Second merge of Adam Blokus' GSoC work from his branch 'branches/adamblokus/netsurf'.

Merged revisions 4195-4211,4216,4219-4220,4222-4234,4236-4250,4252-4262,4264-4266,4268-4326,4329-4335,4338-4342,4344-4411,4413-4420,4422-4436,4438-4491,4494-4506,4508-4514,4516,4518-4552,4554,4556-4564,4567-4568,4570-4574,4576-4686,4689-4692,4694,4698-4709,4715-4723,4725-4755,4757-4769,4771-4919,4921-4996,4998-5110,5112-5117 via svnmerge from 
svn://svn.netsurf-browser.org/branches/adamblokus/netsurf

........
  r4736 | adamblokus | 2008-07-26 13:46:54 +0200 (Sat, 26 Jul 2008) | 2 lines
  
  Sorting out some problems with svn.
........
  r4737 | adamblokus | 2008-07-26 13:54:36 +0200 (Sat, 26 Jul 2008) | 4 lines
  
  Added export tab to the options dialog.
  Added the possibility of changing some print options.
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  r4897 | adamblokus | 2008-08-04 17:59:05 +0200 (Mon, 04 Aug 2008) | 5 lines
  
  Added checking of horizontal clipping.
  Added better table loosening.
  Changed some minor bugs.
  Applied changes in the Export options tab according to the review from tlsa.
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  r4905 | adamblokus | 2008-08-05 01:53:34 +0200 (Tue, 05 Aug 2008) | 2 lines
  
  Fixed bug which made it impossible to export pdf's.
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  r4919 | adamblokus | 2008-08-05 16:39:33 +0200 (Tue, 05 Aug 2008) | 2 lines
  
  Fixed some memory leaks which caused Netsurf to break.
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  r4927 | adamblokus | 2008-08-06 02:26:30 +0200 (Wed, 06 Aug 2008) | 4 lines
  
  Fixed bug with filenames which crashed Netsurf.
  Turned anti aliasing off for printing.
  Fixed some scaling issues.
........
  r4928 | adamblokus | 2008-08-06 17:52:44 +0200 (Wed, 06 Aug 2008) | 5 lines
  
  Added new export/print options:
  - suppressing images
  - turning off backgrounds
  - toggled loosening
........
  r4950 | adamblokus | 2008-08-07 21:15:21 +0200 (Thu, 07 Aug 2008) | 5 lines
  
  Added new options to PDF export:
  - document compression
  - document encryption
  Added PDF password dialog
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  r4954 | adamblokus | 2008-08-07 22:11:31 +0200 (Thu, 07 Aug 2008) | 2 lines
  
  Added saving print settings.
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  r4956 | adamblokus | 2008-08-07 22:44:48 +0200 (Thu, 07 Aug 2008) | 2 lines
  
  Fixes to PDF encryption
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  r4970 | adamblokus | 2008-08-09 15:26:24 +0200 (Sat, 09 Aug 2008) | 3 lines
  
  Fixed bug in plotting tiled bitmaps.
  Fixed bug with too long text decorations.
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  r4977 | adamblokus | 2008-08-09 19:18:56 +0200 (Sat, 09 Aug 2008) | 2 lines
  
  Fixed JPG embedding bug.
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  r4988 | adamblokus | 2008-08-10 16:59:51 +0200 (Sun, 10 Aug 2008) | 3 lines
  
  Added clip checking to pdf plotters. No more "blank" clips.
  Made PDF compression a default setting.
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  r4995 | adamblokus | 2008-08-10 20:03:00 +0200 (Sun, 10 Aug 2008) | 2 lines
  
  Fixed Haru crash on font-size==0.
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  r4996 | adamblokus | 2008-08-10 21:04:43 +0200 (Sun, 10 Aug 2008) | 2 lines
  
  Added changing text mode only if necessary.
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  r5045 | adamblokus | 2008-08-11 21:26:26 +0200 (Mon, 11 Aug 2008) | 3 lines
  
  Removing gtk stuff from core code.
  Little fix in options. 
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  r5048 | adamblokus | 2008-08-11 21:57:45 +0200 (Mon, 11 Aug 2008) | 2 lines
  
  Better font size checking in PDF export.
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  r5050 | adamblokus | 2008-08-11 22:19:56 +0200 (Mon, 11 Aug 2008) | 2 lines
  
  Fixed riscos text scale bug.
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  r5073 | adamblokus | 2008-08-12 17:40:57 +0200 (Tue, 12 Aug 2008) | 2 lines
  
