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netsurf/amiga/icon.c

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/*
* 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"
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include <proto/exec.h>
#include <proto/icon.h>
#include <datatypes/pictureclass.h>
#ifdef __amigaos4__
#include <graphics/blitattr.h>
#endif
#include <workbench/icon.h>
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.h"
#include "utils/file.h"
#include "desktop/plotters.h"
#include "image/bitmap.h"
#include "content/content_protected.h"
#include "amiga/os3support.h"
#include "amiga/bitmap.h"
#include "amiga/icon.h"
#include "amiga/misc.h"
#define THUMBNAIL_WIDTH 100 /* Icon sizes for thumbnails, usually the same as */
#define THUMBNAIL_HEIGHT 86 /* WIDTH/HEIGHT in desktop/thumbnail.c */
ULONG *amiga_icon_convertcolouricon32(UBYTE *icondata, ULONG width, ULONG height,
ULONG trans, ULONG pals1, struct ColorRegister *pal1, int alpha);
#ifdef WITH_AMIGA_ICON
typedef struct amiga_icon_content {
struct content base;
struct bitmap *bitmap; /**< Created NetSurf bitmap */
} amiga_icon_content;
static nserror amiga_icon_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_icon_convert(struct content *c);
static void amiga_icon_destroy(struct content *c);
static bool amiga_icon_redraw(struct content *c,
struct content_redraw_data *data, const struct rect *clip,
const struct redraw_context *ctx);
static nserror amiga_icon_clone(const struct content *old,
struct content **newc);
static content_type amiga_icon_content_type(void);
static void *amiga_icon_get_internal(const struct content *c, void *context)
{
amiga_icon_content *icon_c = (amiga_icon_content *)c;
return icon_c->bitmap;
}
static const content_handler amiga_icon_content_handler = {
.create = amiga_icon_create,
.data_complete = amiga_icon_convert,
.destroy = amiga_icon_destroy,
.redraw = amiga_icon_redraw,
.clone = amiga_icon_clone,
.get_internal = amiga_icon_get_internal,
.type = amiga_icon_content_type,
.no_share = false,
};
static const char *amiga_icon_types[] = {
"image/x-amiga-icon"
};
CONTENT_FACTORY_REGISTER_TYPES(amiga_icon, amiga_icon_types,
amiga_icon_content_handler)
nserror amiga_icon_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_icon_content *ai_content;
nserror error;
ai_content = calloc(1, sizeof(amiga_icon_content));
if (ai_content == NULL)
return NSERROR_NOMEM;
error = content__init(&ai_content->base, handler, imime_type, params,
llcache, fallback_charset, quirks);
if (error != NSERROR_OK) {
free(ai_content);
return error;
}
*c = (struct content *)ai_content;
return NSERROR_OK;
}
/**
* Convert a CONTENT_AMIGA_ICON for display.
*
* No conversion is necessary. We merely read the icon dimensions.
*/
bool amiga_icon_convert(struct content *c)
{
amiga_icon_content *icon_c = (amiga_icon_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;
uint8 r, g, b, a;
ULONG offset;
char *filename = NULL;
char *p;
ULONG trans, pals1;
struct ColorRegister *pal1;
netsurf_nsurl_to_path(content_get_url(c), &filename);
/* 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) or palette-mapped colour.
We need additional code to handle planar icons */
if((format != IDFMT_DIRECTMAPPED) && (format==IDFMT_PALETTEMAPPED)) {
if(dobj) FreeDiskObject(dobj);
return false;
}
icon_c->bitmap = amiga_bitmap_create(width, height, BITMAP_NEW);
if (!icon_c->bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
if(dobj) FreeDiskObject(dobj);
return false;
}
imagebuf = (ULONG *) amiga_bitmap_get_buffer(icon_c->bitmap);
if (!imagebuf) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
if(dobj) FreeDiskObject(dobj);
return false;
}
err = IconControl(dobj,
ICONCTRLA_GetImageData1, &imagebufptr,
TAG_DONE);
if(format==IDFMT_PALETTEMAPPED)
{
IconControl(dobj, ICONCTRLA_GetTransparentColor1, &trans,
ICONCTRLA_GetPalette1, &pal1,
ICONCTRLA_GetPaletteSize1, &pals1,
TAG_DONE);
imagebufptr = (unsigned char *) amiga_icon_convertcolouricon32((UBYTE *)imagebufptr,
width, height, trans, pals1, pal1, 0xff);
}
/* 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;
amiga_bitmap_modified(icon_c->bitmap);
content_set_ready(c);
content_set_done(c);
content_set_status(c, "");
if(dobj) FreeDiskObject(dobj);
if(format==IDFMT_PALETTEMAPPED)
FreeVec(imagebufptr);
return true;
}
/**
* Destroy a CONTENT_AMIGA_ICON and free all resources it owns.
