WebSurf/frontends/amiga/bitmap.c

839 lines
21 KiB
C

/*
* Copyright 2008, 2009, 2012, 2016 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 <stdlib.h>
#include <string.h>
#include <proto/exec.h>
#ifdef __amigaos4__
#include <graphics/blitattr.h>
#include <graphics/composite.h>
#endif
#include <graphics/gfxbase.h>
#include <proto/datatypes.h>
#include <datatypes/pictureclass.h>
#include <proto/dos.h>
#include <proto/intuition.h>
#include <proto/utility.h>
#include <proto/guigfx.h>
#include <guigfx/guigfx.h>
#include <render/render.h>
#ifndef __amigaos4__
#include <inline/guigfx.h>
#endif
#ifdef __amigaos4__
#include <exec/extmem.h>
#include <sys/param.h>
#endif
#include "assert.h"
#include "utils/log.h"
#include "utils/nsoption.h"
#include "utils/nsurl.h"
#include "utils/messages.h"
#include "netsurf/bitmap.h"
#include "netsurf/content.h"
#include "amiga/gui.h"
#include "amiga/bitmap.h"
#include "amiga/plotters.h"
#include "amiga/memory.h"
#include "amiga/misc.h"
#include "amiga/rtg.h"
#include "amiga/schedule.h"
// disable use of "triangle mode" for scaling
#ifdef AMI_NS_TRIANGLE_SCALING
#undef AMI_NS_TRIANGLE_SCALING
#endif
struct bitmap {
int width;
int height;
UBYTE *pixdata;
struct ExtMemIFace *iextmem;
uint32 size;
bool opaque;
int native;
struct BitMap *nativebm;
int nativebmwidth;
int nativebmheight;
PLANEPTR native_mask;
Object *dto;
APTR drawhandle;
struct nsurl *url; /* temporary storage space */
char *title; /* temporary storage space */
ULONG *icondata; /* for appicons */
};
enum {
AMI_NSBM_NONE = 0,
AMI_NSBM_TRUECOLOUR,
AMI_NSBM_PALETTEMAPPED
};
struct vertex {
float x, y;
float s, t, w;
};
#define VTX(I,X,Y,S,T) vtx[I].x = X; vtx[I].y = Y; vtx[I].s = S; vtx[I].t = T; vtx[I].w = 1.0f;
#define VTX_RECT(SX,SY,SW,SH,DX,DY,DW,DH) \
VTX(0, DX, DY, SX, SY); \
VTX(1, DX + DW, DY, SX + SW, SY); \
VTX(2, DX, DY + DH, SX, SY + SH); \
VTX(3, DX + DW, DY, SX + SW, SY); \
VTX(4, DX, DY + DH, SX, SY + SH); \
VTX(5, DX + DW, DY + DH, SX + SW, SY + SH);
static APTR pool_bitmap = NULL;
static bool guigfx_warned = false;
/* exported function documented in amiga/bitmap.h */
void *amiga_bitmap_create(int width, int height, unsigned int state)
{
struct bitmap *bitmap;
if(pool_bitmap == NULL) pool_bitmap = ami_memory_itempool_create(sizeof(struct bitmap));
bitmap = ami_memory_itempool_alloc(pool_bitmap, sizeof(struct bitmap));
if(bitmap == NULL) return NULL;
bitmap->size = width * height * 4;
#ifdef __amigaos4__
if(nsoption_bool(use_extmem) == true) {
uint64 size64 = bitmap->size;
bitmap->iextmem = AllocSysObjectTags(ASOT_EXTMEM,
ASOEXTMEM_Size, &size64,
