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authorTed Gould <ted@gould.cx>2008-11-21 05:24:08 +0000
committerTed Gould <ted@canonical.com>2008-11-21 05:24:08 +0000
commit44a3a78fb6a3863c0c7f3c1193837337e68a67e4 (patch)
tree1722ee5ec6f88c881cd4124923354b3c1311501b /src/extension/internal/pdf-cairo.cpp
parentMerge from trunk (diff)
downloadinkscape-44a3a78fb6a3863c0c7f3c1193837337e68a67e4.tar.gz
inkscape-44a3a78fb6a3863c0c7f3c1193837337e68a67e4.zip
Merge from fe-moved
(bzr r6891)
Diffstat (limited to 'src/extension/internal/pdf-cairo.cpp')
-rw-r--r--src/extension/internal/pdf-cairo.cpp1060
1 files changed, 0 insertions, 1060 deletions
diff --git a/src/extension/internal/pdf-cairo.cpp b/src/extension/internal/pdf-cairo.cpp
deleted file mode 100644
index 6c2b2ed62..000000000
--- a/src/extension/internal/pdf-cairo.cpp
+++ /dev/null
@@ -1,1060 +0,0 @@
-#define __SP_PDF_CAIRO_C__
-
-/** \file
- * PDF printing with Cairo.
- */
-/*
- * Authors:
- * Miklós Erdélyi <erdelyim@gmail.com>
- *
- * Based on pdf.cpp
- *
- * Licensed under GNU GPL
- */
-
-/* Plain Print */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#ifdef HAVE_CAIRO_PDF
-
-#ifndef PANGO_ENABLE_BACKEND
-#define PANGO_ENABLE_BACKEND
-#endif
-
-#ifndef PANGO_ENABLE_ENGINE
-#define PANGO_ENABLE_ENGINE
-#endif
-
-
-#include <signal.h>
-#include <errno.h>
-
-#include <glib/gmem.h>
-#include <gtk/gtkstock.h>
-#include <gtk/gtkvbox.h>
-#include <gtk/gtkframe.h>
-#include <gtk/gtkradiobutton.h>
-#include <gtk/gtkcombo.h>
-#include <gtk/gtklabel.h>
-#include <gtk/gtkentry.h>
-#include <gtk/gtktooltips.h>
-
-#include <glibmm/i18n.h>
-#include "display/nr-arena-item.h"
-#include "display/canvas-bpath.h"
-#include "display/inkscape-cairo.h"
-#include "sp-item.h"
-#include "style.h"
-#include "sp-linear-gradient.h"
-#include "sp-radial-gradient.h"
-
-#include "libnrtype/font-instance.h"
-#include "libnrtype/font-style-to-pos.h"
-
-#include "libnr/nr-matrix.h"
-#include "libnr/nr-matrix-fns.h"
-#include "libnr/nr-matrix-ops.h"
-
-#include <unit-constants.h>
-
-#include "pdf-cairo.h"
-#include "extension/system.h"
-#include "extension/print.h"
-
-#include "io/sys.h"
-
-#include <cairo.h>
-#include <cairo-pdf.h>
-
-#include <pango/pango.h>
-#include <pango/pangofc-fontmap.h>
-
-#ifdef RENDER_WITH_PANGO_CAIRO
-#include <pango/pangocairo.h>
-#else
-#include <cairo-ft.h>
-#endif
-namespace Inkscape {
-namespace Extension {
-namespace Internal {
-
-static cairo_status_t _write_callback(void *closure, const unsigned char *data, unsigned int length);
-static void _concat_transform(cairo_t *cr, double xx, double yx, double xy, double yy, double x0, double y0);
-
-PrintCairoPDF::PrintCairoPDF() :
- cr(NULL),
- pdf_surface(NULL),
- _layout(NULL),
- _dpi(72),
- _bitmap(false)
-{
-}
-
-PrintCairoPDF::~PrintCairoPDF(void)
-{
- if (cr) cairo_destroy(cr);
- if (pdf_surface) cairo_surface_destroy(pdf_surface);
- if (_layout) g_object_unref(_layout);
-
- /* restore default signal handling for SIGPIPE */
-#if !defined(_WIN32) && !defined(__WIN32__)
- (void) signal(SIGPIPE, SIG_DFL);
-#endif
-
- return;
-}
-
-unsigned int
-PrintCairoPDF::setup(Inkscape::Extension::Print * mod)
-{
- static gchar const *const pdr[] = {"72", "75", "100", "144", "150", "200", "300", "360", "600", "1200", "2400", NULL};
-
-#ifdef TED
- Inkscape::XML::Node *repr = ((SPModule *) mod)->repr;
-#endif
-
- unsigned int ret = FALSE;
-
- /* Create dialog */
- GtkTooltips *tt = gtk_tooltips_new();
- g_object_ref((GObject *) tt);
- gtk_object_sink((GtkObject *) tt);
-
- GtkWidget *dlg = gtk_dialog_new_with_buttons(_("Print Destination"),
-// SP_DT_WIDGET(SP_ACTIVE_DESKTOP)->window,
- NULL,
- (GtkDialogFlags) (GTK_DIALOG_MODAL | GTK_DIALOG_NO_SEPARATOR | GTK_DIALOG_DESTROY_WITH_PARENT),
- GTK_STOCK_CANCEL,
- GTK_RESPONSE_CANCEL,
- GTK_STOCK_PRINT,
- GTK_RESPONSE_OK,
- NULL);
-
- gtk_dialog_set_default_response(GTK_DIALOG(dlg), GTK_RESPONSE_OK);
-
- GtkWidget *vbox = GTK_DIALOG(dlg)->vbox;
- gtk_container_set_border_width(GTK_CONTAINER(vbox), 4);
- /* Print properties frame */
- GtkWidget *f = gtk_frame_new(_("Print properties"));
- gtk_box_pack_start(GTK_BOX(vbox), f, FALSE, FALSE, 4);
- GtkWidget *vb = gtk_vbox_new(FALSE, 4);
- gtk_container_add(GTK_CONTAINER(f), vb);
- gtk_container_set_border_width(GTK_CONTAINER(vb), 4);
- /* Print type */
- bool const p2bm = mod->get_param_bool("bitmap");