  Added missing tooltips
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  r5092 | adamblokus | 2008-08-13 17:09:25 +0200 (Wed, 13 Aug 2008) | 2 lines
  
  Moved /pdf folder to desktop/save_pdf
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  r5110 | adamblokus | 2008-08-13 22:44:50 +0200 (Wed, 13 Aug 2008) | 2 lines
  
  Added comments.
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  r5113 | adamblokus | 2008-08-13 23:07:35 +0200 (Wed, 13 Aug 2008) | 2 lines
  
  Cosmetic changes
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  r5116 | adamblokus | 2008-08-14 16:10:18 +0200 (Thu, 14 Aug 2008) | 2 lines
  
  Fixed bug with BOX_INLINE_END in tree duplication.
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  r5117 | joty | 2008-08-14 21:47:46 +0200 (Thu, 14 Aug 2008) | 1 line
  
  Improvement for r5116: use local vars when possible; rename global last to box_duplicate_last; check on box_duplicate_main_tree failure.
........

svn path=/trunk/netsurf/; revision=5118

1 files changed, 94 insertions, 66 deletions

diff --git a/render/html_redraw.c b/render/html_redraw.c
index 51bcceb8f..d76f0d9bd 100644
--- a/render/html_redraw.c
+++ b/render/html_redraw.c
@@ -38,6 +38,7 @@
 #include "desktop/selection.h"
 #include "desktop/textinput.h"
 #include "desktop/options.h"
+#include "desktop/print.h"
 #include "render/box.h"
 #include "render/font.h"
 #include "render/form.h"
@@ -173,6 +174,9 @@ bool html_redraw_box(struct box *box,
 	int x0, y0, x1, y1;
 	int x_scrolled, y_scrolled;
 	struct box *bg_box = NULL;
+	
+	if (html_redraw_printing && box->printed)
+		return true;
 
 	/* avoid trivial FP maths */
 	if (scale == 1.0) {
@@ -227,6 +231,23 @@ bool html_redraw_box(struct box *box,
 	if (clip_y1 < y0 || y1 < clip_y0 || clip_x1 < x0 || x1 < clip_x0)
 		return true;
 
