mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-24 13:06:49 +03:00
112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/*
|
|
* 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 "netsurf/content/content.h"
|
|
#include "netsurf/riscos/draw.h"
|
|
#include "netsurf/utils/utils.h"
|
|
#include "netsurf/utils/log.h"
|
|
#include "oslib/drawfile.h"
|
|
|
|
void draw_create(struct content *c)
|
|
{
|
|
c->data.draw.data = xcalloc(0, 1);
|
|
c->data.draw.length = 0;
|
|
}
|
|
|
|
|
|
void draw_process_data(struct content *c, char *data, unsigned long size)
|
|
{
|
|
c->data.draw.data = xrealloc(c->data.draw.data, c->data.draw.length + size);
|
|
memcpy(c->data.draw.data + c->data.draw.length, data, size);
|
|
c->data.draw.length += size;
|
|
c->size += size;
|
|
}
|
|
|
|
|
|
int draw_convert(struct content *c, unsigned int width, unsigned int height)
|
|
{
|
|
os_error *error;
|
|
os_trfm *matrix = xcalloc(1, sizeof(os_trfm));
|
|
os_box *bbox = xcalloc(1, sizeof(os_box));
|
|
|
|
/* Full size image (1:1) */
|
|
matrix->entries[0][0] = 1 << 16;
|
|
matrix->entries[0][1] = 0;
|
|
matrix->entries[1][0] = 0;
|
|
matrix->entries[1][1] = 1 << 16;
|
|
matrix->entries[2][0] = 0;
|
|
matrix->entries[2][1] = 0;
|
|
|
|
/* BBox contents in Draw units (256*OS unit) */
|
|
error = xdrawfile_bbox(0, (drawfile_diagram*)(c->data.draw.data),
|
|
c->data.draw.length, matrix, bbox);
|
|
|
|
if (error) {
|
|
LOG(("error: %s", error->errmess));
|
|
xfree(matrix);
|
|
xfree(bbox);
|
|
return 1;
|
|
}
|
|
|
|
/* c->width & c->height stored as (OS units/2)
|
|
=> divide by 512 to convert from draw units */
|
|
c->width = ((bbox->x1 - bbox->x0) / 512);
|
|
c->height = ((bbox->y1 - bbox->y0) / 512);
|
|
c->title = xcalloc(100, 1);
|
|
sprintf(c->title, "Draw image (%lux%lu, %lu bytes)", c->width,
|
|
c->height, c->data.draw.length);
|
|
c->status = CONTENT_STATUS_DONE;
|
|
xfree(matrix);
|
|
xfree(bbox);
|
|
return 0;
|
|
}
|
|
|
|
|
|
void draw_revive(struct content *c, unsigned int width, unsigned int height)
|
|
{
|
|
}
|
|
|
|
|
|
void draw_reformat(struct content *c, unsigned int width, unsigned int height)
|
|
{
|
|
}
|
|
|
|
|
|
void draw_destroy(struct content *c)
|
|
{
|
|
xfree(c->data.draw.data);
|
|
xfree(c->title);
|
|
}
|
|
|
|
|
|
void draw_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)
|
|
{
|
|
os_error *error;
|
|
unsigned int size;
|
|
os_box bbox;
|
|
os_trfm *matrix = xcalloc(1, sizeof(os_trfm));
|
|
|
|
/* Scaled image. Transform units (65536*OS units) */
|
|
matrix->entries[0][0] = ((width*65536) / (c->width*2));
|
|
matrix->entries[0][1] = 0;
|
|
matrix->entries[1][0] = 0;
|
|
matrix->entries[1][1] = ((height*65536) / (c->height*2));
|
|
/* Draw units. (x,y) = bottom left */
|
|
matrix->entries[2][0] = x * 256;
|
|
matrix->entries[2][1] = (y-height) * 256;
|
|
|
|
xdrawfile_render(0, (drawfile_diagram*)(c->data.draw.data),
|
|
c->data.draw.length, matrix, 0, 0);
|
|
|
|
xfree(matrix);
|
|
}
|