*/
void amiga_icon_destroy(struct content *c)
{
amiga_icon_content *icon_c = (amiga_icon_content *)c;
if (icon_c->bitmap != NULL)
amiga_bitmap_destroy(icon_c->bitmap);
}
/**
* Redraw a CONTENT_AMIGA_ICON.
*/
bool amiga_icon_redraw(struct content *c,
struct content_redraw_data *data, const struct rect *clip,
const struct redraw_context *ctx)
{
amiga_icon_content *icon_c = (amiga_icon_content *)c;
bitmap_flags_t flags = BITMAPF_NONE;
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,
icon_c->bitmap, data->background_colour, flags);
}
nserror amiga_icon_clone(const struct content *old, struct content **newc)
{
amiga_icon_content *ai;
nserror error;
ai = calloc(1, sizeof(amiga_icon_content));
if (ai == NULL)
return NSERROR_NOMEM;
error = content__clone(old, &ai->base);
if (error != NSERROR_OK) {
content_destroy(&ai->base);
return error;
}
/* Simply replay convert */
if (old->status == CONTENT_STATUS_READY ||
old->status == CONTENT_STATUS_DONE) {
if (amiga_icon_convert(&ai->base) == false) {
content_destroy(&ai->base);
return NSERROR_CLONE_FAILED;
}
}
*newc = (struct content *) ai;
return NSERROR_OK;
}
content_type amiga_icon_content_type(void)
{
return CONTENT_IMAGE;
}
#endif /* WITH_AMIGA_ICON */
ULONG *amiga_icon_convertcolouricon32(UBYTE *icondata, ULONG width, ULONG height,
ULONG trans, ULONG pals1, struct ColorRegister *pal1, int alpha)
{
ULONG *argbicon;
struct ColorRegister *colour;
struct ColorMap *cmap;
ULONG i;
ULONG a,r,g,b;
if (alpha==0) alpha=0xff;
argbicon = (ULONG *)AllocVecTagList(width*height*4, NULL);
if (!argbicon) return(NULL);
cmap=GetColorMap(pals1);
if(!cmap) return(NULL);
for(i=0;i<(width*height);i++)
{
colour = &pal1[icondata[i]];
if(icondata[i] == trans)
{
a=0x00;
}
else
{
a=alpha;
}
r = colour->red;
g = colour->green;
b = colour->blue;
argbicon[i] = (a << 24) +
(r << 16) +
(g << 8) +
(b);
}
return(argbicon);
}
void amiga_icon_superimpose_favicon_internal(struct hlcache_handle *icon, struct DiskObject *dobj)
{
struct BitMap *bm = NULL;
ULONG *icondata1, *icondata2;
ULONG width, height;
long format = 0;
int err;
if(dobj == NULL) return;
err = IconControl(dobj,
ICONCTRLA_GetImageDataFormat,&format,
ICONCTRLA_GetImageData1,&icondata1,
ICONCTRLA_GetImageData2,&icondata2,
ICONCTRLA_GetWidth,&width,
ICONCTRLA_GetHeight,&height,
TAG_DONE);
if(format != IDFMT_DIRECTMAPPED) return;
#ifdef __amigaos4__
if ((icon != NULL) && (content_get_bitmap(icon) != NULL)) {
bm = ami_bitmap_get_native(content_get_bitmap(icon), 16, 16, NULL);
}
if(bm) {
BltBitMapTags(BLITA_SrcX, 0,
BLITA_SrcY, 0,
BLITA_DestX, width - 16,
BLITA_DestY, height - 16,
BLITA_Width, 16,
BLITA_Height, 16,
BLITA_Source, bm,
BLITA_Dest, icondata1,
BLITA_SrcType, BLITT_BITMAP,
BLITA_DestType, BLITT_ARGB32,
BLITA_DestBytesPerRow, width * 4,
BLITA_UseSrcAlpha, TRUE,
TAG_DONE);
BltBitMapTags(BLITA_SrcX, 0,
BLITA_SrcY, 0,
BLITA_DestX, width - 16,
BLITA_DestY, height - 16,
BLITA_Width, 16,
BLITA_Height, 16,
BLITA_Source, bm,
BLITA_Dest, icondata2,
BLITA_SrcType, BLITT_BITMAP,
BLITA_DestType, BLITT_ARGB32,
BLITA_DestBytesPerRow, width * 4,