- GtkWidget *rb = gtk_radio_button_new_with_label(NULL, _("Print using PDF operators"));
- gtk_tooltips_set_tip((GtkTooltips *) tt, rb,
- _("Use PDF vector operators. The resulting image is usually smaller "
- "in file size and can be arbitrarily scaled, but "
- "patterns will be lost."), NULL);
- if (!p2bm) gtk_toggle_button_set_active((GtkToggleButton *) rb, TRUE);
- gtk_box_pack_start(GTK_BOX(vb), rb, FALSE, FALSE, 0);
- rb = gtk_radio_button_new_with_label(gtk_radio_button_get_group((GtkRadioButton *) rb), _("Print as bitmap"));
- gtk_tooltips_set_tip((GtkTooltips *) tt, rb,
- _("Print everything as bitmap. The resulting image is usually larger "
- "in file size and cannot be arbitrarily scaled without quality loss, "
- "but all objects will be rendered exactly as displayed."), NULL);
- if (p2bm) gtk_toggle_button_set_active((GtkToggleButton *) rb, TRUE);
- gtk_box_pack_start(GTK_BOX(vb), rb, FALSE, FALSE, 0);
- /* Resolution */
- GtkWidget *hb = gtk_hbox_new(FALSE, 4);
- gtk_box_pack_start(GTK_BOX(vb), hb, FALSE, FALSE, 0);
- GtkWidget *combo = gtk_combo_new();
- gtk_combo_set_value_in_list(GTK_COMBO(combo), FALSE, FALSE);
- gtk_combo_set_use_arrows(GTK_COMBO(combo), TRUE);
- gtk_combo_set_use_arrows_always(GTK_COMBO(combo), TRUE);
- gtk_widget_set_size_request(combo, 64, -1);
- gtk_tooltips_set_tip((GtkTooltips *) tt, GTK_COMBO(combo)->entry,
- _("Preferred resolution (dots per inch) of bitmap"), NULL);
- /* Setup strings */
- GList *sl = NULL;
- for (unsigned i = 0; pdr[i] != NULL; i++) {
- sl = g_list_prepend(sl, (gpointer) pdr[i]);
- }
- sl = g_list_reverse(sl);
- gtk_combo_set_popdown_strings(GTK_COMBO(combo), sl);
- g_list_free(sl);
- if (1) {
- gchar const *val = mod->get_param_string("resolution");
- gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(combo)->entry), val);
- }
- gtk_box_pack_end(GTK_BOX(hb), combo, FALSE, FALSE, 0);
- GtkWidget *l = gtk_label_new(_("Resolution:"));
- gtk_box_pack_end(GTK_BOX(hb), l, FALSE, FALSE, 0);
-
- /* Print destination frame */
- f = gtk_frame_new(_("Print destination"));
- gtk_box_pack_start(GTK_BOX(vbox), f, FALSE, FALSE, 4);
- vb = gtk_vbox_new(FALSE, 4);
- gtk_container_add(GTK_CONTAINER(f), vb);
- gtk_container_set_border_width(GTK_CONTAINER(vb), 4);
-
- l = gtk_label_new(_("Printer name (as given by lpstat -p);\n"
- "leave empty to use the system default printer.\n"
- "Use '> filename' to print to file.\n"
- "Use '| prog arg...' to pipe to a program."));
- gtk_box_pack_start(GTK_BOX(vb), l, FALSE, FALSE, 0);
-
- GtkWidget *e = gtk_entry_new();
- if (1) {
- gchar const *val = mod->get_param_string("destination");
- gtk_entry_set_text(GTK_ENTRY(e), ( val != NULL
- ? val
- : "" ));
- }
- gtk_box_pack_start(GTK_BOX(vb), e, FALSE, FALSE, 0);
-
- // pressing enter in the destination field is the same as clicking Print:
- gtk_entry_set_activates_default(GTK_ENTRY(e), TRUE);
-
- gtk_widget_show_all(vbox);
-
- int const response = gtk_dialog_run(GTK_DIALOG(dlg));
-
- g_object_unref((GObject *) tt);
-
- if (response == GTK_RESPONSE_OK) {
- gchar const *fn;
- char const *sstr;
-
- _bitmap = gtk_toggle_button_get_active((GtkToggleButton *) rb);
- sstr = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(combo)->entry));
- _dpi = (unsigned int) MAX((int)(atof(sstr)), 1);
- /* Arrgh, have to do something */
- fn = gtk_entry_get_text(GTK_ENTRY(e));
- /* skip leading whitespace, bug #1068483 */
- while (fn && *fn==' ') { fn++; }
- /* g_print("Printing to %s\n", fn); */
-
- mod->set_param_bool("bitmap", _bitmap);
- mod->set_param_string("resolution", (gchar *)sstr);
- mod->set_param_string("destination", (gchar *)fn);
- ret = TRUE;
- }
-
- gtk_widget_destroy(dlg);
-
- return ret;
-}
-
-unsigned int
-PrintCairoPDF::begin(Inkscape::Extension::Print *mod, SPDocument *doc)
-{
- FILE *osf = NULL;
- FILE *osp = NULL;
-
- _alpha_stack.clear();
- _alpha_stack.push_back(1.0);
-
- gsize bytesRead = 0;
- gsize bytesWritten = 0;
- GError *error = NULL;
- gchar const *utf8_fn = mod->get_param_string("destination");
- gchar *local_fn = g_filename_from_utf8( utf8_fn,
- -1, &bytesRead, &bytesWritten, &error);
- gchar const *fn = local_fn;
-
- /* TODO: Replace the below fprintf's with something that does the right thing whether in
- * gui or batch mode (e.g. --print=blah). Consider throwing an exception: currently one of
- * the callers (sp_print_document_to_file, "ret = mod->begin(doc)") wrongly ignores the
- * return code.
