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-rw-r--r--amiga/dt_picture.c312
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diff --git a/amiga/dt_picture.c b/amiga/dt_picture.c
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index 000000000..315b3f2e1
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+++ b/amiga/dt_picture.c
@@ -0,0 +1,312 @@
+/*
+ * Copyright 2011 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/filetype.h"
+#include "amiga/gui.h"
+#include "amiga/datatypes.h"
+#include "content/content_protected.h"
+#include "desktop/plotters.h"
+#include "image/bitmap.h"
+#include "render/box.h"
+#include "utils/log.h"
+#include "utils/messages.h"
+#include "utils/talloc.h"
+
+#include <proto/datatypes.h>
+#include <proto/intuition.h>
+#include <datatypes/pictureclass.h>
+#include <intuition/classusr.h>
+
+typedef struct amiga_dt_picture_content {
+ struct content base;
+
+ Object *dto;
+ int x;
+ int y;
+ int w;
+ int h;
+} amiga_dt_picture_content;
+
+static nserror amiga_dt_picture_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 amiga_dt_picture_convert(struct content *c);
+static void amiga_dt_picture_reformat(struct content *c, int width, int height);
+static void amiga_dt_picture_destroy(struct content *c);
+static bool amiga_dt_picture_redraw(struct content *c, int x, int y,
+ int width, int height, const struct rect *clip,
+ float scale, colour background_colour);
+static void amiga_dt_picture_open(struct content *c, struct browser_window *bw,
+ struct content *page, struct box *box,
+ struct object_params *params);
+static void amiga_dt_picture_close(struct content *c);
+static nserror amiga_dt_picture_clone(const struct content *old, struct content **newc);
+static content_type amiga_dt_picture_content_type(lwc_string *mime_type);
+
+static const content_handler amiga_dt_picture_content_handler = {
+ amiga_dt_picture_create,
+ NULL,
+ amiga_dt_picture_convert,
+ amiga_dt_picture_reformat,
+ amiga_dt_picture_destroy,
+ NULL,
+ NULL,
+ NULL,
+ amiga_dt_picture_redraw,
+ NULL,
+ amiga_dt_picture_open,
+ amiga_dt_picture_close,
+ amiga_dt_picture_clone,
+ NULL,
+ amiga_dt_picture_content_type,
+ false
+};
+
+nserror amiga_dt_picture_init(void)
+{
+ char dt_mime[50];
+ struct DataType *dt, *prevdt = NULL;
+ lwc_string *type;
+ lwc_error lerror;
+ nserror error;
+
+ while((dt = ObtainDataType(DTST_RAM, NULL,
+ DTA_DataType, prevdt,
+ DTA_GroupID, GID_PICTURE, // we only support images for now
+ TAG_DONE)) != NULL)
+ {
+ ReleaseDataType(prevdt);
+ prevdt = dt;
+ ami_datatype_to_mimetype(dt, dt_mime);
+
+ LOG(("Guessed MIME from DT: %s", dt_mime));
+
+ lerror = lwc_intern_string(dt_mime, strlen(dt_mime), &type);
+ if (lerror != lwc_error_ok)
+ return NSERROR_NOMEM;
+
+ error = content_factory_register_handler(type,
+ &amiga_dt_picture_content_handler);
+
+ lwc_string_unref(type);
+
+ if (error != NSERROR_OK)
+ return error;
+
+ }
+
+ ReleaseDataType(prevdt);
+
+ return NSERROR_OK;
+}
+
+void amiga_dt_picture_fini(void)
+{
+ /* Nothing to do */
+}
+
+nserror amiga_dt_picture_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)
+{
+ amiga_dt_picture_content *plugin;
+ nserror error;
+
+ plugin = talloc_zero(0, amiga_dt_picture_content);
+ if (plugin == NULL)
+ return NSERROR_NOMEM;
+
+ error = content__init(&plugin->base, handler, imime_type, params,
+ llcache, fallback_charset, quirks);
+ if (error != NSERROR_OK) {
+ talloc_free(plugin);
+ return error;
+ }
+
+ *c = (struct content *) plugin;
+
+ return NSERROR_OK;
+}
+
+bool amiga_dt_picture_convert(struct content *c)
+{
