netsurf/amiga/thumbnail.c

115 lines
3.4 KiB
C
Executable File

/*
* Copyright 2008,2009 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/>.
*/
#include "amiga/os3support.h"
#include "desktop/browser.h"
#include "amiga/gui.h"
#include "amiga/bitmap.h"
#include "utils/nsoption.h"
#include "content/urldb.h"
#include "desktop/plotters.h"
#include "desktop/thumbnail.h"
#include <proto/graphics.h>
#include <proto/Picasso96API.h>
#include <intuition/intuition.h>
#ifdef __amigaos4__
#include <graphics/blitattr.h>
#include <graphics/composite.h>
#endif
#include <graphics/gfxbase.h>
#include <sys/param.h>
bool thumbnail_create(hlcache_handle *content, struct bitmap *bitmap,
nsurl *url)
{
struct BitScaleArgs bsa;
int plot_width;
int plot_height;
int redraw_tile_size = nsoption_int(redraw_tile_size_x);
struct redraw_context ctx = {
.interactive = false,
.background_images = true,
.plot = &amiplot
};
if(nsoption_int(redraw_tile_size_y) < nsoption_int(redraw_tile_size_x))
redraw_tile_size = nsoption_int(redraw_tile_size_y);
plot_width = MIN(content_get_width(content), redraw_tile_size);
plot_height = ((plot_width * bitmap->height) + (bitmap->width / 2)) /
bitmap->width;
bitmap->nativebm = p96AllocBitMap(bitmap->width, bitmap->height, 32,
BMF_CLEAR | BMF_DISPLAYABLE | BMF_INTERLEAVED,
browserglob.bm, RGBFB_A8R8G8B8);
bitmap->nativebmwidth = bitmap->width;
bitmap->nativebmheight = bitmap->height;
ami_clearclipreg(&browserglob);
thumbnail_redraw(content, plot_width, plot_height, &ctx);
if(GfxBase->LibNode.lib_Version >= 53) // AutoDoc says v52, but this function isn't in OS4.0, so checking for v53 (OS4.1)
{
float resample_scale = bitmap->width / (float)plot_width;
uint32 flags = COMPFLAG_IgnoreDestAlpha;
if(nsoption_bool(scale_quality)) flags |= COMPFLAG_SrcFilter;
CompositeTags(COMPOSITE_Src,browserglob.bm,bitmap->nativebm,
COMPTAG_ScaleX,
COMP_FLOAT_TO_FIX(resample_scale),
COMPTAG_ScaleY,
COMP_FLOAT_TO_FIX(resample_scale),
COMPTAG_Flags,flags,
COMPTAG_DestX,0,
COMPTAG_DestY,0,
COMPTAG_DestWidth,bitmap->width,
COMPTAG_DestHeight,bitmap->height,
COMPTAG_OffsetX,0,
COMPTAG_OffsetY,0,
COMPTAG_FriendBitMap, scrn->RastPort.BitMap,
TAG_DONE);
}
else
{
bsa.bsa_SrcX = 0;
bsa.bsa_SrcY = 0;
bsa.bsa_SrcWidth = plot_width;
bsa.bsa_SrcHeight = plot_height;
bsa.bsa_DestX = 0;
bsa.bsa_DestY = 0;
// bsa.bsa_DestWidth = width;
// bsa.bsa_DestHeight = height;
bsa.bsa_XSrcFactor = plot_width;
bsa.bsa_XDestFactor = bitmap->width;
bsa.bsa_YSrcFactor = plot_height;
bsa.bsa_YDestFactor = bitmap->height;
bsa.bsa_SrcBitMap = browserglob.bm;
bsa.bsa_DestBitMap = bitmap->nativebm;
bsa.bsa_Flags = 0;
BitMapScale(&bsa);
}
if (url) urldb_set_thumbnail(url, bitmap);
return true;
}