- */
- if (fn != NULL) {
- if (*fn == '|') {
- fn += 1;
- while (isspace(*fn)) fn += 1;
-#ifndef WIN32
- osp = popen(fn, "w");
-#else
- osp = _popen(fn, "w");
-#endif
- if (!osp) {
- fprintf(stderr, "inkscape: popen(%s): %s\n",
- fn, strerror(errno));
- return 0;
- }
- _stream = osp;
- } else if (*fn == '>') {
- fn += 1;
- while (isspace(*fn)) fn += 1;
- Inkscape::IO::dump_fopen_call(fn, "K");
- osf = Inkscape::IO::fopen_utf8name(fn, "w+");
- if (!osf) {
- fprintf(stderr, "inkscape: fopen(%s): %s\n",
- fn, strerror(errno));
- return 0;
- }
- _stream = osf;
- } else {
- /* put cwd stuff in here */
- gchar *qn = ( *fn
- ? g_strdup_printf("lpr -P %s", fn) /* FIXME: quote fn */
- : g_strdup("lpr") );
-#ifndef WIN32
- osp = popen(qn, "w");
-#else
- osp = _popen(qn, "w");
-#endif
- if (!osp) {
- fprintf(stderr, "inkscape: popen(%s): %s\n",
- qn, strerror(errno));
- return 0;
- }
- g_free(qn);
- _stream = osp;
- }
- }
-
- g_free(local_fn);
-
- if (_stream) {
- /* fixme: this is kinda icky */
-#if !defined(_WIN32) && !defined(__WIN32__)
- (void) signal(SIGPIPE, SIG_IGN);
-#endif
- }
-
- // test output stream?
-
- // width and height in pt
- _width = sp_document_width(doc) * PT_PER_PX;
- _height = sp_document_height(doc) * PT_PER_PX;
-
- NRRect d;
- bool pageBoundingBox = mod->get_param_bool("pageBoundingBox");
- SPItem* doc_item = SP_ITEM(mod->base);
- // printf("Page Bounding Box: %s\n", pageBoundingBox ? "TRUE" : "FALSE");
- Geom::Matrix t (Geom::identity());
- if (pageBoundingBox) {
- d.x0 = d.y0 = 0;
- d.x1 = _width;
- d.y1 = _height;
- } else {
- // if not page, use our base, which is either root or the item we want to export
- sp_item_invoke_bbox(doc_item, &d, sp_item_i2doc_affine (doc_item), TRUE);
- // convert from px to pt
- d.x0 *= PT_PER_PX;
- d.x1 *= PT_PER_PX;
- d.y0 *= PT_PER_PX;
- d.y1 *= PT_PER_PX;
- }
-
- // When rendering a standalone object, we must set cairo's transform to the accumulated
- // ancestor transform of that item - e.g. it may be rotated or skewed by its parent group, and
- // we must reproduce that in the export even though we start traversing the tree from the
- // object itself, ignoring its ancestors
-
- // complete transform, including doc_item's own transform
- t = sp_item_i2doc_affine (doc_item);
- // subreact doc_item's transform (comes first) from it
- t = Geom::Matrix(doc_item->transform).inverse() * t;
-
- // create cairo context
- pdf_surface = cairo_pdf_surface_create_for_stream(Inkscape::Extension::Internal::_write_callback, _stream, d.x1-d.x0, d.y1-d.y0);
- cr = cairo_create(pdf_surface);
-
- // move to the origin
- cairo_translate (cr, -d.x0, -d.y0);
-
- // set cairo transform; we must scale the translation values to pt
- _concat_transform (cr, t[0], t[1], t[2], t[3], t[4]*PT_PER_PX, t[5]*PT_PER_PX);
-
- if (!_bitmap) {
- cairo_scale(cr, PT_PER_PX, PT_PER_PX);
-
- // from now on we can output px, but they will be treated as pt
- // note that the we do not have to flip the y axis
- // because Cairo's coordinate system is identical to Inkscape's
- }
-
- return 1;
-}
-
-unsigned int
-PrintCairoPDF::finish(Inkscape::Extension::Print *mod)
-{
- if (!_stream) return 0;
- if (_bitmap) return 0;
-
- cairo_show_page(cr);
-
- cairo_destroy(cr);
- cairo_surface_finish(pdf_surface);
- cairo_status_t status = cairo_surface_status(pdf_surface);
- cairo_surface_destroy(pdf_surface);
- cr = NULL;
- pdf_surface = NULL;
-
- /* Flush stream to be sure. */
- (void) fflush(_stream);
-
- /* fixme: should really use pclose for popen'd streams */
- fclose(_stream);
- _stream = 0;
-
- if (status == CAIRO_STATUS_SUCCESS)
- return true;
- else
- return false;
-}
-
-unsigned int
-PrintCairoPDF::bind(Inkscape::Extension::Print *mod, Geom::Matrix const *transform, float opacity)
-{
- if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned.
