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netsurf/frontends/riscos/print.c
Michael Drake 8332bf6b2a Plotters: Remove width param from path plotter. 
We now use the stroke_width in the plot_style.
2018-05-23 13:48:17 +01:00

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/*
* Copyright 2004 John M Bell <jmb202@ecs.soton.ac.uk>
* Copyright 2006 James Bursa <bursa@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/>.
*/
#include "utils/config.h"
#include <assert.h>
#include <string.h>
#include <swis.h>
#include <oslib/font.h>
#include <oslib/hourglass.h>
#include <oslib/osfile.h>
#include <oslib/osfind.h>
#include <oslib/pdriver.h>
#include <oslib/wimp.h>
#include <rufl.h>
#include <limits.h>
#include "utils/config.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/nsoption.h"
#include "netsurf/browser_window.h"
#include "netsurf/plotters.h"
#include "netsurf/content.h"
#include "content/content.h"
#include "riscos/gui.h"
#include "riscos/window.h"
#include "riscos/dialog.h"
#include "riscos/menus.h"
#include "riscos/print.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "riscos/filetype.h"
#include "riscos/font.h"
#define ICON_PRINT_TO_BOTTOM 1
#define ICON_PRINT_SHEETS 2
#define ICON_PRINT_SHEETS_VALUE 3
#define ICON_PRINT_SHEETS_DOWN 4
#define ICON_PRINT_SHEETS_UP 5
#define ICON_PRINT_SHEETS_TEXT 6
#define ICON_PRINT_FG_IMAGES 7
#define ICON_PRINT_BG_IMAGES 8
#define ICON_PRINT_IN_BACKGROUND 9
#define ICON_PRINT_UPRIGHT 10
#define ICON_PRINT_SIDEWAYS 11
#define ICON_PRINT_COPIES 12
#define ICON_PRINT_COPIES_DOWN 13
#define ICON_PRINT_COPIES_UP 14
#define ICON_PRINT_CANCEL 15
#define ICON_PRINT_PRINT 16
#define ICON_PRINT_TEXT_BLACK 20
/** \todo landscape format pages
* \todo be somewhat more intelligent and try not to crop pages
* half way up a line of text
* \todo make use of print stylesheets
*/
struct gui_window *ro_print_current_window = NULL;
bool print_text_black = false;
bool print_active = false;
/* 1 millipoint == 1/400 OS unit == 1/800 browser units */
static int print_prev_message = 0;
static bool print_in_background = false;
static float print_scale = 1.0;
static int print_num_copies = 1;
static bool print_bg_images = false;
static int print_max_sheets = -1;
static bool print_sideways = false;
/** List of fonts in current print. */
static char **print_fonts_list = 0;
/** Number of entries in print_fonts_list. */
static unsigned int print_fonts_count;
/** Error in print_fonts_plot_text() or print_fonts_callback(). */
static const char *print_fonts_error;
static bool ro_gui_print_click(wimp_pointer *pointer);
static bool ro_gui_print_apply(wimp_w w);
static void print_update_sheets_shaded_state(bool on);
static void print_send_printsave(struct hlcache_handle *h);
static bool print_send_printtypeknown(wimp_message *m);
static bool print_document(struct gui_window *g, const char *filename);
static const char *print_declare_fonts(struct hlcache_handle *h);
static void print_fonts_callback(void *context,
const char *font_name, unsigned int font_size,
const char *s8, unsigned short *s16, unsigned int n,
int x, int y);
/**
* Initialise the print dialog.
