#include <glib/gstdio.h>
#include <glib/gi18n.h>
-#include <gtk/gtkwidget.h>
-#include <gtk/gtkwindow.h>
-#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
+#include <gdk/gdkpixbuf.h>
#include <string.h>
#include <stdlib.h>
-#include <sys/wait.h>
-#include <errno.h>
#include "ps-document.h"
+#include "ps-interpreter.h"
#include "ps.h"
#include "gstypes.h"
#include "gsdefaults.h"
#include "ev-file-exporter.h"
#include "ev-async-renderer.h"
-
-#define MAX_BUFSIZE 1024
-
-/* structure to describe section of file to send to ghostscript */
-typedef struct {
- FILE *fp;
- glong begin;
- guint len;
- gboolean seek_needed;
- gboolean close;
-} PSSection;
+#include "ev-document-thumbnails.h"
+#include "ev-document-misc.h"
struct _PSDocument {
GObject object;
- GtkWidget *target_window;
- GdkWindow *pstarget;
- GdkPixmap *bpixmap;
- glong message_window; /* Used by ghostview to receive messages from app */
-
- GPid interpreter_pid; /* PID of interpreter, -1 if none */
- GIOChannel *interpreter_input; /* stdin of interpreter */
- GIOChannel *interpreter_output; /* stdout of interpreter */
- GIOChannel *interpreter_err; /* stderr of interpreter */
- guint interpreter_input_id;
- guint interpreter_output_id;
- guint interpreter_error_id;
-
- gboolean busy; /* Is gs busy drawing? */
+ gchar *filename;
+ struct document *doc;
gboolean structured_doc;
- GQueue *ps_input;
- gchar *input_buffer_ptr;
- guint bytes_left;
- guint buffer_bytes_left;
-
- FILE *gs_psfile; /* the currently loaded FILE */
- gchar *gs_filename; /* the currently loaded filename */
- gchar *input_buffer;
- gboolean send_filename_to_gs; /* True if gs should read from file directly */
- struct document *doc;
+ PSInterpreter *gs;
+ /* Document Thumbnails */
+ PSInterpreter *thumbs_gs;
+ GdkPixbuf *thumbnail;
+ EvRenderContext *thumbs_rc;
+ GMutex *thumbs_mutex;
+ GCond *thumbs_cond;
+
+ /* File exporter */
gint *ps_export_pagelist;
gchar *ps_export_filename;
};
struct _PSDocumentClass {
GObjectClass parent_class;
-
- GdkAtom gs_atom;
- GdkAtom next_atom;
- GdkAtom page_atom;
- GdkAtom string_atom;
};
-static void ps_document_document_iface_init (EvDocumentIface *iface);
-static void ps_document_file_exporter_iface_init (EvFileExporterIface *iface);
-static void ps_async_renderer_iface_init (EvAsyncRendererIface *iface);
-
-static void ps_interpreter_start (PSDocument *gs);
-static void ps_interpreter_stop (PSDocument *gs);
-static void ps_interpreter_failed (PSDocument *gs,
- const gchar *msg);
-static gboolean ps_interpreter_is_ready (PSDocument *gs);
-
-static void push_pixbuf (PSDocument *gs);
+static void ps_document_document_iface_init (EvDocumentIface *iface);
+static void ps_document_file_exporter_iface_init (EvFileExporterIface *iface);
+static void ps_async_renderer_iface_init (EvAsyncRendererIface *iface);
+static void ps_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
+static void ps_interpreter_page_rendered (PSInterpreter *gs,
+ GdkPixbuf *pixbuf,
+ PSDocument *ps_document);
G_DEFINE_TYPE_WITH_CODE (PSDocument, ps_document, G_TYPE_OBJECT,
{
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
ps_document_document_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
+ ps_document_document_thumbnails_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
ps_document_file_exporter_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_ASYNC_RENDERER,
ps_async_renderer_iface_init);
});
-static void
-ps_section_free (PSSection *section)
-{
- if (!section)
- return;
-
- if (section->close && section->fp)
- fclose (section->fp);
-
- g_free (section);
-}
-
/* PSDocument */
static void
-ps_document_init (PSDocument *gs)
+ps_document_init (PSDocument *ps_document)
{
- gs->bpixmap = NULL;
