mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-03 03:11:57 +03:00
6807b4208a
NetSurf includes are now done with ""s and other system includes with <>s as C intended. The scandeps tool has been updated to only look for ""ed includes, and to verify that the files exist in the tree before adding them to the dependency lines. The depend rule has therefore been augmented to make sure the autogenerated files are built before it is run. This is untested under self-hosted RISC OS builds. All else tested and works. svn path=/trunk/netsurf/; revision=3307
116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
/*
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* This file is part of NetSurf, http://netsurf-browser.org/
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* Licensed under the GNU General Public License,
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* http://www.opensource.org/licenses/gpl-license
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* Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk>
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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 <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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#ifdef WITH_DRAW
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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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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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