static void move_pen_to_nextpage(void)
{
gnome_print_showpage(gpx);
gnome_print_context_close(gpx);
g_object_unref(gpx);
gpx = gnome_print_job_get_context(job);
gnome_print_beginpage(gpx, NULL);
gnome_print_setfont(gpx, font);
page_y = page_height - margin_top - line_height;
gnome_print_moveto(gpx, page_x, page_y);
}
static int
gnome_print_multipage_beginpage (GnomePrintContext *pc, const guchar *name)
{
GnomePrintMultipage *mp;
gint ret;
mp = GNOME_PRINT_MULTIPAGE (pc);
/* We count on ::showpage advancing subpage */
if (mp->subpage == mp->affines) {
/* Have to start new global page */
ret = gnome_print_beginpage (mp->subpc, name);
g_return_val_if_fail (ret == GNOME_PRINT_OK, ret);
}
/* Start new local page gsave and current affine matrix */
ret = gnome_print_gsave (mp->subpc);
g_return_val_if_fail (ret == GNOME_PRINT_OK, ret);
return ret;
}
static gint
gpm_render (GnomePrintContext *dest, const guchar *data, gint pos, gint len, gboolean pageops)
{
const guchar *end;
data = data + pos;
end = data + len;
while (data < end){
gint32 opcode, i;
guchar *cval;
gint32 ival;
gdouble dval;
ArtBpath *bpath;
data = decode_int (data, &opcode);
switch ((GnomeMetaType) opcode) {
case GNOME_META_BEGINPAGE:
data = gpm_decode_string (data, &cval);
if (pageops)
gnome_print_beginpage (dest, cval);
g_free (cval);
break;
case GNOME_META_SHOWPAGE:
if (pageops) gnome_print_showpage (dest);
break;
case GNOME_META_GSAVE:
gnome_print_gsave (dest);
break;
case GNOME_META_GRESTORE:
gnome_print_grestore (dest);
break;
case GNOME_META_CLIP:
data = gpm_decode_bpath (data, &bpath);
data = decode_int (data, &ival);
gnome_print_clip_bpath_rule (dest, bpath, ival);
g_free (bpath);
break;
case GNOME_META_FILL:
data = gpm_decode_bpath (data, &bpath);
data = decode_int (data, &ival);
gnome_print_fill_bpath_rule (dest, bpath, ival);
g_free (bpath);
break;
case GNOME_META_STROKE:
data = gpm_decode_bpath (data, &bpath);
gnome_print_stroke_bpath (dest, bpath);
g_free (bpath);
break;
case GNOME_META_IMAGE: {
gdouble affine[6];
gint32 width, height, channels;
guchar *buf;
data = decode_double (data, &affine[0]);
data = decode_double (data, &affine[1]);
data = decode_double (data, &affine[2]);
data = decode_double (data, &affine[3]);
data = decode_double (data, &affine[4]);
data = decode_double (data, &affine[5]);
data = decode_int (data, &height);
data = decode_int (data, &width);
data = decode_int (data, &channels);
buf = g_new (guchar, height * width * channels);
memcpy (buf, data, height * width * channels);
data += height * width * channels;
gnome_print_image_transform (dest, affine, buf, width, height, channels * width, channels);
g_free (buf);
break;
}
case GNOME_META_GLYPHLIST: {
GnomeGlyphList *gl;
gdouble affine[6];
gint32 len, code, ival, i;
gdouble dval;
data = decode_double (data, &affine[0]);
data = decode_double (data, &affine[1]);
data = decode_double (data, &affine[2]);
data = decode_double (data, &affine[3]);
data = decode_double (data, &affine[4]);
data = decode_double (data, &affine[5]);
gl = gnome_glyphlist_new ();
data = decode_int (data, &len);
if (len > 0) {
gl->glyphs = g_new (int, len);
gl->g_length = len;
gl->g_size = len;
for (i = 0; i < len; i++) {
