![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
index da88a5eae779307c1b4f98fd985085a7a8bd345e..bc3c6c4848b6c9fbd795e4e8cb9c2a5baae0af89 100644 (file)
-#define __SP_CAIRO_RENDERER_C__
-
/** \file
* Rendering with Cairo.
*/
/*
* Author:
* Miklos Erdelyi <erdelyim@gmail.com>
+ * Jon A. Cruz <jon@joncruz.org>
+ * Abhishek Sharma
*
* Copyright (C) 2006 Miklos Erdelyi
*
#include <errno.h>
#include "libnr/nr-rect.h"
+#include "libnrtype/Layout-TNG.h"
#include <2geom/transforms.h>
#include <2geom/pathvector.h>
namespace Internal {
CairoRenderer::CairoRenderer(void)
+ : _omitText(false)
{}
CairoRenderer::~CairoRenderer(void)
if (!shape->curve) return;
- sp_item_invoke_bbox(item, &pbox, Geom::identity(), TRUE);
+ item->invoke_bbox( &pbox, Geom::identity(), TRUE);
SPStyle* style = SP_OBJECT_STYLE (item);
Geom::PathVector const & pathv = shape->curve->get_pathvector();
+ if (pathv.empty()) return;
ctx->renderPathVector(pathv, style, &pbox);
- for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
- // START position
- for (int i = 0; i < 2; i++) { // SP_MARKER_LOC and SP_MARKER_LOC_START
- if ( shape->marker[i] ) {
- SPMarker* marker = SP_MARKER (shape->marker[i]);
+ // START marker
+ for (int i = 0; i < 2; i++) { // SP_MARKER_LOC and SP_MARKER_LOC_START
+ if ( shape->marker[i] ) {
+ SPMarker* marker = SP_MARKER (shape->marker[i]);
+ Geom::Matrix tr;
+ if (marker->orient_auto) {
+ tr = sp_shape_marker_get_transform_at_start(pathv.begin()->front());
+ } else {
+ tr = Geom::Rotate::from_degrees(marker->orient) * Geom::Translate(pathv.begin()->front().pointAt(0));
+ }
+ sp_shape_render_invoke_marker_rendering(marker, tr, style, ctx);
+ }
+ }
+ // MID marker
+ for (int i = 0; i < 3; i += 2) { // SP_MARKER_LOC and SP_MARKER_LOC_MID
+ if ( !shape->marker[i] ) continue;
+ SPMarker* marker = SP_MARKER (shape->marker[i]);
+ for(Geom::PathVector::const_iterator path_it = pathv.begin(); path_it != pathv.end(); ++path_it) {
+ // START position
+ if ( path_it != pathv.begin()
+ && ! ((path_it == (pathv.end()-1)) && (path_it->size_default() == 0)) ) // if this is the last path and it is a moveto-only, there is no mid marker there
+ {
Geom::Matrix tr;
if (marker->orient_auto) {
tr = sp_shape_marker_get_transform_at_start(path_it->front());
}
sp_shape_render_invoke_marker_rendering(marker, tr, style, ctx);
}
- }
-
- // MID position
- for (int i = 0; i < 3; i += 2) { // SP_MARKER_LOC and SP_MARKER_LOC_MID
- if ( shape->marker[i] && (path_it->size_default() > 1) ) {
+ // MID position
+ if (path_it->size_default() > 1) {
Geom::Path::const_iterator curve_it1 = path_it->begin(); // incoming curve
Geom::Path::const_iterator curve_it2 = ++(path_it->begin()); // outgoing curve
while (curve_it2 != path_it->end_default())
/* Put marker between curve_it1 and curve_it2.
* Loop to end_default (so including closing segment), because when a path is closed,
* there should be a midpoint marker between last segment and closing straight line segment */
-
- SPMarker* marker = SP_MARKER (shape->marker[i]);
-
Geom::Matrix tr;
if (marker->orient_auto) {
tr = sp_shape_marker_get_transform(*curve_it1, *curve_it2);
++curve_it2;
}
}
- }
-
- // END position
- for (int i = 0; i < 4; i += 3) { // SP_MARKER_LOC and SP_MARKER_LOC_END
- if ( shape->marker[i] ) {
- SPMarker* marker = SP_MARKER (shape->marker[i]);
-
- /* Get reference to last curve in the path.
- * For moveto-only path, this returns the "closing line segment". */
- unsigned int index = path_it->size_default();
- if (index > 0) {
- index--;
- }
- Geom::Curve const &lastcurve = (*path_it)[index];
-
+ // END position
+ if ( path_it != (pathv.end()-1) && !path_it->empty()) {
+ Geom::Curve const &lastcurve = path_it->back_default();
Geom::Matrix tr;
if (marker->orient_auto) {
tr = sp_shape_marker_get_transform_at_end(lastcurve);
} else {
tr = Geom::Rotate::from_degrees(marker->orient) * Geom::Translate(lastcurve.pointAt(1));
}
-
sp_shape_render_invoke_marker_rendering(marker, tr, style, ctx);
}
}
}
+ // END marker
+ for (int i = 0; i < 4; i += 3) { // SP_MARKER_LOC and SP_MARKER_LOC_END
+ if ( shape->marker[i] ) {
+ SPMarker* marker = SP_MARKER (shape->marker[i]);
+
+ /* Get reference to last curve in the path.