ASOEXTMEM_AllocationPolicy, EXTMEMPOLICY_IMMEDIATE,
TAG_END);
bitmap->pixdata = NULL;
UBYTE *pixdata = amiga_bitmap_get_buffer(bitmap);
memset(pixdata, 0xff, bitmap->size);
} else
#endif
{
bitmap->pixdata = ami_memory_clear_alloc(bitmap->size, 0xff);
}
bitmap->width = width;
bitmap->height = height;
if(state & BITMAP_OPAQUE) bitmap->opaque = true;
else bitmap->opaque = false;
bitmap->nativebm = NULL;
bitmap->nativebmwidth = 0;
bitmap->nativebmheight = 0;
bitmap->native_mask = NULL;
bitmap->drawhandle = NULL;
bitmap->url = NULL;
bitmap->title = NULL;
bitmap->icondata = NULL;
bitmap->native = AMI_NSBM_NONE;
return bitmap;
}
static void amiga_bitmap_unmap_buffer(void *p)
{
#ifdef __amigaos4__
struct bitmap *bm = p;
if((nsoption_bool(use_extmem) == true) && (bm->pixdata != NULL)) {
NSLOG(netsurf, INFO,
"Unmapping ExtMem object %p for bitmap %p",
bm->iextmem,
bm);
bm->iextmem->Unmap(bm->pixdata, bm->size);
bm->pixdata = NULL;
}
#endif
}
/* exported function documented in amiga/bitmap.h */
unsigned char *amiga_bitmap_get_buffer(void *bitmap)
{
struct bitmap *bm = bitmap;
#ifdef __amigaos4__
if(nsoption_bool(use_extmem) == true) {
if(bm->pixdata == NULL) {
NSLOG(netsurf, INFO,
"Mapping ExtMem object %p for bitmap %p",
bm->iextmem,
bm);
bm->pixdata = bm->iextmem->Map(NULL, bm->size, 0LL, 0);
}
/* unmap the buffer after one second */
ami_schedule(1000, amiga_bitmap_unmap_buffer, bm);
}
#endif
return bm->pixdata;
}
/* exported function documented in amiga/bitmap.h */
size_t amiga_bitmap_get_rowstride(void *bitmap)
{
struct bitmap *bm = bitmap;
if(bm)
{
return ((bm->width)*4);
}
else
{
return 0;
}
}
/* exported function documented in amiga/bitmap.h */
void amiga_bitmap_destroy(void *bitmap)
{
struct bitmap *bm = bitmap;
if(bm)
{
if((bm->nativebm)) { // && (bm->native == AMI_NSBM_TRUECOLOUR)) {
ami_rtg_freebitmap(bm->nativebm);
}
if(bm->native_mask) FreeRaster(bm->native_mask, bm->width, bm->height);
#ifdef __amigaos4__
if(nsoption_bool(use_extmem) == true) {
ami_schedule(-1, amiga_bitmap_unmap_buffer, bm);
amiga_bitmap_unmap_buffer(bm);
FreeSysObject(ASOT_EXTMEM, bm->iextmem);
bm->iextmem = NULL;
} else
#endif
{
if(bm->drawhandle) ReleaseDrawHandle(bm->drawhandle);
ami_memory_clear_free(bm->pixdata);
}
if(bm->url) nsurl_unref(bm->url);
if(bm->title) free(bm->title);
bm->pixdata = NULL;
bm->nativebm = NULL;
bm->native_mask = NULL;
bm->drawhandle = NULL;
bm->url = NULL;
bm->title = NULL;
ami_memory_itempool_free(pool_bitmap, bm, sizeof(struct bitmap));
bm = NULL;
}
}
/* exported function documented in amiga/bitmap.h */
bool amiga_bitmap_save(void *bitmap, const char *path, unsigned flags)
{
int err = 0;