- gs->interpreter_pid = -1;
-
- gs->busy = FALSE;
- gs->gs_filename = NULL;
-
- gs->structured_doc = FALSE;
- gs->send_filename_to_gs = FALSE;
-
- gs->doc = NULL;
-
- gs->interpreter_input = NULL;
- gs->interpreter_output = NULL;
- gs->interpreter_err = NULL;
- gs->interpreter_input_id = 0;
- gs->interpreter_output_id = 0;
- gs->interpreter_error_id = 0;
-
- gs->ps_input = g_queue_new ();
- gs->input_buffer = NULL;
- gs->input_buffer_ptr = NULL;
- gs->bytes_left = 0;
- gs->buffer_bytes_left = 0;
-
- gs->ps_export_pagelist = NULL;
- gs->ps_export_filename = NULL;
}
static void
ps_document_dispose (GObject *object)
{
- PSDocument *gs = PS_DOCUMENT (object);
-
- if (gs->gs_psfile) {
- fclose (gs->gs_psfile);
- gs->gs_psfile = NULL;
- }
+ PSDocument *ps_document = PS_DOCUMENT (object);
- if (gs->gs_filename) {
- g_free (gs->gs_filename);
- gs->gs_filename = NULL;
+ if (ps_document->gs) {
+ g_object_unref (ps_document->gs);
+ ps_document->gs = NULL;
}
- if (gs->doc) {
- psfree (gs->doc);
- gs->doc = NULL;
+ if (ps_document->thumbs_gs) {
+ g_object_unref (ps_document->thumbs_gs);
+ ps_document->thumbs_gs = NULL;
}
-
- if (gs->bpixmap) {
- g_object_unref (gs->bpixmap);
- gs->bpixmap = NULL;
+
+ if (ps_document->filename) {
+ g_free (ps_document->filename);
+ ps_document->filename = NULL;
}
- if (gs->input_buffer) {
- g_free (gs->input_buffer);
- gs->input_buffer = NULL;
+ if (ps_document->doc) {
+ psfree (ps_document->doc);
+ ps_document->doc = NULL;
}
- if (gs->target_window) {
- gtk_widget_destroy (gs->target_window);
- gs->target_window = NULL;
- gs->pstarget = NULL;
+ if (ps_document->thumbnail) {
+ g_object_unref (ps_document->thumbnail);
+ ps_document->thumbnail = NULL;
}
- if (gs->ps_input) {
- g_queue_foreach (gs->ps_input, (GFunc)ps_section_free, NULL);
- g_queue_free (gs->ps_input);
- gs->ps_input = NULL;
+ if (ps_document->thumbs_mutex) {
+ g_mutex_free (ps_document->thumbs_mutex);
+ ps_document->thumbs_mutex = NULL;
+ }
+
+ if (ps_document->thumbs_cond) {
+ g_cond_free (ps_document->thumbs_cond);
+ ps_document->thumbs_cond = NULL;
}
- ps_interpreter_stop (gs);
+ if (ps_document->thumbs_rc) {
+ g_object_unref (ps_document->thumbs_rc);
+ ps_document->thumbs_rc = NULL;
+ }
G_OBJECT_CLASS (ps_document_parent_class)->dispose (object);
}
object_class = G_OBJECT_CLASS (klass);
object_class->dispose = ps_document_dispose;
-
- 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);
-}
-
-/* PSInterpreter */
-static gboolean
-ps_interpreter_input (GIOChannel *io,
- GIOCondition condition,
- PSDocument *gs)
-{
- PSSection *section = NULL;
-
- do {
- if (gs->buffer_bytes_left == 0) {
- /* Get a new section if required */
- if (gs->bytes_left == 0) {
- ps_section_free (section);
- section = NULL;
- g_queue_pop_tail (gs->ps_input);
- }
-
- if (section == NULL) {
- section = g_queue_peek_tail (gs->ps_input);
- }
-
- /* Have to seek at the beginning of each section */
- if (section && section->seek_needed) {
- fseek (section->fp, section->begin, SEEK_SET);
- section->seek_needed = FALSE;
- gs->bytes_left = section->len;
- }
-
- if (gs->bytes_left > MAX_BUFSIZE) {
- gs->buffer_bytes_left = fread (gs->input_buffer, sizeof (char),
- MAX_BUFSIZE, section->fp);
- } else if (gs->bytes_left > 0) {
- gs->buffer_bytes_left = fread (gs->input_buffer, sizeof (char),
- gs->bytes_left, section->fp);
- } else {
- gs->buffer_bytes_left = 0;
- }
-
- if (gs->bytes_left > 0 && gs->buffer_bytes_left == 0) {
- ps_interpreter_failed (gs, NULL); /* Error occurred */
- }
-
- gs->input_buffer_ptr = gs->input_buffer;
- gs->bytes_left -= gs->buffer_bytes_left;
- }
-
- if (gs->buffer_bytes_left > 0) {
- GIOStatus status;
- gsize bytes_written;
- GError *error = NULL;
-