data = decode_int (data, &ival);
gl->glyphs[i] = ival;
}
}
data = decode_int (data, &len);
if (len > 0) {
gl->rules = g_new (GGLRule, len);
gl->r_length = len;
gl->r_size = len;
for (i = 0; i < len; i++) {
data = decode_int (data, &code);
gl->rules[i].code = code;
switch (code) {
case GGL_POSITION:
case GGL_ADVANCE:
case GGL_COLOR:
data = decode_int (data, &ival);
gl->rules[i].value.ival = ival;
break;
case GGL_MOVETOX:
case GGL_MOVETOY:
case GGL_RMOVETOX:
case GGL_RMOVETOY:
case GGL_LETTERSPACE:
case GGL_KERNING:
data = decode_double (data, &dval);
gl->rules[i].value.dval = dval;
break;
case GGL_FONT: {
GnomeFont *font;
guchar *name;
data = decode_double (data, &dval);
data = gpm_decode_string (data, &name);
font = gnome_font_find (name, dval);
if (font == NULL)
g_warning ("Cannot find font: %s\n", name);
g_free (name);
gl->rules[i].value.font = font;
break;
}
default:
break;
}
}
}
gnome_print_glyphlist_transform (dest, affine, gl);
gnome_glyphlist_unref (gl);
break;
}
break;
case GNOME_META_COLOR: {
gdouble r, g, b, a;
data = decode_double (data, &r);
data = decode_double (data, &g);
data = decode_double (data, &b);
gnome_print_setrgbcolor (dest, r, g, b);
data = decode_double (data, &a);
gnome_print_setopacity (dest, a);
break;
}
case GNOME_META_LINE:
data = decode_double (data, &dval);
gnome_print_setlinewidth (dest, dval);
data = decode_double (data, &dval);
gnome_print_setmiterlimit (dest, dval);
data = decode_int (data, &ival);
gnome_print_setlinejoin (dest, ival);
data = decode_int (data, &ival);
gnome_print_setlinecap (dest, ival);
break;
case GNOME_META_DASH: {
int n;
double *values, offset;
data = decode_int (data, &n);
values = g_new (double, n);
for (i = 0; i < n; i++) {
data = decode_double (data, &values [i]);
}
data = decode_double (data, &offset);
gnome_print_setdash (dest, n, values, offset);
g_free (values);
break;
}
default:
g_warning ("Serious print meta data corruption %d", opcode);
break;
}
}
void DrawPrint( GnomePrintContext *gpc )
{
int bl_width = 32;
int bl_height = 32;
int seq_size = 32;
int the_width = RUNG_WIDTH*bl_width;
int the_height = RUNG_HEIGHT*bl_height;
int iCurrentLanguage = SectionArray[ InfosGene->CurrentSection ].Language;
GdkPixmap *pixmap_for_print;
#ifdef SEQUENTIAL_SUPPORT
if ( iCurrentLanguage==SECTION_IN_SEQUENTIAL )
{
the_width = SEQ_PAGE_WIDTH*seq_size;
the_height = SEQ_PAGE_HEIGHT*seq_size;
}
#endif
pixmap_for_print = gdk_pixmap_new( drawing_area->window/*drawable*/, the_width, the_height, -1/*depth*/ );
if ( pixmap_for_print )
{
char TheEnd = FALSE;
char NewPage = TRUE;
int SizePageOffset = 800;
int ScanRung = InfosGene->FirstRung;
int PageNumber = 1;
do
{
char Buffer[ LGT_LABEL+LGT_COMMENT+20 ];
GdkPixbuf *pixbuf_for_print;
if ( NewPage==TRUE )
{
gnome_print_beginpage( gpc, (guchar *)"1" );
NewPage = FALSE;
SizePageOffset = 800;
sprintf(Buffer, "ClassicLadder" RELEASE_VER_STRING ". Section:%s - Page:%d", SectionArray[ InfosGene->CurrentSection ].Name, PageNumber );
gnome_print_moveto( gpc, 50, 20 );
gnome_print_show( gpc, (guchar *)Buffer );
}
gdk_draw_rectangle (pixmap_for_print, drawing_area->style->white_gc, TRUE, 0, 0, the_width, the_height);
if ( iCurrentLanguage==SECTION_IN_LADDER )