Object *dto = NULL;
if((dto = ami_datatype_object_from_bitmap(bitmap)))
{
if (flags & AMI_BITMAP_SCALE_ICON) {
IDoMethod(dto, PDTM_SCALE, 16, 16, 0);
if((DoDTMethod(dto, 0, 0, DTM_PROCLAYOUT, 0, 1)) == 0) {
return false;
}
}
err = SaveDTObjectA(dto, NULL, NULL, path, DTWM_IFF, FALSE, NULL);
DisposeDTObject(dto);
}
if(err == 0) return false;
else return true;
}
/* exported function documented in amiga/bitmap.h */
void amiga_bitmap_modified(void *bitmap)
{
struct bitmap *bm = bitmap;
#ifdef __amigaos4__
/* unmap the buffer after 0.5s - we might need it imminently */
ami_schedule(500, amiga_bitmap_unmap_buffer, bm);
#endif
if(bm->nativebm) ami_rtg_freebitmap(bm->nativebm);
if(bm->drawhandle) ReleaseDrawHandle(bm->drawhandle);
if(bm->native_mask) FreeRaster(bm->native_mask, bm->width, bm->height);
bm->nativebm = NULL;
bm->drawhandle = NULL;
bm->native_mask = NULL;
bm->native = AMI_NSBM_NONE;
}
/* exported function documented in amiga/bitmap.h */
void amiga_bitmap_set_opaque(void *bitmap, bool opaque)
{
struct bitmap *bm = bitmap;
assert(bitmap);
bm->opaque = opaque;
}
/* exported function documented in amiga/bitmap.h */
bool amiga_bitmap_test_opaque(void *bitmap)
{
struct bitmap *bm = bitmap;
uint32 p = bm->width * bm->height;
uint32 a = 0;
uint32 *bmi = (uint32 *)amiga_bitmap_get_buffer(bm);
assert(bitmap);
for(a=0;a<p;a+=4)
{
if ((*bmi & 0x000000ffU) != 0x000000ffU) return false;
bmi++;
}
return true;
}
/* exported function documented in amiga/bitmap.h */
bool amiga_bitmap_get_opaque(void *bitmap)
{
struct bitmap *bm = bitmap;
assert(bitmap);
return bm->opaque;
}
/**
* get width of a bitmap.
*/
int bitmap_get_width(void *bitmap)
{
struct bitmap *bm = bitmap;
if(bm)
{
return(bm->width);
}
else
{
return 0;
}
}
/**
* get height of a bitmap.
*/
int bitmap_get_height(void *bitmap)
{
struct bitmap *bm = bitmap;
if(bm)
{
return(bm->height);
}
else
{
return 0;
}
}
/**
* Find the bytes per pixel of a bitmap
*
* \param vbitmap a bitmap, as returned by bitmap_create()
* \return bytes per pixel
*/
static size_t bitmap_get_bpp(void *vbitmap)
{
struct bitmap *bitmap = (struct bitmap *)vbitmap;
assert(bitmap);
return 4;
}
static void ami_bitmap_argb_to_rgba(struct bitmap *bm)
{
if(bm == NULL) return;
ULONG *data = (ULONG *)amiga_bitmap_get_buffer(bm);
for(int i = 0; i < (bm->width * bm->height); i++) {
data[i] = (data[i] << 8) | (data[i] >> 24);
}
}
static void ami_bitmap_rgba_to_argb(struct bitmap *bm)
{
if(bm == NULL) return;
ULONG *data = (ULONG *)amiga_bitmap_get_buffer(bm);
for(int i = 0; i < (bm->width * bm->height); i++) {
data[i] = (data[ i] >> 8) | (data[i] << 24);
}
}
#ifdef BITMAP_DUMP
