bbox */
+ new_llx = gs->doc->boundingbox[LLX];
+ new_lly = gs->doc->boundingbox[LLY];
+ new_urx = gs->doc->boundingbox[URX];
+ new_ury = gs->doc->boundingbox[URY];
+ }
+ }
+ else {
+ if(new_pagesize < 0)
+ new_pagesize = DEFAULT_PAGE_SIZE;
+ new_llx = new_lly = 0;
+ if(gs->doc && gs->doc->size &&
+ (new_pagesize < gs->doc->numsizes)) {
+ new_urx = gs->doc->size[new_pagesize].width;
+ new_ury = gs->doc->size[new_pagesize].height;
+ }
+ else {
+ new_urx = papersizes[new_pagesize].width;
+ new_ury = papersizes[new_pagesize].height;
+ }
+ }
+
+ if(new_urx <= new_llx)
+ new_urx = papersizes[12].width;
+ if(new_ury <= new_lly)
+ new_ury = papersizes[12].height;
+
+ *urx = new_urx;
+ *ury = new_ury;
+ *llx = new_llx;
+ *lly = new_lly;
+}
+
+static int
+get_page_orientation (PSDocument *gs, int page)
+{
+ int orientation;
+
+ orientation = GTK_GS_ORIENTATION_NONE;
+
+ if (gs->structured_doc) {
+ orientation = gs->doc->pages[page].orientation;
+ }
+ if (orientation == GTK_GS_ORIENTATION_NONE) {
+ orientation = gs->doc->default_page_orientation;
+ }
+ if (orientation == GTK_GS_ORIENTATION_NONE) {
+ orientation = gs->doc->orientation;
+ }
+ if (orientation == GTK_GS_ORIENTATION_NONE) {
+ orientation = GTK_GS_ORIENTATION_PORTRAIT;
+ }
+
+ return orientation;
+}
+
+static void
+setup_page (PSDocument *gs, int page, double scale)
{
char buf[1024];
+ int urx, ury, llx, lly, orientation;
#ifdef HAVE_LOCALE_H
char *savelocale;
#endif
*/
savelocale = setlocale (LC_NUMERIC, "C");
#endif
+ get_page_box (gs, page, &urx, &ury, &llx, &lly);
+ orientation = get_page_orientation (gs, page);
g_snprintf (buf, 1024, "%ld %d %d %d %d %d %f %f %d %d %d %d",
- 0L, gs->orientation * 90, gs->llx, gs->lly, gs->urx, gs->ury,
+ 0L, orientation * 90, llx, lly, urx, ury,
get_xdpi (gs) * scale,
get_ydpi (gs) * scale,
0, 0, 0, 0);
}
alpha_args = g_strsplit (ALPHA_PARAMS, " ", NUM_ALPHA_ARGS);
+ for(i = 0; i < NUM_ALPHA_ARGS && alpha_args[i]; i++, argc++) {
+ argv[argc] = alpha_args[i];
+ }
argv[argc++] = "-dNOPAUSE";
argv[argc++] = "-dQUIET";
return filename_unc;
}
-static void
-compute_dimensions (PSDocument *gs, int page)
-{
- GtkGSPaperSize *paper_sizes = gtk_gs_defaults_get_paper_sizes ();
- int urx, ury, llx, lly;
- int width, height;
- int orientation;
-
- g_return_if_fail (PS_IS_DOCUMENT (gs));
- g_return_if_fail (gs->doc != NULL);
- g_return_if_fail (page >= 0);
- g_return_if_fail (gs->doc->numpages > page);
-
- orientation = GTK_GS_ORIENTATION_NONE;
- if (gs->structured_doc) {
- orientation = gs->doc->pages[gs->current_page].orientation;
- }
- if (orientation == GTK_GS_ORIENTATION_NONE) {
- orientation = GTK_GS_ORIENTATION_PORTRAIT;
- }
-
- if (gs->doc->pages && gs->doc->pages[page].size) {
- int page_size;
-
- page_size = gs->doc->pages[page].size - gs->doc->size;
- llx = lly = 0;
- urx = gs->doc->size[page_size].width;
- ury = gs->doc->size[page_size].height;
- } else if (gs->doc->pages &&
- (gs->doc->pages[page].boundingbox[URX] >
- gs->doc->pages[page].boundingbox[LLX]) &&
- (gs->doc->pages[page].boundingbox[URY] >
- gs->doc->pages[page].boundingbox[LLY])) {
- llx = gs->doc->pages[page].boundingbox[LLX];
- lly = gs->doc->pages[page].boundingbox[LLY];
- urx = gs->doc->pages[page].boundingbox[URX];
- ury = gs->doc->pages[page].boundingbox[URY];
