diff options
Diffstat (limited to 'image/ico.c')
-rw-r--r-- | image/ico.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/image/ico.c b/image/ico.c deleted file mode 100644 index 5f453bc9e..000000000 --- a/image/ico.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * Copyright 2006 Richard Wilson <info@tinct.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/>. - */ - -/** \file - * Content for image/ico (implementation) - */ - -#include <stdbool.h> -#include <stdlib.h> -#include <libnsbmp.h> - -#include "utils/utils.h" -#include "utils/log.h" -#include "utils/messages.h" -#include "content/content_protected.h" -#include "desktop/gui_internal.h" - -#include "image/image.h" -#include "image/bitmap.h" -#include "image/ico.h" - -typedef struct nsico_content { - struct content base; - - struct ico_collection *ico; /** ICO collection data */ - -} nsico_content; - -/** - * Callback for libnsbmp; forwards the call to bitmap_create() - * - * \param width width of image in pixels - * \param height width of image in pixels - * \param bmp_state A flag word indicating the initial state - * \return an opaque struct bitmap, or NULL on memory exhaustion - */ -static void *nsico_bitmap_create(int width, int height, unsigned int bmp_state) -{ - unsigned int bitmap_state = BITMAP_NEW; - - /* set bitmap state based on bmp state */ - bitmap_state |= (bmp_state & BMP_OPAQUE) ? BITMAP_OPAQUE : 0; - bitmap_state |= (bmp_state & BMP_CLEAR_MEMORY) ? - BITMAP_CLEAR_MEMORY : 0; - - /* return the created bitmap */ - return guit->bitmap->create(width, height, bitmap_state); -} - -static nserror nsico_create_ico_data(nsico_content *c) -{ - union content_msg_data msg_data; - bmp_bitmap_callback_vt bmp_bitmap_callbacks = { - .bitmap_create = nsico_bitmap_create, - .bitmap_destroy = guit->bitmap->destroy, - .bitmap_get_buffer = guit->bitmap->get_buffer, - .bitmap_get_bpp = guit->bitmap->get_bpp - }; - - c->ico = calloc(sizeof(ico_collection), 1); - if (c->ico == NULL) { - msg_data.error = messages_get("NoMemory"); - content_broadcast(&c->base, CONTENT_MSG_ERROR, msg_data); - return NSERROR_NOMEM; - } - ico_collection_create(c->ico, &bmp_bitmap_callbacks); - return NSERROR_OK; -} - - -static nserror nsico_create(const content_handler *handler, - lwc_string *imime_type, const struct http_parameter *params, - llcache_handle *llcache, const char *fallback_charset, - bool quirks, struct content **c) -{ - nsico_content *result; - nserror error; - - result = calloc(1, sizeof(nsico_content)); - if (result == NULL) - return NSERROR_NOMEM; - - error = content__init(&result->base, handler, imime_type, params, - llcache, fallback_charset, quirks); - if (error != NSERROR_OK) { - free(result); - return error; - } - - error = nsico_create_ico_data(result); - if (error != NSERROR_OK) { - free(result); - return error; - } - - *c = (struct content *) result; - - return NSERROR_OK; -} - - - -static bool nsico_convert(struct content *c) -{ - nsico_content *ico = (nsico_content *) c; - struct bmp_image *bmp; - bmp_result res; - union content_msg_data msg_data; - const char *data; - unsigned long size; - char *title; - - /* set the ico data */ - data = content__get_source_data(c, &size); - - /* analyse the ico */ - res = ico_analyse(ico->ico, size, (unsigned char *) data); - - switch (res) { - case BMP_OK: - break; - case BMP_INSUFFICIENT_MEMORY: - msg_data.error = messages_get("NoMemory"); - content_broadcast(c, CONTENT_MSG_ERROR, msg_data); - return false; - case BMP_INSUFFICIENT_DATA: - case BMP_DATA_ERROR: - msg_data.error = messages_get("BadICO"); - content_broadcast(c, CONTENT_MSG_ERROR, msg_data); - return false; - } - - /* Store our content width, height and calculate size */ - c->width = ico->ico->width; - c->height = ico->ico->height; - c->size += (ico->ico->width * ico->ico->height * 4) + 16 + 44; - - /* set title text */ - title = messages_get_buff("ICOTitle", - nsurl_access_leaf(llcache_handle_get_url(c->llcache)), - c->width, c->height); - if (title != NULL) { - content__set_title(c, title); - free(title); - } - - /* select largest icon to ensure one can be selected */ - bmp = ico_find(ico->ico, 255, 255); - if (bmp == NULL) { - /* return error */ - LOG("Failed to select icon"); - return false; - } - - content_set_ready(c); - content_set_done(c); - - /* Done: update status bar */ - content_set_status(c, ""); - return true; -} - - -static bool nsico_redraw(struct content *c, struct content_redraw_data *data, - const struct rect *clip, const struct redraw_context *ctx) -{ - nsico_content *ico = (nsico_content *)c; - struct bmp_image *bmp; - - /* select most appropriate sized icon for size */ - bmp = ico_find(ico->ico, data->width, data->height); - if (bmp == NULL) { - /* return error */ - LOG("Failed to select icon"); - return false; - } - - /* ensure its decided */ - if (bmp->decoded == false) { - if (bmp_decode(bmp) != BMP_OK) { - return false; - } else { - LOG("Decoding bitmap"); - guit->bitmap->modified(bmp->bitmap); - } - - } - - return image_bitmap_plot(bmp->bitmap, data, clip, ctx); -} - - -static void nsico_destroy(struct content *c) -{ - nsico_content *ico = (nsico_content *) c; - - ico_finalise(ico->ico); - free(ico->ico); -} - -static nserror nsico_clone(const struct content *old, struct content **newc) -{ - nsico_content *ico; - nserror error; - - ico = calloc(1, sizeof(nsico_content)); - if (ico == NULL) - return NSERROR_NOMEM; - - error = content__clone(old, &ico->base); - if (error != NSERROR_OK) { - content_destroy(&ico->base); - return error; - } - - /* Simply replay creation and conversion */ - error = nsico_create_ico_data(ico); - if (error != NSERROR_OK) { - content_destroy(&ico->base); - return error; - } - - if (old->status == CONTENT_STATUS_READY || - old->status == CONTENT_STATUS_DONE) { - if (nsico_convert(&ico->base) == false) { - content_destroy(&ico->base); - return NSERROR_CLONE_FAILED; - } - } - - *newc = (struct content *) ico; - - return NSERROR_OK; -} - -static void *nsico_get_internal(const struct content *c, void *context) -{ - nsico_content *ico = (nsico_content *) c; - /* TODO: Pick best size for purpose. - * Currently assumes it's for a URL bar. */ - struct bmp_image *bmp; - - bmp = ico_find(ico->ico, 16, 16); - if (bmp == NULL) { - /* return error */ - LOG("Failed to select icon"); - return NULL; - } - - if (bmp->decoded == false) { - if (bmp_decode(bmp) != BMP_OK) { - return NULL; - } else { - guit->bitmap->modified(bmp->bitmap); - } - } - - return bmp->bitmap; -} - -static content_type nsico_content_type(void) -{ - return CONTENT_IMAGE; -} - -static const content_handler nsico_content_handler = { - .create = nsico_create, - .data_complete = nsico_convert, - .destroy = nsico_destroy, - .redraw = nsico_redraw, - .clone = nsico_clone, - .get_internal = nsico_get_internal, - .type = nsico_content_type, - .no_share = false, -}; - -static const char *nsico_types[] = { - "application/ico", - "application/x-ico", - "image/ico", - "image/vnd.microsoft.icon", - "image/x-icon" -}; - -CONTENT_FACTORY_REGISTER_TYPES(nsico, nsico_types, nsico_content_handler); |