- status = g_io_channel_write_chars (gs->interpreter_input,
- gs->input_buffer_ptr,
- gs->buffer_bytes_left,
- &bytes_written,
- &error);
- switch (status) {
- case G_IO_STATUS_NORMAL:
- gs->buffer_bytes_left -= bytes_written;
- gs->input_buffer_ptr += bytes_written;
-
- break;
- case G_IO_STATUS_ERROR:
- ps_interpreter_failed (gs, error->message);
- g_error_free (error);
-
- break;
- case G_IO_STATUS_AGAIN:
- default:
- break;
- }
- }
- } while (!g_queue_is_empty (gs->ps_input) && gs->buffer_bytes_left == 0);
-
- if (g_queue_is_empty (gs->ps_input) && gs->buffer_bytes_left == 0) {
- GIOFlags flags;
-
- flags = g_io_channel_get_flags (gs->interpreter_input);
-
- g_io_channel_set_flags (gs->interpreter_input,
- flags & ~G_IO_FLAG_NONBLOCK, NULL);
- g_io_channel_flush (gs->interpreter_input, NULL);
- g_io_channel_set_flags (gs->interpreter_input,
- flags | G_IO_FLAG_NONBLOCK, NULL);
-
- gs->interpreter_input_id = 0;
-
- return FALSE;
- }
-
- return TRUE;
-}
-
-static gboolean
-ps_interpreter_output (GIOChannel *io,
- GIOCondition condition,
- PSDocument *gs)
-{
- gchar buf[MAX_BUFSIZE + 1];
- gsize bytes = 0;
- GIOStatus status;
- GError *error = NULL;
-
- status = g_io_channel_read_chars (io, buf, MAX_BUFSIZE,
- &bytes, &error);
- switch (status) {
- case G_IO_STATUS_NORMAL:
- if (bytes > 0) {
- buf[bytes] = '\0';
- g_print ("%s", buf);
- }
- break;
- case G_IO_STATUS_EOF:
- g_io_channel_unref (gs->interpreter_output);
- gs->interpreter_output = NULL;
- gs->interpreter_output_id = 0;
-
- return FALSE;
- case G_IO_STATUS_ERROR:
- ps_interpreter_failed (gs, error->message);
- g_error_free (error);
- gs->interpreter_output_id = 0;
-
- return FALSE;
- default:
- break;
- }
-
- if (!gs->interpreter_err) {
- ps_interpreter_failed (gs, NULL);
- }
-
- return TRUE;
-}
-
-static gboolean
-ps_interpreter_error (GIOChannel *io,
- GIOCondition condition,
- PSDocument *gs)
-{
- gchar buf[MAX_BUFSIZE + 1];
- gsize bytes = 0;
- GIOStatus status;
- GError *error = NULL;
-
- status = g_io_channel_read_chars (io, buf, MAX_BUFSIZE,
- &bytes, &error);
- switch (status) {
- case G_IO_STATUS_NORMAL:
- if (bytes > 0) {
- buf[bytes] = '\0';
- g_print ("%s", buf);
- }
-
- break;
- case G_IO_STATUS_EOF:
- g_io_channel_unref (gs->interpreter_err);
- gs->interpreter_err = NULL;
- gs->interpreter_error_id = 0;
-
- return FALSE;
- case G_IO_STATUS_ERROR:
- ps_interpreter_failed (gs, error->message);
- g_error_free (error);
- gs->interpreter_error_id = 0;
-
- break;
- default:
- break;
- }
-
- if (!gs->interpreter_output) {
- ps_interpreter_failed (gs, NULL);
- }
-
- return TRUE;
-}
-
-static void
-ps_interpreter_finished (GPid pid,
- gint status,
- PSDocument *gs)
-{
- g_spawn_close_pid (gs->interpreter_pid);
- gs->interpreter_pid = -1;
- ps_interpreter_failed (gs, NULL);
-}
-
-#define NUM_ARGS 100
-#define NUM_GS_ARGS (NUM_ARGS - 20)
-#define NUM_ALPHA_ARGS 10
-
-static void
-setup_interpreter_env (gchar **envp)
-{
- gint i;
-
- for (i = 0; envp[i]; i++)
- putenv (envp[i]);
-}
-
-static void
-ps_interpreter_start (PSDocument *gs)
-{
- gchar *argv[NUM_ARGS], *dir, *gv_env, *gs_path;
- gchar **gs_args, **alpha_args = NULL;
- gchar **envp;
- gint pin, pout, perr;
- gint argc = 0, i;
- GError *error = NULL;
-
- if (!gs->gs_filename)
- return;
-
- ps_interpreter_stop (gs);
-
- dir = g_path_get_dirname (gs->gs_filename);
-
- /* set up the args... */
- gs_path = g_find_program_in_path ("gs");
- gs_args = g_strsplit (gs_path, " ", NUM_GS_ARGS);
- g_free (gs_path);
- for (i = 0; i < NUM_GS_ARGS && gs_args[i]; i++, argc++) {
- argv[argc] = gs_args[i];
- }
-
- 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";
- argv[argc++] = "-dSAFER";
-
- if (gs->send_filename_to_gs) {
- argv[argc++] = gs->gs_filename;