- } else if ((gs->doc->boundingbox[URX] > gs->doc->boundingbox[LLX]) &&
- (gs->doc->boundingbox[URY] > gs->doc->boundingbox[LLY])) {
- llx = gs->doc->boundingbox[LLX];
- lly = gs->doc->boundingbox[LLY];
- urx = gs->doc->boundingbox[URX];
- ury = gs->doc->boundingbox[URY];
- } else {
- /* Fallback to A4 */
- llx = lly = 0;
- urx = paper_sizes[12].width;
- ury = paper_sizes[12].height;
- }
-
- switch (orientation) {
- case GTK_GS_ORIENTATION_PORTRAIT:
- case GTK_GS_ORIENTATION_UPSIDEDOWN:
- width = (urx - llx) / 72.0 * get_xdpi (gs) + 0.5;
- height = (ury - lly) / 72.0 * get_ydpi (gs) + 0.5;
- break;
- case GTK_GS_ORIENTATION_LANDSCAPE:
- case GTK_GS_ORIENTATION_SEASCAPE:
- width = (ury - lly) / 72.0 * get_xdpi (gs) + 0.5;
- height = (urx - llx) / 72.0 * get_ydpi (gs) + 0.5;
- break;
- default:
- width = height = 0;
- g_assert_not_reached ();
- break;
- }
-
- width = width * gs->zoom_factor;
- height = height * gs->zoom_factor;
-
- if (llx != gs->llx || lly != gs->lly ||
- urx != gs->urx || ury != gs->ury ||
- gs->width != width || gs->height != height ||
- orientation != gs->orientation) {
- gs->llx = llx;
- gs->lly = lly;
- gs->urx = urx;
- gs->ury = ury;
- gs->width = width;
- gs->height = height;
- gs->orientation = orientation;
- gs->changed = TRUE;
- }
-}
-
static gint
ps_document_enable_interpreter(PSDocument * gs)
{
NULL
};
+ static const GInterfaceInfo ps_exporter_info =
+ {
+ (GInterfaceInitFunc) ps_document_ps_exporter_iface_init,
+ NULL,
+ NULL
+ };
+
gs_type = g_type_register_static(G_TYPE_OBJECT,
"PSDocument", &gs_info, 0);
g_type_add_interface_static (gs_type,
EV_TYPE_DOCUMENT,
&document_info);
+ g_type_add_interface_static (gs_type,
+ EV_TYPE_PS_EXPORTER,
+ &ps_exporter_info);
}
return gs_type;
/* prepare this document */
gs->structured_doc = FALSE;
gs->send_filename_to_gs = TRUE;
- gs->current_page = 0;
gs->loaded = FALSE;
if(*fname == '/') {
/* an absolute path */
/* we grab the vital statistics!!! */
gs->doc = psscan(gs->gs_psfile, TRUE, filename);
- g_object_notify (G_OBJECT (gs), "title");
-
if(gs->doc == NULL) {
/* File does not seem to be a Postscript one */
gchar buf[1024];
}
}
gs->loaded = TRUE;
- compute_dimensions (gs, gs->current_page);
gs->gs_status = _("Document loaded.");
return result;
}
+static gboolean
+save_page_list (PSDocument *document, int *page_list, const char *filename)
+{
+ gboolean result = TRUE;
+ GtkGSDocSink *sink = gtk_gs_doc_sink_new ();
+ FILE *f;
+ gchar *buf;
+
+ pscopydoc (sink, document->gs_filename, document->doc, page_list);
+
+ buf = gtk_gs_doc_sink_get_buffer (sink);
+
+ f = fopen (filename, "w");
+ if (f) {
+ fputs (buf, f);
+ fclose (f);
+ } else {
+ result = FALSE;
+ }
+
+ g_free (buf);
+ gtk_gs_doc_sink_free (sink);
+ g_free (sink);
+
+ return result;
+}
+
static gboolean
ps_document_save (EvDocument *document,
const char *uri,
GError **error)
{
- g_warning ("ps_document_save not implemented"); /* FIXME */
- return TRUE;
+ PSDocument *ps = PS_DOCUMENT (document);
+ int *page_list;
+ gboolean result;
+ int i;
+ char *filename;
+
+ filename = g_filename_from_uri (uri, NULL, error);
+ if (!filename)
+ return FALSE;
+
+ page_list = g_new0 (int, ps->doc->numpages);
+ for (i = 0; i < ps->doc->numpages; i++) {
+ page_list[i] = 1;
+ }
+
+ result = save_page_list (ps, page_list, filename);
+
+ g_free (page_list);
+ g_free (filename);
+
+ return result;
}
static int
double *width,
double *height)
{
- /* Post script documents never vary in size */
-
PSDocument *gs = PS_DOCUMENT (document);
+ int w, h;
+ int urx, ury, llx, lly, orientation;
+
+ get_page_box (PS_DOCUMENT (document), page, &urx, &ury, &llx, &lly);
+ orientation = get_page_orientation (PS_DOCUMENT (document), page);
- compute_dimensions (gs, page);
+ switch (orientation) {
+ case GTK_GS_ORIENTATION_PORTRAIT:
+ case GTK_GS_ORIENTATION_UPSIDEDOWN:
+ w = (urx - llx) / 72.0 * get_xdpi (gs) + 0.5;
+ h = (ury - lly) / 72.0 * get_ydpi (gs) + 0.5;
+ break;
+ case GTK_GS_ORIENTATION_LANDSCAPE:
+ case GTK_GS_ORIENTATION_SEASCAPE:
+ w = (ury - lly) / 72.0 * get_xdpi (gs) + 0.5;
+ h = (urx - llx) / 72.0 * get_ydpi (gs) + 0.5;
+ break;
+ default:
+ w = h = 0;
+ g_assert_not_reached ();
+ break;
+ }
if (width) {
- *width = gs->width;
+ *width = w;
}
if (height) {
- *height = gs->height;
+ *height = h;
}
}
-static char *
-ps_document_get_text (EvDocument *document, int page, EvRectangle *rect)
+static gboolean
+ps_document_can_get_text (EvDocument *document)
{
- g_warning ("ps_document_get_text not implemented"); /* FIXME ? */
- return NULL;
+ return FALSE;
}
static gboolean
gs);
}
- if (gs->changed) {
- stop_interpreter (gs);
- setup_pixmap (gs);
- setup_page (gs, job->scale);
- gs->changed = FALSE;
- }
+ setup_pixmap (gs, job->page, job->scale);
+ setup_page (gs, job->page, job->scale);
render_page (gs, job->page);
return pixbuf;
}
+static EvDocumentInfo *
+ps_document_get_info (EvDocument *document)
+{
+ EvDocumentInfo *info;
+ PSDocument *ps = PS_DOCUMENT (document);
+
+ info = g_new0 (EvDocumentInfo, 1);
+ info->fields_mask = EV_DOCUMENT_INFO_TITLE;
+ info->title = ps->doc->title;
+
+ return info;
+}
+
static void
ps_document_document_iface_init (EvDocumentIface *iface)
{
iface->load = ps_document_load;
iface->save = ps_document_save;
- iface->get_text = ps_document_get_text;
+ iface->can_get_text = ps_document_can_get_text;
iface->get_n_pages = ps_document_get_n_pages;
iface->get_page_size = ps_document_get_page_size;
iface->render_pixbuf = ps_document_render_pixbuf;
+ iface->get_info = ps_document_get_info;
+}
+
+static void
+ps_document_ps_export_begin (EvPSExporter *exporter, const char *filename)
+{
+ PSDocument *document = PS_DOCUMENT (exporter);
+
+ g_free (document->ps_export_pagelist);
+
+ document->ps_export_pagelist = g_new0 (int, document->doc->numpages);
+ document->ps_export_filename = g_strdup (filename);
+}
+
+static void
+ps_document_ps_export_do_page (EvPSExporter *exporter, int page)
+{
+ PSDocument *document = PS_DOCUMENT (exporter);
+
+ document->ps_export_pagelist[page] = 1;
+}
+
+static void
+ps_document_ps_export_end (EvPSExporter *exporter)
+{
+ PSDocument *document = PS_DOCUMENT (exporter);
+
+ save_page_list (document, document->ps_export_pagelist,
+ document->ps_export_filename);
+
+ g_free (document->ps_export_pagelist);
+ g_free (document->ps_export_filename);
+ document->ps_export_pagelist = NULL;
+ document->ps_export_filename = NULL;
+}
+
+static void
+ps_document_ps_exporter_iface_init (EvPSExporterIface *iface)
+{
+ iface->begin = ps_document_ps_export_begin;
+ iface->do_page = ps_document_ps_export_do_page;
+ iface->end = ps_document_ps_export_end;
}