#include "dvi-document.h"
#include "ev-document-thumbnails.h"
#include "ev-document-misc.h"
+#include "ev-file-exporter.h"
#include "mdvi.h"
#include "fonts.h"
-#include "pixbuf-device.h"
+#include "cairo-device.h"
#include <gtk/gtk.h>
#include <glib/gi18n.h>
DviParams *params;
/* To let document scale we should remember width and height */
-
double base_width;
double base_height;
gchar *uri;
+
+ /* PDF exporter */
+ gchar *exporter_filename;
+ GString *exporter_opts;
};
typedef struct _DviDocumentClass DviDocumentClass;
-static void dvi_document_do_color_special (DviContext *dvi, const char *prefix, const char *arg);
-static void dvi_document_document_iface_init (EvDocumentIface *iface);
+static void dvi_document_document_iface_init (EvDocumentIface *iface);
static void dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
-static void dvi_document_get_page_size (EvDocument *document,
- int page,
- double *width,
- double *height);
+static void dvi_document_file_exporter_iface_init (EvFileExporterIface *iface);
+static void dvi_document_get_page_size (EvDocument *document,
+ int page,
+ double *width,
+ double *height);
+static void dvi_document_do_color_special (DviContext *dvi,
+ const char *prefix,
+ const char *arg);
G_DEFINE_TYPE_WITH_CODE
(DviDocument, dvi_document, G_TYPE_OBJECT,
{
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, dvi_document_document_iface_init);
- G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, dvi_document_document_thumbnails_iface_init)
+ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, dvi_document_document_thumbnails_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, dvi_document_file_exporter_iface_init);
});
static gboolean
dvi_document_load (EvDocument *document,
- const char *uri,
- GError **error)
+ const char *uri,
+ GError **error)
{
- gchar *filename;
- DviDocument *dvi_document = DVI_DOCUMENT(document);
-
- filename = g_filename_from_uri (uri, NULL, error);
-
- if (!filename) {
+ gchar *filename;
+ DviDocument *dvi_document = DVI_DOCUMENT(document);
+
+ filename = g_filename_from_uri (uri, NULL, error);
+
+ if (!filename) {
g_set_error (error,
EV_DOCUMENT_ERROR,
EV_DOCUMENT_ERROR_INVALID,
_("File not available"));
return FALSE;
- }
+ }
- g_mutex_lock (dvi_context_mutex);
- if (dvi_document->context)
- mdvi_destroy_context (dvi_document->context);
-
- dvi_document->context = mdvi_init_context(dvi_document->params, dvi_document->spec, filename);
- g_mutex_unlock (dvi_context_mutex);
-
- if (!dvi_document->context) {
+ g_mutex_lock (dvi_context_mutex);
+ if (dvi_document->context)
+ mdvi_destroy_context (dvi_document->context);
+
+ dvi_document->context = mdvi_init_context(dvi_document->params, dvi_document->spec, filename);
+ g_mutex_unlock (dvi_context_mutex);
+
+ if (!dvi_document->context) {
g_set_error (error,
EV_DOCUMENT_ERROR,
EV_DOCUMENT_ERROR_INVALID,
_("DVI document has incorrect format"));
return FALSE;
- }
-
- mdvi_pixbuf_device_init (&dvi_document->context->device);
-
- dvi_document->base_width = dvi_document->context->dvi_page_w * dvi_document->context->params.conv
+ }
+
+ mdvi_cairo_device_init (&dvi_document->context->device);
+
+
+ dvi_document->base_width = dvi_document->context->dvi_page_w * dvi_document->context->params.conv
+ 2 * unit2pix(dvi_document->params->dpi, MDVI_HMARGIN) / dvi_document->params->hshrink;
-
- dvi_document->base_height = dvi_document->context->dvi_page_h * dvi_document->context->params.vconv
+
+ dvi_document->base_height = dvi_document->context->dvi_page_h * dvi_document->context->params.vconv
