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Diffstat (limited to 'amiga/icon.c')
| -rw-r--r-- | amiga/icon.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/amiga/icon.c b/amiga/icon.c new file mode 100644 index 000000000..5c0395f4b --- /dev/null +++ b/amiga/icon.c @@ -0,0 +1,177 @@ + /* + * Copyright 2010 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 + * Content for image/x-amiga-icon (icon.library implementation). + * + */ + +#include "utils/config.h" +#ifdef WITH_AMIGA_ICON + +#include <assert.h> +#include <string.h> +#include <stdlib.h> + +#include <proto/icon.h> + +#include <workbench/icon.h> + +#include "desktop/plotters.h" +#include "image/bitmap.h" +#include "content/content_protected.h" +#include "utils/log.h" +#include "utils/messages.h" +#include "utils/utils.h" +#include "utils/url.h" + +/** + * Convert a CONTENT_AMIGA_ICON for display. + * + * No conversion is necessary. We merely read the icon dimensions. + */ + +bool amiga_icon_convert(struct content *c) +{ + union content_msg_data msg_data; + struct DiskObject *dobj; + ULONG *imagebuf; + unsigned char *imagebufptr = NULL; + ULONG size; + int width = 0, height = 0; + long format = 0; + int err = 0; + uint8 r, g, b, a; + ULONG offset; + char *url; + char *filename; + char *p; + + url = content__get_url(c); + filename = url_to_path(url); + + /* This loader will only work on local files, so fail if not a local path */ + if(filename == NULL) + { + msg_data.error = messages_get("NoMemory"); + content_broadcast(c, CONTENT_MSG_ERROR, msg_data); + return false; + } + + p = strstr(filename, ".info"); + *p = '\0'; + + dobj = GetIconTagList(filename, NULL); + + if(dobj == NULL) + { + msg_data.error = messages_get("NoMemory"); + content_broadcast(c, CONTENT_MSG_ERROR, msg_data); + return false; + } + + err = IconControl(dobj, + ICONCTRLA_GetImageDataFormat,&format, + ICONCTRLA_GetWidth,&width, + ICONCTRLA_GetHeight,&height, + TAG_DONE); + + /* Check icon is direct mapped (truecolour). + We need additional code to handle ColourIcons and planar icons */ + if(format != IDFMT_DIRECTMAPPED) return false; + + c->bitmap = bitmap_create(width, height, BITMAP_NEW); + if (!c->bitmap) { + msg_data.error = messages_get("NoMemory"); + content_broadcast(c, CONTENT_MSG_ERROR, msg_data); + return false; + } + imagebuf = bitmap_get_buffer(c->bitmap); + if (!imagebuf) { + msg_data.error = messages_get("NoMemory"); + content_broadcast(c, CONTENT_MSG_ERROR, msg_data); + return false; + } + + err = IconControl(dobj, + ICONCTRLA_GetImageData1, &imagebufptr, + TAG_DONE); + + /* Decoded data is ARGB, so ensure correct byte order */ + + size = width * height * 4; + + for (offset = 0; offset < size; offset += 4) { + b = imagebufptr[offset+3]; + g = imagebufptr[offset+2]; + r = imagebufptr[offset+1]; + a = imagebufptr[offset]; + + *imagebuf = r << 24 | g << 16 | b << 8 | a; + imagebuf++; + } + + c->width = width; + c->height = height; + + bitmap_modified(c->bitmap); + c->status = CONTENT_STATUS_DONE; + + content_set_status(c, ""); + return true; +} + + +/** + * Destroy a CONTENT_AMIGA_ICON and free all resources it owns. + */ + +void amiga_icon_destroy(struct content *c) +{ + if (c->bitmap != NULL) + bitmap_destroy(c->bitmap); +} + + +/** + * Redraw a CONTENT_AMIGA_ICON. + */ + +bool amiga_icon_redraw(struct content *c, int x, int y, + int width, int height, + int clip_x0, int clip_y0, int clip_x1, int clip_y1, + float scale, colour background_colour) +{ + return plot.bitmap(x, y, width, height, + c->bitmap, background_colour, BITMAPF_NONE); +} + + +bool amiga_icon_clone(const struct content *old, struct content *new_content) +{ + /* Simply replay convert */ + if (old->status == CONTENT_STATUS_READY || + old->status == CONTENT_STATUS_DONE) { + if (webp_convert(new_content) == false) + return false; + } + + return true; +} + +#endif |