mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-22 22:41:30 +03:00
300 lines
7.2 KiB
C
300 lines
7.2 KiB
C
/*
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* Copyright 2011 - 2012 Chris Young <chris@unsatisfactorysoftware.co.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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* DataTypes picture handler (implementation)
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*/
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#ifdef WITH_AMIGA_DATATYPES
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#include "amiga/os3support.h"
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <proto/datatypes.h>
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#include <proto/dos.h>
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#include <proto/intuition.h>
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#include <datatypes/pictureclass.h>
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#include <intuition/classusr.h>
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#include "utils/log.h"
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#include "utils/messages.h"
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#include "netsurf/plotters.h"
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#include "netsurf/bitmap.h"
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#include "content/llcache.h"
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#include "content/content.h"
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#include "content/content_protected.h"
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#include "content/content_factory.h"
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#include "content/handlers/image/image_cache.h"
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#include "amiga/bitmap.h"
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#include "amiga/filetype.h"
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#include "amiga/datatypes.h"
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static nserror amiga_dt_picture_create(const content_handler *handler,
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lwc_string *imime_type, const struct http_parameter *params,
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llcache_handle *llcache, const char *fallback_charset,
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bool quirks, struct content **c);
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static bool amiga_dt_picture_convert(struct content *c);
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static nserror amiga_dt_picture_clone(const struct content *old, struct content **newc);
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static void amiga_dt_picture_destroy(struct content *c);
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static const content_handler amiga_dt_picture_content_handler = {
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.create = amiga_dt_picture_create,
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.data_complete = amiga_dt_picture_convert,
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.destroy = amiga_dt_picture_destroy,
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.redraw = image_cache_redraw,
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.clone = amiga_dt_picture_clone,
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.get_internal = image_cache_get_internal,
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.type = image_cache_content_type,
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.no_share = false,
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};
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struct amiga_dt_picture_content {
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struct content c;
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Object *dto;
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};
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nserror amiga_dt_picture_init(void)
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{
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struct DataType *dt, *prevdt = NULL;
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lwc_string *type;
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nserror error;
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struct Node *node = NULL;
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while((dt = ObtainDataType(DTST_RAM, NULL,
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DTA_DataType, prevdt,
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DTA_GroupID, GID_PICTURE, // we only support images for now
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TAG_DONE)) != NULL)
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{
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if(prevdt) ReleaseDataType(prevdt);
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prevdt = dt;
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do {
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node = ami_mime_from_datatype(dt, &type, node);
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if(node)
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{
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error = content_factory_register_handler(
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lwc_string_data(type),
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&amiga_dt_picture_content_handler);
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if (error != NSERROR_OK)
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return error;
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}
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}while (node != NULL);
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}
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ReleaseDataType(prevdt);
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return NSERROR_OK;
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}
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nserror amiga_dt_picture_create(const content_handler *handler,
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lwc_string *imime_type, const struct http_parameter *params,
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llcache_handle *llcache, const char *fallback_charset,
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bool quirks, struct content **c)
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{
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struct amiga_dt_picture_content *adt;
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nserror error;
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adt = calloc(1, sizeof(struct amiga_dt_picture_content));
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if (adt == NULL)
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return NSERROR_NOMEM;
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error = content__init((struct content *)adt, handler, imime_type, params,
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llcache, fallback_charset, quirks);
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if (error != NSERROR_OK) {
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free(adt);
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return error;
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}
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*c = (struct content *)adt;
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return NSERROR_OK;
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}
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static Object *amiga_dt_picture_newdtobject(struct amiga_dt_picture_content *adt)
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{
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const uint8_t *data;
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size_t size;
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if(adt->dto == NULL) {
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data = content__get_source_data((struct content *)adt, &size);
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adt->dto = NewDTObject(NULL,
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DTA_SourceType, DTST_MEMORY,
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DTA_SourceAddress, data,
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DTA_SourceSize, size,
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DTA_GroupID, GID_PICTURE,
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PDTA_DestMode, PMODE_V43,
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PDTA_PromoteMask, TRUE,
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TAG_DONE);
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}
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return adt->dto;
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}
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static char *amiga_dt_picture_datatype(struct content *c)
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{
