mirror of
https://github.com/netsurf-browser/netsurf
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[project @ 2002-07-27 21:10:45 by bursa]
Simple RISC OS interface. svn path=/import/netsurf/; revision=26
This commit is contained in:
James Bursa
parent
e78ea408f3
commit
57feb5e244
31
makefile
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31
makefile
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# $Id: makefile,v 1.1 2002/07/27 21:10:45 bursa Exp $
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all: netsurf,ff8
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clean:
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rm */objs-riscos/*
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FLAGS = -g -Wall -W -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-qual \
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-Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes -Wmissing-prototypes \
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-Wmissing-declarations -Wredundant-decls -Wnested-externs -Winline -std=c9x \
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-I.. -I../../Tools/libxml2/include -I../../Tools/oslib \
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-I../../Tools/curl/include -Dfd_set=long
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CC = riscos-gcc
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OBJECTS = render/objs-riscos/utils.o render/objs-riscos/css.o \
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render/objs-riscos/css_enum.o render/objs-riscos/box.o \
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render/objs-riscos/layout.o \
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riscos/objs-riscos/netsurf.o riscos/objs-riscos/font.o
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HEADERS = render/box.h render/css.h render/css_enum.h render/font.h \
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render/layout.h render/utils.h
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LIBS = ../../Tools/libxml2/libxml.ro ../../Tools/oslib/oslib.o ../../Tools/curl/libcurl.ro
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netsurf,ff8: $(OBJECTS)
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$(CC) $(FLAGS) -o netsurf,ff8 $(OBJECTS) $(LIBS)
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render/css_enum.c render/css_enum.h: render/css_enums render/makeenum
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render/makeenum render/css_enum < render/css_enums
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render/objs-riscos/%.o: render/%.c $(HEADERS)
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$(CC) $(FLAGS) -o $@ -c $<
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riscos/objs-riscos/%.o: riscos/%.c $(HEADERS)
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$(CC) $(FLAGS) -o $@ -c $<
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40
riscos/font.c
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40
riscos/font.c
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/**
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* $Id: font.c,v 1.1 2002/07/27 21:10:45 bursa Exp $
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*/
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#include <stdio.h>
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#include "netsurf/render/css.h"
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#include "netsurf/render/font.h"
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#include "netsurf/render/utils.h"
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#include "oslib/font.h"
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/**
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* functions
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*/
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extern font_f font;
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unsigned long font_width(struct css_style * style, const char * text, unsigned int length)
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{
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font_scan_block block;
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os_error * error;
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if (length == 0) return 0;
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block.space.x = block.space.y = 0;
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block.letter.x = block.letter.y = 0;
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block.split_char = -1;
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error = xfont_scan_string(font, text,
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font_GIVEN_BLOCK | font_GIVEN_LENGTH | font_GIVEN_FONT | font_KERN | font_RETURN_BBOX,
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0x7fffffff, 0x7fffffff,
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&block,
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0, length,
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0, 0, 0, 0);
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if (error != 0) {
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fprintf(stderr, "%s\n", error->errmess);
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die("font_scan_string failed");
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}
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return block.bbox.x1 / 800;
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}
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221
riscos/netsurf.c
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221
riscos/netsurf.c
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/**
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* $Id: netsurf.c,v 1.1 2002/07/27 21:10:45 bursa Exp $
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "libxml/HTMLparser.h"
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#include "netsurf/render/css.h"
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#include "netsurf/render/box.h"
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#include "netsurf/render/font.h"
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#include "netsurf/render/layout.h"
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#include "netsurf/render/utils.h"
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#include "oslib/colourtrans.h"
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#include "oslib/font.h"
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#include "oslib/wimp.h"
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#include "curl/curl.h"
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font_f font;
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void redraw(struct box * box, signed long x, signed long y)
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{
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struct box * c;
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const char * const noname = "";
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const char * name = noname;
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switch (box->type) {
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case BOX_TABLE:
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case BOX_TABLE_ROW:
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case BOX_TABLE_CELL:
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case BOX_FLOAT_LEFT:
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case BOX_FLOAT_RIGHT:
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case BOX_BLOCK: if (box->node) name = (const char *) box->node->name;
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break;
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case BOX_INLINE:
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case BOX_INLINE_CONTAINER:
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default:
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break;
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}
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/* fprintf(stderr, "redraw: <%s> %li %li\n", name, x, y); */
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colourtrans_set_gcol(os_COLOUR_CYAN, 0, os_ACTION_OVERWRITE, 0);
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os_plot(os_MOVE_TO, x + box->x * 2, y - box->y * 2);
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os_plot(os_PLOT_SOLID | os_PLOT_BY, box->width * 2, 0);
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os_plot(os_PLOT_SOLID | os_PLOT_BY, 0, -box->height * 2);
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os_plot(os_PLOT_SOLID | os_PLOT_BY, -box->width * 2, 0);
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os_plot(os_PLOT_SOLID | os_PLOT_BY, 0, box->height * 2);
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if (box->type == BOX_INLINE) {
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font_paint(font, box->text,
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font_OS_UNITS | font_GIVEN_LENGTH | font_GIVEN_FONT | font_KERN,
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x + box->x * 2, y - box->y * 2 - box->height * 2,
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0, 0,
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box->length);
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/* colourtrans_set_gcol(os_COLOUR_BLACK, 0, os_ACTION_OVERWRITE, 0);
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os_plot(os_MOVE_TO, x + box->x * 2, y - box->y * 2);
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os_writen(box->text, box->length);*/
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/* } else if (box->type != BOX_INLINE_CONTAINER) { */
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/* colourtrans_set_gcol((0xffffff - ((name[0] << 16) | (name[1] << 8) |
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name[0])) << 8,
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0, os_ACTION_OVERWRITE, 0);*/
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/*
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colourtrans_set_gcol(os_COLOUR_RED, 0, os_ACTION_OVERWRITE, 0);
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os_plot(os_MOVE_TO, x + box->x * 2, y - box->y * 2);
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os_write0(name);*/
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}
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for (c = box->children; c != 0; c = c->next)
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if (c->type != BOX_FLOAT_LEFT && c->type != BOX_FLOAT_RIGHT)
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redraw(c, x + box->x * 2, y - box->y * 2);
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for (c = box->float_children; c != 0; c = c->next_float)
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redraw(c, x + box->x * 2, y - box->y * 2);
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}
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void render_window(struct box * box)
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{
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wimp_t task;
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wimp_window window = {
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{ 0, 0, 1200, 2000 },
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0, 0,
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wimp_TOP,
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wimp_WINDOW_MOVEABLE | wimp_WINDOW_NEW_FORMAT | wimp_WINDOW_BACK_ICON |
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wimp_WINDOW_CLOSE_ICON | wimp_WINDOW_TITLE_ICON | wimp_WINDOW_VSCROLL |
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wimp_WINDOW_SIZE_ICON | wimp_WINDOW_TOGGLE_ICON,
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wimp_COLOUR_BLACK, wimp_COLOUR_LIGHT_GREY,
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wimp_COLOUR_BLACK, wimp_COLOUR_WHITE,
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wimp_COLOUR_DARK_GREY, wimp_COLOUR_MID_LIGHT_GREY,
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wimp_COLOUR_CREAM,
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0,
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{ 0, -2000, 1200, 0 },
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wimp_ICON_TEXT, 0,
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0,
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0, 0,
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{ "NetSurf" },
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0
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};
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wimp_w w;
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wimp_window_state state;
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wimp_block block;
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task = wimp_initialise(wimp_VERSION_RO3, "NetSurf", 0, 0);
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window.extent.x1 = box->width * 2;
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window.extent.y0 = -box->height * 2;
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w = wimp_create_window(&window);
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state.w = w;
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wimp_get_window_state(&state);
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wimp_open_window((wimp_open *) &state);
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while (1) {
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wimp_event_no event = wimp_poll(wimp_MASK_NULL, &block, 0);
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osbool more;
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switch (event) {
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case wimp_REDRAW_WINDOW_REQUEST:
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more = wimp_redraw_window(&block.redraw);
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wimp_set_font_colours(wimp_COLOUR_WHITE, wimp_COLOUR_BLACK);
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while (more) {
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redraw(box, block.redraw.box.x0 - block.redraw.xscroll,
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block.redraw.box.y1 - block.redraw.yscroll);
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more = wimp_get_rectangle(&block.redraw);
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}
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break;
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case wimp_OPEN_WINDOW_REQUEST:
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wimp_open_window(&block.open);
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break;
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case wimp_CLOSE_WINDOW_REQUEST:
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wimp_close_down(task);
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return;
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}
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}
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}
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size_t write_data(void * data, size_t size, size_t nmemb, htmlParserCtxt * parser_context)
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{
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fprintf(stderr, "%i\n", size * nmemb);
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htmlParseChunk(parser_context, data, size * nmemb, 0);
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return size * nmemb;
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}
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int main(int argc, char *argv[])
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{
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struct css_stylesheet * stylesheet;
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struct css_style * style = xcalloc(1, sizeof(struct css_style));
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struct css_selector * selector = xcalloc(1, sizeof(struct css_selector));
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xmlNode * c;
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xmlDoc * doc;
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struct box * doc_box = xcalloc(1, sizeof(struct box));
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struct box * html_box;
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char * f;
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CURL * curl;
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htmlParserCtxt * parser_context;
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if (argc < 3) die("usage: render htmlfile cssfile");
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parser_context = htmlCreatePushParserCtxt(0, 0, "", 0, argv[1],
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XML_CHAR_ENCODING_8859_1);
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if (parser_context == 0) die("htmlCreatePushParserCtxt failed");
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fprintf(stderr, "Fetching %s...\n", argv[1]);
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curl = curl_easy_init();
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if (curl == 0) die("curl_easy_init failed");
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curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, parser_context);
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curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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htmlParseChunk(parser_context, "", 0, 1);
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doc = parser_context->myDoc;
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/* fprintf(stderr, "Parsing html...\n");
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doc = htmlParseFile(argv[1], 0);
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if (doc == 0) die("htmlParseFile failed");*/
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for (c = doc->children; c != 0 && c->type != XML_ELEMENT_NODE; c = c->next)
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;
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if (c == 0) die("no element in document");
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if (strcmp((const char *) c->name, "html")) die("document is not html");
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fprintf(stderr, "Parsing css...\n");
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f = load(argv[2]);
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stylesheet = css_new_stylesheet();
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css_parse_stylesheet(stylesheet, f);
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/* css_dump_stylesheet(stylesheet);*/
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font = font_find_font("Homerton.Medium", 192, 192, 0, 0, 0, 0);
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memcpy(style, &css_base_style, sizeof(struct css_style));
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doc_box->type = BOX_BLOCK;
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doc_box->node = c;
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fprintf(stderr, "XML tree to box tree...\n");
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xml_to_box(c, style, stylesheet, &selector, 0, doc_box, 0);
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html_box = doc_box->children;
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box_dump(html_box, 0);
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fprintf(stderr, "Layout document...\n");
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layout_document(html_box, 600);
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box_dump(html_box, 0);
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/* render_plain(html_box);*/
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fprintf(stderr, "Rendering...\n");
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render_window(html_box);
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font_lose_font(font);
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return 0;
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}
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/******************************************************************************/
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