+ LOG(("amiga_dt_picture_convert"));
+
+ amiga_dt_picture_content *plugin = (amiga_dt_picture_content *) c;
+ union content_msg_data msg_data;
+ int width, height;
+ char title[100];
+ const uint8 *data;
+ UBYTE *bm_buffer;
+ ULONG size;
+ Object *dto;
+ struct BitMapHeader *bmh;
+ unsigned int bm_flags = BITMAP_NEW;
+ int bm_format = PBPAFMT_RGBA;
+
+ /* This is only relevant for picture datatypes... */
+
+ data = (uint8 *)content__get_source_data(c, &size);
+
+ if(plugin->dto = NewDTObject(NULL,
+ DTA_SourceType, DTST_MEMORY,
+ DTA_SourceAddress, data,
+ DTA_SourceSize, size,
+ DTA_GroupID, GID_PICTURE,
+ PDTA_DestMode, PMODE_V43,
+ TAG_DONE))
+ {
+ if(GetDTAttrs(plugin->dto, PDTA_BitMapHeader, &bmh, TAG_DONE))
+ {
+ width = (int)bmh->bmh_Width;
+ height = (int)bmh->bmh_Height;
+
+ c->bitmap = bitmap_create(width, height, bm_flags);
+ if (!c->bitmap) {
+ msg_data.error = messages_get("NoMemory");
+ content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
+ return false;
+ }
+
+ bm_buffer = bitmap_get_buffer(c->bitmap);
+
+ IDoMethod(plugin->dto, PDTM_READPIXELARRAY,
+ bm_buffer, bm_format, bitmap_get_rowstride(c->bitmap),
+ 0, 0, width, height);
+ }
+ else return false;
+ }
+ else return false;
+
+ c->width = width;
+ c->height = height;
+
+/*
+ snprintf(title, sizeof(title), "image (%lux%lu, %lu bytes)",
+ width, height, size);
+ content__set_title(c, title);
+*/
+
+ bitmap_modified(c->bitmap);
+
+ content_set_ready(c);
+ content_set_done(c);
+
+ content_set_status(c, "");
+ return true;
+}
+
+void amiga_dt_picture_destroy(struct content *c)
+{
+ amiga_dt_picture_content *plugin = (amiga_dt_picture_content *) c;
+
+ LOG(("amiga_dt_picture_destroy"));
+
+ if (c->bitmap != NULL)
+ bitmap_destroy(c->bitmap);
+
+ DisposeDTObject(plugin->dto);
+
+ return;
+}
+
+bool amiga_dt_picture_redraw(struct content *c, int x, int y,
+ int width, int height, const struct rect *clip,
+ float scale, colour background_colour)
+{
+ LOG(("amiga_dt_picture_redraw"));
+
+ return plot.bitmap(x, y, width, height,
+ c->bitmap, background_colour, BITMAPF_NONE);
+}
+
+/**
+ * Handle a window containing a CONTENT_PLUGIN being opened.
+ *
+ * \param c content that has been opened
+ * \param bw browser window containing the content
+ * \param page content of type CONTENT_HTML containing c, or 0 if not an
+ * object within a page
+ * \param box box containing c, or 0 if not an object
+ * \param params object parameters, or 0 if not an object
+ */
+void amiga_dt_picture_open(struct content *c, struct browser_window *bw,
+ struct content *page, struct box *box,
+ struct object_params *params)
+{
+ LOG(("amiga_dt_picture_open"));
+
+ return;
+}
+
+void amiga_dt_picture_close(struct content *c)
+{
+ LOG(("amiga_dt_picture_close"));
+ return;
+}
+
+void amiga_dt_picture_reformat(struct content *c, int width, int height)
+{
+ LOG(("amiga_dt_picture_reformat"));
+ return;
+}
+
+nserror amiga_dt_picture_clone(const struct content *old, struct content **newc)
+{
+ amiga_dt_picture_content *plugin;
+ nserror error;
+
+ LOG(("amiga_dt_picture_clone"));
+
+ plugin = talloc_zero(0, amiga_dt_picture_content);
+ if (plugin == NULL)
+ return NSERROR_NOMEM;
+
+ error = content__clone(old, &plugin->base);
+ if (error != NSERROR_OK) {
+ content_destroy(&plugin->base);
+ 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(&plugin->base) == false) {
+ content_destroy(&plugin->base);
+ return NSERROR_CLONE_FAILED;
+ }
+ }
+
+ *newc = (struct content *) plugin;
+
+ return NSERROR_OK;
+}
+
+content_type amiga_dt_picture_content_type(lwc_string *mime_type)
+{
+ return CONTENT_IMAGE;
+}
+
+#endif