void bitmap_dump(struct bitmap *bitmap)
{
int x,y;
ULONG *bm = (ULONG *)amiga_bitmap_get_buffer(bitmap);
printf("Width=%ld, Height=%ld, Opaque=%s\nnativebm=%lx, width=%ld, height=%ld\n",
bitmap->width, bitmap->height, bitmap->opaque ? "true" : "false",
bitmap->nativebm, bitmap->nativebmwidth, bitmap->nativebmheight);
for(y = 0; y < bitmap->height; y++) {
for(x = 0; x < bitmap->width; x++) {
printf("%lx ", bm[(y*bitmap->width) + x]);
}
printf("\n");
}
}
#endif
Object *ami_datatype_object_from_bitmap(struct bitmap *bitmap)
{
Object *dto;
struct BitMapHeader *bmhd;
if((dto = NewDTObject(NULL,
DTA_SourceType,DTST_RAM,
DTA_GroupID,GID_PICTURE,
//DTA_BaseName,"ilbm",
PDTA_DestMode,PMODE_V43,
TAG_DONE)))
{
if(GetDTAttrs(dto,PDTA_BitMapHeader,&bmhd,TAG_DONE))
{
bmhd->bmh_Width = (UWORD)bitmap_get_width(bitmap);
bmhd->bmh_Height = (UWORD)bitmap_get_height(bitmap);
bmhd->bmh_Depth = (UBYTE)bitmap_get_bpp(bitmap) * 8;
if(!amiga_bitmap_get_opaque(bitmap)) bmhd->bmh_Masking = mskHasAlpha;
}
SetDTAttrs(dto,NULL,NULL,
DTA_ObjName, bitmap->url ? nsurl_access(bitmap->url) : "",
DTA_ObjAnnotation,bitmap->title,
DTA_ObjAuthor,messages_get("NetSurf"),
DTA_NominalHoriz,bitmap_get_width(bitmap),
DTA_NominalVert,bitmap_get_height(bitmap),
PDTA_SourceMode,PMODE_V43,
TAG_DONE);
IDoMethod(dto, PDTM_WRITEPIXELARRAY, amiga_bitmap_get_buffer(bitmap),
PBPAFMT_RGBA, amiga_bitmap_get_rowstride(bitmap), 0, 0,
bitmap_get_width(bitmap), bitmap_get_height(bitmap));
}
return dto;
}
/* Quick way to get an object on disk into a struct bitmap */
struct bitmap *ami_bitmap_from_datatype(char *filename)
{
Object *dto;
struct bitmap *bm = NULL;
if((dto = NewDTObject(filename,
DTA_GroupID, GID_PICTURE,
PDTA_DestMode, PMODE_V43,
PDTA_PromoteMask, TRUE,
TAG_DONE))) {
struct BitMapHeader *bmh;
if(GetDTAttrs(dto, PDTA_BitMapHeader, &bmh, TAG_DONE))
{
bm = amiga_bitmap_create(bmh->bmh_Width, bmh->bmh_Height, 0);
IDoMethod(dto, PDTM_READPIXELARRAY, amiga_bitmap_get_buffer(bm),
PBPAFMT_RGBA, amiga_bitmap_get_rowstride(bm), 0, 0,
bmh->bmh_Width, bmh->bmh_Height);
amiga_bitmap_set_opaque(bm, amiga_bitmap_test_opaque(bm));
}
DisposeDTObject(dto);
}
return bm;
}
static inline struct BitMap *ami_bitmap_get_generic(struct bitmap *bitmap,
int width, int height, struct BitMap *restrict friendbm, int type)
{
struct BitMap *restrict tbm = NULL;
struct Screen *scrn = ami_gui_get_screen();
if(bitmap->nativebm)
{
if((bitmap->nativebmwidth == width) && (bitmap->nativebmheight == height)) {
tbm = bitmap->nativebm;
return tbm;
} else if((bitmap->nativebmwidth == bitmap->width) &&
(bitmap->nativebmheight == bitmap->height)) { // >= width/height ?
