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netsurf/amiga/dt_anim.c

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/*
* 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 animation handler (implementation)
*/
#ifdef WITH_AMIGA_DATATYPES
#include "amiga/os3support.h"
#include <proto/datatypes.h>
#include <proto/dos.h>
#include <proto/exec.h>
#include <proto/intuition.h>
#include <datatypes/animationclass.h>
#include <datatypes/pictureclass.h>
#ifdef __amigaos4__
#include <graphics/blitattr.h>
#endif
#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 "amiga/bitmap.h"
#include "amiga/filetype.h"
#include "amiga/datatypes.h"
#include "amiga/misc.h"
#include "amiga/plotters.h"
typedef struct amiga_dt_anim_content {
struct content base;
struct bitmap *bitmap; /**< Created NetSurf bitmap */
Object *dto;
int x;
int y;
int w;
int h;
} amiga_dt_anim_content;
APTR ami_colormap_to_clut(struct ColorMap *cmap);
static nserror amiga_dt_anim_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_anim_convert(struct content *c);
static void amiga_dt_anim_reformat(struct content *c, int width, int height);
static void amiga_dt_anim_destroy(struct content *c);
static bool amiga_dt_anim_redraw(struct content *c,
struct content_redraw_data *data, const struct rect *clip,
const struct redraw_context *ctx);
static void amiga_dt_anim_open(struct content *c, struct browser_window *bw,
struct content *page, struct object_params *params);
static void amiga_dt_anim_close(struct content *c);
static nserror amiga_dt_anim_clone(const struct content *old, struct content **newc);
static content_type amiga_dt_anim_content_type(void);
static void *amiga_dt_anim_get_internal(const struct content *c, void *context)
{
amiga_dt_anim_content *adta_c = (amiga_dt_anim_content *)c;
return adta_c->bitmap;
}
static const content_handler amiga_dt_anim_content_handler = {
.create = amiga_dt_anim_create,
.data_complete = amiga_dt_anim_convert,
.reformat = amiga_dt_anim_reformat,
.destroy = amiga_dt_anim_destroy,
.redraw = amiga_dt_anim_redraw,
.open = amiga_dt_anim_open,
.close = amiga_dt_anim_close,
.clone = amiga_dt_anim_clone,
.get_internal = amiga_dt_anim_get_internal,
.type = amiga_dt_anim_content_type,
.no_share = false,
};
nserror amiga_dt_anim_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_ANIMATION,
TAG_DONE)) != NULL)
{
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_anim_content_handler);
if (error != NSERROR_OK)
return error;
}
}while (node != NULL);
}
ReleaseDataType(prevdt);
return NSERROR_OK;
}
nserror amiga_dt_anim_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_anim_content *plugin;
nserror error;
plugin = calloc(1, sizeof(amiga_dt_anim_content));
if (plugin == NULL)
return NSERROR_NOMEM;
error = content__init(&plugin->base, handler, imime_type, params,
llcache, fallback_charset, quirks);
if (error != NSERROR_OK) {
free(plugin);
return error;
}
*c = (struct content *) plugin;
return NSERROR_OK;
}
bool amiga_dt_anim_convert(struct content *c)
{
LOG("amiga_dt_anim_convert");
amiga_dt_anim_content *plugin = (amiga_dt_anim_content *) c;
union content_msg_data msg_data;
int width, height;
const uint8 *data;
UBYTE *bm_buffer;
ULONG size;
struct BitMapHeader *bmh;
unsigned int bm_flags = BITMAP_NEW | BITMAP_OPAQUE;
struct adtFrame adt_frame;
APTR clut;
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_ANIMATION,
TAG_DONE))) {
if(GetDTAttrs(plugin->dto, PDTA_BitMapHeader, &bmh, TAG_DONE)) {
width = (int)bmh->bmh_Width;
height = (int)bmh->bmh_Height;
plugin->bitmap = amiga_bitmap_create(width, height, bm_flags);
if (!plugin->bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
bm_buffer = amiga_bitmap_get_buffer(plugin->bitmap);
adt_frame.MethodID = ADTM_LOADFRAME;
adt_frame.alf_TimeStamp = 0;
IDoMethodA(plugin->dto, (Msg)&adt_frame);
clut = ami_colormap_to_clut(adt_frame.alf_CMap);
#ifdef __amigaos4__
BltBitMapTags(
BLITA_Width, width,
BLITA_Height, height,
BLITA_Source, adt_frame.alf_BitMap,
BLITA_SrcType, BLITT_BITMAP,
BLITA_Dest, bm_buffer,
BLITA_DestType, BLITT_RGB24,
BLITA_DestBytesPerRow, width,
BLITA_CLUT, clut,
TAG_DONE);
#else
#warning FIXME: Need to use a different blitter function for OS3!
