mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-24 15:29:45 +03:00
342 lines
9.0 KiB
C
342 lines
9.0 KiB
C
/*
|
|
* Copyright 2005 Adrian Lees <adrianl@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/>.
|
|
*/
|
|
|
|
/** \file
|
|
* Content for image/x-artworks (RISC OS implementation).
|
|
*
|
|
* Uses the ArtworksRenderer module
|
|
*/
|
|
|
|
#include "utils/config.h"
|
|
#ifdef WITH_ARTWORKS
|
|
|
|
#include <assert.h>
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
#include "swis.h"
|
|
#include "oslib/os.h"
|
|
#include "oslib/wimp.h"
|
|
#include "utils/config.h"
|
|
#include "desktop/plotters.h"
|
|
#include "content/content_protected.h"
|
|
#include "riscos/artworks.h"
|
|
#include "riscos/gui.h"
|
|
#include "riscos/wimputils.h"
|
|
#include "utils/utils.h"
|
|
#include "utils/messages.h"
|
|
#include "utils/log.h"
|
|
|
|
#define AWRender_FileInitAddress 0x46080
|
|
#define AWRender_RenderAddress 0x46081
|
|
#define AWRender_DocBounds 0x46082
|
|
#define AWRender_SendDefs 0x46083
|
|
#define AWRender_ClaimVectors 0x46084
|
|
#define AWRender_ReleaseVectors 0x46085
|
|
#define AWRender_FindFirstFont 0x46086
|
|
#define AWRender_FindNextFont 0x46087
|
|
|
|
|
|
#define INITIAL_BLOCK_SIZE 0x1000
|
|
|
|
|
|
struct awinfo_block {
|
|
int ditherx;
|
|
int dithery;
|
|
int clip_x0;
|
|
int clip_y0;
|
|
int clip_x1;
|
|
int clip_y1;
|
|
int print_lowx;
|
|
int print_lowy;
|
|
int print_handle;
|
|
int print_x1;
|
|
int print_y1;
|
|
int bgcolour;
|
|
};
|
|
|
|
|
|
/* Assembler routines for interfacing with the ArtworksRenderer module */
|
|
|
|
os_error *awrender_init(const char **doc,
|
|
unsigned long *doc_size,
|
|
void *routine,
|
|
void *workspace);
|
|
|
|
os_error *awrender_render(const char *doc,
|
|
const struct awinfo_block *info,
|
|
const os_trfm *trans,
|
|
const int *vdu_vars,
|
|
void **rsz_block,
|
|
size_t *rsz_size,
|
|
int wysiwyg_setting,
|
|
int output_dest,
|
|
size_t doc_size,
|
|
void *routine,
|
|
void *workspace);
|
|
|
|
|
|
|
|
/**
|
|
* Convert a CONTENT_ARTWORKS for display.
|
|
*
|
|
* No conversion is necessary. We merely read the ArtWorks
|
|
* bounding box bottom-left.