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const uint8_t *data;
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size_t size;
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struct DataType *dt;
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char *filetype = NULL;
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data = content__get_source_data(c, &size);
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if((dt = ObtainDataType(DTST_MEMORY, NULL,
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DTA_SourceAddress, data,
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DTA_SourceSize, size,
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DTA_GroupID, GID_PICTURE,
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TAG_DONE))) {
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filetype = strdup(dt->dtn_Header->dth_Name);
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ReleaseDataType(dt);
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}
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if(filetype == NULL) filetype = strdup("DataTypes");
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return filetype;
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}
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static struct bitmap *amiga_dt_picture_cache_convert(struct content *c)
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{
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NSLOG(netsurf, INFO, "amiga_dt_picture_cache_convert");
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union content_msg_data msg_data;
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UBYTE *bm_buffer;
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Object *dto;
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struct bitmap *bitmap;
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struct amiga_dt_picture_content *adt = (struct amiga_dt_picture_content *)c;
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if((dto = amiga_dt_picture_newdtobject(adt)))
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{
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bitmap = amiga_bitmap_create(c->width, c->height, BITMAP_NONE);
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if (!bitmap) {
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msg_data.errordata.errorcode = NSERROR_NOMEM;
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msg_data.errordata.errormsg = messages_get("NoMemory");
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content_broadcast(c, CONTENT_MSG_ERROR, &msg_data);
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return NULL;
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}
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bm_buffer = amiga_bitmap_get_buffer(bitmap);
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IDoMethod(dto, PDTM_READPIXELARRAY,
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bm_buffer, PBPAFMT_RGBA,
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amiga_bitmap_get_rowstride(bitmap),
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0, 0, c->width, c->height);
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amiga_bitmap_set_opaque(bitmap, bitmap_test_opaque(bitmap));
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DisposeDTObject(dto);
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adt->dto = NULL;
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}
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else return NULL;
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return bitmap;
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}
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bool amiga_dt_picture_convert(struct content *c)
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{
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NSLOG(netsurf, INFO, "amiga_dt_picture_convert");
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int width, height;
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char *title;
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Object *dto;
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struct BitMapHeader *bmh;
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char *filetype;
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if((dto = amiga_dt_picture_newdtobject((struct amiga_dt_picture_content *)c))) {
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if(GetDTAttrs(dto, PDTA_BitMapHeader, &bmh, TAG_DONE)) {
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width = (int)bmh->bmh_Width;
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height = (int)bmh->bmh_Height;
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}
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else return false;
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}
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else return false;
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c->width = width;
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c->height = height;
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c->size = width * height * 4;
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/* set title text */
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if((filetype = amiga_dt_picture_datatype(c))) {
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title = messages_get_buff("DataTypesTitle",
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nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
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filetype, c->width, c->height);
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if (title != NULL) {
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content__set_title(c, title);
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free(title);
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}
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free(filetype);
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}
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image_cache_add(c, NULL, amiga_dt_picture_cache_convert);
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content_set_ready(c);
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content_set_done(c);
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content_set_status(c, "");
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return true;
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}
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nserror amiga_dt_picture_clone(const struct content *old, struct content **newc)
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{
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struct content *adt;
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nserror error;
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NSLOG(netsurf, INFO, "amiga_dt_picture_clone");
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adt = calloc(1, sizeof(struct content));
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if (adt == NULL)
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return NSERROR_NOMEM;
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error = content__clone(old, adt);
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if (error != NSERROR_OK) {
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content_destroy(adt);
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return error;
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}
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/* We "clone" the old content by replaying conversion */
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if ((old->status == CONTENT_STATUS_READY) ||
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(old->status == CONTENT_STATUS_DONE)) {
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if (amiga_dt_picture_convert(adt) == false) {
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content_destroy(adt);
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return NSERROR_CLONE_FAILED;
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}
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}
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*newc = adt;
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return NSERROR_OK;
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}
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static void amiga_dt_picture_destroy(struct content *c)
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{
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struct amiga_dt_picture_content *adt = (struct amiga_dt_picture_content *)c;
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DisposeDTObject(adt->dto);
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adt->dto = NULL;
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image_cache_destroy(c);
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}
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#endif
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