+ 2 * unit2pix(dvi_document->params->vdpi, MDVI_VMARGIN) / dvi_document->params->vshrink;
-
- g_free (dvi_document->uri);
- dvi_document->uri = g_strdup (uri);
-
- return TRUE;
+
+ g_free (dvi_document->uri);
+ dvi_document->uri = g_strdup (uri);
+
+ return TRUE;
}
}
static int
-dvi_document_get_n_pages (EvDocument *document)
+dvi_document_get_n_pages (EvDocument *document)
{
- DviDocument *dvi_document = DVI_DOCUMENT (document);
- return dvi_document->context->npages;
+ DviDocument *dvi_document = DVI_DOCUMENT (document);
+
+ return dvi_document->context->npages;
}
static void
-dvi_document_get_page_size (EvDocument *document,
- int page,
- double *width,
- double *height)
+dvi_document_get_page_size (EvDocument *document,
+ int page,
+ double *width,
+ double *height)
{
- DviDocument * dvi_document = DVI_DOCUMENT (document);
+ DviDocument *dvi_document = DVI_DOCUMENT (document);
*width = dvi_document->base_width;
*height = dvi_document->base_height;;
-
- return;
}
static cairo_surface_t *
dvi_document_render (EvDocument *document,
EvRenderContext *rc)
{
- GdkPixbuf *pixbuf;
cairo_surface_t *surface;
cairo_surface_t *rotated_surface;
DviDocument *dvi_document = DVI_DOCUMENT(document);
*/
g_mutex_lock (dvi_context_mutex);
- mdvi_setpage(dvi_document->context, rc->page);
+ mdvi_setpage (dvi_document->context, rc->page);
mdvi_set_shrink (dvi_document->context,
(int)((dvi_document->params->hshrink - 1) / rc->scale) + 1,
if (required_height >= proposed_height)
ymargin = (required_height - proposed_height) / 2;
- mdvi_pixbuf_device_set_margins (&dvi_document->context->device, xmargin, ymargin);
-
- mdvi_pixbuf_device_render (dvi_document->context);
-
- pixbuf = mdvi_pixbuf_device_get_pixbuf (&dvi_document->context->device);
+ mdvi_cairo_device_set_margins (&dvi_document->context->device, xmargin, ymargin);
+ mdvi_cairo_device_set_scale (&dvi_document->context->device, rc->scale);
+ mdvi_cairo_device_render (dvi_document->context);
+ surface = mdvi_cairo_device_get_surface (&dvi_document->context->device);
g_mutex_unlock (dvi_context_mutex);
- /* FIXME: we should write a mdvi device based on cairo */
- surface = ev_document_misc_surface_from_pixbuf (pixbuf);
- g_object_unref (pixbuf);
-
rotated_surface = ev_document_misc_surface_rotate_and_scale (surface,
required_width,
- required_height,
+ required_height,
rc->rotation);
cairo_surface_destroy (surface);
-
+
return rotated_surface;
}
g_mutex_lock (dvi_context_mutex);
if (dvi_document->context) {
- mdvi_pixbuf_device_free (&dvi_document->context->device);
+ mdvi_cairo_device_free (&dvi_document->context->device);
mdvi_destroy_context (dvi_document->context);
}
g_mutex_unlock (dvi_context_mutex);
if (dvi_document->params)
g_free (dvi_document->params);
+ if (dvi_document->exporter_filename)
+ g_free (dvi_document->exporter_filename);
+
+ if (dvi_document->exporter_opts)
+ g_string_free (dvi_document->exporter_opts, TRUE);
+
g_free (dvi_document->uri);
G_OBJECT_CLASS (dvi_document_parent_class)->finalize (object);
gobject_class->finalize = dvi_document_finalize;
- mdvi_init_kpathsea("evince", MDVI_MFMODE, MDVI_FALLBACK_FONT, MDVI_DPI);
+ mdvi_init_kpathsea ("evince", MDVI_MFMODE, MDVI_FALLBACK_FONT, MDVI_DPI);
mdvi_register_special ("Color", "color", NULL, dvi_document_do_color_special, 1);
mdvi_register_fonts ();
{
DviDocument *dvi_document = DVI_DOCUMENT (document);
GdkPixbuf *pixbuf;
- GdkPixbuf *border_pixbuf;
GdkPixbuf *rotated_pixbuf;
+ cairo_surface_t *surface;
gint thumb_width, thumb_height;
gint proposed_width, proposed_height;
-
+
thumb_width = (gint) (dvi_document->base_width * rc->scale);