|
|
*/
|
|
|
|
bool artworks_convert(struct content *c)
|
|
{
|
|
union content_msg_data msg_data;
|
|
const char *source_data;
|
|
unsigned long source_size;
|
|
void *init_workspace;
|
|
void *init_routine;
|
|
os_error *error;
|
|
int used = -1; /* slightly better with older OSLib versions */
|
|
char title[100];
|
|
|
|
/* check whether AWViewer has been seen and we can therefore
|
|
locate the ArtWorks rendering modules */
|
|
xos_read_var_val_size("Alias$LoadArtWorksModules", 0, os_VARTYPE_STRING,
|
|
&used, NULL, NULL);
|
|
if (used >= 0) {
|
|
LOG(("Alias$LoadArtWorksModules not defined"));
|
|
msg_data.error = messages_get("AWNotSeen");
|
|
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
|
|
return false;
|
|
}
|
|
|
|
/* load the modules, or do nothing if they're already loaded */
|
|
error = xos_cli("LoadArtWorksModules");
|
|
if (error) {
|
|
LOG(("xos_cli: 0x%x: %s",
|
|
error->errnum, error->errmess));
|
|
msg_data.error = error->errmess;
|
|
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
|
|
return false;
|
|
}
|
|
|
|
/* lookup the addresses of the init and render routines */
|
|
error = (os_error*)_swix(AWRender_FileInitAddress, _OUT(0) | _OUT(1),
|
|
&init_routine, &init_workspace);
|
|
if (error) {
|
|
LOG(("AWRender_FileInitAddress: 0x%x: %s",
|
|
error->errnum, error->errmess));
|
|
msg_data.error = error->errmess;
|
|
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
|
|
return false;
|
|
}
|
|
|
|
error = (os_error*)_swix(AWRender_RenderAddress, _OUT(0) | _OUT(1),
|
|
&c->data.artworks.render_routine,
|
|
&c->data.artworks.render_workspace);
|
|
if (error) {
|
|
LOG(("AWRender_RenderAddress: 0x%x: %s",
|
|
error->errnum, error->errmess));
|
|
msg_data.error = error->errmess;
|
|
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
|
|
return false;
|
|
}
|
|
|
|
source_data = content__get_source_data(c, &source_size);
|
|
|
|
/* initialise (convert file to new format if required) */
|
|
error = awrender_init(&source_data, &source_size,
|
|
init_routine, init_workspace);
|
|
if (error) {
|
|
LOG(("awrender_init: 0x%x : %s",
|
|
error->errnum, error->errmess));
|
|
msg_data.error = error->errmess;
|
|
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
|
|
return false;
|
|
}
|
|
|
|
error = (os_error*)_swix(AWRender_DocBounds, _IN(0) | _OUT(2) | _OUT(3) | _OUT(4) | _OUT(5),
|
|
source_data,
|
|
&c->data.artworks.x0,
|
|
&c->data.artworks.y0,
|
|
&c->data.artworks.x1,
|
|
&c->data.artworks.y1);
|
|
|
|
if (error) {
|
|
LOG(("AWRender_DocBounds: 0x%x: %s",
|
|
error->errnum, error->errmess));
|
|
msg_data.error = error->errmess;
|
|
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
|
|
return false;
|
|
}
|
|
|
|
LOG(("bounding box: %d,%d,%d,%d",
|
|
c->data.artworks.x0, c->data.artworks.y0,
|
|
c->data.artworks.x1, c->data.artworks.y1));
|
|
|
|
/* create the resizable workspace required by the
|
|
ArtWorksRenderer rendering routine */
|
|
|
|
c->data.artworks.size = INITIAL_BLOCK_SIZE;
|
|
c->data.artworks.block = malloc(INITIAL_BLOCK_SIZE);
|
|
if (!c->data.artworks.block) {
|
|
LOG(("failed to create block for ArtworksRenderer"));
|
|
msg_data.error = messages_get("NoMemory");
|
|
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
|
|
return false;
|
|
}
|
|
|
|
c->width = (c->data.artworks.x1 - c->data.artworks.x0) / 512;
|
|
c->height = (c->data.artworks.y1 - c->data.artworks.y0) / 512;
|
|
|
|
snprintf(title, sizeof(title), messages_get("ArtWorksTitle"),
|
|
c->width, c->height, source_size);
|
|
content__set_title(c, title);
|
|
c->status = CONTENT_STATUS_DONE;
|
|
/* Done: update status bar */
|
|
content_set_status(c, "");
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Destroy a CONTENT_ARTWORKS and free all resources it owns.
|
|
*/
|
|
|
|
void artworks_destroy(struct content *c)
|
|
{
|
|
free(c->data.artworks.block);
|
|
}
|
|
|
|
|
|
/**
|
|
* Redraw a CONTENT_ARTWORKS.