+ * For moveto-only path, this returns the "closing line segment". */
+ Geom::Path const &path_last = pathv.back();
+ unsigned int index = path_last.size_default();
+ if (index > 0) {
+ index--;
+ }
+ Geom::Curve const &lastcurve = path_last[index];
+
+ Geom::Matrix tr;
+ if (marker->orient_auto) {
+ tr = sp_shape_marker_get_transform_at_end(lastcurve);
+ } else {
+ tr = Geom::Rotate::from_degrees(marker->orient) * Geom::Translate(lastcurve.pointAt(1));
+ }
+
+ sp_shape_render_invoke_marker_rendering(marker, tr, style, ctx);
+ }
+ }
}
static void sp_group_render(SPItem *item, CairoRenderContext *ctx)
// Get the bounding box of the selection in document coordinates.
Geom::OptRect bbox =
- item->getBounds(sp_item_i2d_affine(item), SPItem::RENDERING_BBOX);
+ item->getBounds(item->i2d_affine(), SPItem::RENDERING_BBOX);
+
+ // no bbox, e.g. empty group
+ if (!bbox) {
+ return;
+ }
+
+ Geom::Rect docrect(Geom::Rect(Geom::Point(0, 0), SP_OBJECT(item)->document->getDimensions()));
+ Geom::Rect bboxrect(Geom::Rect(Geom::Point(bbox->min()[Geom::X], bbox->min()[Geom::Y]), Geom::Point(bbox->max()[Geom::X], bbox->max()[Geom::Y])));
- if (!bbox) // no bbox, e.g. empty group
+ Geom::OptRect _bbox = Geom::intersect(docrect, bboxrect);
+
+ // assign the object dimension clipped on the document, no need to draw on area not on canvas
+ bbox = _bbox;
+
+ // no bbox, e.g. empty group
+ if (!bbox) {
return;
+ }
// The width and height of the bitmap in pixels
unsigned width = (unsigned) floor ((bbox->max()[Geom::X] - bbox->min()[Geom::X]) * (res / PX_PER_IN));
(Geom::Matrix)(Geom::Translate (shift_x, shift_y));
// ctx matrix already includes item transformation. We must substract.
- Geom::Matrix t_item = sp_item_i2d_affine (item);
+ Geom::Matrix t_item = item->i2d_affine ();
Geom::Matrix t = t_on_document * t_item.inverse();
// Do the export
void
CairoRenderer::renderItem(CairoRenderContext *ctx, SPItem *item)
{
+ if ( _omitText && (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item)) ) {
+ // skip text if _omitText is true
+ return;
+ }
+
ctx->pushState();
setStateForItem(ctx, item);
bool
CairoRenderer::setupDocument(CairoRenderContext *ctx, SPDocument *doc, bool pageBoundingBox, SPItem *base)
{
+// PLEASE note when making changes to the boundingbox and transform calculation, corresponding changes should be made to PDFLaTeXRenderer::setupDocument !!!
+
g_assert( ctx != NULL );
- if (!base)
- base = SP_ITEM(sp_document_root(doc));
+ if (!base) {
+ base = SP_ITEM(doc->getRoot());
+ }
NRRect d;
if (pageBoundingBox) {
d.x0 = d.y0 = 0;
- d.x1 = ceil(sp_document_width(doc));
- d.y1 = ceil(sp_document_height(doc));
+ d.x1 = doc->getWidth();
+ d.y1 = doc->getHeight();
} else {
- sp_item_invoke_bbox(base, &d, sp_item_i2d_affine(base), TRUE, SPItem::RENDERING_BBOX);
+ base->invoke_bbox( &d, base->i2d_affine(), TRUE, SPItem::RENDERING_BBOX);
}
if (ctx->_vector_based_target) {
@@ -600,7 +648,7 @@ CairoRenderer::setupDocument(CairoRenderContext *ctx, SPDocument *doc, bool page
if (ret && !pageBoundingBox)
{
- double high = sp_document_height(doc);
+ double high = doc->getHeight();
if (ctx->_vector_based_target)
high *= PT_PER_PX;
TRACE(("BEGIN clip\n"));
SPObject *co = SP_OBJECT(cp);
- for (SPObject *child = sp_object_first_child(co) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
+ for ( SPObject *child = co->firstChild() ; child; child = child->getNext() ) {
if (SP_IS_ITEM(child)) {
SPItem *item = SP_ITEM(child);
TRACE(("BEGIN mask\n"));
SPObject *co = SP_OBJECT(mask);
- for (SPObject *child = sp_object_first_child(co) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
+ for ( SPObject *child = co->firstChild() ; child; child = child->getNext() ) {
if (SP_IS_ITEM(child)) {
SPItem *item = SP_ITEM(child);
renderItem(ctx, item);
@@ -781,4 +829,4 @@ calculatePreserveAspectRatio(unsigned int aspect_align, unsigned int aspect_clip
fill-column:99
End:
*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :