From 811106028fd050cdee11fbc8732ba39f2de5e12a Mon Sep 17 00:00:00 2001
From: Phil Mellor <phil@monkeyson.info>
Date: Wed, 11 Sep 2002 14:24:02 +0000
Subject: [project @ 2002-09-11 14:24:02 by monkeyson] RISC OS Wimp GUI.

svn path=/import/netsurf/; revision=33
---
 riscos/font.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 82 insertions(+), 4 deletions(-)

(limited to 'riscos/font.c')

diff --git a/riscos/font.c b/riscos/font.c
index a12ff2241..05faf50cf 100644
--- a/riscos/font.c
+++ b/riscos/font.c
@@ -1,31 +1,56 @@
 /**
- * $Id: font.c,v 1.1 2002/07/27 21:10:45 bursa Exp $
+ * $Id: font.c,v 1.2 2002/09/11 14:24:02 monkeyson Exp $
  */
 
 #include <stdio.h>
 #include "netsurf/render/css.h"
 #include "netsurf/render/font.h"
 #include "netsurf/render/utils.h"
+#include "netsurf/desktop/gui.h"
 #include "oslib/font.h"
 
 /**
  * functions
  */
 
-extern font_f font;
+/** it is rather inefficient calling this all the time **/
+font_f riscos_font_css_to_handle(struct css_style* style)
+{
+	int width = 12 * 16;
+	int height = 12 * 16;
+	char font_name[255];
+
+	if (style->font_size.size == CSS_FONT_SIZE_LENGTH)
+		width = height = style->font_size.value.length.value * 16;
+
+	strcpy(font_name, "Homerton.");
+	if (style->font_weight == CSS_FONT_WEIGHT_BOLD)
+		strcat(font_name, "Bold");
+	else 
+		strcat(font_name, "Medium");
+
+	if (style->font_style == CSS_FONT_STYLE_ITALIC || style->font_style == CSS_FONT_STYLE_OBLIQUE)
+		strcat(font_name, ".Oblique");
+
+	return font_find_font(font_name, width, height, 0, 0, 0, 0);
+}
 
 unsigned long font_width(struct css_style * style, const char * text, unsigned int length)
 {
 	font_scan_block block;
 	os_error * error;
+	font_f font;
 
-	if (length == 0) return 0;
+	if (length == 0)
+		return 0;
 
 	block.space.x = block.space.y = 0;
 	block.letter.x = block.letter.y = 0;
 	block.split_char = -1;
 
-	error = xfont_scan_string(font, text,
+	font = riscos_font_css_to_handle(style);
+
+	error = xfont_scan_string(font, (char*) text,
 			font_GIVEN_BLOCK | font_GIVEN_LENGTH | font_GIVEN_FONT | font_KERN | font_RETURN_BBOX,
 			0x7fffffff, 0x7fffffff,
 			&block,
@@ -35,6 +60,59 @@ unsigned long font_width(struct css_style * style, const char * text, unsigned i
 		fprintf(stderr, "%s\n", error->errmess);
 		die("font_scan_string failed");
 	}
+
+//	fprintf(stderr, "Stated length %d, strlen %d\n", (int)length, strlen(text));
+
+	if (length < 0x7fffffff)
+	{
+		if (text[length - 1] == ' ')
+//		{
+			block.bbox.x1 += 4*800;
+/*			int minx,miny,maxx,maxy;
+			char space = ' ';
+//			fprintf(stderr, "Space at the end!\n");
+			error = xfont_char_bbox(font, space, 0, &minx, &miny, &maxx, &maxy);
+			if (error != 0) {
+				fprintf(stderr, "%s\n", error->errmess);
+				die("font_char_bbox failed");
+			}
+			block.bbox.x1 += maxx;
+		}
+//		else
+//			fprintf(stderr, "No space\n");*/
+	}
+
+	font_lose_font(font);
+
 	return block.bbox.x1 / 800;
 }
 
+void font_position_in_string(const char* text, struct css_style* style, int length, int x, int* char_offset, int* pixel_offset)
+{
+  font_f font;
+  font_scan_block block;
+  char* split_point;
+  int x_out, y_out, length_out;
+
+  block.space.x = block.space.y = 0;
+  block.letter.x = block.letter.y = 0;
+  block.split_char = -1;
+
+  font = riscos_font_css_to_handle(style);
+  
+  xfont_scan_string(font, (char*) text,
+    font_GIVEN_BLOCK | font_GIVEN_LENGTH | 
+    font_GIVEN_FONT | font_KERN | font_RETURN_CARET_POS, 
+    ro_x_units(x) * 400,
+    0x7fffffff,
+    &block, 0, length,
+    &split_point, &x_out, &y_out, &length_out);
+
+  font_lose_font(font);
+
+  *char_offset = (int)(split_point - text);
+  *pixel_offset = browser_x_units(x_out / 400);
+
+  return;
+}
+
-- 
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