BLITA_UseSrcAlpha, TRUE,
TAG_DONE);
}
#endif
}
void amiga_icon_superimpose_favicon(char *path, struct hlcache_handle *icon, char *type)
{
struct DiskObject *dobj = NULL;
ULONG *icondata1, *icondata2;
ULONG width, height;
long format = 0;
int err;
ULONG trans1, pals1;
ULONG trans2, pals2;
struct ColorRegister *pal1;
struct ColorRegister *pal2;
if(icon == NULL) return;
if(!type)
{
dobj = GetIconTags(NULL,
ICONGETA_GetDefaultType, WBDRAWER,
TAG_DONE);
}
else
{
dobj = GetIconTags(NULL, ICONGETA_GetDefaultName, type,
ICONGETA_GetDefaultType, WBPROJECT,
TAG_DONE);
}
if(dobj == NULL) return;
err = IconControl(dobj,
ICONCTRLA_GetImageDataFormat,&format,
ICONCTRLA_GetImageData1,&icondata1,
ICONCTRLA_GetImageData2,&icondata2,
ICONCTRLA_GetWidth,&width,
ICONCTRLA_GetHeight,&height,
TAG_DONE);
/* If we have a palette-mapped icon, convert it to a 32-bit one */
if(format == IDFMT_PALETTEMAPPED)
{
IconControl(dobj, ICONCTRLA_GetTransparentColor1, &trans1,
ICONCTRLA_GetPalette1, &pal1,
ICONCTRLA_GetPaletteSize1, &pals1,
ICONCTRLA_GetTransparentColor2, &trans2,
ICONCTRLA_GetPalette2, &pal2,
ICONCTRLA_GetPaletteSize2, &pals2,
TAG_DONE);
icondata1 = amiga_icon_convertcolouricon32((UBYTE *)icondata1,
width, height, trans1, pals1, pal1, 0xff);
icondata2 = amiga_icon_convertcolouricon32((UBYTE *)icondata2,
width, height, trans2, pals2, pal2, 0xff);
err = IconControl(dobj,
ICONCTRLA_SetImageDataFormat, IDFMT_DIRECTMAPPED,
ICONCTRLA_SetImageData1, icondata1,
ICONCTRLA_SetImageData2, icondata2,
TAG_DONE);
}
if((format == IDFMT_DIRECTMAPPED) || (format == IDFMT_PALETTEMAPPED))
amiga_icon_superimpose_favicon_internal(icon, dobj);
PutIconTags(path, dobj,
ICONPUTA_NotifyWorkbench, TRUE, TAG_DONE);
FreeDiskObject(dobj);
if(format == IDFMT_PALETTEMAPPED)
{
/* Free the 32-bit data we created */
FreeVec(icondata1);
FreeVec(icondata2);
}
}
struct DiskObject *amiga_icon_from_bitmap(struct bitmap *bm)
{
struct DiskObject *dobj;
struct BitMap *bitmap;
#ifdef __amigaos4__
if(bm)
{
bitmap = ami_bitmap_get_native(bm, THUMBNAIL_WIDTH,
THUMBNAIL_HEIGHT, NULL);
bm->icondata = AllocVecTagList(THUMBNAIL_WIDTH * 4 * THUMBNAIL_HEIGHT, NULL);
BltBitMapTags(BLITA_Width, THUMBNAIL_WIDTH,
BLITA_Height, THUMBNAIL_HEIGHT,
BLITA_SrcType, BLITT_BITMAP,
BLITA_Source, bitmap,
BLITA_DestType, BLITT_ARGB32,
BLITA_DestBytesPerRow, THUMBNAIL_WIDTH * 4,
BLITA_Dest, bm->icondata,
TAG_DONE);
}
#endif
dobj = GetIconTags(NULL, ICONGETA_GetDefaultType, WBPROJECT,
ICONGETA_GetDefaultName, "iconify",
TAG_DONE);
#ifdef __amigaos4__
if(bm)
{
IconControl(dobj,
ICONCTRLA_SetImageDataFormat, IDFMT_DIRECTMAPPED,
ICONCTRLA_SetWidth, THUMBNAIL_WIDTH,
ICONCTRLA_SetHeight, THUMBNAIL_HEIGHT,
ICONCTRLA_SetImageData1, bm->icondata,
ICONCTRLA_SetImageData2, NULL,
TAG_DONE);
}
#endif
dobj->do_Gadget.UserData = bm;
LayoutIconA(dobj, (struct Screen *)~0UL, NULL);
return dobj;
}
void amiga_icon_free(struct DiskObject *dobj)
{
struct bitmap *bm = dobj->do_Gadget.UserData;
FreeDiskObject(dobj);
if(bm) FreeVec(bm->icondata);
}
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