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| author | miklosh <miklosh@users.sourceforge.net> | 2006-10-01 13:55:24 +0000 |
|---|---|---|
| committer | miklosh <miklosh@users.sourceforge.net> | 2006-10-01 13:55:24 +0000 |
| commit | acc61c0c9175363d714b82de0ffe0cc731b2ae88 (patch) | |
| tree | 83cea5371af5eb0625d4d20ce52b1e037d6f86b3 /src | |
| parent | Initial commit of Cairo renderer for PDF export (diff) | |
| download | inkscape-acc61c0c9175363d714b82de0ffe0cc731b2ae88.tar.gz inkscape-acc61c0c9175363d714b82de0ffe0cc731b2ae88.zip | |
Initial commit of Cairo renderer for PDF export
(bzr r1735)
Diffstat (limited to 'src')
| -rw-r--r-- | src/extension/internal/cairo-renderer-pdf-out.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/extension/internal/cairo-renderer-pdf-out.cpp b/src/extension/internal/cairo-renderer-pdf-out.cpp new file mode 100644 index 000000000..5d2765660 --- /dev/null +++ b/src/extension/internal/cairo-renderer-pdf-out.cpp @@ -0,0 +1,133 @@ +/*
+ * A quick hack to use the Cairo renderer to write out a file. This
+ * then makes 'save as...' PDF.
+ *
+ * Authors:
+ * Ted Gould <ted@gould.cx>
+ * Ulf Erikson <ulferikson@users.sf.net>
+ *
+ * Copyright (C) 2004-2006 Authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef HAVE_CAIRO_PDF
+
+#include "cairo-renderer-pdf-out.h"
+#include "cairo-render-context.h"
+#include "cairo-renderer.h"
+#include <print.h>
+#include "extension/system.h"
+#include "extension/print.h"
+#include "extension/db.h"
+#include "extension/output.h"
+#include "display/nr-arena.h"
+#include "display/nr-arena-item.h"
+
+#include <libnr/n-art-bpath.h>
+
+#include "display/curve.h"
+#include "display/canvas-bpath.h"
+#include "sp-item.h"
+#include "sp-root.h"
+
+namespace Inkscape {
+namespace Extension {
+namespace Internal {
+
+bool
+CairoRendererPdfOutput::check (Inkscape::Extension::Extension * module)
+{
+ return TRUE;
+}
+
+static bool
+pdf_render_document_to_file(SPDocument *doc, gchar const *filename)
+{
+ sp_document_ensure_up_to_date(doc);
+
+/* Start */
+ /* Create new arena */
+ SPItem *base = SP_ITEM(sp_document_root(doc));
+ NRArena *arena = NRArena::create();
+ unsigned dkey = sp_item_display_key_new(1);
+ NRArenaItem *root = sp_item_invoke_show(base, arena, dkey, SP_ITEM_SHOW_DISPLAY);
+
+ /* Create renderer and context */
+ CairoRenderer *renderer = new CairoRenderer();
+ CairoRenderContext *ctx = renderer->createContext();
+ ctx->setPdfTarget (filename);
+ bool ret = renderer->setupDocument(ctx, doc);
+ if (ret) {
+ renderer->renderItem(ctx, base);
+ ret = ctx->finish();
+ }
+
+ /* Release arena */
+ sp_item_invoke_hide(base, dkey);
+ nr_arena_item_unref(root);
+ nr_object_unref((NRObject *) arena);
+/* end */
+ renderer->destroyContext(ctx);
+ delete renderer;
+
+ return ret;
+}
+
+
+/**
+ \brief This function calls the output module with the filename
+ \param mod unused
+ \param doc Document to be saved
+ \param uri Filename to save to (probably will end in .png)
+
+ The most interesting thing that this function does is just attach
+ an '>' on the front of the filename. This is the syntax used to
+ tell the printing system to save to file.
+*/
+void
+CairoRendererPdfOutput::save (Inkscape::Extension::Output *mod, SPDocument *doc, const gchar *uri)
+{
+ gchar * final_name;
+ final_name = g_strdup_printf("> %s", uri);
+ bool ret = pdf_render_document_to_file(doc, final_name);
+ g_free(final_name);
+
+ if (!ret)
+ throw Inkscape::Extension::Output::save_failed();
+
+ return;
+}
+
+/**
+ \brief A function allocate a copy of this function.
+
+ This is the definition of Cairo PDF out. This function just
+ calls the extension system with the memory allocated XML that
+ describes the data.
+*/
+void
+CairoRendererPdfOutput::init (void)
+{
+ Inkscape::Extension::build_from_mem(
+ "<inkscape-extension>\n"
+ "<name>Cairo PDF Output (experimental)</name>\n"
+ "<id>org.inkscape.output.pdf.cairorenderer</id>\n"
+ "<output>\n"
+ "<extension>.pdf</extension>\n"
+ "<mimetype>application/pdf</mimetype>\n"
+ "<filetypename>Cairo PDF experimental (*.pdf)</filetypename>\n"
+ "<filetypetooltip>PDF File</filetypetooltip>\n"
+ "</output>\n"
+ "</inkscape-extension>", new CairoRendererPdfOutput());
+
+ return;
+}
+
+} } } /* namespace Inkscape, Extension, Internal */
+
+#endif /* HAVE_CAIRO_PDF */
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