- if (_bitmap) return 0;
-
- if (opacity < 1.0) {
- cairo_push_group(cr);
- } else {
- cairo_save(cr);
- }
- _concat_transform(cr, (*transform)[0], (*transform)[1], (*transform)[2], (*transform)[3], (*transform)[4], (*transform)[5]);
- // printf("bind: (%f) %f %f %f %f %f %f\n", opacity, transform->c[0], transform->c[1], transform->c[2], transform->c[3], transform->c[4], transform->c[5]);
- // remember these to be able to undo them when outputting text
- _last_tx = (*transform)[4];
- _last_ty = (*transform)[5];
-
- _alpha_stack.push_back(opacity);
-
- return 1;
-}
-
-unsigned int
-PrintCairoPDF::release(Inkscape::Extension::Print *mod)
-{
- if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned.
- if (_bitmap) return 0;
-
- float opacity = _alpha_stack.back();
-
- if (opacity < 1.0) {
- cairo_pop_group_to_source(cr);
- cairo_paint_with_alpha(cr, opacity);
- } else {
- cairo_restore(cr);
- }
-// g_printf("release\n");
- _alpha_stack.pop_back();
- g_assert(_alpha_stack.size() > 0);
-
- return 1;
-}
-
-unsigned int
-PrintCairoPDF::comment(Inkscape::Extension::Print *mod, char const *comment)
-{
- if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned.
- if (_bitmap) return 0;
-
- return 1;
-}
-
-cairo_pattern_t*
-PrintCairoPDF::create_pattern_for_paint(SPPaintServer const *const paintserver, NRRect const *pbox, float alpha)
-{
- cairo_pattern_t *pattern = NULL;
- bool apply_bbox2user = false;
-
- if (SP_IS_LINEARGRADIENT (paintserver)) {
-
- SPLinearGradient *lg=SP_LINEARGRADIENT(paintserver);
-
- sp_gradient_ensure_vector(SP_GRADIENT(lg)); // when exporting from commandline, vector is not built
-
- Geom::Point p1 (lg->x1.computed, lg->y1.computed);
- Geom::Point p2 (lg->x2.computed, lg->y2.computed);
- if (pbox && SP_GRADIENT(lg)->units == SP_GRADIENT_UNITS_OBJECTBOUNDINGBOX) {
- // convert to userspace
- Geom::Matrix bbox2user(pbox->x1 - pbox->x0, 0, 0, pbox->y1 - pbox->y0, pbox->x0, pbox->y0);
- p1 *= bbox2user;
- p2 *= bbox2user;
- }
-
- // create linear gradient pattern
- pattern = cairo_pattern_create_linear(p1[Geom::X], p1[Geom::Y], p2[Geom::X], p2[Geom::Y]);
-
- // add stops
- for (gint i = 0; unsigned(i) < lg->vector.stops.size(); i++) {
- float rgb[3];
- sp_color_get_rgb_floatv(&lg->vector.stops[i].color, rgb);
- cairo_pattern_add_color_stop_rgba(pattern, lg->vector.stops[i].offset, rgb[0], rgb[1], rgb[2], lg->vector.stops[i].opacity * alpha);
- }
- } else if (SP_IS_RADIALGRADIENT (paintserver)) {
-
- SPRadialGradient *rg=SP_RADIALGRADIENT(paintserver);
-
- sp_gradient_ensure_vector(SP_GRADIENT(rg)); // when exporting from commandline, vector is not built
-
- Geom::Point c (rg->cx.computed, rg->cy.computed);
- Geom::Point f (rg->fx.computed, rg->fy.computed);
- double r = rg->r.computed;
-
- Geom::Coord const df = hypot(f[Geom::X] - c[Geom::X], f[Geom::Y] - c[Geom::Y]);
- if (df >= r) {
- f[Geom::X] = c[Geom::X] + (f[Geom::X] - c[Geom::X] ) * r / (float) df;
- f[Geom::Y] = c[Geom::Y] + (f[Geom::Y] - c[Geom::Y] ) * r / (float) df;
- }
-
- if (pbox && SP_GRADIENT(rg)->units == SP_GRADIENT_UNITS_OBJECTBOUNDINGBOX)
- apply_bbox2user = true;
-
- // create radial gradient pattern
- pattern = cairo_pattern_create_radial(f[Geom::X], f[Geom::Y], 0, c[Geom::X], c[Geom::Y], r);
-
- // add stops
- for (gint i = 0; unsigned(i) < rg->vector.stops.size(); i++) {
- float rgb[3];
- sp_color_get_rgb_floatv(&rg->vector.stops[i].color, rgb);
- cairo_pattern_add_color_stop_rgba(pattern, rg->vector.stops[i].offset, rgb[0], rgb[1], rgb[2], rg->vector.stops[i].opacity * alpha);
- }
- }
-
- if (pattern) {
- SPGradient *g = SP_GRADIENT(paintserver);
-
- // set extend type
- SPGradientSpread spread = sp_gradient_get_spread(g);
- switch (spread) {
- case SP_GRADIENT_SPREAD_REPEAT:
- cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
- break;
- case SP_GRADIENT_SPREAD_REFLECT:
- cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REFLECT);
- break;
- case SP_GRADIENT_SPREAD_PAD:
- default:
- cairo_pattern_set_extend(pattern, CAIRO_EXTEND_PAD);
- break;
- }
-
- cairo_matrix_t pattern_matrix;
- if (g->gradientTransform_set) {
- // apply gradient transformation
- cairo_matrix_init(&pattern_matrix,
- g->gradientTransform[0], g->gradientTransform[1],
- g->gradientTransform[2], g->gradientTransform[3],
- g->gradientTransform[4], g->gradientTransform[5]);
- } else {
- cairo_matrix_init_identity (&pattern_matrix);
- }
-
- if (apply_bbox2user) {
- // convert to userspace
- cairo_matrix_t bbox2user;
- cairo_matrix_init (&bbox2user, pbox->x1 - pbox->x0, 0, 0, pbox->y1 - pbox->y0, pbox->x0, pbox->y0);
- cairo_matrix_multiply (&pattern_matrix, &bbox2user, &pattern_matrix);
- }
- cairo_matrix_invert(&pattern_matrix); // because Cairo expects a userspace->patternspace matrix
- cairo_pattern_set_matrix(pattern, &pattern_matrix);
- }
-
- return pattern;
-}
-
-void
-PrintCairoPDF::print_fill_style(cairo_t *cr, SPStyle const *const style, NRRect const *pbox)
-{
- g_return_if_fail( style->fill.isColor()
- || ( style->fill.isPaintserver()
- && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ) );
-
- if (style->fill.isColor()) {
- float rgb[3];
- sp_color_get_rgb_floatv(&style->fill.value.color, rgb);
-
- float alpha = SP_SCALE24_TO_FLOAT(style->fill_opacity.value);
-
- cairo_set_source_rgba(cr, rgb[0], rgb[1], rgb[2], alpha);
- } else {
- g_assert( style->fill.isPaintserver()
- && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) );
-
- cairo_pattern_t *pattern = create_pattern_for_paint(SP_STYLE_FILL_SERVER(style), pbox, 1.0);
-
- if (pattern) {
- cairo_set_source(cr, pattern);
- cairo_pattern_destroy(pattern);
- }
- }
-}
-
-unsigned int
-PrintCairoPDF::fill(Inkscape::Extension::Print *mod, Geom::PathVector const &pathv, Geom::Matrix const *ctm, SPStyle const *const style,
- NRRect const *pbox, NRRect const *dbox, NRRect const *bbox)
-{
- if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned.
- if (_bitmap) return 0;
-
- if ( style->fill.isColor()
- || ( style->fill.isPaintserver()
- && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ) ) {
-
- float alpha = SP_SCALE24_TO_FLOAT(style->fill_opacity.value);
-
- cairo_save(cr);
-
- print_fill_style(cr, style, pbox);
-
- cairo_new_path(cr);
- feed_pathvector_to_cairo(cr, pathv);
-
- if (style->fill_rule.computed == SP_WIND_RULE_EVENODD) {
- cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
- } else {
- cairo_set_fill_rule(cr, CAIRO_FILL_RULE_WINDING);
- }
- if (alpha != 1.0 &&
- !style->fill.isColor()) {
-
- cairo_clip (cr);
- cairo_paint_with_alpha (cr, alpha);
- } else {
- cairo_fill(cr);
- }
-
- cairo_restore(cr);
- }
-
- return 0;
-}
-
-void
-PrintCairoPDF::print_stroke_style(cairo_t *cr, SPStyle const *style, NRRect const *pbox)
-{
- float alpha = SP_SCALE24_TO_FLOAT(style->stroke_opacity.value);
-
- if ( style->stroke.isColor() ) {
- float rgb[3];
- sp_color_get_rgb_floatv(&style->stroke.value.color, rgb);
-
- cairo_set_source_rgba(cr, rgb[0], rgb[1], rgb[2], alpha);
- } else if ( style->stroke.isPaintserver()
- && SP_IS_GRADIENT(SP_STYLE_STROKE_SERVER(style)) ) {
-
- cairo_pattern_t *pattern = create_pattern_for_paint(SP_STYLE_STROKE_SERVER(style), pbox, alpha);
-
- if (pattern) {
- cairo_set_source(cr, pattern);
- cairo_pattern_destroy(pattern);
- }
- }
-
- if (style->stroke_dash.n_dash &&
- style->stroke_dash.dash )
- {
- cairo_set_dash(cr, style->stroke_dash.dash, style->stroke_dash.n_dash, style->stroke_dash.offset);
- } else {
- cairo_set_dash(cr, NULL, 0, 0.0); // disable dashing
- }
-
- cairo_set_line_width(cr, style->stroke_width.computed);
-
- // set line join type
- cairo_line_join_t join = CAIRO_LINE_JOIN_MITER;
- switch (style->stroke_linejoin.computed) {
- case SP_STROKE_LINEJOIN_MITER:
- join = CAIRO_LINE_JOIN_MITER;
- break;
- case SP_STROKE_LINEJOIN_ROUND:
- join = CAIRO_LINE_JOIN_ROUND;
- break;
- case SP_STROKE_LINEJOIN_BEVEL:
- join = CAIRO_LINE_JOIN_BEVEL;
- break;
- }
- cairo_set_line_join(cr, join);
-
- // set line cap type
- cairo_line_cap_t cap = CAIRO_LINE_CAP_BUTT;
- switch (style->stroke_linecap.computed) {
- case SP_STROKE_LINECAP_BUTT:
- cap = CAIRO_LINE_CAP_BUTT;
- break;
- case SP_STROKE_LINECAP_ROUND:
- cap = CAIRO_LINE_CAP_ROUND;
- break;
- case SP_STROKE_LINECAP_SQUARE:
- cap = CAIRO_LINE_CAP_SQUARE;
- break;
- }
- cairo_set_line_cap(cr, cap);
- cairo_set_miter_limit(cr, MAX(1, style->stroke_miterlimit.value));
-}
-
-unsigned int
-PrintCairoPDF::stroke(Inkscape::Extension::Print *mod, Geom::PathVector const &pathv, Geom::Matrix const *ctm, SPStyle const *style,
- NRRect const *pbox, NRRect const *dbox, NRRect const *bbox)
-{
- if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned.
- if (_bitmap) return 0;
-
- if ( style->stroke.isColor() ||
- ( style->stroke.isPaintserver()
- && SP_IS_GRADIENT(SP_STYLE_STROKE_SERVER(style)) ) ) {
-
- cairo_save(cr);
-
- cairo_new_path(cr);
- print_stroke_style(cr, style, pbox);
-
- feed_pathvector_to_cairo(cr, pathv);
- cairo_stroke(cr);
-
- cairo_restore(cr);
- }
-
- return 0;
-}
-
-unsigned int
-PrintCairoPDF::image(Inkscape::Extension::Print *mod, guchar *px, unsigned int w, unsigned int h, unsigned int rs,
- Geom::Matrix const *transform, SPStyle const *style)
-{
- if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned.
- if (_bitmap) return 0;
-
- guchar* px_rgba = (guchar*)g_malloc(4 * w * h);
- if (!px_rgba) return 0;
-
- float alpha = _alpha_stack.back();
-
- // make a copy of the original pixbuf with premultiplied alpha
- // if we pass the original pixbuf it will get messed up
- for (unsigned i = 0; i < h; i++) {
- for (unsigned j = 0; j < w; j++) {
- guchar const *src = px + i * rs + j * 4;
- guint32 *dst = (guint32 *)(px_rgba + i * rs + j * 4);
- guchar r, g, b, alpha_dst;
-
- // calculate opacity-modified alpha
- alpha_dst = src[3];
- if (alpha != 1.0)
- alpha_dst = (guchar)ceil((float)alpha_dst * alpha);
-
- // premul alpha (needed because this will be undone by cairo-pdf)
- r = src[0]*alpha_dst/255;
- g = src[1]*alpha_dst/255;
- b = src[2]*alpha_dst/255;
-
- *dst = (((alpha_dst) << 24) | (((r)) << 16) | (((g)) << 8) | (b));
- }
- }
-
- cairo_surface_t *image_surface = cairo_image_surface_create_for_data(px_rgba, CAIRO_FORMAT_ARGB32, w, h, w * 4);
- if (cairo_surface_status(image_surface)) {
- g_printf("Error: %s\n", cairo_status_to_string(cairo_surface_status(image_surface)));
- return 0;
- }
-
- cairo_save(cr);
-
- // scaling by width & height is not needed because it will be done by cairo-pdf
- // we have to translate down by height also in order to eliminate the last translation done by sp_image_print
- cairo_matrix_t matrix;
- cairo_matrix_init(&matrix,
- (*transform)[0]/w, (*transform)[1],
- (*transform)[2], -(*transform)[3]/h,
- (*transform)[4], (*transform)[5] + (*transform)[3]);
- cairo_transform(cr, &matrix);
-
- cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image_surface);
- cairo_pattern_set_extend(pattern, CAIRO_EXTEND_NONE);
-
- cairo_set_source(cr, pattern);
