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author | Michael Drake <tlsa@netsurf-browser.org> | 2011-05-09 09:57:40 +0000 |
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committer | Michael Drake <tlsa@netsurf-browser.org> | 2011-05-09 09:57:40 +0000 |
commit | 2ec96e508c0c1a0b47ea2cfb89a50e5831567cd1 (patch) | |
tree | 172bd3bb1d859f8cb61cf12156ea5e4c60778422 /riscos/draw.c | |
parent | 044018739bafc655f400039c84b7e912ae721c8a (diff) | |
download | netsurf-2ec96e508c0c1a0b47ea2cfb89a50e5831567cd1.tar.gz netsurf-2ec96e508c0c1a0b47ea2cfb89a50e5831567cd1.tar.bz2 |
Put RISC OS filetype content handlers in their own directory.
svn path=/trunk/netsurf/; revision=12336
Diffstat (limited to 'riscos/draw.c')
-rw-r--r-- | riscos/draw.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/riscos/draw.c b/riscos/draw.c deleted file mode 100644 index 215070860..000000000 --- a/riscos/draw.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk> - * - * 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/>. - */ - -/** \file - * Content for image/x-drawfile (RISC OS implementation). - * - * The DrawFile module is used to plot the DrawFile. - */ - -#include "utils/config.h" -#ifdef WITH_DRAW - -#include <string.h> -#include <stdlib.h> -#include "oslib/drawfile.h" -#include "utils/config.h" -#include "content/content_protected.h" -#include "desktop/plotters.h" -#include "riscos/draw.h" -#include "riscos/gui.h" -#include "utils/log.h" -#include "utils/messages.h" -#include "utils/talloc.h" -#include "utils/utils.h" - -typedef struct draw_content { - struct content base; - - int x0, y0; -} draw_content; - -static nserror draw_create(const content_handler *handler, - lwc_string *imime_type, const http_parameter *params, - llcache_handle *llcache, const char *fallback_charset, - bool quirks, struct content **c); -static bool draw_convert(struct content *c); -static void draw_destroy(struct content *c); -static bool draw_redraw(struct content *c, int x, int y, - int width, int height, const struct rect *clip, - float scale, colour background_colour, - bool repeat_x, bool repeat_y); -static nserror draw_clone(const struct content *old, struct content **newc); -static content_type draw_content_type(lwc_string *mime_type); - -static const content_handler draw_content_handler = { - draw_create, - NULL, - draw_convert, - NULL, - draw_destroy, - NULL, - NULL, - NULL, - draw_redraw, - NULL, - NULL, - draw_clone, - NULL, - draw_content_type, - false -}; - -static const char *draw_types[] = { - "application/drawfile", - "application/x-drawfile", - "image/drawfile", - "image/x-drawfile" -}; - -static lwc_string *draw_mime_types[NOF_ELEMENTS(draw_types)]; - -nserror draw_init(void) -{ - uint32_t i; - lwc_error lerror; - nserror error; - - for (i = 0; i < NOF_ELEMENTS(draw_mime_types); i++) { - lerror = lwc_intern_string(draw_types[i], - strlen(draw_types[i]), - &draw_mime_types[i]); - if (lerror != lwc_error_ok) { - error = NSERROR_NOMEM; - goto error; - } - - error = content_factory_register_handler(draw_mime_types[i], - &draw_content_handler); - if (error != NSERROR_OK) - goto error; - } - - return NSERROR_OK; - -error: - draw_fini(); - - return error; -} - -void draw_fini(void) -{ - uint32_t i; - - for (i = 0; i < NOF_ELEMENTS(draw_mime_types); i++) { - if (draw_mime_types[i] != NULL) - lwc_string_unref(draw_mime_types[i]); - } -} - -nserror draw_create(const content_handler *handler, - lwc_string *imime_type, const http_parameter *params, - llcache_handle *llcache, const char *fallback_charset, - bool quirks, struct content **c) -{ - draw_content *draw; - nserror error; - - draw = talloc_zero(0, draw_content); - if (draw == NULL) - return NSERROR_NOMEM; - - error = content__init(&draw->base, handler, imime_type, params, - llcache, fallback_charset, quirks); - if (error != NSERROR_OK) { - talloc_free(draw); - return error; - } - - *c = (struct content *) draw; - - return NSERROR_OK; -} - -/** - * Convert a CONTENT_DRAW for display. - * - * No conversion is necessary. We merely read the DrawFile dimensions and - * bounding box bottom-left. - */ - -bool draw_convert(struct content *c) -{ - draw_content *draw = (draw_content *) c; - union content_msg_data msg_data; - const char *source_data; - unsigned long source_size; - const void *data; - os_box bbox; - os_error *error; - char title[100]; - - source_data = content__get_source_data(c, &source_size); - data = source_data; - - /* BBox contents in Draw units (256*OS unit) */ - error = xdrawfile_bbox(0, (drawfile_diagram *) data, - (int) source_size, 0, &bbox); - if (error) { - LOG(("xdrawfile_bbox: 0x%x: %s", - error->errnum, error->errmess)); - msg_data.error = error->errmess; - content_broadcast(c, CONTENT_MSG_ERROR, msg_data); - return false; - } - - if (bbox.x1 > bbox.x0 && bbox.y1 > bbox.y0) { - /* c->width & c->height stored as (OS units/2) - => divide by 512 to convert from draw units */ - c->width = ((bbox.x1 - bbox.x0) / 512); - c->height = ((bbox.y1 - bbox.y0) / 512); - } - else - /* invalid/undefined bounding box */ - c->height = c->width = 0; - - draw->x0 = bbox.x0; - draw->y0 = bbox.y0; - snprintf(title, sizeof(title), messages_get("DrawTitle"), c->width, - c->height, source_size); - content__set_title(c, title); - - content_set_ready(c); - content_set_done(c); - /* Done: update status bar */ - content_set_status(c, ""); - return true; -} - - -/** - * Destroy a CONTENT_DRAW and free all resources it owns. - */ - -void draw_destroy(struct content *c) -{ -} - - -/** - * Redraw a CONTENT_DRAW. - */ - -bool draw_redraw(struct content *c, int x, int y, - int width, int height, const struct rect *clip, - float scale, colour background_colour, - bool repeat_x, bool repeat_y) -{ - draw_content *draw = (draw_content *) c; - os_trfm matrix; - const char *source_data; - unsigned long source_size; - const void *data; - os_error *error; - - if (plot.flush && !plot.flush()) - return false; - - if (!c->width || !c->height) - return false; - - source_data = content__get_source_data(c, &source_size); - data = source_data; - - /* Scaled image. Transform units (65536*OS units) */ - matrix.entries[0][0] = width * 65536 / c->width; - matrix.entries[0][1] = 0; - matrix.entries[1][0] = 0; - matrix.entries[1][1] = height * 65536 / c->height; - /* Draw units. (x,y) = bottom left */ - matrix.entries[2][0] = ro_plot_origin_x * 256 + x * 512 - - draw->x0 * width / c->width; - matrix.entries[2][1] = ro_plot_origin_y * 256 - (y + height) * 512 - - draw->y0 * height / c->height; - - error = xdrawfile_render(0, (drawfile_diagram *) data, - (int) source_size, &matrix, 0, 0); - if (error) { - LOG(("xdrawfile_render: 0x%x: %s", - error->errnum, error->errmess)); - return false; - } - - return true; -} - -/** - * Clone a CONTENT_DRAW - */ - -nserror draw_clone(const struct content *old, struct content **newc) -{ - draw_content *draw; - nserror error; - - draw = talloc_zero(0, draw_content); - if (draw == NULL) - return NSERROR_NOMEM; - - error = content__clone(old, &draw->base); - if (error != NSERROR_OK) { - content_destroy(&draw->base); - return error; - } - - /* Simply rerun convert */ - if (old->status == CONTENT_STATUS_READY || - old->status == CONTENT_STATUS_DONE) { - if (draw_convert(&draw->base) == false) { - content_destroy(&draw->base); - return NSERROR_CLONE_FAILED; - } - } - - *newc = (struct content *) draw; - - return NSERROR_OK; -} - -content_type draw_content_type(lwc_string *mime_type) -{ - return CONTENT_IMAGE; -} - -#endif |