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Diffstat (limited to 'amiga/bitmap.c')
| -rw-r--r-- | amiga/bitmap.c | 706 |
1 files changed, 0 insertions, 706 deletions
diff --git a/amiga/bitmap.c b/amiga/bitmap.c deleted file mode 100644 index d04857262..000000000 --- a/amiga/bitmap.c +++ /dev/null @@ -1,706 +0,0 @@ -/* - * 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 <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 <sys/param.h> -#endif -#include "assert.h" - -#include "utils/log.h" -#include "utils/nsoption.h" -#include "utils/nsurl.h" -#include "utils/messages.h" -#include "content/hlcache.h" -#include "desktop/mouse.h" -#include "desktop/gui_window.h" -#include "image/bitmap.h" - -#include "amiga/gui.h" -#include "amiga/bitmap.h" -#include "amiga/download.h" -#include "amiga/misc.h" -#include "amiga/rtg.h" - -struct bitmap { - int width; - int height; - UBYTE *pixdata; - 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 -}; - -APTR pool_bitmap = NULL; - -/* 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_misc_itempool_create(sizeof(struct bitmap)); - - bitmap = ami_misc_itempool_alloc(pool_bitmap, sizeof(struct bitmap)); - if(bitmap == NULL) return NULL; - - bitmap->pixdata = ami_misc_allocvec_clear(width*height*4, 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; -} - - -/* exported function documented in amiga/bitmap.h */ -unsigned char *amiga_bitmap_get_buffer(void *bitmap) -{ - struct bitmap *bm = bitmap; - 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); - if(bm->drawhandle) ReleaseDrawHandle(bm->drawhandle); - FreeVec(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_misc_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; - - if((bm->nativebm)) // && (bm->native == AMI_NSBM_TRUECOLOUR)) - 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 *friendbm, int type) -{ - struct BitMap *tbm = NULL; - - 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) { - if((tbm = ami_rtg_allocbitmap(bitmap->width, bitmap->height, 32, 0, - friendbm, AMI_BITMAP_FORMAT))) { - ami_rtg_writepixelarray(amiga_bitmap_get_buffer(bitmap), - tbm, bitmap->width, bitmap->height, - bitmap->width * 4, AMI_BITMAP_FORMAT); - } - } else { - if((tbm = ami_rtg_allocbitmap(bitmap->width, bitmap->height, - 8, 0, friendbm, AMI_BITMAP_FORMAT))) { - - 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); - - APTR ddh = CreateDirectDrawHandle(bitmap->drawhandle, - bitmap->width, bitmap->height, - bitmap->width, bitmap->height, NULL); - - DirectDrawTrueColor(ddh, (ULONG *)amiga_bitmap_get_buffer(bitmap), 0, 0, TAG_DONE); - DeleteDirectDrawHandle(ddh); - ami_bitmap_argb_to_rgba(bitmap); - } - } - - if(nsoption_int(cache_bitmaps) == 2) - { - bitmap->nativebm = tbm; - bitmap->nativebmwidth = bitmap->width; - bitmap->nativebmheight = bitmap->height; - bitmap->native = type; - } - } - - if((bitmap->width != width) || (bitmap->height != height)) - { - struct BitMap *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; - if(nsoption_bool(scale_quality)) flags |= COMPFLAG_SrcFilter; - - 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_DestX, 0, - COMPTAG_DestY, 0, - COMPTAG_DestWidth, width, - COMPTAG_DestHeight, height, - COMPTAG_OffsetX, 0, - COMPTAG_OffsetY, 0, - COMPTAG_FriendBitMap, scrn->RastPort.BitMap, - TAG_DONE); - } 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, struct BitMap *friendbm) -{ - if(bitmap == NULL) return NULL; - - if(__builtin_expect(ami_plot_screen_is_palettemapped() == 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_misc_itempool_delete(pool_bitmap); - pool_bitmap = NULL; -} - -static nserror bitmap_render(struct bitmap *bitmap, hlcache_handle *content) -{ -#ifdef __amigaos4__ - struct redraw_context ctx = { - .interactive = false, - .background_images = true, - .plot = &amiplot - }; - - int plot_width; - int plot_height; - struct gui_globals bm_globals; - struct gui_globals *temp_gg = glob; - - plot_width = MIN(content_get_width(content), bitmap->width); - plot_height = ((plot_width * bitmap->height) + (bitmap->width / 2)) / - bitmap->width; - - ami_init_layers(&bm_globals, bitmap->width, bitmap->height, true); - bm_globals.shared_pens = NULL; - - glob = &bm_globals; - ami_clearclipreg(&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, bm_globals.bm, - 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_free_layers(&bm_globals); - amiga_bitmap_set_opaque(bitmap, true); - - /* Restore previous render area. This is set when plotting starts, - * but if bitmap_render is called *during* a browser render then - * having an invalid pointer here causes NetSurf to crash. - */ - glob = temp_gg; -#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); -} - -ULONG *ami_bitmap_get_icondata(struct bitmap *bm) -{ - return bm->icondata; -} - -void ami_bitmap_set_icondata(struct bitmap *bm, ULONG *icondata) -{ - bm->icondata = icondata; -} - -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; |