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/**
* $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
*/
/** 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;
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);
error = xfont_scan_string(font, (char*) text,
font_GIVEN_BLOCK | font_GIVEN_LENGTH | font_GIVEN_FONT | font_KERN | font_RETURN_BBOX,
0x7fffffff, 0x7fffffff,
&block,
0, length,
0, 0, 0, 0);
if (error != 0) {
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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