Merge and cleanup of GSoC C++-ification project.

[inkscape.git] / src / extension / internal / cairo-renderer.cpp

diff --git a/src/extension/internal/cairo-renderer.cpp b/src/extension/internal/cairo-renderer.cpp
index 8cc38613538c1371b212c423750722649c230340..67f9354d8cac97085e57fc87b6f18d90cbc29df8 100644 (file)
--- a/src/extension/internal/cairo-renderer.cpp
+++ b/src/extension/internal/cairo-renderer.cpp
@@ -1,11 +1,11 @@
-#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
  *
@@ -29,6 +29,7 @@
 #include <errno.h>
 
 #include "libnr/nr-rect.h"
+#include "libnrtype/Layout-TNG.h"
 #include <2geom/transforms.h>
 #include <2geom/pathvector.h>
 
@@ -102,6 +103,7 @@ namespace Extension {
 namespace Internal {
 
 CairoRenderer::CairoRenderer(void)
+  : _omitText(false)
 {}
 
 CairoRenderer::~CairoRenderer(void)
@@ -184,11 +186,12 @@ static void sp_shape_render (SPItem *item, CairoRenderContext *ctx)
 
     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);
 
@@ -447,7 +450,7 @@ static void sp_asbitmap_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);
 
     if (!bbox) // no bbox, e.g. empty group
         return;
@@ -478,7 +481,7 @@ static void sp_asbitmap_render(SPItem *item, CairoRenderContext *ctx)
                                  (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
@@ -567,6 +570,11 @@ CairoRenderer::setStateForItem(CairoRenderContext *ctx, SPItem const *item)
 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);
 
@@ -591,18 +599,21 @@ CairoRenderer::renderItem(CairoRenderContext *ctx, SPItem *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) {
@@ -622,7 +633,7 @@ 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;
 
@@ -662,7 +673,7 @@ CairoRenderer::applyClipPath(CairoRenderContext *ctx, SPClipPath const *cp)
 
     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);
 
@@ -720,7 +731,7 @@ CairoRenderer::applyMask(CairoRenderContext *ctx, SPMask const *mask)
 
     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);
@@ -803,4 +814,4 @@ 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 :