- cairo_pattern_destroy(pattern);
-
- // set clip region so that the pattern will not be repeated (bug in Cairo prior 1.2.1)
- cairo_new_path(cr);
- cairo_rectangle(cr, 0, 0, w, h);
- cairo_clip(cr);
-
- cairo_paint(cr);
-
- cairo_restore(cr);
-
- cairo_surface_destroy(image_surface);
- g_free(px_rgba);
-
- return 0;
-}
-
-#define GLYPH_ARRAY_SIZE 64
-
-#ifndef RENDER_WITH_PANGO_CAIRO
-
-Geom::Point
-PrintCairoPDF::draw_glyphs(cairo_t *cr, Geom::Point p, PangoFont *font, PangoGlyphString *glyph_string,
- bool vertical, bool stroke)
-{
- cairo_glyph_t glyph_array[GLYPH_ARRAY_SIZE];
- cairo_glyph_t *glyphs = glyph_array;
- if (glyph_string->num_glyphs > GLYPH_ARRAY_SIZE)
- glyphs = (cairo_glyph_t*)g_malloc(sizeof(cairo_glyph_t) * glyph_string->num_glyphs);
-
- PangoGlyphUnit x_offset = 0, y_offset = 0;
- PangoGlyphInfo *info;
- int num_invalid_glyphs = 0;
- for (gint i = 0; i < glyph_string->num_glyphs; i++) {
- info = &glyph_string->glyphs[i];
- // skip glyphs which are PANGO_GLYPH_EMPTY (0x0FFFFFFF) or have
- // the PANGO_GLYPH_UNKNOWN_FLAG (0x10000000) set
- if (info->glyph == 0x0FFFFFFF || info->glyph & 0x10000000) {
- num_invalid_glyphs++;
- continue;
- }
-
- glyphs[i - num_invalid_glyphs].index = info->glyph;
- glyphs[i - num_invalid_glyphs].x = p[Geom::X] + (x_offset + info->geometry.x_offset)/PANGO_SCALE;
- glyphs[i - num_invalid_glyphs].y = p[Geom::Y] + (y_offset + info->geometry.y_offset)/PANGO_SCALE;
-
- if (vertical) {
- cairo_text_extents_t extents;
- cairo_glyph_extents(cr, &glyphs[i - num_invalid_glyphs], 1, &extents);
- y_offset += (PangoGlyphUnit)(extents.y_advance * PANGO_SCALE);
- }
- else
- x_offset += info->geometry.width;
- }
-
- if (stroke)
- cairo_glyph_path(cr, glyphs, glyph_string->num_glyphs - num_invalid_glyphs);
- else
- cairo_show_glyphs(cr, glyphs, glyph_string->num_glyphs - num_invalid_glyphs);
-
- if (glyph_string->num_glyphs > GLYPH_ARRAY_SIZE)
- g_free(glyphs);
-
- return Geom::Point(x_offset, y_offset);
-}
-#endif
-
-
-
-unsigned int
-PrintCairoPDF::text(Inkscape::Extension::Print *mod, char const *text, Geom::Point p,
- SPStyle const *const style)
-{
- bool dirty_pattern = false;
-
- if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned.
- if (_bitmap) return 0;
-
- cairo_save(cr);
-
- // this needs to be there to encounter Cairo's userspace locking semantics for set_source
- // otherwise gradients won't be shown correctly
- // printf("\n _last_tx:%f _last_ty:%f", _last_tx, _last_ty);
- cairo_translate(cr, -_last_tx, -_last_ty);
-
- // create pango layout and context if needed
- if (_layout == NULL) {
-#ifdef RENDER_WITH_PANGO_CAIRO
- //_context = pango_cairo_font_map_create_context(PANGO_CAIRO_FONT_MAP(pango_cairo_font_map_get_default()));
- _layout = pango_cairo_create_layout(cr);
-#else
- _layout = pango_layout_new((font_factory::Default())->fontContext);
-#endif
- }
-
- // create font instance from style and use it
- font_instance *tf = font_factory::Default()->FaceFromStyle(style);
- if (tf == NULL) { // do something
- g_printf("Warning: trouble getting font_instance\n");
- tf = (font_factory::Default())->Face("sans", font_style_to_pos(*style));
- }
- PangoFontDescription *adjusted = pango_font_description_copy(tf->descr);
-
- pango_font_description_set_absolute_size(adjusted, (gint)(style->font_size.computed * PANGO_SCALE));
- pango_layout_set_font_description(_layout, adjusted);
- pango_layout_set_text(_layout, text, -1);
-
- pango_font_description_free(adjusted);
- tf->Unref();
-
-#ifdef RENDER_WITH_PANGO_CAIRO
- pango_cairo_update_layout(cr, _layout);
-#else
- pango_layout_context_changed(_layout); // is this needed?
-#endif
-
- PangoLayoutLine *line = pango_layout_get_line(_layout, 0);
- if (line == NULL)
- return 0;
-
-#ifndef RENDER_WITH_PANGO_CAIRO
- // apply the selected font
- double size;
- PangoLayoutRun *first_run = (PangoLayoutRun *)line->runs->data;
- PangoFcFont *fc_font = PANGO_FC_FONT(first_run->item->analysis.font);
- FcPattern *fc_pattern = fc_font->font_pattern;
-
- if ( style->writing_mode.set &&
- (style->writing_mode.computed == SP_CSS_WRITING_MODE_TB_RL ||
- style->writing_mode.computed == SP_CSS_WRITING_MODE_TB_LR) )
- {
- FcPatternDel(fc_pattern, FC_VERTICAL_LAYOUT);
- FcPatternAddBool(fc_pattern, FC_VERTICAL_LAYOUT, FcTrue);
- dirty_pattern = true;
- }
-
- cairo_font_face_t *font_face = cairo_ft_font_face_create_for_pattern(fc_pattern);
- cairo_set_font_face(cr, font_face);
-
- if (FcPatternGetDouble(fc_pattern, FC_PIXEL_SIZE, 0, &size) != FcResultMatch)
- size = 12.0;
-
- // adjust size and horizontal flip
- cairo_matrix_t matrix;
- cairo_get_font_matrix(cr, &matrix);
- matrix.xx = size;
- matrix.yy = -matrix.xx;
- cairo_set_font_matrix(cr, &matrix);
-#endif
-
- if ( style->fill.isColor()
- || ( style->fill.isPaintserver()
- && SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style)) ) )
- {
- // set fill style
- print_fill_style(cr, style, NULL);
-
-#ifndef RENDER_WITH_PANGO_CAIRO
- Geom::Point cursor(_last_tx, _last_ty);
- for (GSList *tmpList = line->runs; tmpList && tmpList->data; tmpList = tmpList->next) {
- PangoLayoutRun *run = (PangoLayoutRun *)tmpList->data;
- cursor += draw_glyphs(cr, cursor, run->item->analysis.font, run->glyphs, dirty_pattern, false) / PANGO_SCALE;
- }
-#else
- cairo_new_path(cr);
- // as pango has inverted origin we simulate the moveto and apply the vertical flip
- //cairo_move_to(cr, _last_tx, _last_ty);
- cairo_translate(cr, _last_tx, _last_ty);
- cairo_scale(cr, 1, -1);
- cairo_move_to(cr, 0, 0);
- pango_cairo_show_layout_line(cr, line);
- cairo_scale(cr, 1, -1);
- cairo_translate(cr, -_last_tx, -_last_ty);
-
-#endif
- }
-
- if (style->stroke.isColor()
- || ( style->stroke.isPaintserver()
- && SP_IS_GRADIENT(SP_STYLE_STROKE_SERVER(style)) ) )
- {
- // set stroke style
- print_stroke_style(cr, style, NULL);
-
- // paint stroke
-#ifndef RENDER_WITH_PANGO_CAIRO
- Geom::Point cursor(_last_tx, _last_ty);
- for (GSList *tmpList = line->runs; tmpList && tmpList->data; tmpList = tmpList->next) {
- PangoLayoutRun *run = (PangoLayoutRun *)tmpList->data;
- cursor += draw_glyphs(cr, cursor, run->item->analysis.font, run->glyphs, dirty_pattern, true) / PANGO_SCALE;
- }
-#else
- cairo_new_path(cr);
- // as pango has inverted origin we simulate the moveto and apply the vertical flip
- //cairo_move_to(cr, _last_tx, _last_ty);
- cairo_translate(cr, _last_tx, _last_ty);
- cairo_scale(cr, 1, -1);
- cairo_move_to(cr, 0, 0);
- pango_cairo_layout_line_path(cr, line);
- cairo_scale(cr, 1, -1);
- cairo_translate(cr, -_last_tx, -_last_ty);
-#endif
- cairo_stroke(cr);
- }
-
-
- cairo_restore(cr);
-
-#ifndef RENDER_WITH_PANGO_CAIRO
- cairo_font_face_destroy(font_face);
-
- if (dirty_pattern) {
- FcPatternDel(fc_pattern, FC_VERTICAL_LAYOUT);
- FcPatternAddBool(fc_pattern, FC_VERTICAL_LAYOUT, FcFalse);
- }
-#endif
-
- return 0;
-}
-
-/* Helper functions */
-
-static void
-_concat_transform(cairo_t *cr, double xx, double yx, double xy, double yy, double x0, double y0)
-{
- cairo_matrix_t matrix;
-
- cairo_matrix_init(&matrix, xx, yx, xy, yy, x0, y0);
- cairo_transform(cr, &matrix);
-}
-
-static cairo_status_t
-_write_callback(void *closure, const unsigned char *data, unsigned int length)
-{
- size_t written;
- FILE *file = (FILE*)closure;
-
- written = fwrite (data, 1, length, file);
-
- if (written == length)
- return CAIRO_STATUS_SUCCESS;
- else
- return CAIRO_STATUS_WRITE_ERROR;
-}
-
-bool
-PrintCairoPDF::textToPath(Inkscape::Extension::Print * ext)
-{
- return ext->get_param_bool("textToPath");
-}
-
-#include "clear-n_.h"
-
-void
-PrintCairoPDF::init(void)
-{
- /* PDF out */
- (void) Inkscape::Extension::build_from_mem(
- "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
- "<name>" N_("PDF Print") "</name>\n"
- "<id>" SP_MODULE_KEY_PRINT_CAIRO_PDF "</id>\n"
- "<param name=\"bitmap\" type=\"boolean\">false</param>\n"
- "<param name=\"resolution\" type=\"string\">72</param>\n"
- "<param name=\"destination\" type=\"string\">| lp</param>\n"
- "<param name=\"pageBoundingBox\" type=\"boolean\">true</param>\n"
- "<param name=\"textToPath\" type=\"boolean\">true</param>\n"
- "<param name=\"exportDrawing\" type=\"boolean\">false</param>\n"
- "<param name=\"exportCanvas\" type=\"boolean\">false</param>\n"
- "<param name=\"exportId\" type=\"string\"></param>\n"
- "<print/>\n"
- "</inkscape-extension>", new PrintCairoPDF());
-}
-
-
-} /* namespace Internal */
-} /* namespace Extension */
-} /* namespace Inkscape */
-
-/* End of GNU GPL code */
-
-#endif /* HAVE_CAIRO_PDF */
-
-
-/*
- Local Variables:
- mode:c++
- c-file-style:"stroustrup"
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
- indent-tabs-mode:nil
- fill-column:99
- End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :