netsurf/riscos/sprite.c

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/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk>
*/
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include "oslib/colourtrans.h"
#include "oslib/osspriteop.h"
#include "netsurf/utils/config.h"
#include "netsurf/content/content.h"
#include "netsurf/riscos/sprite.h"
#include "netsurf/utils/log.h"
#include "netsurf/utils/messages.h"
#include "netsurf/utils/utils.h"
#ifdef WITH_SPRITE
void sprite_create(struct content *c, const char *params[])
{
c->data.sprite.data = xcalloc(4, 1);
c->data.sprite.length = 4;
}
void sprite_process_data(struct content *c, char *data, unsigned long size)
{
c->data.sprite.data = xrealloc(c->data.sprite.data, c->data.sprite.length + size);
memcpy((char*)(c->data.sprite.data) + c->data.sprite.length, data, size);
c->data.sprite.length += size;
c->size += size;
}
int sprite_convert(struct content *c, unsigned int width, unsigned int height)
{
os_error *error;
int w, h;
osspriteop_area *area = (osspriteop_area*)c->data.sprite.data;
/* fill in the size (first word) of the area */
area->size = c->data.sprite.length;
error = xosspriteop_read_sprite_info(osspriteop_PTR,
area,
(osspriteop_id)((char*)(c->data.sprite.data) + area->first),
&w, &h, NULL, NULL);
if (error) {
LOG(("error: %s", error->errmess));
return 1;
}
c->width = w;
c->height = h;
c->title = xcalloc(100, 1);
sprintf(c->title, messages_get("SpriteTitle"), c->width,
c->height, c->data.sprite.length);
c->status = CONTENT_STATUS_DONE;
return 0;
}
void sprite_revive(struct content *c, unsigned int width, unsigned int height)
{
}
void sprite_reformat(struct content *c, unsigned int width, unsigned int height)
{
}
void sprite_destroy(struct content *c)
{
xfree(c->data.sprite.data);
xfree(c->title);
}
void sprite_redraw(struct content *c, long x, long y,
unsigned long width, unsigned long height,
long clip_x0, long clip_y0, long clip_x1, long clip_y1,
float scale)
{
unsigned int size;
osspriteop_area *area = (osspriteop_area*)c->data.sprite.data;
osspriteop_trans_tab *table;
os_factors factors;
xcolourtrans_generate_table_for_sprite(
area,
(osspriteop_id)((char*)(c->data.sprite.data) +
area->first),
colourtrans_CURRENT_MODE, colourtrans_CURRENT_PALETTE,
0, colourtrans_GIVEN_SPRITE, 0, 0, &size);
table = xcalloc(size, 1);
xcolourtrans_generate_table_for_sprite(
area,
(osspriteop_id)((char*)(c->data.sprite.data) +
area->first),
colourtrans_CURRENT_MODE, colourtrans_CURRENT_PALETTE,
table, colourtrans_GIVEN_SPRITE, 0, 0, 0);
factors.xmul = width;
factors.ymul = height;
factors.xdiv = c->width * 2;
factors.ydiv = c->height * 2;
xosspriteop_put_sprite_scaled(osspriteop_PTR,
area,
(osspriteop_id)((char*)(c->data.sprite.data) +
area->first),
x, (int)(y - height),
osspriteop_USE_MASK | osspriteop_USE_PALETTE, &factors, table);
xfree(table);
}
#endif