|
|
*/
|
|
|
|
bool artworks_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)
|
|
{
|
|
static const ns_os_vdu_var_list vars = {
|
|
os_MODEVAR_XEIG_FACTOR,
|
|
{
|
|
os_MODEVAR_YEIG_FACTOR,
|
|
os_MODEVAR_LOG2_BPP,
|
|
os_VDUVAR_END_LIST
|
|
}
|
|
};
|
|
struct awinfo_block info;
|
|
const char *source_data;
|
|
unsigned long source_size;
|
|
os_error *error;
|
|
os_trfm matrix;
|
|
int vals[24];
|
|
|
|
if (plot.flush && !plot.flush())
|
|
return false;
|
|
|
|
/* pick up render addresses again in case they've changed
|
|
(eg. newer AWRender module loaded since we first loaded this file) */
|
|
(void)_swix(AWRender_RenderAddress, _OUT(0) | _OUT(1),
|
|
&c->data.artworks.render_routine,
|
|
&c->data.artworks.render_workspace);
|
|
|
|
/* Scaled image. Transform units (65536*OS units) */
|
|
matrix.entries[0][0] = width * 65536 / c->width;
|
|
matrix.entries[0][1] = 0;
|
|
matrix.entries[1][0] = 0;
|
|
matrix.entries[1][1] = height * 65536 / c->height;
|
|
/* Draw units. (x,y) = bottom left */
|
|
matrix.entries[2][0] = ro_plot_origin_x * 256 + x * 512 -
|
|
c->data.artworks.x0 * width / c->width;
|
|
matrix.entries[2][1] = ro_plot_origin_y * 256 - (y + height) * 512 -
|
|
c->data.artworks.y0 * height / c->height;
|
|
|
|
info.ditherx = ro_plot_origin_x;
|
|
info.dithery = ro_plot_origin_y;
|
|
|
|
clip_x0 -= x;
|
|
clip_y0 -= y;
|
|
clip_x1 -= x;
|
|
clip_y1 -= y;
|
|
|
|
if (scale == 1.0) {
|
|
info.clip_x0 = (clip_x0 * 512) + c->data.artworks.x0 - 511;
|
|
info.clip_y0 = ((c->height - clip_y1) * 512) + c->data.artworks.y0 - 511;
|
|
info.clip_x1 = (clip_x1 * 512) + c->data.artworks.x0 + 511;
|
|
info.clip_y1 = ((c->height - clip_y0) * 512) + c->data.artworks.y0 + 511;
|
|
}
|
|
else {
|
|
info.clip_x0 = (clip_x0 * 512 / scale) + c->data.artworks.x0 - 511;
|
|
info.clip_y0 = ((c->height - (clip_y1 / scale)) * 512) + c->data.artworks.y0 - 511;
|
|
info.clip_x1 = (clip_x1 * 512 / scale) + c->data.artworks.x0 + 511;
|
|
info.clip_y1 = ((c->height - (clip_y0 / scale)) * 512) + c->data.artworks.y0 + 511;
|
|
}
|
|
|
|
info.print_lowx = 0;
|
|
info.print_lowy = 0;
|
|
info.print_handle = 0;
|
|
info.bgcolour = 0x20000000 | background_colour;
|
|
|
|
error = xos_read_vdu_variables(PTR_OS_VDU_VAR_LIST(&vars), vals);
|
|
if (error) {
|
|
LOG(("xos_read_vdu_variables: 0x%x: %s",
|
|
error->errnum, error->errmess));
|
|
return false;
|
|
}
|
|
|
|
error = xwimp_read_palette((os_palette*)&vals[3]);
|
|
if (error) {
|
|
LOG(("xwimp_read_palette: 0x%x: %s",
|
|
error->errnum, error->errmess));
|
|
return false;
|
|
}
|
|
|
|
source_data = content__get_source_data(c, &source_size);
|
|
|
|
error = awrender_render(source_data,
|
|
&info,
|
|
&matrix,
|
|
vals,
|
|
&c->data.artworks.block,
|
|
&c->data.artworks.size,
|
|
110, /* fully anti-aliased */
|
|
0,
|
|
source_size,
|
|
c->data.artworks.render_routine,
|
|
c->data.artworks.render_workspace);
|
|
|
|
if (error) {
|
|
LOG(("awrender_render: 0x%x: %s",
|
|
error->errnum, error->errmess));
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool artworks_clone(const struct content *old, struct content *new_content)
|
|
{
|
|
/* Simply re-run convert */
|
|
if (old->status == CONTENT_STATUS_READY ||
|
|
old->status == CONTENT_STATUS_DONE) {
|
|
if (artworks_convert(new_content) == false)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#endif
|