*/
void ro_gui_print_init(void)
{
wimp_i radio_print_type[] = {ICON_PRINT_TO_BOTTOM, ICON_PRINT_SHEETS,
-1};
wimp_i radio_print_orientation[] = {ICON_PRINT_UPRIGHT,
ICON_PRINT_SIDEWAYS, -1};
dialog_print = ro_gui_dialog_create("print");
ro_gui_wimp_event_register_radio(dialog_print, radio_print_type);
ro_gui_wimp_event_register_radio(dialog_print, radio_print_orientation);
ro_gui_wimp_event_register_checkbox(dialog_print, ICON_PRINT_FG_IMAGES);
ro_gui_wimp_event_register_checkbox(dialog_print, ICON_PRINT_BG_IMAGES);
ro_gui_wimp_event_register_checkbox(dialog_print,
ICON_PRINT_IN_BACKGROUND);
ro_gui_wimp_event_register_checkbox(dialog_print,
ICON_PRINT_TEXT_BLACK);
ro_gui_wimp_event_register_text_field(dialog_print,
ICON_PRINT_SHEETS_TEXT);
ro_gui_wimp_event_register_numeric_field(dialog_print,
ICON_PRINT_COPIES, ICON_PRINT_COPIES_UP,
ICON_PRINT_COPIES_DOWN, 1, 99, 1, 0);
ro_gui_wimp_event_register_numeric_field(dialog_print,
ICON_PRINT_SHEETS_VALUE, ICON_PRINT_SHEETS_UP,
ICON_PRINT_SHEETS_DOWN, 1, 99, 1, 0);
ro_gui_wimp_event_register_cancel(dialog_print, ICON_PRINT_CANCEL);
ro_gui_wimp_event_register_mouse_click(dialog_print,
ro_gui_print_click);
ro_gui_wimp_event_register_ok(dialog_print, ICON_PRINT_PRINT,
ro_gui_print_apply);
ro_gui_wimp_event_set_help_prefix(dialog_print, "HelpPrint");
}
/**
* Prepares all aspects of the print dialog prior to opening.
*
* \param g parent window
*/
void ro_gui_print_prepare(struct gui_window *g)
{
char *desc;
bool printers_exists = true;
os_error *error;
assert(g);
ro_print_current_window = g;
print_prev_message = 0;
/* Read Printer Driver name */
error = xpdriver_info(0, 0, 0, 0, &desc, 0, 0, 0);
if (error) {
NSLOG(netsurf, INFO, "xpdriver_info: 0x%x: %s",
error->errnum, error->errmess);
printers_exists = false;
}
ro_gui_set_icon_selected_state(dialog_print, ICON_PRINT_TO_BOTTOM,
true);
ro_gui_set_icon_selected_state(dialog_print, ICON_PRINT_SHEETS, false);
ro_gui_set_icon_integer(dialog_print, ICON_PRINT_SHEETS_VALUE, 1);
print_update_sheets_shaded_state(true);
ro_gui_set_icon_selected_state(dialog_print, ICON_PRINT_FG_IMAGES,
true);
ro_gui_set_icon_shaded_state(dialog_print, ICON_PRINT_FG_IMAGES, true);
ro_gui_set_icon_selected_state(dialog_print, ICON_PRINT_BG_IMAGES,
print_bg_images);
ro_gui_set_icon_selected_state(dialog_print, ICON_PRINT_IN_BACKGROUND,
false);
ro_gui_set_icon_selected_state(dialog_print, ICON_PRINT_UPRIGHT, true);
ro_gui_set_icon_selected_state(dialog_print, ICON_PRINT_SIDEWAYS,
false);
ro_gui_set_icon_selected_state(dialog_print, ICON_PRINT_TEXT_BLACK,
false);
ro_gui_set_icon_integer(dialog_print, ICON_PRINT_COPIES, 1);
ro_gui_set_icon_shaded_state(dialog_print, ICON_PRINT_PRINT,
!printers_exists);
if (printers_exists)
ro_gui_set_window_title(dialog_print, desc);
ro_gui_wimp_event_memorise(dialog_print);
}
/**
* Handle mouse clicks in print dialog
*
* \param pointer wimp_pointer block
*/
bool ro_gui_print_click(wimp_pointer *pointer)
{
if (pointer->buttons == wimp_CLICK_MENU)
return true;
switch (pointer->i) {
case ICON_PRINT_TO_BOTTOM:
case ICON_PRINT_SHEETS:
print_update_sheets_shaded_state(pointer->i !=
ICON_PRINT_SHEETS);
break;
}
return false;
}
/**
* Handle click on the Print button in the print dialog.
