diff options
Diffstat (limited to 'amiga/plugin.c')
| -rw-r--r-- | amiga/plugin.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/amiga/plugin.c b/amiga/plugin.c new file mode 100644 index 000000000..b49fe349b --- /dev/null +++ b/amiga/plugin.c @@ -0,0 +1,218 @@ +/* + * 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 + * Temporary "plugin" to pass unknown MIME types to DataTypes (implementation) +*/ + +#ifdef WITH_PLUGIN +#include "amiga/filetype.h" +#include "amiga/gui.h" +#include "amiga/plugin.h" +#include "content/content_protected.h" +#include "desktop/plotters.h" +#include "render/box.h" +#include "utils/log.h" +#include "utils/messages.h" + +#include <proto/datatypes.h> +#include <proto/intuition.h> +#include <datatypes/pictureclass.h> + +bool plugin_create(struct content *c, const struct http_parameter *params) +{ + LOG(("plugin_create")); + + return true; +} + +bool plugin_convert(struct content *c) +{ + LOG(("plugin_convert")); + + 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(c->data.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(c->data.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(c->data.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 plugin_destroy(struct content *c) +{ + LOG(("plugin_destroy")); + + if (c->bitmap != NULL) + bitmap_destroy(c->bitmap); + + DisposeDTObject(c->data.plugin.dto); + + return; +} + +bool plugin_redraw(struct content *c, int x, int y, + int width, int height, const struct rect *clip, + float scale, colour background_colour) +{ + LOG(("plugin_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 index index in page->data.html.object, or 0 if not an object + * \param box box containing c, or 0 if not an object + * \param params object parameters, or 0 if not an object + */ +void plugin_open(struct content *c, struct browser_window *bw, + struct content *page, unsigned int index, struct box *box, + struct object_params *params) +{ + LOG(("plugin_open")); + + return; +} + +void plugin_close(struct content *c) +{ + LOG(("plugin_close")); + return; +} + +void plugin_reformat(struct content *c, int width, int height) +{ + LOG(("plugin_reformat")); + return; +} + +bool plugin_clone(const struct content *old, struct content *new_content) +{ + LOG(("plugin_clone")); + /* We "clone" the old content by replaying creation and conversion */ + if (plugin_create(new_content, NULL) == false) + return false; + + if (old->status == CONTENT_STATUS_READY || + old->status == CONTENT_STATUS_DONE) { + if (plugin_convert(new_content) == false) + return false; + } + + return true; +} + +/** + * Determines whether a content is handleable by a plugin + * + * \param mime_type The mime type of the content + * \return true if the content is handleable, false otherwise + */ +bool plugin_handleable(const char *mime_type) +{ + LOG(("plugin_handleable %s", mime_type)); + + char dt_mime[50]; + struct DataType *dt, *prevdt = NULL; + bool found = false; + + 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)); + + if(strcmp(dt_mime, mime_type) == 0) + { + found = true; + break; + } + } + + ReleaseDataType(prevdt); + + return found; +} + +#endif |