- argv[argc++] = "-c";
- argv[argc++] = "quit";
- } else {
- argv[argc++] = "-";
- }
-
- argv[argc++] = NULL;
-
- gv_env = g_strdup_printf ("GHOSTVIEW=%ld %ld;DISPLAY=%s",
- gdk_x11_drawable_get_xid (gs->pstarget),
- gdk_x11_drawable_get_xid (gs->bpixmap),
- gdk_display_get_name (gdk_drawable_get_display (gs->pstarget)));
- envp = g_strsplit (gv_env, ";", 2);
- g_free (gv_env);
-
- if (g_spawn_async_with_pipes (dir, argv, NULL, G_SPAWN_DO_NOT_REAP_CHILD,
- (GSpawnChildSetupFunc)setup_interpreter_env, envp,
- &(gs->interpreter_pid),
- &pin, &pout, &perr,
- &error)) {
- GIOFlags flags;
-
- g_child_watch_add (gs->interpreter_pid,
- (GChildWatchFunc)ps_interpreter_finished,
- gs);
-
- gs->interpreter_input = g_io_channel_unix_new (pin);
- g_io_channel_set_encoding (gs->interpreter_input, NULL, NULL);
- flags = g_io_channel_get_flags (gs->interpreter_input);
- g_io_channel_set_flags (gs->interpreter_input,
- flags | G_IO_FLAG_NONBLOCK, NULL);
-
-
- gs->interpreter_output = g_io_channel_unix_new (pout);
- flags = g_io_channel_get_flags (gs->interpreter_output);
- g_io_channel_set_flags (gs->interpreter_output,
- flags | G_IO_FLAG_NONBLOCK, NULL);
- gs->interpreter_output_id =
- g_io_add_watch (gs->interpreter_output, G_IO_IN,
- (GIOFunc)ps_interpreter_output,
- gs);
-
- gs->interpreter_err = g_io_channel_unix_new (perr);
- flags = g_io_channel_get_flags (gs->interpreter_err);
- g_io_channel_set_flags (gs->interpreter_err,
- flags | G_IO_FLAG_NONBLOCK, NULL);
- gs->interpreter_error_id =
- g_io_add_watch (gs->interpreter_err, G_IO_IN,
- (GIOFunc)ps_interpreter_error,
- gs);
- } else {
- g_warning (error->message);
- g_error_free (error);
- }
-
- g_free (dir);
- g_strfreev (envp);
- g_strfreev (gs_args);
- g_strfreev (alpha_args);
-}
-
-static void
-ps_interpreter_stop (PSDocument *gs)
-{
- if (gs->interpreter_pid > 0) {
- gint status = 0;
-
- kill (gs->interpreter_pid, SIGTERM);
- while ((wait (&status) == -1) && (errno == EINTR));
- g_spawn_close_pid (gs->interpreter_pid);
- gs->interpreter_pid = -1;
- }
-
- if (gs->interpreter_input) {
- g_io_channel_unref (gs->interpreter_input);
- gs->interpreter_input = NULL;
-
- if (gs->interpreter_input_id > 0) {
- g_source_remove (gs->interpreter_input_id);
- gs->interpreter_input_id = 0;
- }
-
- if (gs->ps_input) {
- g_queue_foreach (gs->ps_input, (GFunc)ps_section_free, NULL);
- g_queue_free (gs->ps_input);
- gs->ps_input = g_queue_new ();
- }
- }
-
- if (gs->interpreter_output) {
- g_io_channel_unref (gs->interpreter_output);
- gs->interpreter_output = NULL;
-
- if (gs->interpreter_output_id > 0) {
- g_source_remove (gs->interpreter_output_id);
- gs->interpreter_output_id = 0;
- }
- }
-
- if (gs->interpreter_err) {
- g_io_channel_unref (gs->interpreter_err);
- gs->interpreter_err = NULL;
-
- if (gs->interpreter_error_id > 0) {
- g_source_remove (gs->interpreter_error_id);
- gs->interpreter_error_id = 0;
- }
- }
-
- gs->busy = FALSE;
-}
-
-static void
-ps_interpreter_failed (PSDocument *gs, const char *msg)
-{
- g_warning (msg ? msg : _("Interpreter failed."));
-
- push_pixbuf (gs);
- ps_interpreter_stop (gs);
-}
-
-static gboolean
-ps_interpreter_is_ready (PSDocument *gs)
-{
- return (gs->interpreter_pid != -1 &&
- !gs->busy &&
- (g_queue_is_empty (gs->ps_input)));
}
/* EvDocumentIface */
static gboolean
-document_load (PSDocument *gs, const gchar *fname, GError **error)
+document_load (PSDocument *ps_document, const gchar *fname, GError **error)
{
- /* prepare this document */
- gs->structured_doc = FALSE;
- gs->send_filename_to_gs = TRUE;
- gs->gs_filename = g_strdup (fname);
+ FILE *fd;
+
+ ps_document->filename = g_strdup (fname);
/*
* We need to make sure that the file is loadable/exists!