*/
bool ro_gui_print_apply(wimp_w w)
{
int copies = atoi(ro_gui_get_icon_string(dialog_print,
ICON_PRINT_COPIES));
int sheets = atoi(ro_gui_get_icon_string(dialog_print,
ICON_PRINT_SHEETS_VALUE));
print_in_background = ro_gui_get_icon_selected_state(dialog_print,
ICON_PRINT_IN_BACKGROUND);
print_text_black = ro_gui_get_icon_selected_state(dialog_print,
ICON_PRINT_TEXT_BLACK);
print_sideways = ro_gui_get_icon_selected_state(dialog_print,
ICON_PRINT_SIDEWAYS);
print_num_copies = copies;
if (ro_gui_get_icon_selected_state(dialog_print, ICON_PRINT_SHEETS))
print_max_sheets = sheets;
else
print_max_sheets = -1;
print_bg_images = ro_gui_get_icon_selected_state(dialog_print,
ICON_PRINT_BG_IMAGES);
print_send_printsave(browser_window_get_content(
ro_print_current_window->bw));
return true;
}
/**
* Set shaded state of sheets
*
* \param on whether to turn shading on or off
*/
void print_update_sheets_shaded_state(bool on)
{
ro_gui_set_icon_shaded_state(dialog_print, ICON_PRINT_SHEETS_VALUE, on);
ro_gui_set_icon_shaded_state(dialog_print, ICON_PRINT_SHEETS_DOWN, on);
ro_gui_set_icon_shaded_state(dialog_print, ICON_PRINT_SHEETS_UP, on);
ro_gui_set_icon_shaded_state(dialog_print, ICON_PRINT_SHEETS_TEXT, on);
ro_gui_set_caret_first(dialog_print);
}
/**
* Send a message_PRINT_SAVE
*
* \param h handle to content to print.
*/
void print_send_printsave(struct hlcache_handle *h)
{
wimp_full_message_data_xfer m;
os_error *e;
int len;
len = strlen(content_get_title(h)) + 1;
if (212 < len)
len = 212;
m.size = ((44+len+3) & ~3);
m.your_ref = 0;
m.action = message_PRINT_SAVE;
m.w = (wimp_w)0;
m.i = m.pos.x = m.pos.y = 0;
m.est_size = 1024; /* arbitrary value - it really doesn't matter */
m.file_type = ro_content_filetype(h);
strncpy(m.file_name, content_get_title(h), 211);
m.file_name[211] = 0;
e = xwimp_send_message(wimp_USER_MESSAGE_RECORDED,
(wimp_message *)&m, 0);
if (e) {
NSLOG(netsurf, INFO, "xwimp_send_message: 0x%x: %s",
e->errnum, e->errmess);
ro_warn_user("WimpError", e->errmess);
ro_print_cleanup();
}
print_prev_message = m.my_ref;
}
/**
* Send a message_PRINT_TYPE_KNOWN
*
* \param m message to reply to
* \return true on success, false otherwise
*/
bool print_send_printtypeknown(wimp_message *m)
{
os_error *e;
m->size = 20;
m->your_ref = m->my_ref;
m->action = message_PRINT_TYPE_KNOWN;
e = xwimp_send_message(wimp_USER_MESSAGE, m, m->sender);
if (e) {
NSLOG(netsurf, INFO, "xwimp_send_message: 0x%x: %s",
e->errnum, e->errmess);
ro_warn_user("WimpError", e->errmess);
return false;
}
return true;
}
/**
* Handle a bounced message_PRINT_SAVE
*
* \param m the bounced message
*/
void ro_print_save_bounce(wimp_message *m)
{
if (m->my_ref == 0 || m->my_ref != print_prev_message)
return;
/* try to print anyway (we're graphics printing) */
if (ro_print_current_window) {
print_document(ro_print_current_window, "printer:");
}
ro_print_cleanup();
}
/**
* Handle message_PRINT_ERROR
*
* \param m the message containing the error
*/
void ro_print_error(wimp_message *m)
{
pdriver_message_print_error *p = (pdriver_message_print_error*)&m->data;
if (m->your_ref == 0 || m->your_ref != print_prev_message)
return;
if (m->size == 20)
ro_warn_user("PrintErrorRO2", 0);
else
ro_warn_user("PrintError", p->errmess);
ro_print_cleanup();
}
/**
* Handle message_PRINT_TYPE_ODD
*
* \param m the message to handle
*/
void ro_print_type_odd(wimp_message *m)
{
if ((m->your_ref == 0 || m->your_ref == print_prev_message) &&
!print_in_background) {
/* reply to a previous message (ie printsave) */
if (ro_print_current_window && print_send_printtypeknown(m)) {
print_document(ro_print_current_window, "printer:");
}
ro_print_cleanup();
}
else {
/* broadcast message */
/* no need to do anything */
}
}
/**
* Handle message_DATASAVE_ACK for the printing protocol.
*
* \param m the message to handle
* \return true if message successfully handled, false otherwise
*
* We cheat here and, instead of giving Printers what it asked for (a copy of
* the file so it can poke us later via a broadcast of PrintTypeOdd), we give
* it a file that it can print itself without having to bother us further. For
* PostScript printers (type 0) we give it a PostScript file. Otherwise, we give
* it a PrintOut file.
*
* This method has a couple of advantages:
* - we can reuse this code for background printing (we simply ignore the
* PrintTypeOdd reply)
* - there's no need to ensure all components of a page queued to be printed
* still exist when it reaches the top of the queue. (which reduces complexity
* a fair bit)
*/
bool ro_print_ack(wimp_message *m)
{
pdriver_info_type info_type;
pdriver_type type;
os_error *error;
if (m->your_ref == 0 || m->your_ref != print_prev_message ||
!ro_print_current_window)
return false;
/* read printer driver type */
error = xpdriver_info(&info_type, 0, 0, 0, 0, 0, 0, 0);
if (error) {
NSLOG(netsurf, INFO, "xpdriver_info: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("PrintError", error->errmess);
ro_print_cleanup();
return true;
}
type = info_type >> 16;
/* print to file */
if (!print_document(ro_print_current_window,
m->data.data_xfer.file_name)) {
ro_print_cleanup();
return true;
}
/* send dataload */
m->your_ref = m->my_ref;
m->action = message_DATA_LOAD;
if (type == pdriver_TYPE_PS)
m->data.data_xfer.file_type = osfile_TYPE_POSTSCRIPT;
else
m->data.data_xfer.file_type = osfile_TYPE_PRINTOUT;
error = xwimp_send_message(wimp_USER_MESSAGE_RECORDED, m, m->sender);
if (error) {
NSLOG(netsurf, INFO, "xwimp_send_message: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
/* and delete temporary file */
xosfile_delete(m->data.data_xfer.file_name,
0, 0, 0, 0, 0);
}
print_prev_message = m->my_ref;
ro_print_cleanup();
return true;
}
/**
* Handle a bounced dataload message
*
* \param m the message to handle
*/
void ro_print_dataload_bounce(wimp_message *m)
{
if (m->your_ref == 0 || m->your_ref != print_prev_message)
return;
xosfile_delete(m->data.data_xfer.file_name, 0, 0, 0, 0, 0);
ro_print_cleanup();
}
/**
* Cleanup after printing
*/
void ro_print_cleanup(void)
{
ro_print_current_window = NULL;
print_text_black = false;
print_prev_message = 0;
print_max_sheets = -1;
ro_gui_menu_destroy();
ro_gui_dialog_close(dialog_print);
}
/**
* Print a document.
*
* \param g gui_window containing the document to print
* \param filename name of file to print to
* \return true on success, false on error and error reported
*/
bool print_document(struct gui_window *g, const char *filename)
{
int left, right, top, bottom, width, height;
int saved_width, saved_height;
int yscroll = 0, sheets = print_max_sheets;
struct hlcache_handle *h = browser_window_get_content(g->bw);
const char *error_message;
pdriver_features features;
os_fw fhandle, old_job = 0;
os_error *error;
/* no point printing a blank page */
if (!h) {
ro_warn_user("PrintError", "nothing to print");
return false;
}
/* read printer driver features */
error = xpdriver_info(0, 0, 0, &features, 0, 0, 0, 0);
if (error) {
NSLOG(netsurf, INFO, "xpdriver_info: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("PrintError", error->errmess);
return false;
}
/* read page size */
error = xpdriver_page_size(0, 0, &left, &bottom, &right, &top);
if (error) {
NSLOG(netsurf, INFO, "xpdriver_page_size: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("PrintError", error->errmess);
return false;
}
if (print_sideways) {
width = (top - bottom) / 800;
height = (right - left) / 800;
} else {
width = (right - left) / 800;
height = (top - bottom) / 800;
}
/* layout the document to the correct width */
saved_width = content_get_width(h);
saved_height = content_get_height(h);
if (content_get_type(h) == CONTENT_HTML)
content_reformat(h, false, width, height);
/* open printer file */
error = xosfind_openoutw(osfind_NO_PATH | osfind_ERROR_IF_DIR |
osfind_ERROR_IF_ABSENT, filename, 0, &fhandle);
if (error) {
NSLOG(netsurf, INFO, "xosfind_openoutw: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("PrintError", error->errmess);
return false;
}
/* select print job */
error = xpdriver_select_jobw(fhandle, "NetSurf", &old_job);
if (error) {
NSLOG(netsurf, INFO, "xpdriver_select_jobw: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("PrintError", error->errmess);
xosfind_closew(fhandle);
return false;
}
rufl_invalidate_cache();
/* declare fonts, if necessary */
if (features & pdriver_FEATURE_DECLARE_FONT) {
if ((error_message = print_declare_fonts(h)))
goto error;
}
ro_gui_current_redraw_gui = g;
/* print is now active */
print_active = true;
do {
struct rect clip;
os_box b;
os_hom_trfm t;
os_coord p;
osbool more;
if (print_sideways) {
b.x0 = bottom / 400 -2;
b.y0 = left / 400 - 2;
b.x1 = top / 400 + 2;
b.y1 = right / 400 + 2;
t.entries[0][0] = 0;
t.entries[0][1] = 65536;
t.entries[1][0] = -65536;
t.entries[1][1] = 0;
p.x = right;
p.y = bottom;
ro_plot_origin_x = bottom / 400;
ro_plot_origin_y = right / 400 + yscroll * 2;
} else {
b.x0 = left / 400 -2;
b.y0 = bottom / 400 - 2;
b.x1 = right / 400 + 2;
b.y1 = top / 400 + 2;
t.entries[0][0] = 65536;
t.entries[0][1] = 0;
t.entries[1][0] = 0;
t.entries[1][1] = 65536;
p.x = left;
p.y = bottom;
ro_plot_origin_x = left / 400;
ro_plot_origin_y = top / 400 + yscroll * 2;
}
xhourglass_percentage((int) (yscroll * 100 /
content_get_height(h)));
/* give page rectangle */
error = xpdriver_give_rectangle(0, &b, &t, &p, os_COLOUR_WHITE);
if (error) {
NSLOG(netsurf, INFO,
"xpdriver_give_rectangle: 0x%x: %s",
error->errnum,
error->errmess);
error_message = error->errmess;
goto error;
}
NSLOG(netsurf, INFO, "given rectangle: [(%d, %d), (%d, %d)]",
b.x0, b.y0, b.x1, b.y1);
/* and redraw the document */
error = xpdriver_draw_page(print_num_copies, &b, 0, 0,
&more, 0);
if (error) {
NSLOG(netsurf, INFO, "xpdriver_draw_page: 0x%x: %s",
error->errnum, error->errmess);
error_message = error->errmess;
goto error;
}
while (more) {
struct content_redraw_data data;
/* TODO: turn knockout off for print */
struct redraw_context ctx = {
.interactive = false,
.background_images = print_bg_images,
.plot = &ro_plotters
};
NSLOG(netsurf, INFO,
"redrawing area: [(%d, %d), (%d, %d)]", b.x0,
b.y0, b.x1, b.y1);
clip.x0 = (b.x0 - ro_plot_origin_x) / 2;
clip.y0 = (ro_plot_origin_y - b.y1) / 2;
clip.x1 = (b.x1 - ro_plot_origin_x) / 2;
clip.y1 = (ro_plot_origin_y - b.y0) / 2;
data.x = 0;
data.y = 0;
data.width = content_get_width(h);
data.height = content_get_height(h);
data.background_colour = 0xFFFFFF;
data.scale = print_scale;
data.repeat_x = false;
data.repeat_y = false;
if (!content_redraw(h, &data, &clip, &ctx)) {
error_message = "redraw error";
goto error;
}
error = xpdriver_get_rectangle(&b, &more, 0);
if (error) {
NSLOG(netsurf, INFO,
"xpdriver_get_rectangle: 0x%x: %s",
error->errnum,
error->errmess);
error_message = error->errmess;
goto error;
}
}
yscroll += height;
} while (yscroll <= content_get_height(h) && --sheets != 0);
/* make print inactive */
print_active = false;
ro_gui_current_redraw_gui = 0;
/* clean up
*
* Call PDriver_EndJob via _swix() so that r9 is preserved. This
* prevents a crash if the SWI corrupts it on exit (as seems to
* happen on some versions of RISC OS 6).
*/
error = (os_error *) _swix(PDriver_EndJob, _IN(0), (int) fhandle);
if (error) {
NSLOG(netsurf, INFO, "xpdriver_end_jobw: 0x%x: %s",
error->errnum, error->errmess);
error_message = error->errmess;
goto error;
}
error = xosfind_closew(fhandle);
if (error) {
NSLOG(netsurf, INFO, "xosfind_closew: 0x%x: %s",
error->errnum, error->errmess);
ro_warn_user("PrintError", error->errmess);
return false;
}
if (old_job) {
error = xpdriver_select_jobw(old_job, 0, 0);
if (error) {
NSLOG(netsurf, INFO,
"xpdriver_select_jobw: 0x%x: %s",
error->errnum,
error->errmess);
ro_warn_user("PrintError", error->errmess);
/* the printing succeeded anyway */
return true;
}
}
rufl_invalidate_cache();
/* restore document layout and redraw browser window */
if (content_get_type(h) == CONTENT_HTML)
content_reformat(h, false, saved_width, saved_height);
ro_gui_window_invalidate_area(g, NULL);
return true;
error:
xpdriver_abort_job(fhandle);
xosfind_closew(fhandle);
if (old_job)
xpdriver_select_jobw(old_job, 0, 0);
print_active = false;
ro_gui_current_redraw_gui = 0;
ro_warn_user("PrintError", error_message);
rufl_invalidate_cache();
/* restore document layout */
if (content_get_type(h) == CONTENT_HTML)
content_reformat(h, false, saved_width, saved_height);
return false;
}
static nserror
print_fonts_plot_clip(const struct redraw_context *ctx, const struct rect *clip)
{
return NSERROR_OK;
}
static nserror
print_fonts_plot_arc(const struct redraw_context *ctx,
const plot_style_t *style,
int x, int y, int radius, int angle1, int angle2)
{
return NSERROR_OK;
}
static nserror
print_fonts_plot_disc(const struct redraw_context *ctx,
const plot_style_t *style,
int x, int y, int radius)
{
return NSERROR_OK;
}
static nserror
print_fonts_plot_line(const struct redraw_context *ctx,
const plot_style_t *style,
const struct rect *line)
{
return NSERROR_OK;
}
static nserror
print_fonts_plot_rectangle(const struct redraw_context *ctx,
const plot_style_t *style,
const struct rect *rect)
{
return NSERROR_OK;
}
static nserror
print_fonts_plot_polygon(const struct redraw_context *ctx,
const plot_style_t *style,
const int *p,
unsigned int n)
{
return NSERROR_OK;
}
static nserror
print_fonts_plot_path(const struct redraw_context *ctx,
const plot_style_t *pstyle,
const float *p,
unsigned int n,
const float transform[6])
{
return NSERROR_OK;
}
static nserror
print_fonts_plot_bitmap(const struct redraw_context *ctx,
struct bitmap *bitmap,
int x, int y,
int width,
int height,
colour bg,
bitmap_flags_t flags)
{
return NSERROR_OK;
}
/**
* text plotting during RO print font listing.
*
* \param ctx The current redraw context.
* \param fstyle plot style for this text
* \param x x coordinate
* \param y y coordinate
* \param text UTF-8 string to plot
* \param length length of string, in bytes
* \return NSERROR_OK on success else error code.
*/
static nserror
print_fonts_plot_text(const struct redraw_context *ctx,
const struct plot_font_style *fstyle,
int x,
int y,
const char *text,
size_t length)
{
const char *font_family;
unsigned int font_size;
rufl_style font_style;
rufl_code code;
nsfont_read_style(fstyle, &font_family, &font_size, &font_style);
code = rufl_paint_callback(font_family, font_style, font_size,
text, length, 0, 0, print_fonts_callback, 0);
if (code != rufl_OK) {
if (code == rufl_FONT_MANAGER_ERROR) {
NSLOG(netsurf, INFO,
"rufl_paint_callback: rufl_FONT_MANAGER_ERROR: ""0x%x: %s",
rufl_fm_error->errnum,
rufl_fm_error->errmess);
print_fonts_error = rufl_fm_error->errmess;
} else {
NSLOG(netsurf, INFO, "rufl_paint_callback: 0x%x",
code);
}
return NSERROR_INVALID;
}
if (print_fonts_error)
return NSERROR_INVALID;
return NSERROR_OK;
}
/**
* Plotter table for print_declare_fonts().
*
* All the functions do nothing except for print_fonts_plot_text,
* which records the fonts used.
*/
static const struct plotter_table print_fonts_plotters = {
.rectangle = print_fonts_plot_rectangle,
.line = print_fonts_plot_line,
.polygon = print_fonts_plot_polygon,
.clip = print_fonts_plot_clip,
.text = print_fonts_plot_text,
.disc = print_fonts_plot_disc,
.arc = print_fonts_plot_arc,
.bitmap = print_fonts_plot_bitmap,
.path = print_fonts_plot_path,
.option_knockout = false,
};
/**
* Declare fonts to the printer driver.
*
* \param h handle to content being printed
* \return 0 on success, error message on error
*/
const char *print_declare_fonts(struct hlcache_handle *h)
{
unsigned int i;
struct rect clip;
struct content_redraw_data data;
const char *error_message = 0;
os_error *error;
struct redraw_context ctx = {
.interactive = false,
.background_images = false,
.plot = &print_fonts_plotters
};
free(print_fonts_list);
print_fonts_list = 0;
print_fonts_count = 0;
print_fonts_error = 0;
clip.x0 = clip.y0 = INT_MIN;
clip.x1 = clip.y1 = INT_MAX;
data.x = 0;
data.y = 0;
data.width = content_get_width(h);
data.height = content_get_height(h);
data.background_colour = 0xFFFFFF;
data.scale = 1;
data.repeat_x = false;
data.repeat_y = false;
if (!content_redraw(h, &data, &clip, &ctx)) {
if (print_fonts_error)
return print_fonts_error;
return "Declaring fonts failed.";
}
for (i = 0; i != print_fonts_count; ++i) {
NSLOG(netsurf, INFO, "%u %s", i, print_fonts_list[i]);
error = xpdriver_declare_font(0, print_fonts_list[i],
pdriver_KERNED);
if (error) {
NSLOG(netsurf, INFO,
"xpdriver_declare_font: 0x%x: %s",
error->errnum,
error->errmess);
error_message = error->errmess;
goto end;
}
}
error = xpdriver_declare_font(0, 0, 0);
if (error) {
NSLOG(netsurf, INFO, "xpdriver_declare_font: 0x%x: %s",
error->errnum, error->errmess);
error_message = error->errmess;
goto end;
}
end:
for (i = 0; i != print_fonts_count; i++)
free(print_fonts_list[i]);
free(print_fonts_list);
print_fonts_list = 0;
return error_message;
}
/**
* Callback for print_fonts_plot_text().
*
* The font name is added to print_fonts_list.
*/
void print_fonts_callback(void *context,
const char *font_name, unsigned int font_size,
const char *s8, unsigned short *s16, unsigned int n,
int x, int y)
{
unsigned int i;
char **fonts_list;
(void) context; /* unused */
(void) font_size; /* unused */
(void) x; /* unused */
(void) y; /* unused */
assert(s8 || s16);
/* check if the font name is new */
for (i = 0; i != print_fonts_count &&
strcmp(print_fonts_list[i], font_name) != 0; i++)
;
if (i != print_fonts_count)
return;
/* add to list of fonts */
fonts_list = realloc(print_fonts_list,
sizeof print_fonts_list[0] *
(print_fonts_count + 1));
if (!fonts_list) {
print_fonts_error = messages_get("NoMemory");
return;
}
fonts_list[print_fonts_count] = strdup(font_name);
if (!fonts_list[print_fonts_count]) {
print_fonts_error = messages_get("NoMemory");
return;
}
print_fonts_list = fonts_list;
print_fonts_count++;
}
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