#endif
FreeVec(clut);
adt_frame.MethodID = ADTM_UNLOADFRAME;
IDoMethodA(plugin->dto, (Msg)&adt_frame);
}
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);
*/
amiga_bitmap_modified(plugin->bitmap);
content_set_ready(c);
content_set_done(c);
content_set_status(c, "");
return true;
}
void amiga_dt_anim_destroy(struct content *c)
{
amiga_dt_anim_content *plugin = (amiga_dt_anim_content *) c;
LOG("amiga_dt_anim_destroy");
if (plugin->bitmap != NULL)
amiga_bitmap_destroy(plugin->bitmap);
DisposeDTObject(plugin->dto);
return;
}
bool amiga_dt_anim_redraw(struct content *c,
struct content_redraw_data *data, const struct rect *clip,
const struct redraw_context *ctx)
{
amiga_dt_anim_content *plugin = (amiga_dt_anim_content *) c;
bitmap_flags_t flags = BITMAPF_NONE;
LOG("amiga_dt_anim_redraw");
if (data->repeat_x)
flags |= BITMAPF_REPEAT_X;
if (data->repeat_y)
flags |= BITMAPF_REPEAT_Y;
return ctx->plot->bitmap(data->x, data->y, data->width, data->height,
plugin->bitmap, data->background_colour, flags);
}
/**
* 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_anim_open(struct content *c, struct browser_window *bw,
struct content *page, struct object_params *params)
{
LOG("amiga_dt_anim_open");
return;
}
void amiga_dt_anim_close(struct content *c)
{
LOG("amiga_dt_anim_close");
return;
}
void amiga_dt_anim_reformat(struct content *c, int width, int height)
{
LOG("amiga_dt_anim_reformat");
return;
}
nserror amiga_dt_anim_clone(const struct content *old, struct content **newc)
{
amiga_dt_anim_content *plugin;
nserror error;
LOG("amiga_dt_anim_clone");
plugin = calloc(1, sizeof(amiga_dt_anim_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_anim_convert(&plugin->base) == false) {
content_destroy(&plugin->base);
return NSERROR_CLONE_FAILED;
}
}
*newc = (struct content *) plugin;
return NSERROR_OK;
}
content_type amiga_dt_anim_content_type(void)
{
return CONTENT_IMAGE;
}
APTR ami_colormap_to_clut(struct ColorMap *cmap)
{
int i;
UBYTE *clut = ami_misc_allocvec_clear(256 * 4, 0); /* NB: Was not MEMF_PRIVATE */
ULONG colr[256 * 4];
if(!clut) return NULL;
/* Get the palette from the ColorMap */
GetRGB32(cmap, 0, 256, (ULONG *)&colr);
/* convert it to a table of ARGB values */
for(i = 0; i < 1024; i += 4)
{
clut[i] = (0xff << 24) |
((colr[i] & 0xff000000) >> 8) |
((colr[i + 1] & 0xff000000) >> 16) |
((colr[i + 2] & 0xff000000) >> 24);
}
return clut;
}
#endif
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