tbm = bitmap->nativebm;
} else {
if(bitmap->nativebm) amiga_bitmap_modified(bitmap);
}
}
if(tbm == NULL) {
if(type == AMI_NSBM_TRUECOLOUR) {
tbm = ami_rtg_allocbitmap(bitmap->width, bitmap->height, 32, 0,
friendbm, AMI_BITMAP_FORMAT);
if(tbm == NULL) return NULL;
ami_rtg_writepixelarray(amiga_bitmap_get_buffer(bitmap),
tbm, bitmap->width, bitmap->height,
bitmap->width * 4, AMI_BITMAP_FORMAT);
} else {
tbm = ami_rtg_allocbitmap(width, height,
8, 0, friendbm, AMI_BITMAP_FORMAT);
if(tbm == NULL) return NULL;
if(GuiGFXBase != NULL) {
struct RastPort rp;
InitRastPort(&rp);
rp.BitMap = tbm;
ULONG dithermode = DITHERMODE_NONE;
if(nsoption_int(dither_quality) == 1) {
dithermode = DITHERMODE_EDD;
} else if(nsoption_int(dither_quality) == 2) {
dithermode = DITHERMODE_FS;
}
ami_bitmap_rgba_to_argb(bitmap);
bitmap->drawhandle = ObtainDrawHandle(
NULL,
&rp,
scrn->ViewPort.ColorMap,
GGFX_DitherMode, dithermode,
TAG_DONE);
if(bitmap->drawhandle) {
APTR ddh = CreateDirectDrawHandle(bitmap->drawhandle,
bitmap->width, bitmap->height,
width, height, NULL);
DirectDrawTrueColor(ddh, (ULONG *)amiga_bitmap_get_buffer(bitmap), 0, 0, TAG_DONE);
DeleteDirectDrawHandle(ddh);
ReleaseDrawHandle(bitmap->drawhandle);
bitmap->drawhandle = NULL;
}
ami_bitmap_argb_to_rgba(bitmap);
} else {
if(guigfx_warned == false) {
amiga_warn_user("BMConvErr", NULL);
guigfx_warned = true;
}
}
}
if(((type == AMI_NSBM_TRUECOLOUR) && (nsoption_int(cache_bitmaps) == 2)) ||
((type == AMI_NSBM_PALETTEMAPPED) && (((bitmap->width == width) &&
(bitmap->height == height) && (nsoption_int(cache_bitmaps) == 2)) ||
(nsoption_int(cache_bitmaps) >= 1)))) {
bitmap->nativebm = tbm;
if(type == AMI_NSBM_TRUECOLOUR) {
bitmap->nativebmwidth = bitmap->width;
bitmap->nativebmheight = bitmap->height;
} else {
bitmap->nativebmwidth = width;
bitmap->nativebmheight = height;
}
bitmap->native = type;
}
if(type == AMI_NSBM_PALETTEMAPPED)
return tbm;
}
if((bitmap->width != width) || (bitmap->height != height)) {
struct BitMap *restrict scaledbm;
struct BitScaleArgs bsa;
int depth = 32;
if(type == AMI_NSBM_PALETTEMAPPED) depth = 8;
scaledbm = ami_rtg_allocbitmap(width, height, depth, 0,
friendbm, AMI_BITMAP_FORMAT);
#ifdef __amigaos4__
if(__builtin_expect(((GfxBase->LibNode.lib_Version >= 53) &&
(type == AMI_NSBM_TRUECOLOUR)), 1)) {
/* AutoDoc says v52, but this function isn't in OS4.0, so checking for v53 (OS4.1)
* Additionally, when we use friend BitMaps in non 32-bit modes it freezes the OS */
uint32 flags = 0;
uint32 err = COMPERR_Success;
#ifdef AMI_NS_TRIANGLE_SCALING
struct vertex vtx[6];
VTX_RECT(0, 0, bitmap->width, bitmap->height, 0, 0, width, height);
flags = COMPFLAG_HardwareOnly;
if(nsoption_bool(scale_quality) == true) flags |= COMPFLAG_SrcFilter;
err = CompositeTags(COMPOSITE_Src, tbm, scaledbm,
COMPTAG_VertexArray, vtx,
COMPTAG_VertexFormat, COMPVF_STW0_Present,
COMPTAG_NumTriangles, 2,
COMPTAG_Flags, flags,
COMPTAG_FriendBitMap, scrn->RastPort.BitMap,