filename_dsp);
g_free (filename_dsp);
- ps_interpreter_failed (gs, NULL);
return FALSE;
}
- if (!gs->gs_filename || (gs->gs_psfile = fopen (gs->gs_filename, "r")) == NULL) {
+ if ((fd = fopen (ps_document->filename, "r")) == NULL) {
gchar *filename_dsp;
filename_dsp = g_filename_display_name (fname);
filename_dsp);
g_free (filename_dsp);
- ps_interpreter_failed (gs, NULL);
return FALSE;
}
/* we grab the vital statistics!!! */
- gs->doc = psscan (gs->gs_psfile, TRUE, gs->gs_filename);
- if (!gs->doc)
+ ps_document->doc = psscan (fd, TRUE, ps_document->filename);
+ fclose (fd);
+ if (!ps_document->doc)
return FALSE;
-
-
- if ((!gs->doc->epsf && gs->doc->numpages > 0) ||
- (gs->doc->epsf && gs->doc->numpages > 1)) {
- gs->structured_doc = TRUE;
- gs->send_filename_to_gs = FALSE;
- }
+ ps_document->structured_doc =
+ ((!ps_document->doc->epsf && ps_document->doc->numpages > 0) ||
+ (ps_document->doc->epsf && ps_document->doc->numpages > 1));
+
+ ps_document->gs = ps_interpreter_new (ps_document->filename,
+ ps_document->doc);
+ g_signal_connect (G_OBJECT (ps_document->gs), "page_rendered",
+ G_CALLBACK (ps_interpreter_page_rendered),
+ (gpointer) ps_document);
+
return TRUE;
}
return FALSE;
}
+ g_free (gs_path);
result = document_load (PS_DOCUMENT (document), filename, error);
if (!result && !(*error)) {
g_free (filename_dsp);
}
- g_free (gs_path);
g_free (filename);
return result;
FILE *f, *src_file;
gchar *buf;
- src_file = fopen (document->gs_filename, "r");
+ src_file = fopen (document->filename, "r");
if (src_file) {
struct stat stat_rec;
- if (stat (document->gs_filename, &stat_rec) == 0) {
+ if (stat (document->filename, &stat_rec) == 0) {
pscopy (src_file, sink, 0, stat_rec.st_size - 1);
}
FILE *f;
gchar *buf;
- pscopydoc (sink, document->gs_filename,
+ pscopydoc (sink, document->filename,
document->doc, page_list);
buf = gtk_gs_doc_sink_get_buffer (sink);
{
PSDocument *ps = PS_DOCUMENT (document);
- if (!ps->gs_filename || !ps->doc) {
+ if (!ps->filename || !ps->doc) {
return -1;
}
return ps->structured_doc ? ps->doc->numpages : 1;
}
-#define DEFAULT_PAGE_SIZE 1
-
-static void
-get_page_box (PSDocument *gs, int page, int *urx, int *ury, int *llx, int *lly)
+static gint
+ps_document_get_page_rotation (PSDocument *ps_document,
+ int page)
{
- 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;
-
- 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;
- }
- }
- }
+ gint rotation = GTK_GS_ORIENTATION_NONE;
- /* 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;
- }
+ g_assert (ps_document->doc != NULL);
+
+ if (ps_document->structured_doc) {
+ if (ps_document->doc->pages[page].orientation != GTK_GS_ORIENTATION_NONE)
+ rotation = ps_document->doc->pages[page].orientation;
+ else
+ rotation = ps_document->doc->default_page_orientation;
}
- if (new_urx <= new_llx)
- new_urx = papersizes[12].width;
- if (new_ury <= new_lly)
- new_ury = papersizes[12].height;
+ if (rotation == GTK_GS_ORIENTATION_NONE)
+ rotation = ps_document->doc->orientation;
+
+ if (rotation == GTK_GS_ORIENTATION_NONE)
+ rotation = GTK_GS_ORIENTATION_PORTRAIT;
- *urx = new_urx;
- *ury = new_ury;
- *llx = new_llx;
- *lly = new_lly;
+ return rotation;
}
static void
double *width,
double *height)
{
- PSDocument *gs = PS_DOCUMENT (document);
+ PSDocument *ps_document = PS_DOCUMENT (document);
int urx, ury, llx, lly;
+ gdouble pwidth, pheight;
+ gdouble page_width, page_height;
+ gint rotate;
+
+ psgetpagebox (ps_document->doc, page, &urx, &ury, &llx, &lly);
- get_page_box (gs, page, &urx, &ury, &llx, &lly);