DrawRung( pixmap_for_print, &RungArray[ ScanRung ], 0/*PosiY*/, bl_width, bl_height, DRAW_FOR_PRINT );
#ifdef SEQUENTIAL_SUPPORT
if ( iCurrentLanguage==SECTION_IN_SEQUENTIAL )
{
DrawSequentialPage( pixmap_for_print, SectionArray[ InfosGene->CurrentSection ].SequentialPage, DRAW_FOR_PRINT );
TheEnd = TRUE;
}
#endif
pixbuf_for_print = gdk_pixbuf_get_from_drawable( NULL /*GdkPixbuf *dest*/,
pixmap_for_print,
NULL /*cmap*/,
0 /*src_x*/,
0 /*src_y*/,
0 /*dest_x*/,
0 /*dest_y*/,
the_width,
the_height);
if ( pixbuf_for_print )
{
guchar *raw_image;
gint rowstride;
if ( iCurrentLanguage==SECTION_IN_LADDER )
{
char BuffFormat[10] = "%s (%s)";
if ( RungArray[ ScanRung ].Comment[0]=='\0' )
strcpy( BuffFormat, "%s %s" );
sprintf( Buffer, BuffFormat, RungArray[ ScanRung ].Label, RungArray[ ScanRung ].Comment );
gnome_print_moveto( gpc, 50, SizePageOffset );
SizePageOffset = SizePageOffset-20;
gnome_print_show( gpc, (guchar *)Buffer );
}
raw_image = gdk_pixbuf_get_pixels( pixbuf_for_print );
rowstride = gdk_pixbuf_get_rowstride( pixbuf_for_print );
gnome_print_gsave( gpc );
gnome_print_translate( gpc, 20, SizePageOffset-the_height+15 );
gnome_print_scale( gpc, the_width, the_height );
gnome_print_rgbimage( gpc, raw_image, the_width, the_height, rowstride);
gnome_print_grestore( gpc );
SizePageOffset = SizePageOffset-the_height-20;
gdk_pixbuf_unref( pixbuf_for_print );
if ( iCurrentLanguage==SECTION_IN_LADDER )
{
if ( ScanRung!=InfosGene->LastRung )
ScanRung = RungArray[ ScanRung ].NextRung;
else
TheEnd = TRUE;
}
if ( SizePageOffset<200 || TheEnd )
{
NewPage = TRUE;
PageNumber++;
gnome_print_showpage ( gpc );
}
}
else
{
printf( "Failed to create pixbuf_for_print\n" );
}
}
while( !TheEnd );
gdk_pixmap_unref( pixmap_for_print );
}
else
{
printf( "Failed to create pixmap_for_print\n" );
}
}
static GnomePrintJob *create_job(GnomePrintConfig *gpc)
{
GnomeFontFace *font_face;
PangoFontDescription *font_desc;
GtkTextIter start, end;
gchar *text, *p;
/* Get contents of TextBuffer */
GtkTextBuffer *buffer = pub->mw->buffer;
gtk_text_buffer_get_bounds(buffer, &start, &end);
text = g_strchomp(gtk_text_buffer_get_text(buffer, &start, &end, FALSE));
/* Initialize job */
job = gnome_print_job_new(gpc);
gnome_print_job_get_page_size_from_config(gpc, &page_width, &page_height);
gnome_print_config_get_length(gpc,
(guchar *)GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &margin_left, NULL);
gnome_print_config_get_length(gpc,
(guchar *)GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &margin_right, NULL);
gnome_print_config_get_length(gpc,
(guchar *)GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &margin_top, NULL);
gnome_print_config_get_length(gpc,
(guchar *)GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &margin_bottom, NULL);
/*
g_print("margin_left = %f\n", margin_left);
g_print("margin_right = %f\n", margin_right);
g_print("margin_top = %f\n", margin_top);
g_print("margin_bottom = %f\n", margin_bottom);
margin_top = margin_left;
margin_bottom = margin_left;
*/
/* Initialize font */
font_desc = gtk_widget_get_style(pub->mw->view)->font_desc;
font_face = gnome_font_face_find_closest_from_pango_description(font_desc);
font = gnome_font_face_get_font_default(font_face, FONT_SIZE);
// pango_font_description_get_size(font_desc) / PANGO_SCALE);
// g_print("PANGO_SCALE = %d\n", PANGO_SCALE);
// g_print("font_size = %d\n", pango_font_description_get_size(font_desc));
line_height = gnome_font_get_size(font);
tab_width = gnome_font_face_get_glyph_width(font_face,
gnome_font_face_lookup_default(font_face, g_utf8_get_char(" ")))
/ 1000 * FONT_SIZE * get_current_tab_width();
DV( g_print("tab_width = %f\n", tab_width));
/* Draw texts to canvas */
gpx = gnome_print_job_get_context(job);
gnome_print_beginpage(gpx, NULL);
gnome_print_setfont(gpx, font);
page_x = margin_left; // TODO RTL
page_y = page_height - margin_top - line_height;
gnome_print_moveto(gpx, page_x, page_y);
gl = gnome_glyphlist_from_text_dumb(font, 0x000000ff, 0, 0, (guchar *)"");
gl_width = 0;
p = text;
while (*p != '\0') {
gunichar ch = g_utf8_get_char(p);
gint glyph = gnome_font_lookup_default(font, ch);
if (!glyph) {
if (ch == '\n') {
print_glyph_list(page_x + gl_width > page_width - margin_right);
move_pen_to_newline();
DV( g_print("LF\n"));
} else if (ch == '\t') {
print_glyph_list(page_x + gl_width > page_width - margin_right);
/* page_x = page_x + tab_width
- ((page_x - margin_left) % tab_width); */
gdouble tmp_x = margin_left;
do {
tmp_x += tab_width;
} while (tmp_x < page_x + 0.000001); // FIXME
DV( g_print("HT "));
DV( g_print("%f -> %f\n", page_x, tmp_x));
page_x = tmp_x;
gnome_print_moveto(gpx, page_x, page_y);
/* } else if (ch == '\f') {
DV( g_print("FF\n"));
print_glyph_list(page_x + gl_width > page_width - margin_right);
move_pen_to_nextpage();
*/
}
else {
GnomeFont *tmp_font = find_proper_font(ch);
GnomeFontFace *tmp_face = gnome_font_get_face(tmp_font);
gdouble g_width;
glyph = gnome_font_lookup_default(tmp_font, ch);
g_width = gnome_font_face_get_glyph_width(tmp_face, glyph)
/ 1000 * FONT_SIZE;
if (page_x + gl_width + g_width > page_width - margin_right) {
if (g_unichar_iswide(ch)) {
print_glyph_list(FALSE);
move_pen_to_newline();
} else
print_glyph_list(TRUE);
}
gnome_glyphlist_font(gl, tmp_font);
gnome_glyphlist_glyph(gl, glyph);
gnome_glyphlist_font(gl, font);
gl_width += g_width;
DV( g_print("** "));
}
} else {
// if (ch == ' ') {
if (g_unichar_isspace(ch)) {
DV( g_print("SP "));
DV( g_print("\n"));
print_glyph_list(page_x + gl_width > page_width - margin_right);
page_x +=
gnome_font_face_get_glyph_width(font_face, glyph) / 1000 * FONT_SIZE;
gnome_print_moveto(gpx, page_x, page_y);
} else {
gdouble g_width
= gnome_font_face_get_glyph_width(font_face, glyph)
/ 1000 * FONT_SIZE;
if (page_x + gl_width + g_width > page_width - margin_right) {
if (g_unichar_iswide(ch)) {
print_glyph_list(FALSE);
move_pen_to_newline();
} else
print_glyph_list(TRUE);
}
gnome_glyphlist_glyph(gl, glyph);
gl_width += g_width;
DV( g_print("%02X ", glyph));
DV( g_print("%f (%f)\n", gl_width, gnome_font_get_glyph_width(font, glyph)));
}
}
p = g_utf8_next_char(p);
}
print_glyph_list(page_x + gl_width > page_width - margin_right);
DV( g_print("\n[EOT]\n"));
gnome_print_showpage(gpx);
gnome_print_context_close(gpx);
g_object_unref(gpx);
gnome_glyphlist_unref(gl);
gnome_font_unref(font);
gnome_font_face_unref(font_face);
gnome_print_job_close(job);
return job;
}