+	/*if the rectangle is under the page bottom but it can fit in a page,
+	don't print it now*/
+	if (html_redraw_printing)
+		if (y1 > html_redraw_printing_border) {
+			if (y1 - y0 <= html_redraw_printing_border &&
+					(box->type == BOX_TEXT ||
+					box->type == BOX_TABLE_CELL
+					|| box->object || box->gadget)) {
+				/*remember the highest of all points from the
+				not printed elements*/
+				if (y0 < html_redraw_printing_top_cropped)
+					html_redraw_printing_top_cropped = y0;
+				return true;
+			}
+		}
+		else box->printed = true;/*it won't be printed anymore*/
+	
 	/* if visibility is hidden render children only */
 	if (box->style && box->style->visibility == CSS_VISIBILITY_HIDDEN) {
 	  	if ((plot.group_start) && (!plot.group_start("hidden box")))
@@ -296,74 +317,78 @@ bool html_redraw_box(struct box *box,
 	 *   element is processed, ignore the background.
 	 * + For any other box, just use its own styling.
 	 */
-	if (!box->parent) {
-		/* Root box */
-		if (box->style &&
-				(box->style->background_color != TRANSPARENT ||
-				box->background)) {
-			/* With its own background */
-			bg_box = box;
-		} else if (!box->style ||
-				(box->style->background_color == TRANSPARENT &&
-				!box->background)) {
-			/* Without its own background */
-			if (box->children && box->children->style &&
-				(box->children->style->background_color !=
-					TRANSPARENT ||
-					box->children->background)) {
-				/* But body has one, so use that */
-				bg_box = box->children;
-			}
-		}
-	} else if (box->parent && !box->parent->parent) {
-		/* Body box */
-		if (box->style &&
-				(box->style->background_color != TRANSPARENT ||
-				box->background)) {
-			/* With a background */
-			if (box->parent->style &&
-				(box->parent->style->background_color !=
-					TRANSPARENT ||
-					box->parent->background)) {
-				/* Root has own background; process normally */
+	
+	if (!html_redraw_printing ||
+			(html_redraw_printing && !option_remove_backgrounds)) {
+		if (!box->parent) {
+			/* Root box */
+			if (box->style &&
+					(box->style->background_color != TRANSPARENT ||
+					box->background)) {
+				/* With its own background */
 				bg_box = box;
+			} else if (!box->style ||
+					(box->style->background_color == TRANSPARENT &&
+					!box->background)) {
+				/* Without its own background */
+				if (box->children && box->children->style &&
+					(box->children->style->background_color !=
+						TRANSPARENT ||
+						box->children->background)) {
+					/* But body has one, so use that */
+					bg_box = box->children;
+				}
+			}
+		} else if (box->parent && !box->parent->parent) {
+			/* Body box */
+			if (box->style &&
+					(box->style->background_color != TRANSPARENT ||
+					box->background)) {
+				/* With a background */
+				if (box->parent->style &&
+					(box->parent->style->background_color !=
+						TRANSPARENT ||
+						box->parent->background)) {
+					/* Root has own background; process normally */
+					bg_box = box;
+				}
 			}
+		} else {
+			/* Any other box */
+			bg_box = box;
 		}
-	} else {
-		/* Any other box */
-		bg_box = box;
-	}
-
-	/* bg_box == NULL implies that this box should not have
-	 * its background rendered. Otherwise filter out linebreaks,
-	 * optimize away non-differing inlines, only plot background
-	 * for BOX_TEXT it's in an inline and ensure the bg_box
-	 * has something worth rendering */
-	if (bg_box && (bg_box->style && bg_box->type != BOX_BR &&
-			(bg_box->type != BOX_INLINE ||
-			bg_box->style != bg_box->parent->parent->style)) &&
-			(bg_box->type != BOX_TEXT ||
-			(bg_box->type == BOX_TEXT && inline_depth > 0)) &&
-			((bg_box->style->background_color != TRANSPARENT) ||
-			(bg_box->background))) {
-		/* find intersection of clip box and border edge */
-		int px0 = x - border_left < x0 ? x0 : x - border_left;
-		int py0 = y - border_top < y0 ? y0 : y - border_top;
-		int px1 = x + padding_width + border_right < x1 ?
-				x + padding_width + border_right : x1;
-		int py1 = y + padding_height + border_bottom < y1 ?
-				y + padding_height + border_bottom : y1;
-
-		/* valid clipping rectangles only */
-		if ((px0 < px1) && (py0 < py1)) {
-			/* plot background */
-			if (!html_redraw_background(x, y, box, scale,
-					px0, py0, px1, py1,
-					&current_background_color, bg_box))
-				return false;
-			/* restore previous graphics window */
-			if (!plot.clip(x0, y0, x1, y1))
-				return false;
+	
+		/* bg_box == NULL implies that this box should not have
+		* its background rendered. Otherwise filter out linebreaks,
+		* optimize away non-differing inlines, only plot background
+		* for BOX_TEXT it's in an inline and ensure the bg_box
+		* has something worth rendering */
+		if (bg_box && (bg_box->style && bg_box->type != BOX_BR &&
+				(bg_box->type != BOX_INLINE ||
+				bg_box->style != bg_box->parent->parent->style)) &&
+				(bg_box->type != BOX_TEXT ||
+				(bg_box->type == BOX_TEXT && inline_depth > 0)) &&
+				((bg_box->style->background_color != TRANSPARENT) ||
+				(bg_box->background))) {
+			/* find intersection of clip box and border edge */
+			int px0 = x - border_left < x0 ? x0 : x - border_left;
+			int py0 = y - border_top < y0 ? y0 : y - border_top;
+			int px1 = x + padding_width + border_right < x1 ?
+					x + padding_width + border_right : x1;
+			int py1 = y + padding_height + border_bottom < y1 ?
+					y + padding_height + border_bottom : y1;
+	
+			/* valid clipping rectangles only */
+			if ((px0 < px1) && (py0 < py1)) {
+				/* plot background */
+				if (!html_redraw_background(x, y, box, scale,
+						px0, py0, px1, py1,
+						&current_background_color, bg_box))
+					return false;
+				/* restore previous graphics window */
+				if (!plot.clip(x0, y0, x1, y1))
+					return false;
+			}
 		}
 	}
 
@@ -1419,7 +1444,10 @@ bool html_redraw_text_decoration(struct box *box,
 	unsigned int i;
 
 	/* antialias colour for under/overline */
-	colour = html_redraw_aa(background_colour, box->style->color);
+	if (html_redraw_printing)
+		colour = box->style->color;
+	else
+		colour = html_redraw_aa(background_colour, box->style->color);
 
 	if (box->type == BOX_INLINE) {
 		if (!box->inline_end)