+ pwidth = (urx - llx) + 0.5;
+ pheight = (ury - lly) + 0.5;
+ rotate = ps_document_get_page_rotation (ps_document, page);
+ if (rotate == 90 || rotate == 270) {
+ page_height = pwidth;
+ page_width = pheight;
+ } else {
+ page_width = pwidth;
+ page_height = pheight;
+ }
+
if (width) {
- *width = (urx - llx) + 0.5;
+ *width = page_width;
}
if (height) {
- *height = (ury - lly) + 0.5;
+ *height = page_height;
}
}
info->creator = g_strdup (ps->doc->creator);
info->n_pages = ev_document_get_n_pages (document);
- get_page_box (PS_DOCUMENT (document), 0, &urx, &ury, &llx, &lly);
+ psgetpagebox (PS_DOCUMENT (document)->doc, 0, &urx, &ury, &llx, &lly);
info->paper_width = (urx - llx) / 72.0f * 25.4f;
info->paper_height = (ury - lly) / 72.0f * 25.4f;
/* EvAsyncRendererIface */
static void
-setup_page (PSDocument *gs, int page, double scale, int rotation)
+ps_interpreter_page_rendered (PSInterpreter *gs,
+ GdkPixbuf *pixbuf,
+ PSDocument *ps_document)
{
- gchar *buf;
- char scaled_dpi[G_ASCII_DTOSTR_BUF_SIZE];
- int urx, ury, llx, lly;
- PSDocumentClass *gs_class;
-
- gs_class = PS_DOCUMENT_GET_CLASS (gs);
-
- get_page_box (gs, page, &urx, &ury, &llx, &lly);
- g_ascii_dtostr (scaled_dpi, G_ASCII_DTOSTR_BUF_SIZE, 72.0 * scale);
-
- buf = g_strdup_printf ("%ld %d %d %d %d %d %s %s %d %d %d %d",
- 0L, rotation, llx, lly, urx, ury,
- scaled_dpi, scaled_dpi,
- 0, 0, 0, 0);
-
- gdk_property_change (gs->pstarget, gs_class->gs_atom, gs_class->string_atom,
- 8, GDK_PROP_MODE_REPLACE, (guchar *)buf, strlen (buf));
- g_free (buf);
-
- gdk_flush ();
+ g_signal_emit_by_name (ps_document, "render_finished", pixbuf);
}
static void
-setup_pixmap (PSDocument *gs, int page, double scale, int rotation)
+ps_async_renderer_render_pixbuf (EvAsyncRenderer *renderer,
+ gint page,
+ gdouble scale,
+ gint rotation)
{
- GdkGC *fill;
- GdkColor white = { 0, 0xFFFF, 0xFFFF, 0xFFFF }; /* pixel, r, g, b */
- GdkColormap *colormap;
- double width, height;
- int pixmap_width, pixmap_height;
-
- if (gs->pstarget == NULL)
- return;
-
- ev_document_get_page_size (EV_DOCUMENT (gs), page, &width, &height);
-
- if (rotation == 90 || rotation == 270) {
- pixmap_height = width * scale + 0.5;
- pixmap_width = height * scale + 0.5;
- } else {
- pixmap_width = width * scale + 0.5;
- pixmap_height = height * scale + 0.5;
- }
-
- if (gs->bpixmap) {
- gint w, h;
+ PSDocument *ps_document = PS_DOCUMENT (renderer);
- gdk_drawable_get_size (gs->bpixmap, &w, &h);
+ g_return_if_fail (PS_IS_INTERPRETER (ps_document->gs));
- if (pixmap_width != w || h != pixmap_height) {
- g_object_unref (gs->bpixmap);
- gs->bpixmap = NULL;
- ps_interpreter_stop (gs);
- }
- }
+ rotation = (rotation + ps_document_get_page_rotation (ps_document, page)) % 360;
- if (!gs->bpixmap) {
- fill = gdk_gc_new (gs->pstarget);
- colormap = gdk_drawable_get_colormap (gs->pstarget);
- gdk_colormap_alloc_color (colormap, &white, FALSE, TRUE);
- 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);
- }
+ ps_interpreter_render_page (ps_document->gs, page, scale, rotation);
}
static void
-push_pixbuf (PSDocument *gs)
-{
- GdkColormap *cmap;
- GdkPixbuf *pixbuf;
- gint width, height;
-
- if (gs->pstarget == NULL)
- return;
-
- cmap = gdk_drawable_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,
- width, height);
- g_signal_emit_by_name (gs, "render_finished", pixbuf);
- g_object_unref (pixbuf);
-}
-
-static gboolean
-ps_document_widget_event (GtkWidget *widget, GdkEvent *event, gpointer data)
+ps_async_renderer_iface_init (EvAsyncRendererIface *iface)