TAG_DONE);
if (err != COMPERR_Success) {
NSLOG(netsurf, INFO,
"Composite error %ld - falling back",
err);
/* If it failed, do it again the way
* which works in software
*/
#else
{
#endif
flags = 0;
if(nsoption_bool(scale_quality) == true) flags |= COMPFLAG_SrcFilter;
err = CompositeTags(COMPOSITE_Src, tbm, scaledbm,
COMPTAG_ScaleX, COMP_FLOAT_TO_FIX((float)width/bitmap->width),
COMPTAG_ScaleY, COMP_FLOAT_TO_FIX((float)height/bitmap->height),
COMPTAG_Flags, flags,
COMPTAG_FriendBitMap, scrn->RastPort.BitMap,
TAG_DONE);
/* If it still fails... it's non-fatal */
NSLOG(netsurf, INFO,
"Fallback returned error %ld", err);
}
} else /* Do it the old-fashioned way. This is pretty slow, even on OS4.1 */
#endif
{
bsa.bsa_SrcX = 0;
bsa.bsa_SrcY = 0;
bsa.bsa_SrcWidth = bitmap->width;
bsa.bsa_SrcHeight = bitmap->height;
bsa.bsa_DestX = 0;
bsa.bsa_DestY = 0;
bsa.bsa_XSrcFactor = bitmap->width;
bsa.bsa_XDestFactor = width;
bsa.bsa_YSrcFactor = bitmap->height;
bsa.bsa_YDestFactor = height;
bsa.bsa_SrcBitMap = tbm;
bsa.bsa_DestBitMap = scaledbm;
bsa.bsa_Flags = 0;
BitMapScale(&bsa);
}
if(bitmap->nativebm != tbm) ami_rtg_freebitmap(bitmap->nativebm);
ami_rtg_freebitmap(tbm);
tbm = scaledbm;
bitmap->nativebm = NULL;
bitmap->native = AMI_NSBM_NONE;
if(nsoption_int(cache_bitmaps) >= 1)
{
bitmap->nativebm = tbm;
bitmap->nativebmwidth = width;
bitmap->nativebmheight = height;
bitmap->native = type;
}
}
return tbm;
}
static inline struct BitMap *ami_bitmap_get_truecolour(struct bitmap *bitmap,
int width, int height, struct BitMap *friendbm)
{
if((bitmap->native != AMI_NSBM_NONE) && (bitmap->native != AMI_NSBM_TRUECOLOUR)) {
amiga_bitmap_modified(bitmap);
}
return ami_bitmap_get_generic(bitmap, width, height, friendbm, AMI_NSBM_TRUECOLOUR);
}
PLANEPTR ami_bitmap_get_mask(struct bitmap *bitmap, int width,
int height, struct BitMap *n_bm)
{
uint32 *bmi = (uint32 *) amiga_bitmap_get_buffer(bitmap);
UBYTE maskbit = 0;
ULONG bm_width;
int y, x, bpr;
if((height != bitmap->height) || (width != bitmap->width)) return NULL;
if(amiga_bitmap_get_opaque(bitmap) == true) return NULL;
if(bitmap->native_mask) return bitmap->native_mask;
bm_width = GetBitMapAttr(n_bm, BMA_WIDTH);
bpr = RASSIZE(bm_width, 1);
bitmap->native_mask = AllocRaster(bm_width, height);
SetMem(bitmap->native_mask, 0, bpr * height);
for(y=0; y<height; y++) {
for(x=0; x<width; x++) {
if ((*bmi & 0x000000ffU) <= (ULONG)nsoption_int(mask_alpha)) maskbit = 0;
else maskbit = 1;
bmi++;
bitmap->native_mask[(y*bpr) + (x/8)] |=
maskbit << (7 - (x % 8));
}
}
return bitmap->native_mask;
}
static inline struct BitMap *ami_bitmap_get_palettemapped(struct bitmap *bitmap,
int width, int height, struct BitMap *friendbm)
{
if((bitmap->native != AMI_NSBM_NONE) && (bitmap->native != AMI_NSBM_PALETTEMAPPED)) {
amiga_bitmap_modified(bitmap);
}
return ami_bitmap_get_generic(bitmap, width, height, friendbm, AMI_NSBM_PALETTEMAPPED);
}
struct BitMap *ami_bitmap_get_native(struct bitmap *bitmap,
int width, int height, bool palette_mapped, struct BitMap *friendbm)
{
if(bitmap == NULL) return NULL;
if(__builtin_expect(palette_mapped == true, 0)) {
return ami_bitmap_get_palettemapped(bitmap, width, height, friendbm);
} else {
return ami_bitmap_get_truecolour(bitmap, width, height, friendbm);
}
}
void ami_bitmap_fini(void)
{
if(pool_bitmap) ami_memory_itempool_delete(pool_bitmap);
pool_bitmap = NULL;
}
static nserror bitmap_render(struct bitmap *bitmap, struct hlcache_handle *content)
{
#ifdef __amigaos4__
NSLOG(netsurf, INFO, "Entering bitmap_render");
int plot_width;
int plot_height;
struct gui_globals *bm_globals;
plot_width = MIN(content_get_width(content), bitmap->width);
plot_height = ((plot_width * bitmap->height) + (bitmap->width / 2)) /
bitmap->width;
bm_globals = ami_plot_ra_alloc(bitmap->width, bitmap->height, true, false);
ami_clearclipreg(bm_globals);
struct redraw_context ctx = {
.interactive = false,
.background_images = true,
.plot = &amiplot,
.priv = bm_globals
};
content_scaled_redraw(content, plot_width, plot_height, &ctx);
BltBitMapTags( BLITA_SrcX, 0,
BLITA_SrcY, 0,
BLITA_Width, bitmap->width,
BLITA_Height, bitmap->height,
BLITA_Source, ami_plot_ra_get_bitmap(bm_globals),
BLITA_SrcType, BLITT_BITMAP,
BLITA_Dest, amiga_bitmap_get_buffer(bitmap),
BLITA_DestType, BLITT_ARGB32,
BLITA_DestBytesPerRow, 4 * bitmap->width,
BLITA_DestX, 0,
BLITA_DestY, 0,
TAG_DONE);
ami_bitmap_argb_to_rgba(bitmap);
/**\todo In theory we should be able to move the bitmap to our native area
to try to avoid re-conversion (at the expense of memory) */
ami_plot_ra_free(bm_globals);
amiga_bitmap_set_opaque(bitmap, true);
#else
#warning FIXME for OS3 (in current state none of bitmap_render can work!)
#endif
return NSERROR_OK;
}
void ami_bitmap_set_url(struct bitmap *bm, struct nsurl *url)
{
if(bm->url != NULL) return;
bm->url = nsurl_ref(url);
}
void ami_bitmap_set_title(struct bitmap *bm, const char *title)
{
if(bm->title != NULL) return;
bm->title = strdup(title);
}
void ami_bitmap_set_icondata(struct bitmap *bm, ULONG *icondata)
{
bm->icondata = icondata;
}
void ami_bitmap_free_icondata(struct bitmap *bm)
{
if(bm->icondata) free(bm->icondata);
bm->icondata = NULL;
}
bool ami_bitmap_is_nativebm(struct bitmap *bm, struct BitMap *nbm)
{
if(bm->nativebm == nbm) return true;
else return false;
}
static struct gui_bitmap_table bitmap_table = {
.create = amiga_bitmap_create,
.destroy = amiga_bitmap_destroy,
.set_opaque = amiga_bitmap_set_opaque,
.get_opaque = amiga_bitmap_get_opaque,
.test_opaque = amiga_bitmap_test_opaque,
.get_buffer = amiga_bitmap_get_buffer,
.get_rowstride = amiga_bitmap_get_rowstride,
.get_width = bitmap_get_width,
.get_height = bitmap_get_height,
.get_bpp = bitmap_get_bpp,
.save = amiga_bitmap_save,
.modified = amiga_bitmap_modified,
.render = bitmap_render,
};
struct gui_bitmap_table *amiga_bitmap_table = &bitmap_table;