thumb_height = (gint) (dvi_document->base_height * rc->scale);
-
- g_mutex_lock (dvi_context_mutex);
+ g_mutex_lock (dvi_context_mutex);
+
mdvi_setpage (dvi_document->context, rc->page);
mdvi_set_shrink (dvi_document->context,
proposed_height = dvi_document->context->dvi_page_h * dvi_document->context->params.vconv;
if (border) {
- mdvi_pixbuf_device_set_margins (&dvi_document->context->device,
- MAX (thumb_width - proposed_width, 0) / 2,
- MAX (thumb_height - proposed_height, 0) / 2);
+ mdvi_cairo_device_set_margins (&dvi_document->context->device,
+ MAX (thumb_width - proposed_width, 0) / 2,
+ MAX (thumb_height - proposed_height, 0) / 2);
} else {
- mdvi_pixbuf_device_set_margins (&dvi_document->context->device,
- MAX (thumb_width - proposed_width - 2, 0) / 2,
- MAX (thumb_height - proposed_height - 2, 0) / 2);
+ mdvi_cairo_device_set_margins (&dvi_document->context->device,
+ MAX (thumb_width - proposed_width - 2, 0) / 2,
+ MAX (thumb_height - proposed_height - 2, 0) / 2);
}
-
-
- mdvi_pixbuf_device_render (dvi_document->context);
- pixbuf = mdvi_pixbuf_device_get_pixbuf (&dvi_document->context->device);
+ mdvi_cairo_device_set_scale (&dvi_document->context->device, rc->scale);
+ mdvi_cairo_device_render (dvi_document->context);
+ surface = mdvi_cairo_device_get_surface (&dvi_document->context->device);
g_mutex_unlock (dvi_context_mutex);
-
+
+ pixbuf = ev_document_misc_pixbuf_from_surface (surface);
+ cairo_surface_destroy (surface);
+
rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
g_object_unref (pixbuf);
-
- if (border) {
- GdkPixbuf *tmp_pixbuf = rotated_pixbuf;
-
- rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf);
- g_object_unref (tmp_pixbuf);
+
+ if (border) {
+ GdkPixbuf *tmp_pixbuf = rotated_pixbuf;
+
+ rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf);
+ g_object_unref (tmp_pixbuf);
}
return rotated_pixbuf;
iface->get_dimensions = dvi_document_thumbnails_get_dimensions;
}
+/* EvFileExporterIface */
+static gboolean
+dvi_document_file_exporter_format_supported (EvFileExporter *exporter,
+ EvFileExporterFormat format)
+{
+ return (format == EV_FILE_FORMAT_PDF); /* only exporting to PDF is implemented. */
+}
+
+static void
+dvi_document_file_exporter_begin (EvFileExporter *exporter,
+ EvFileExporterFormat format,
+ const char *filename, /* for storing the temp pdf file */
+ int first_page,
+ int last_page,
+ double width,
+ double height,
+ gboolean duplex)
+{
+ DviDocument *dvi_document = DVI_DOCUMENT(exporter);
+
+ if (dvi_document->exporter_filename)
+ g_free (dvi_document->exporter_filename);
+ dvi_document->exporter_filename = g_strdup(filename);
+
+ if (dvi_document->exporter_opts) {
+ g_string_free (dvi_document->exporter_opts, TRUE);
+ }
+ dvi_document->exporter_opts = g_string_new ("-s ");
+}
+
+static void
+dvi_document_file_exporter_do_page (EvFileExporter *exporter, EvRenderContext *rc)
+{
+ DviDocument *dvi_document = DVI_DOCUMENT(exporter);
+
+ g_string_append_printf(dvi_document->exporter_opts, "%d,", (rc->page)+1);
+}
+
+static void
+dvi_document_file_exporter_end (EvFileExporter *exporter)
+{
+ gchar *command_line;
+ gint exit_stat;
+ GError *err = NULL;
+ gboolean success;
+
+ DviDocument *dvi_document = DVI_DOCUMENT(exporter);
+
+ command_line = g_strdup_printf ("dvipdfm %s -o %s %s", /* dvipdfm -s 1,2,.., -o exporter_filename dvi_filename */
+ dvi_document->exporter_opts->str,
+ dvi_document->exporter_filename,
+ dvi_document->context->filename);
+
+ success = g_spawn_command_line_sync (command_line,
+ NULL,
+ NULL,
+ &exit_stat,
+ &err);
+
+ g_free(command_line);
+
+ if (success == FALSE) {
