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author | Vincent Sanders <vince@kyllikki.org> | 2016-05-05 22:28:51 +0100 |
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committer | Vincent Sanders <vince@kyllikki.org> | 2016-05-15 13:44:34 +0100 |
commit | d21447d096a320a08b3efb2b8768fad0dcdcfd64 (patch) | |
tree | 1a83814b7c9e94b2f13c473261f23dd3a17dee64 /frontends/amiga/dt_picture.c | |
parent | 2cbb337756d9af5bda4d594964d446439f602551 (diff) | |
download | netsurf-d21447d096a320a08b3efb2b8768fad0dcdcfd64.tar.gz netsurf-d21447d096a320a08b3efb2b8768fad0dcdcfd64.tar.bz2 |
move frontends into sub directory
Diffstat (limited to 'frontends/amiga/dt_picture.c')
-rw-r--r-- | frontends/amiga/dt_picture.c | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/frontends/amiga/dt_picture.c b/frontends/amiga/dt_picture.c new file mode 100644 index 000000000..aa2418dca --- /dev/null +++ b/frontends/amiga/dt_picture.c @@ -0,0 +1,294 @@ +/* + * Copyright 2011 - 2012 Chris Young <chris@unsatisfactorysoftware.co.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 + * DataTypes picture handler (implementation) +*/ + +#ifdef WITH_AMIGA_DATATYPES +#include "amiga/os3support.h" + +#include <stdbool.h> +#include <stdlib.h> +#include <proto/datatypes.h> +#include <proto/dos.h> +#include <proto/intuition.h> +#include <datatypes/pictureclass.h> +#include <intuition/classusr.h> + +#include "utils/log.h" +#include "utils/messages.h" +#include "content/content_protected.h" +#include "desktop/plotters.h" +#include "image/bitmap.h" +#include "image/image_cache.h" + +#include "amiga/bitmap.h" +#include "amiga/filetype.h" +#include "amiga/datatypes.h" + + +static nserror amiga_dt_picture_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); +static bool amiga_dt_picture_convert(struct content *c); +static nserror amiga_dt_picture_clone(const struct content *old, struct content **newc); +static void amiga_dt_picture_destroy(struct content *c); + +static const content_handler amiga_dt_picture_content_handler = { + .create = amiga_dt_picture_create, + .data_complete = amiga_dt_picture_convert, + .destroy = amiga_dt_picture_destroy, + .redraw = image_cache_redraw, + .clone = amiga_dt_picture_clone, + .get_internal = image_cache_get_internal, + .type = image_cache_content_type, + .no_share = false, +}; + +struct amiga_dt_picture_content { + struct content c; + Object *dto; +}; + +nserror amiga_dt_picture_init(void) +{ + struct DataType *dt, *prevdt = NULL; + lwc_string *type; + nserror error; + struct Node *node = NULL; + + while((dt = ObtainDataType(DTST_RAM, NULL, + DTA_DataType, prevdt, + DTA_GroupID, GID_PICTURE, // we only support images for now + TAG_DONE)) != NULL) + { + if(prevdt) ReleaseDataType(prevdt); + prevdt = dt; + + do { + node = ami_mime_from_datatype(dt, &type, node); + + if(node) + { + error = content_factory_register_handler( + lwc_string_data(type), + &amiga_dt_picture_content_handler); + + if (error != NSERROR_OK) + return error; + } + + }while (node != NULL); + + } + + ReleaseDataType(prevdt); + + return NSERROR_OK; +} + +nserror amiga_dt_picture_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) +{ + struct amiga_dt_picture_content *adt; + nserror error; + + adt = calloc(1, sizeof(struct amiga_dt_picture_content)); + if (adt == NULL) + return NSERROR_NOMEM; + + error = content__init((struct content *)adt, handler, imime_type, params, + llcache, fallback_charset, quirks); + if (error != NSERROR_OK) { + free(adt); + return error; + } + + *c = (struct content *)adt; + + return NSERROR_OK; +} + +static Object *amiga_dt_picture_newdtobject(struct amiga_dt_picture_content *adt) +{ + const uint8 *data; + ULONG size; + + if(adt->dto == NULL) { + data = (uint8 *)content__get_source_data((struct content *)adt, &size); + + adt->dto = NewDTObject(NULL, + DTA_SourceType, DTST_MEMORY, + DTA_SourceAddress, data, + DTA_SourceSize, size, + DTA_GroupID, GID_PICTURE, + PDTA_DestMode, PMODE_V43, + PDTA_PromoteMask, TRUE, + TAG_DONE); + } + + return adt->dto; +} + +static char *amiga_dt_picture_datatype(struct content *c) +{ + const uint8 *data; + ULONG size; + struct DataType *dt; + char *filetype = NULL; + + data = (uint8 *)content__get_source_data(c, &size); + + if((dt = ObtainDataType(DTST_MEMORY, NULL, + DTA_SourceAddress, data, + DTA_SourceSize, size, + DTA_GroupID, GID_PICTURE, + TAG_DONE))) { + filetype = strdup(dt->dtn_Header->dth_Name); + ReleaseDataType(dt); + } + + if(filetype == NULL) filetype = strdup("DataTypes"); + return filetype; +} + +static struct bitmap *amiga_dt_picture_cache_convert(struct content *c) +{ + LOG("amiga_dt_picture_cache_convert"); + + union content_msg_data msg_data; + UBYTE *bm_buffer; + Object *dto; + struct bitmap *bitmap; + struct amiga_dt_picture_content *adt = (struct amiga_dt_picture_content *)c; + + if((dto = amiga_dt_picture_newdtobject(adt))) + { + bitmap = amiga_bitmap_create(c->width, c->height, BITMAP_NEW); + if (!bitmap) { + msg_data.error = messages_get("NoMemory"); + content_broadcast(c, CONTENT_MSG_ERROR, msg_data); + return NULL; + } + + bm_buffer = amiga_bitmap_get_buffer(bitmap); + + IDoMethod(dto, PDTM_READPIXELARRAY, + bm_buffer, PBPAFMT_RGBA, + amiga_bitmap_get_rowstride(bitmap), + 0, 0, c->width, c->height); + + amiga_bitmap_set_opaque(bitmap, amiga_bitmap_test_opaque(bitmap)); + + DisposeDTObject(dto); + adt->dto = NULL; + } + else return NULL; + + return bitmap; +} + +bool amiga_dt_picture_convert(struct content *c) +{ + LOG("amiga_dt_picture_convert"); + + int width, height; + char *title; + Object *dto; + struct BitMapHeader *bmh; + char *filetype; + + if((dto = amiga_dt_picture_newdtobject((struct amiga_dt_picture_content *)c))) { + if(GetDTAttrs(dto, PDTA_BitMapHeader, &bmh, TAG_DONE)) { + width = (int)bmh->bmh_Width; + height = (int)bmh->bmh_Height; + } + else return false; + } + else return false; + + c->width = width; + c->height = height; + c->size = width * height * 4; + + /* set title text */ + if((filetype = amiga_dt_picture_datatype(c))) { + title = messages_get_buff("DataTypesTitle", + nsurl_access_leaf(llcache_handle_get_url(c->llcache)), + filetype, c->width, c->height); + if (title != NULL) { + content__set_title(c, title); + free(title); + } + free(filetype); + } + + image_cache_add(c, NULL, amiga_dt_picture_cache_convert); + + content_set_ready(c); + content_set_done(c); + content_set_status(c, ""); + return true; +} + +nserror amiga_dt_picture_clone(const struct content *old, struct content **newc) +{ + struct content *adt; + nserror error; + + LOG("amiga_dt_picture_clone"); + + adt = calloc(1, sizeof(struct content)); + if (adt == NULL) + return NSERROR_NOMEM; + + error = content__clone(old, adt); + if (error != NSERROR_OK) { + content_destroy(adt); + return error; + } + + /* We "clone" the old content by replaying conversion */ + if ((old->status == CONTENT_STATUS_READY) || + (old->status == CONTENT_STATUS_DONE)) { + if (amiga_dt_picture_convert(adt) == false) { + content_destroy(adt); + return NSERROR_CLONE_FAILED; + } + } + + *newc = adt; + + return NSERROR_OK; +} + +static void amiga_dt_picture_destroy(struct content *c) +{ + struct amiga_dt_picture_content *adt = (struct amiga_dt_picture_content *)c; + + DisposeDTObject(adt->dto); + adt->dto = NULL; + + image_cache_destroy(c); +} + +#endif |