{
- PSDocument *gs = (PSDocument *) data;
- PSDocumentClass *gs_class;
-
- if (event->type != GDK_CLIENT_EVENT)
- return FALSE;
-
- gs_class = PS_DOCUMENT_GET_CLASS (gs);
-
- gs->message_window = event->client.data.l[0];
-
- if (event->client.message_type == gs_class->page_atom) {
- gs->busy = FALSE;
-
- push_pixbuf (gs);
- }
-
- return TRUE;
+ iface->render_pixbuf = ps_async_renderer_render_pixbuf;
}
+/* EvDocumentThumbnailsIface */
static void
-send_ps (PSDocument *gs, long begin, unsigned int len, gboolean close)
+ps_interpreter_thumbnail_rendered (PSInterpreter *gs,
+ GdkPixbuf *pixbuf,
+ PSDocument *ps_document)
{
- PSSection *ps_new;
-
- if (!gs->interpreter_input) {
- g_critical ("No pipe to gs: error in send_ps().");
- return;
- }
-
- ps_new = g_new0 (PSSection, 1);
- ps_new->fp = gs->gs_psfile;
- ps_new->begin = begin;
- ps_new->len = len;
- ps_new->seek_needed = TRUE;
- ps_new->close = close;
-
- if (gs->input_buffer == NULL) {
- gs->input_buffer = g_malloc (MAX_BUFSIZE);
- }
+ if (ps_document->thumbnail)
+ g_object_unref (ps_document->thumbnail);
+ ps_document->thumbnail = g_object_ref (pixbuf);
- if (g_queue_is_empty (gs->ps_input)) {
- gs->input_buffer_ptr = gs->input_buffer;
- gs->bytes_left = len;
- gs->buffer_bytes_left = 0;
- g_queue_push_head (gs->ps_input, ps_new);
- gs->interpreter_input_id =
- g_io_add_watch (gs->interpreter_input,
- G_IO_OUT/* | G_IO_HUP | G_IO_ERR | G_IO_NVAL*/,
- (GIOFunc)ps_interpreter_input,
- gs);
- } else {
- g_queue_push_head (gs->ps_input, ps_new);
- }
+ g_cond_broadcast (ps_document->thumbs_cond);
}
-static void
-ps_document_next_page (PSDocument *gs)
+static gboolean
+ps_document_render_thumbnail (PSDocument *ps_document)
{
- XEvent event;
- GdkScreen *screen;
- GdkDisplay *display;
- Display *dpy;
- PSDocumentClass *gs_class;
-
- g_assert (gs->interpreter_pid != 0);
- g_assert (gs->busy != TRUE);
+ ps_interpreter_render_page (ps_document->thumbs_gs,
+ ps_document->thumbs_rc->page,
+ ps_document->thumbs_rc->scale,
+ ps_document->thumbs_rc->rotation);
- gs_class = PS_DOCUMENT_GET_CLASS (gs);
-
- gs->busy = TRUE;
-
- screen = gtk_window_get_screen (GTK_WINDOW (gs->target_window));
- display = gdk_screen_get_display (screen);
- dpy = gdk_x11_display_get_xdisplay (display);
-
- event.xclient.type = ClientMessage;
- event.xclient.display = dpy;
- event.xclient.window = gs->message_window;
- event.xclient.message_type =
- gdk_x11_atom_to_xatom_for_display (display,
- gs_class->next_atom);
- event.xclient.format = 32;
-
- gdk_error_trap_push ();
- XSendEvent (dpy, gs->message_window, FALSE, 0, &event);
- gdk_flush ();
- gdk_error_trap_pop ();
+ return FALSE;
}
-static gboolean
-render_page (PSDocument *gs, int page)
+static GdkPixbuf *
+ps_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails,
+ EvRenderContext *rc,
+ gboolean border)
{
- g_assert (gs != NULL);
-
- if (!gs->gs_filename) {
- return FALSE;
- }
-
- if (gs->structured_doc && gs->doc) {
- if (ps_interpreter_is_ready (gs)) {
- ps_document_next_page (gs);
- } else {
- ps_interpreter_start (gs);
- send_ps (gs, gs->doc->beginprolog, gs->doc->lenprolog, FALSE);
- send_ps (gs, gs->doc->beginsetup, gs->doc->lensetup, FALSE);
- }
+ PSDocument *ps_document;
+ GdkPixbuf *pixbuf = NULL;
- send_ps (gs, gs->doc->pages[page].begin,
- gs->doc->pages[page].len, FALSE);
- } else {
- /* Unstructured document
- *
- * In the case of non structured documents,
- * GS read the PS from the actual file (via command
- * line. Hence, ggv only send a signal next page.
