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netsurf/riscos/print.c

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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"
#ifdef WITH_PRINT
#include <assert.h>
#include <string.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 "utils/config.h"
#include "content/content.h"
#include "desktop/plotters.h"
#include "render/box.h"
#include "render/font.h"
#include "render/html.h"
#include "render/layout.h"
#include "riscos/dialog.h"
#include "riscos/menus.h"
#include "riscos/print.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.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;
/** 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 content *c);
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 content *content);
static bool print_fonts_plot_clg(colour c);
static bool print_fonts_plot_rectangle(int x0, int y0, int width, int height,
int line_width, colour c, bool dotted, bool dashed);
static bool print_fonts_plot_line(int x0, int y0, int x1, int y1, int width,
colour c, bool dotted, bool dashed);
static bool print_fonts_plot_polygon(int *p, unsigned int n, colour fill);
static bool print_fonts_plot_fill(int x0, int y0, int x1, int y1, colour c);
static bool print_fonts_plot_clip(int clip_x0, int clip_y0,
int clip_x1, int clip_y1);
static bool print_fonts_plot_text(int x, int y, const struct css_style *style,
const char *text, size_t length, colour bg, colour c);
static bool print_fonts_plot_disc(int x, int y, int radius, colour c,
bool filled);
static bool print_fonts_plot_arc(int x, int y, int radius, int angle1, int angle2,
colour c);
static bool print_fonts_plot_bitmap(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg,
struct content *content);
static bool print_fonts_plot_bitmap_tile(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg,
bool repeat_x, bool repeat_y, struct content *content);
static bool print_fonts_plot_path(float *p, unsigned int n, colour fill, float width,
colour c, float *transform);
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);
/** Plotter 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 = {
print_fonts_plot_clg,
print_fonts_plot_rectangle,
print_fonts_plot_line,
print_fonts_plot_polygon,
print_fonts_plot_fill,
print_fonts_plot_clip,
print_fonts_plot_text,
print_fonts_plot_disc,
print_fonts_plot_arc,
print_fonts_plot_bitmap,
print_fonts_plot_bitmap_tile,
NULL,
NULL,
NULL,
print_fonts_plot_path,
false
};
/**
* 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) {
LOG(("xpdriver_info: 0x%x: %s", error->errnum, error->errmess));
printers_exists = false;
}
print_bg_images = g->option.background_images;
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_num_copies = copies;
if (ro_gui_get_icon_selected_state(dialog_print, ICON_PRINT_SHEETS))
print_max_sheets = sheets;
else
print_max_sheets = -1;
ro_print_current_window->option.background_images =
ro_gui_get_icon_selected_state(dialog_print,
ICON_PRINT_BG_IMAGES);
print_send_printsave(ro_print_current_window->bw->current_content);
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 c content to print
*/
void print_send_printsave(struct content *c)
{
wimp_full_message_data_xfer m;
os_error *e;
int len;
len = strlen(c->title) + 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(c);
strncpy(m.file_name, c->title, 211);
m.file_name[211] = 0;
e = xwimp_send_message(wimp_USER_MESSAGE_RECORDED,
(wimp_message *)&m, 0);
if (e) {
LOG(("xwimp_send_message: 0x%x: %s",
e->errnum, e->errmess));
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) {
LOG(("xwimp_send_message: 0x%x: %s",
e->errnum, e->errmess));
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)
warn_user("PrintErrorRO2", 0);
else
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) {
LOG(("xpdriver_info: 0x%x: %s",
error->errnum, error->errmess));
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) {
LOG(("xwimp_send_message: 0x%x: %s",
error->errnum, error->errmess));
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)
{
if (ro_print_current_window)
ro_print_current_window->option.background_images =
print_bg_images;
ro_print_current_window = NULL;
print_text_black = false;
print_prev_message = 0;
print_max_sheets = -1;
ro_gui_menu_closed(true);
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 content *c = g->bw->current_content;
const char *error_message;
pdriver_features features;
os_fw fhandle, old_job = 0;
os_error *error;
/* no point printing a blank page */
if (!c) {
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) {
LOG(("xpdriver_info: 0x%x: %s",
error->errnum, error->errmess));
warn_user("PrintError", error->errmess);
return false;
}
/* read page size */
error = xpdriver_page_size(0, 0, &left, &bottom, &right, &top);
if (error) {
LOG(("xpdriver_page_size: 0x%x: %s",
error->errnum, error->errmess));
warn_user("PrintError", error->errmess);
return false;
}
width = (right - left) / 800;
height = (top - bottom) / 800;
/* layout the document to the correct width */
saved_width = c->width;
saved_height = c->height;
if (c->type == CONTENT_HTML)
layout_document(c, width, height);
/* open printer file */
error = xosfind_openoutw(osfind_NO_PATH | osfind_ERROR_IF_DIR |
osfind_ERROR_IF_ABSENT, filename, 0, &fhandle);
if (error) {
LOG(("xosfind_openoutw: 0x%x: %s",
error->errnum, error->errmess));
warn_user("PrintError", error->errmess);
return false;
}
/* select print job */
error = xpdriver_select_jobw(fhandle, "NetSurf", &old_job);
if (error) {
LOG(("xpdriver_select_jobw: 0x%x: %s",
error->errnum, error->errmess));
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(c)))
goto error;
}
plot = ro_plotters;
plot.option_knockout = false;
ro_plot_set_scale(print_scale);
ro_gui_current_redraw_gui = g;
current_redraw_browser = NULL; /* we don't want to print the
selection */
/* print is now active */
print_active = true;
do {
int clip_x0, clip_y0, clip_x1, clip_y1;
os_box b = {left / 400 - 2, bottom / 400 - 2,
right / 400 + 2, top / 400 + 2};
os_hom_trfm t = { { {65536, 0}, {0, 65536} } };
os_coord p = {left, bottom};
osbool more;
xhourglass_percentage((int) (yscroll * 100 / c->height));
/* give page rectangle */
error = xpdriver_give_rectangle(0, &b, &t, &p, os_COLOUR_WHITE);
if (error) {
LOG(("xpdriver_give_rectangle: 0x%x: %s",
error->errnum, error->errmess));
error_message = error->errmess;
goto error;
}
LOG(("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) {
LOG(("xpdriver_draw_page: 0x%x: %s",
error->errnum, error->errmess));
error_message = error->errmess;
goto error;
}
ro_plot_origin_x = left / 400;
ro_plot_origin_y = top / 400 + yscroll * 2;
while (more) {
LOG(("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;
if (!content_redraw(c, 0, 0,
c->width, c->height,
clip_x0, clip_y0, clip_x1, clip_y1,
print_scale,
0xFFFFFF)) {
error_message = "redraw error";
goto error;
}
error = xpdriver_get_rectangle(&b, &more, 0);
if (error) {
LOG(("xpdriver_get_rectangle: 0x%x: %s",
error->errnum, error->errmess));
error_message = error->errmess;
goto error;
}
}
yscroll += height;
} while (yscroll <= c->height && --sheets != 0);
/* make print inactive */
print_active = false;
ro_gui_current_redraw_gui = 0;
/* clean up */
error = xpdriver_end_jobw(fhandle);
if (error) {
LOG(("xpdriver_end_jobw: 0x%x: %s",
error->errnum, error->errmess));
error_message = error->errmess;
goto error;
}
error = xosfind_closew(fhandle);
if (error) {
LOG(("xosfind_closew: 0x%x: %s",
error->errnum, error->errmess));
warn_user("PrintError", error->errmess);
return false;
}
if (old_job) {
error = xpdriver_select_jobw(old_job, 0, 0);
if (error) {
LOG(("xpdriver_select_jobw: 0x%x: %s",
error->errnum, error->errmess));
warn_user("PrintError", error->errmess);
/* the printing succeeded anyway */
return true;
}
}
rufl_invalidate_cache();
/* restore document layout */
if (c->type == CONTENT_HTML)
layout_document(c, saved_width, saved_height);
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;
warn_user("PrintError", error_message);
rufl_invalidate_cache();
/* restore document layout */
if (c->type == CONTENT_HTML)
layout_document(c, saved_width, saved_height);
return false;
}
/**
* Declare fonts to the printer driver.
*
* \param c content being printed
* \return 0 on success, error message on error
*/
const char *print_declare_fonts(struct content *content)
{
unsigned int i;
const char *error_message = 0;
os_error *error;
free(print_fonts_list);
print_fonts_list = 0;
print_fonts_count = 0;
print_fonts_error = 0;
plot = print_fonts_plotters;
if (!content_redraw(content, 0, 0, content->width, content->height,
INT_MIN, INT_MIN, INT_MAX, INT_MAX, 1, 0xffffff)) {
if (print_fonts_error)
return print_fonts_error;
return "Declaring fonts failed.";
}
for (i = 0; i != print_fonts_count; ++i) {
LOG(("%u %s", i, print_fonts_list[i]));
error = xpdriver_declare_font(0, print_fonts_list[i],
pdriver_KERNED);
if (error) {
LOG(("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) {
LOG(("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;
}
bool print_fonts_plot_clg(colour c)
{
return true;
}
bool print_fonts_plot_rectangle(int x0, int y0, int width, int height,
int line_width, colour c, bool dotted, bool dashed)
{
return true;
}
bool print_fonts_plot_line(int x0, int y0, int x1, int y1, int width,
colour c, bool dotted, bool dashed)
{
return true;
}
bool print_fonts_plot_polygon(int *p, unsigned int n, colour fill)
{
return true;
}
bool print_fonts_plot_fill(int x0, int y0, int x1, int y1, colour c)
{
return true;
}
bool print_fonts_plot_clip(int clip_x0, int clip_y0,
int clip_x1, int clip_y1)
{
return true;
}
bool print_fonts_plot_disc(int x, int y, int radius, colour colour,
bool filled)
{
return true;
}
bool print_fonts_plot_arc(int x, int y, int radius, int angle1, int angle2,
colour c)
{
return true;
}
bool print_fonts_plot_bitmap(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg, struct content *content)
{
return true;
}
bool print_fonts_plot_bitmap_tile(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg,
bool repeat_x, bool repeat_y, struct content *content)
{
return true;
}
bool print_fonts_plot_path(float *p, unsigned int n, colour fill, float width,
colour c, float *transform)
{
return true;
}
/**
* Plotter for text plotting during font listing.
*/
bool print_fonts_plot_text(int x, int y, const struct css_style *style,
const char *text, size_t length, colour bg, colour c)
{
const char *font_family;
unsigned int font_size;
rufl_style font_style;
rufl_code code;
nsfont_read_style(style, &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) {
LOG(("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 {
LOG(("rufl_paint_callback: 0x%x", code));
}
return false;
}
if (print_fonts_error)
return false;
return true;
}
/**
* 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++;
}
#endif
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