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author | Chris Young <chris@unsatisfactorysoftware.co.uk> | 2011-05-06 22:42:37 +0000 |
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committer | Chris Young <chris@unsatisfactorysoftware.co.uk> | 2011-05-06 22:42:37 +0000 |
commit | 208363fe2a8a519915123d80f3ca02452aa76eb3 (patch) | |
tree | b168143a3383e7ad99ba15c92e018efc185d7800 /amiga/dt_picture.c | |
parent | e71691bae890040b83cfd54a2d9a1097d5026866 (diff) | |
download | netsurf-208363fe2a8a519915123d80f3ca02452aa76eb3.tar.gz netsurf-208363fe2a8a519915123d80f3ca02452aa76eb3.tar.bz2 |
Rename DataTypes related code/files/defines to avoid confusion and aid adding support
for other DataType classes.
Disable MNG/WebP by default as they aren't common and the required libs are quite
large; DataTypes can handle these formats for now.
svn path=/trunk/netsurf/; revision=12284
Diffstat (limited to 'amiga/dt_picture.c')
-rw-r--r-- | amiga/dt_picture.c | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/amiga/dt_picture.c b/amiga/dt_picture.c new file mode 100644 index 000000000..315b3f2e1 --- /dev/null +++ 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 |