mirror of
https://github.com/netsurf-browser/netsurf
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203b3289b8
- Add same test in corresponding header file (if there is one) - riscos/uri.c: include riscos/uri.h and have function definitions matching the declarations. - Disable PDF debug logging. svn path=/trunk/netsurf/; revision=4769
129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/*
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* Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Content for image/x-drawfile (RISC OS implementation).
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*
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* The DrawFile module is used to plot the DrawFile.
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*/
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#include "utils/config.h"
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#ifdef WITH_DRAW
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#include <string.h>
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#include <stdlib.h>
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#include "oslib/drawfile.h"
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#include "utils/config.h"
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#include "desktop/plotters.h"
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#include "content/content.h"
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#include "riscos/draw.h"
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#include "riscos/gui.h"
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#include "utils/utils.h"
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#include "utils/messages.h"
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#include "utils/log.h"
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/**
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* Convert a CONTENT_DRAW for display.
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*
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* No conversion is necessary. We merely read the DrawFile dimensions and
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* bounding box bottom-left.
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*/
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bool draw_convert(struct content *c, int width, int height)
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{
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union content_msg_data msg_data;
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os_box bbox;
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os_error *error;
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/* BBox contents in Draw units (256*OS unit) */
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error = xdrawfile_bbox(0, (drawfile_diagram*)(c->source_data),
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(int) c->source_size, 0, &bbox);
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if (error) {
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LOG(("xdrawfile_bbox: 0x%x: %s",
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error->errnum, error->errmess));
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msg_data.error = error->errmess;
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content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
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return false;
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}
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/* c->width & c->height stored as (OS units/2)
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=> divide by 512 to convert from draw units */
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c->width = ((bbox.x1 - bbox.x0) / 512);
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c->height = ((bbox.y1 - bbox.y0) / 512);
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c->data.draw.x0 = bbox.x0;
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c->data.draw.y0 = bbox.y0;
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c->title = malloc(100);
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if (c->title)
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snprintf(c->title, 100, messages_get("DrawTitle"), c->width,
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c->height, c->source_size);
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c->status = CONTENT_STATUS_DONE;
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/* Done: update status bar */
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content_set_status(c, "");
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return true;
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}
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/**
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* Destroy a CONTENT_DRAW and free all resources it owns.
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*/
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void draw_destroy(struct content *c)
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{
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free(c->title);
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}
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/**
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* Redraw a CONTENT_DRAW.
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*/
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bool draw_redraw(struct content *c, int x, int y,
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int width, int height,
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int clip_x0, int clip_y0, int clip_x1, int clip_y1,
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float scale, colour background_colour)
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{
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os_error *error;
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os_trfm matrix;
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if (plot.flush && !plot.flush())
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return false;
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/* Scaled image. Transform units (65536*OS units) */
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matrix.entries[0][0] = width * 65536 / c->width;
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matrix.entries[0][1] = 0;
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matrix.entries[1][0] = 0;
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matrix.entries[1][1] = height * 65536 / c->height;
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/* Draw units. (x,y) = bottom left */
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matrix.entries[2][0] = ro_plot_origin_x * 256 + x * 512 -
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c->data.draw.x0 * width / c->width;
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matrix.entries[2][1] = ro_plot_origin_y * 256 - (y + height) * 512 -
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c->data.draw.y0 * height / c->height;
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error = xdrawfile_render(0, (drawfile_diagram*)(c->source_data),
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(int)c->source_size, &matrix, 0, 0);
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if (error) {
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LOG(("xdrawfile_render: 0x%x: %s",
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error->errnum, error->errmess));
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return false;
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}
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return true;
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}
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#endif
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