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