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/*
* Copyright 2010 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* 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/x-amiga-icon (icon.library implementation).
*
*/
#include "utils/config.h"
#ifdef WITH_AMIGA_ICON
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <proto/icon.h>
#include <workbench/icon.h>
#include "desktop/plotters.h"
#include "image/bitmap.h"
#include "content/content_protected.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.h"
#include "utils/url.h"
/**
* Convert a CONTENT_AMIGA_ICON for display.
*
* No conversion is necessary. We merely read the icon dimensions.
*/
bool amiga_icon_convert(struct content *c)
{
union content_msg_data msg_data;
struct DiskObject *dobj;
ULONG *imagebuf;
unsigned char *imagebufptr = NULL;
ULONG size;
int width = 0, height = 0;
long format = 0;
int err = 0;
uint8 r, g, b, a;
ULONG offset;
char *url;
char *filename;
char *p;
url = content__get_url(c);
filename = url_to_path(url);
/* This loader will only work on local files, so fail if not a local path */
if(filename == NULL)
{
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
p = strstr(filename, ".info");
*p = '\0';
dobj = GetIconTagList(filename, NULL);
if(dobj == NULL)
{
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
err = IconControl(dobj,
ICONCTRLA_GetImageDataFormat,&format,
ICONCTRLA_GetWidth,&width,
ICONCTRLA_GetHeight,&height,
TAG_DONE);
/* Check icon is direct mapped (truecolour).
We need additional code to handle ColourIcons and planar icons */
if(format != IDFMT_DIRECTMAPPED) return false;
c->bitmap = bitmap_create(width, height, BITMAP_NEW);
if (!c->bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
imagebuf = bitmap_get_buffer(c->bitmap);
if (!imagebuf) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
err = IconControl(dobj,
ICONCTRLA_GetImageData1, &imagebufptr,
TAG_DONE);
/* Decoded data is ARGB, so ensure correct byte order */
size = width * height * 4;
for (offset = 0; offset < size; offset += 4) {
b = imagebufptr[offset+3];
g = imagebufptr[offset+2];
r = imagebufptr[offset+1];
a = imagebufptr[offset];
*imagebuf = r << 24 | g << 16 | b << 8 | a;
imagebuf++;
}
c->width = width;
c->height = height;
bitmap_modified(c->bitmap);
c->status = CONTENT_STATUS_DONE;
content_set_status(c, "");
return true;
}
/**
* Destroy a CONTENT_AMIGA_ICON and free all resources it owns.
*/
void amiga_icon_destroy(struct content *c)
{
if (c->bitmap != NULL)
bitmap_destroy(c->bitmap);
}
/**
* Redraw a CONTENT_AMIGA_ICON.
*/
bool amiga_icon_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)
{
return plot.bitmap(x, y, width, height,
c->bitmap, background_colour, BITMAPF_NONE);
}
bool amiga_icon_clone(const struct content *old, struct content *new_content)
{
/* Simply replay convert */
if (old->status == CONTENT_STATUS_READY ||
old->status == CONTENT_STATUS_DONE) {
if (webp_convert(new_content) == false)
return false;
}
return true;
}
#endif
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