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-rw-r--r--frontends/amiga/dt_picture.c294
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diff --git a/frontends/amiga/dt_picture.c b/frontends/amiga/dt_picture.c
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+/*
+ * 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