120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
/*
|
|
* Copyright 2008 François Revol <mmu_man@users.sourceforge.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/>.
|
|
*/
|
|
|
|
#define __STDBOOL_H__ 1
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
extern "C" {
|
|
#include "utils/log.h"
|
|
}
|
|
#include "beos/beos_throbber.h"
|
|
#include "beos/beos_bitmap.h"
|
|
#include "beos/beos_fetch_rsrc.h"
|
|
|
|
#include <File.h>
|
|
#include <Resources.h>
|
|
#include <TranslationUtils.h>
|
|
|
|
struct nsbeos_throbber *nsbeos_throbber = NULL;
|
|
|
|
/**
|
|
* Creates the throbber using a PNG for each frame. The number of frames must
|
|
* be at least two. The first frame is the inactive frame, others are the
|
|
* active frames.
|
|
*
|
|
* \param frames The number of frames. Must be at least two.
|
|
* \param ... Filenames of PNGs containing frames.
|
|
* \return true on success.
|
|
*/
|
|
bool nsbeos_throbber_initialise_from_png(const int frames, ...)
|
|
{
|
|
va_list filenames;
|
|
struct nsbeos_throbber *throb; /**< structure we generate */
|
|
bool errors_when_loading = false; /**< true if a frame failed */
|
|
|
|
if (frames < 2) {
|
|
/* we need at least two frames - one for idle, one for active */
|
|
LOG(("Insufficent number of frames in throbber animation!"));
|
|
LOG(("(called with %d frames, where 2 is a minimum.)",
|
|
frames));
|
|
return false;
|
|
}
|
|
|
|
BResources *res = get_app_resources();
|
|
if (res == NULL) {
|
|
LOG(("Can't find resources for throbber!"));
|
|
return false;
|
|
}
|
|
|
|
throb = (struct nsbeos_throbber *)malloc(sizeof(throb));
|
|
throb->nframes = frames;
|
|
throb->framedata = (BBitmap **)malloc(sizeof(BBitmap *) * throb->nframes);
|
|
|
|
va_start(filenames, frames);
|
|
|
|
for (int i = 0; i < frames; i++) {
|
|
const char *fn = va_arg(filenames, const char *);
|
|
const void *data;
|
|
size_t size;
|
|
data = res->LoadResource('data', fn, &size);
|
|
throb->framedata[i] = NULL;
|
|
if (!data) {
|
|
LOG(("Error when loading resource %s", fn));
|
|
errors_when_loading = true;
|
|
continue;
|
|
}
|
|
BMemoryIO mem(data, size);
|
|
throb->framedata[i] = BTranslationUtils::GetBitmap(&mem);
|
|
if (throb->framedata[i] == NULL) {
|
|
LOG(("Error when loading %s: GetBitmap() returned NULL", fn));
|
|
errors_when_loading = true;
|
|
}
|
|
}
|
|
|
|
va_end(filenames);
|
|
|
|
if (errors_when_loading == true) {
|
|
for (int i = 0; i < frames; i++) {
|
|
delete throb->framedata[i];
|
|
}
|
|
|
|
free(throb->framedata);
|
|
free(throb);
|
|
|
|
return false;
|
|
}
|
|
|
|
nsbeos_throbber = throb;
|
|
|
|
return true;
|
|
}
|
|
|
|
void nsbeos_throbber_finalise(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < nsbeos_throbber->nframes; i++)
|
|
delete nsbeos_throbber->framedata[i];
|
|
|
|
free(nsbeos_throbber->framedata);
|
|
free(nsbeos_throbber);
|
|
|
|
nsbeos_throbber = NULL;
|
|
}
|