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add control of fbtk text widget padding

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svn path=/trunk/netsurf/; revision=12116
This commit is contained in:
Vincent Sanders 2011-03-21 07:51:37 +00:00
parent 7ec2cc7f8e
commit 06764ea9f0
3 changed files with 23 additions and 10 deletions
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8
framebuffer/fbtk.h
View File

@ -19,12 +19,20 @@
#ifndef NETSURF_FB_FBTK_H
#define NETSURF_FB_FBTK_H
#ifdef FBTK_LOGGING
#define FBTK_LOG(x) LOG(x)
#else
#define FBTK_LOG(x)
#endif
#define FB_SCROLL_COLOUR 0xFFAAAAAA
#define FB_FRAME_COLOUR 0xFFDDDDDD
#define FB_COLOUR_BLACK 0xFF000000
#define FB_COLOUR_WHITE 0xFFFFFFFF
#define FBTK_WIDGET_PADDING 30 /* percentage of widget size used for padding */
#define FBTK_DPI 90 /* screen DPI */
typedef struct fbtk_widget_s fbtk_widget_t;
/* Widget Callback handling */

4
framebuffer/fbtk/fbtk.c
View File

@ -43,6 +43,8 @@
#include "widget.h"
#ifdef FBTK_LOGGING
/* tree dump debug, also example of depth first tree walk */
static void
dump_tk_tree(fbtk_widget_t *widget)
@ -73,6 +75,8 @@ dump_tk_tree(fbtk_widget_t *widget)
}
}
#endif
/* exported function documented in fbtk.h */
void
fbtk_request_redraw(fbtk_widget_t *widget)

21
framebuffer/fbtk/text.c
View File

@ -37,7 +37,7 @@
#include "widget.h"
#define TEXT_WIDGET_BORDER 3 /**< The pixel border round a text widget. */
//#define TEXT_WIDGET_BORDER 3 /**< The pixel border round a text widget. */
/* Lighten a colour by taking seven eights of each channel's intensity
* and adding a full eighth
@ -48,7 +48,7 @@
((((7 * (c1 & 0xff)) >> 3) + 32) << 0))
/* Convert pixels to points, assuming a DPI of 90 */
#define px_to_pt(x) (((x) * 72) / 90)
#define px_to_pt(x) (((x) * 72) / FBTK_DPI)
/** Text redraw callback.
*
@ -66,9 +66,9 @@ fb_redraw_text(fbtk_widget_t *widget, fbtk_callback_info *cbi )
fbtk_widget_t *root;
plot_font_style_t font_style;
int fh;
int border;
int padding;
border = (widget->height * 10) / 90;
padding = (widget->height * FBTK_WIDGET_PADDING) / 200;
root = fbtk_get_root_widget(widget);
@ -84,15 +84,16 @@ fb_redraw_text(fbtk_widget_t *widget, fbtk_callback_info *cbi )
nsfb_plot_rectangle_fill(root->u.root.fb, &bbox, widget->bg);
}
/* widget can have a single pixel outline border */
if (widget->u.text.outline) {
rect.x1--;
rect.y1--;
nsfb_plot_rectangle(root->u.root.fb, &rect, 1, 0x00000000, false, false);
border++;
padding++;
}
if (widget->u.text.text != NULL) {
fh = widget->height - border - border;
fh = widget->height - padding - padding;
font_style.family = PLOT_FONT_FAMILY_SANS_SERIF;
font_style.size = px_to_pt(fh) * FONT_SIZE_SCALE;
font_style.weight = 400;
@ -100,16 +101,16 @@ fb_redraw_text(fbtk_widget_t *widget, fbtk_callback_info *cbi )
font_style.background = widget->bg;
font_style.foreground = widget->fg;
LOG(("plotting %p at %d,%d %d,%d w/h %d,%d font h %d border %d",
FBTK_LOG(("plotting %p at %d,%d %d,%d w/h %d,%d font h %d padding %d",
widget, bbox.x0, bbox.y0, bbox.x1, bbox.y1,
widget->width, widget->height, fh, border));
widget->width, widget->height, fh, padding));
/* Call the fb text plotting, baseline is 3/4 down the
* font, somewhere along the way the co-ordinate
* system for the baseline is to the "higher value
* pixel co-ordinate" due to this the + 1 is neccessary.
*/
plot.text(bbox.x0 + border,
bbox.y0 + (((fh * 3) + 3)/4) + border + 1,
plot.text(bbox.x0 + padding,
bbox.y0 + (((fh * 3) + 3)/4) + padding + 1,
widget->u.text.text,
strlen(widget->u.text.text),
&font_style);