- * If ghostview is not running it is usually because
- * the last page of the file was displayed. In that
- * case, ggv restarts GS again and the first page is displayed.
- */
-
- if (!ps_interpreter_is_ready (gs)) {
- ps_interpreter_start (gs);
- }
- ps_document_next_page (gs);
+ ps_document = PS_DOCUMENT (document_thumbnails);
+
+ g_return_val_if_fail (ps_document->filename != NULL, NULL);
+ g_return_val_if_fail (ps_document->doc != NULL, NULL);
+
+ if (!ps_document->thumbs_gs) {
+ ps_document->thumbs_gs = ps_interpreter_new (ps_document->filename,
+ ps_document->doc);
+ g_signal_connect (G_OBJECT (ps_document->thumbs_gs), "page_rendered",
+ G_CALLBACK (ps_interpreter_thumbnail_rendered),
+ (gpointer) ps_document);
+ }
+
+ if (!ps_document->thumbs_mutex)
+ ps_document->thumbs_mutex = g_mutex_new ();
+ ps_document->thumbs_cond = g_cond_new ();
+
+ if (ps_document->thumbs_rc)
+ g_object_unref (ps_document->thumbs_rc);
+ ps_document->thumbs_rc = g_object_ref (rc);
+
+ ev_document_doc_mutex_unlock ();
+ g_mutex_lock (ps_document->thumbs_mutex);
+ g_idle_add ((GSourceFunc)ps_document_render_thumbnail, ps_document);
+ g_cond_wait (ps_document->thumbs_cond, ps_document->thumbs_mutex);
+ g_cond_free (ps_document->thumbs_cond);
+ ps_document->thumbs_cond = NULL;
+ g_mutex_unlock (ps_document->thumbs_mutex);
+ ev_document_doc_mutex_lock ();
+
+ pixbuf = ps_document->thumbnail;
+ ps_document->thumbnail = NULL;
+
+ if (border) {
+ GdkPixbuf *border_pixbuf;
+
+ border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
+ g_object_unref (pixbuf);
+ pixbuf = border_pixbuf;
}
- return TRUE;
+ return pixbuf;
}
static void
-ps_async_renderer_render_pixbuf (EvAsyncRenderer *renderer,
- gint page,
- gdouble scale,
- gint rotation)
+ps_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
+ EvRenderContext *rc,
+ gint *width,
+ gint *height)
{
- PSDocument *gs = PS_DOCUMENT (renderer);
-
- if (gs->pstarget == NULL) {
- gs->target_window = gtk_window_new (GTK_WINDOW_POPUP);
- gtk_widget_realize (gs->target_window);
- gs->pstarget = gs->target_window->window;
-
- g_assert (gs->pstarget != NULL);
+ PSDocument *ps_document;
+ gdouble page_width, page_height;
- g_signal_connect (gs->target_window, "event",
- G_CALLBACK (ps_document_widget_event),
- gs);
+ ps_document = PS_DOCUMENT (document_thumbnails);
+
+ ps_document_get_page_size (EV_DOCUMENT (ps_document),
+ rc->page,
+ &page_width, &page_height);
+
+ if (rc->rotation == 90 || rc->rotation == 270) {
+ *width = (gint) (page_height * rc->scale);
+ *height = (gint) (page_width * rc->scale);
+ } else {
+ *width = (gint) (page_width * rc->scale);
+ *height = (gint) (page_height * rc->scale);
}
-
- setup_pixmap (gs, page, scale, rotation);
- setup_page (gs, page, scale, rotation);
-
- render_page (gs, page);
}
static void
-ps_async_renderer_iface_init (EvAsyncRendererIface *iface)
+ps_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
{
- iface->render_pixbuf = ps_async_renderer_render_pixbuf;
+ iface->get_thumbnail = ps_document_thumbnails_get_thumbnail;
+ iface->get_dimensions = ps_document_thumbnails_get_dimensions;
}
/* EvFileExporterIface */
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff