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/**
* render a PDF to GDKSplashOutputDev
*
* Copyright 2004 Red Hat, Inc.
*/
#include <stdio.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include <GlobalParams.h>
#include <PDFDoc.h>
#include <ErrorCodes.h>
#include "GDKSplashOutputDev.h"
typedef struct
{
GtkWidget *window;
GtkWidget *sw;
GtkWidget *drawing_area;
GDKSplashOutputDev *out;
PDFDoc *doc;
} View;
static void
drawing_area_expose (GtkWidget *drawing_area,
GdkEventExpose *event,
void *data)
{
View *v = (View*) data;
int x, y, w, h;
GdkRectangle document;
GdkRectangle draw;
gdk_window_clear (drawing_area->window);
document.x = 0;
document.y = 0;
document.width = v->out->getBitmapWidth();
document.height = v->out->getBitmapHeight();
if (gdk_rectangle_intersect (&document, &event->area, &draw))
{
v->out->redraw (draw.x, draw.y,
drawing_area->window,
draw.x, draw.y,
draw.width, draw.height);
}
}
static int
view_load (View *v,
const char *filename)
{
PDFDoc *newDoc;
int err;
GooString *filename_g;
GtkAdjustment *hadj;
GtkAdjustment *vadj;
int w, h;
filename_g = new GooString (filename);
// open the PDF file
newDoc = new PDFDoc(filename_g, 0, 0);
delete filename_g;
if (!newDoc->isOk())
{
err = newDoc->getErrorCode();
delete newDoc;
return err;
}
if (v->doc)
delete v->doc;
v->doc = newDoc;
v->out->startDoc(v->doc->getXRef());
v->doc->displayPage (v->out, 1, 72, 72, 0, gTrue, gTrue);
w = v->out->getBitmapWidth();
h = v->out->getBitmapHeight();
gtk_widget_set_size_request (v->drawing_area, w, h);
}
static void
view_show (View *v)
{
gtk_widget_show (v->window);
}
static void
redraw_callback (void *data)
{
View *v = (View*) data;
gtk_widget_queue_draw (v->drawing_area);
}
static View*
view_new (void)
{
View *v;
GtkWidget *window;
GtkWidget *drawing_area;
GtkWidget *sw;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
drawing_area = gtk_drawing_area_new ();
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_container_add (GTK_CONTAINER (window), sw);
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (sw), drawing_area);
gtk_widget_show_all (sw);
v = g_new0 (View, 1);
v->window = window;
v->drawing_area = drawing_area;
v->sw = sw;
v->out = new GDKSplashOutputDev (gtk_widget_get_screen (window),
redraw_callback, (void*) v);
v->doc = 0;
g_signal_connect (drawing_area,
"expose_event",
G_CALLBACK (drawing_area_expose),
(void*) v);
return v;
}
int
main (int argc, char *argv [])
{
View *v;
int i;
gtk_init (&argc, &argv);
globalParams = new GlobalParams("/etc/xpdfrc");
globalParams->setupBaseFonts(NULL);
i = 1;
while (i < argc)
{
int err;
v = view_new ();
err = view_load (v, argv[i]);
if (err != errNone)
g_printerr ("Error loading document!\n");
view_show (v);
++i;
}
gtk_main ();
delete globalParams;
return 0;
}
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