140 lines
3.7 KiB
C
140 lines
3.7 KiB
C
/*
|
|
* Copyright 2008 James Shaw <js102@zepler.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/x-riscos-sprite (librosprite implementation).
|
|
*
|
|
*/
|
|
|
|
#include "utils/config.h"
|
|
#ifdef WITH_NSSPRITE
|
|
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <librosprite.h>
|
|
#include "utils/config.h"
|
|
#include "desktop/plotters.h"
|
|
#include "content/content.h"
|
|
#include "utils/log.h"
|
|
#include "utils/messages.h"
|
|
#include "utils/utils.h"
|
|
|
|
#define ERRCHK(x) do { \
|
|
rosprite_error err = x; \
|
|
if (err == ROSPRITE_EOF) { \
|
|
LOG(("Got ROSPRITE_EOF when loading sprite file")); \
|
|
return false; \
|
|
} else if (err == ROSPRITE_BADMODE) { \
|
|
LOG(("Got ROSPRITE_BADMODE when loading sprite file")); \
|
|
return false; \
|
|
} else if (err == ROSPRITE_OK) { \
|
|
} else { \
|
|
return false; \
|
|
} \
|
|
} while(0)
|
|
|
|
/**
|
|
* Convert a CONTENT_SPRITE for display.
|
|
*
|
|
* No conversion is necessary. We merely read the sprite dimensions.
|
|
*/
|
|
|
|
bool nssprite_convert(struct content *c, int width, int height)
|
|
{
|
|
union content_msg_data msg_data;
|
|
|
|
struct rosprite_mem_context* ctx;
|
|
ERRCHK(rosprite_create_mem_context((uint8_t *) c->source_data,
|
|
c->source_size, &ctx));
|
|
|
|
struct rosprite_area* sprite_area;
|
|
ERRCHK(rosprite_load(rosprite_mem_reader, ctx, &sprite_area));
|
|
rosprite_destroy_mem_context(ctx);
|
|
c->data.nssprite.sprite_area = sprite_area;
|
|
|
|
assert(sprite_area->sprite_count > 0);
|
|
|
|
struct rosprite* sprite = sprite_area->sprites[0];
|
|
|
|
c->bitmap = bitmap_create(sprite->width, sprite->height, BITMAP_NEW);
|
|
if (!c->bitmap) {
|
|
msg_data.error = messages_get("NoMemory");
|
|
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
|
|
return false;
|
|
}
|
|
unsigned char* imagebuf = bitmap_get_buffer(c->bitmap);
|
|
if (!imagebuf) {
|
|
msg_data.error = messages_get("NoMemory");
|
|
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
|
|
return false;
|
|
}
|
|
unsigned int row_width = bitmap_get_rowstride(c->bitmap);
|
|
|
|
memcpy(imagebuf, sprite->image, row_width * sprite->height); // TODO: avoid copying entire image buffer
|
|
|
|
/* reverse byte order of each word */
|
|
for (uint32_t y = 0; y < sprite->height; y++) {
|
|
for (uint32_t x = 0; x < sprite->width; x++) {
|
|
int offset = 4 * (y * sprite->width + x);
|
|
uint32_t r = imagebuf[offset+3];
|
|
uint32_t g = imagebuf[offset+2];
|
|
uint32_t b = imagebuf[offset+1];
|
|
uint32_t a = imagebuf[offset];
|
|
imagebuf[offset] = r;
|
|
imagebuf[offset+1] = g;
|
|
imagebuf[offset+2] = b;
|
|
imagebuf[offset+3] = a;
|
|
}
|
|
}
|
|
|
|
c->width = sprite->width;
|
|
c->height = sprite->height;
|
|
bitmap_modified(c->bitmap);
|
|
c->status = CONTENT_STATUS_DONE;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Destroy a CONTENT_SPRITE and free all resources it owns.
|
|
*/
|
|
|
|
void nssprite_destroy(struct content *c)
|
|
{
|
|
if (c->data.nssprite.sprite_area != NULL)
|
|
rosprite_destroy_sprite_area(c->data.nssprite.sprite_area);
|
|
}
|
|
|
|
|
|
/**
|
|
* Redraw a CONTENT_SPRITE.
|
|
*/
|
|
|
|
bool nssprite_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);
|
|
}
|
|
|
|
#endif
|