netsurf/framebuffer/fbtk/bitmap.c

137 lines
3.1 KiB
C

/*
* Copyright 2010 Vincent Sanders <vince@simtec.co.uk>
*
* Framebuffer windowing toolkit bitmaped image widget
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdlib.h>
#include <libnsfb.h>
#include <libnsfb_plot.h>
#include "desktop/browser.h"
#include "framebuffer/gui.h"
#include "framebuffer/fbtk.h"
#include "framebuffer/image_data.h"
#include "widget.h"
static int
fb_redraw_bitmap(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
nsfb_bbox_t bbox;
nsfb_bbox_t rect;
nsfb_t *nsfb;
nsfb = fbtk_get_nsfb(widget);
fbtk_get_bbox(widget, &bbox);
rect = bbox;
nsfb_claim(nsfb, &bbox);
/* clear background */
if ((widget->bg & 0xFF000000) != 0) {
/* transparent polygon filling isnt working so fake it */
nsfb_plot_rectangle_fill(nsfb, &bbox, widget->bg);
}
/* plot the image */
nsfb_plot_bitmap(nsfb,
&rect,
(nsfb_colour_t *)widget->u.bitmap.bitmap->pixdata,
widget->u.bitmap.bitmap->width,
widget->u.bitmap.bitmap->height,
widget->u.bitmap.bitmap->width,
!widget->u.bitmap.bitmap->opaque);
nsfb_update(nsfb, &bbox);
return 0;
}
/* exported function documented in fbtk.h */
void
fbtk_set_bitmap(fbtk_widget_t *widget, struct fbtk_bitmap *image)
{
if ((widget == NULL) || (widget->type != FB_WIDGET_TYPE_BITMAP))
return;
widget->u.bitmap.bitmap = image;
fbtk_request_redraw(widget);
}
/* exported function documented in fbtk.h */
fbtk_widget_t *
fbtk_create_bitmap(fbtk_widget_t *parent,
int x,
int y,
int width,
int height,
colour c,
struct fbtk_bitmap *image)
{
fbtk_widget_t *neww;
neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_BITMAP, x, y, width, height);
neww->bg = c;
neww->mapped = true;
neww->u.bitmap.bitmap = image;
fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_bitmap, NULL);
return neww;
}
/* exported function documented in fbtk.h */
fbtk_widget_t *
fbtk_create_button(fbtk_widget_t *parent,
int x,
int y,
int width,
int height,
colour c,
struct fbtk_bitmap *image,
fbtk_callback click,
void *pw)
{
fbtk_widget_t *neww;
neww = fbtk_widget_new(parent, FB_WIDGET_TYPE_BITMAP, x, y, width, height);
neww->bg = c;
neww->mapped = true;
neww->u.bitmap.bitmap = image;
fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_bitmap, NULL);
fbtk_set_handler(neww, FBTK_CBT_CLICK, click, pw);
fbtk_set_handler(neww, FBTK_CBT_POINTERENTER, fbtk_set_ptr, &hand_image);
return neww;
}
/*
* Local Variables:
* c-basic-offset:8
* End:
*/