+ g_warning (_("Error: %s"), err->message);
+ } else if (exit_stat != 0) {
+ g_warning (_("Error: dvipdfm exited with non-zero status."));
+ }
+
+ if (err)
+ g_error_free(err);
+}
+
+static void
+dvi_document_file_exporter_iface_init (EvFileExporterIface *iface)
+{
+ iface->format_supported = dvi_document_file_exporter_format_supported;
+ iface->begin = dvi_document_file_exporter_begin;
+ iface->do_page = dvi_document_file_exporter_do_page;
+ iface->end = dvi_document_file_exporter_end;
+}
+
#define RGB2ULONG(r,g,b) ((0xFF<<24)|(r<<16)|(g<<8)|(b))
static gboolean
}
static void
-dvi_document_do_color_special (DviContext *dvi, const char *prefix, const char *arg)
+parse_color (const gchar *ptr,
+ gdouble *color,
+ gint n_color)
{
- char *op, *color;
+ gchar *p = (gchar *)ptr;
+ gint i;
+
+ for (i = 0; i < n_color; i++) {
+ while (isspace (*p)) p++;
+ color[i] = g_ascii_strtod (p, NULL);
+ while (!isspace (*p) && *p != '\0') p++;
+ if (*p == '\0')
+ break;
+ }
+}
+static void
+dvi_document_do_color_special (DviContext *dvi, const char *prefix, const char *arg)
+{
if (strncmp (arg, "pop", 3) == 0) {
mdvi_pop_color (dvi);
} else if (strncmp (arg, "push", 4) == 0) {
- /* Find color source : Named, CMYK or RGB */
- const char *tmp = arg+4;
+ /* Find color source: Named, CMYK or RGB */
+ const char *tmp = arg + 4;
+
while (isspace (*tmp)) tmp++;
if (!strncmp ("rgb", tmp, 3)) {
- float r, g, b;
- unsigned char red, green, blue;
- sscanf (tmp+4, "%f %f %f", &r, &g, &b);
- red = 255*r;
- green = 255*g;
- blue = 255*b;
+ gdouble rgb[3];
+ guchar red, green, blue;
+
+ parse_color (tmp + 4, rgb, 3);
+
+ red = 255 * rgb[0];
+ green = 255 * rgb[1];
+ blue = 255 * rgb[2];
+
mdvi_push_color (dvi, RGB2ULONG (red, green, blue), 0xFFFFFFFF);
} else if (!strncmp ("hsb", tmp, 4)) {
- float h, s, b;
- char red, green, blue;
- sscanf (tmp+4, "%f %f %f", &h, &s, &b);
+ gdouble hsb[3];
+ guchar red, green, blue;
- if (hsb2rgb (h, s, b, &red, &green, &blue))
+ parse_color (tmp + 4, hsb, 3);
+
+ if (hsb2rgb (hsb[0], hsb[1], hsb[2], &red, &green, &blue))
mdvi_push_color (dvi, RGB2ULONG (red, green, blue), 0xFFFFFFFF);
} else if (!strncmp ("cmyk", tmp, 4)) {
- double r, g, b, c, m, y, k;
-
- sscanf (tmp+5, "%f %f %f %f", &c, &m, &y, &k);
+ gdouble cmyk[4];
+ double r, g, b;
+ guchar red, green, blue;
+
+ parse_color (tmp + 5, cmyk, 4);
- r = 1.0 - c - k;
+ r = 1.0 - cmyk[0] - cmyk[3];
if (r < 0.0)
r = 0.0;
- g = 1.0 - m - k;
+ g = 1.0 - cmyk[1] - cmyk[3];
if (g < 0.0)
g = 0.0;
- b = 1.0 - y - k;
+ b = 1.0 - cmyk[2] - cmyk[3];
if (b < 0.0)
b = 0.0;
- mdvi_push_color (dvi, RGB2ULONG ((char)(r*255+0.5), (char)(r*255+0.5),
- (char)(b*255+0.5)), 0xFFFFFFFF);
+
+ red = r * 255 + 0.5;
+ green = g * 255 + 0.5;
+ blue = b * 255 + 0.5;
+
+ mdvi_push_color (dvi, RGB2ULONG (red, green, blue), 0xFFFFFFFF);
+ } else if (!strncmp ("gray ", tmp, 5)) {
+ gdouble gray;
+ guchar rgb;
+
+ parse_color (tmp + 5, &gray, 1);
+
+ rgb = gray * 255 + 0.5;
+
+ mdvi_push_color (dvi, RGB2ULONG (rgb, rgb, rgb), 0xFFFFFFFF);
} else {
GdkColor color;
- if (gdk_color_parse (tmp, &color))
- mdvi_push_color (dvi, RGB2ULONG (color.red*255/65535,
- color.green*255/65535,
- color.blue*255/65535), 0xFFFFFFFF);
+
+ if (gdk_color_parse (tmp, &color)) {
+ guchar red, green, blue;
+
+ red = color.red * 255 / 65535.;
+ green = color.green * 255 / 65535.;
+ blue = color.blue * 255 / 65535.;
+
+ mdvi_push_color (dvi, RGB2ULONG (red, green, blue), 0xFFFFFFFF);
+ }
}
}
}
{
dvi_document->context = NULL;
dvi_document_init_params (dvi_document);
+
+ dvi_document->exporter_filename = NULL;
+ dvi_document->exporter_opts = NULL;
}