netsurf/image/ico.c

151 lines
3.8 KiB
C

/*
* Copyright 2006 Richard Wilson <info@tinct.net>
*
* 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/>.
*/
/** \file
* Content for image/ico (implementation)
*/
#include "utils/config.h"
#ifdef WITH_BMP
#include <assert.h>
#include <string.h>
#include <stdbool.h>
#include <stdlib.h>
#include <libnsbmp.h>
#include "utils/config.h"
#include "content/content.h"
#include "desktop/plotters.h"
#include "image/bitmap.h"
#include "image/ico.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.h"
bool nsico_create(struct content *c, struct content *parent,
const char *params[])
{
union content_msg_data msg_data;
c->data.ico.ico = calloc(sizeof(ico_collection), 1);
if (!c->data.ico.ico) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
ico_collection_create(c->data.ico.ico, &bmp_bitmap_callbacks);
return true;
}
bool nsico_convert(struct content *c, int iwidth, int iheight)
{
struct bmp_image *bmp;
bmp_result res;
ico_collection *ico;
union content_msg_data msg_data;
/* set the ico data */
ico = c->data.ico.ico;
/* analyse the ico */
res = ico_analyse(ico, c->source_size, (unsigned char *)
c->source_data);
switch (res) {
case BMP_OK:
break;
case BMP_INSUFFICIENT_MEMORY:
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
case BMP_INSUFFICIENT_DATA:
case BMP_DATA_ERROR:
msg_data.error = messages_get("BadICO");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* Store our content width and description */
c->width = ico->width;
c->height = ico->height;
c->title = malloc(100);
if (c->title)
snprintf(c->title, 100, messages_get("ICOTitle"), c->width,
c->height, c->source_size);
c->size += (ico->width * ico->height * 4) + 16 + 44 + 100;
/* exit as a success */
bmp = ico_find(c->data.ico.ico, 255, 255);
assert(bmp);
c->bitmap = bmp->bitmap;
bitmap_modified(c->bitmap);
c->status = CONTENT_STATUS_DONE;
/* Done: update status bar */
content_set_status(c, "");
return true;
}
bool nsico_redraw(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, colour background_colour)
{
struct bmp_image *bmp = ico_find(c->data.ico.ico, width, height);
if (!bmp->decoded)
if (bmp_decode(bmp) != BMP_OK)
return false;
c->bitmap = bmp->bitmap;
return plot.bitmap(x, y, width, height, c->bitmap,
background_colour, BITMAPF_NONE);
}
bool nsico_redraw_tiled(struct content *c, int x, int y,
int width, int height,
int clip_x0, int clip_y0, int clip_x1, int clip_y1,
float scale, colour background_colour,
bool repeat_x, bool repeat_y)
{
struct bmp_image *bmp = ico_find(c->data.ico.ico, width, height);
bitmap_flags_t flags = BITMAPF_NONE;
if (!bmp->decoded)
if (bmp_decode(bmp) != BMP_OK)
return false;
c->bitmap = bmp->bitmap;
if (repeat_x)
flags |= BITMAPF_REPEAT_X;
if (repeat_y)
flags |= BITMAPF_REPEAT_Y;
return plot.bitmap(x, y, width, height, c->bitmap, background_colour, flags);
}
void nsico_destroy(struct content *c)
{
ico_finalise(c->data.ico.ico);
free(c->data.ico.ico);
free(c->title);
}
#endif