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187 lines
5.1 KiB
187 lines
5.1 KiB
/*
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* Copyright 2008,2009 Chris Young <chris@unsatisfactorysoftware.co.uk>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef AMIGA_BITMAP_H
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#define AMIGA_BITMAP_H
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#include <stdbool.h>
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#include <exec/types.h>
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#include <proto/graphics.h>
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#include <intuition/classusr.h>
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#include <libraries/Picasso96.h>
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#include "netsurf/bitmap.h"
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#define AMI_BITMAP_FORMAT RGBFB_A8R8G8B8
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#define AMI_BITMAP_SCALE_ICON 0xFF
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extern struct gui_bitmap_table *amiga_bitmap_table;
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struct bitmap;
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struct nsurl;
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struct gui_globals;
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struct BitMap *ami_bitmap_get_native(struct bitmap *bitmap,
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int width, int height, bool palette_mapped, struct BitMap *friendbm);
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PLANEPTR ami_bitmap_get_mask(struct bitmap *bitmap, int width,
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int height, struct BitMap *n_bm);
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Object *ami_datatype_object_from_bitmap(struct bitmap *bitmap);
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struct bitmap *ami_bitmap_from_datatype(char *filename);
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/**
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* Set bitmap URL
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*
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* \param bm a bitmap, as returned by bitmap_create()
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* \param url the url for the bitmap
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*
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* A reference will be kept by the bitmap object.
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* The URL can only ever be set once for a bitmap.
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*/
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void ami_bitmap_set_url(struct bitmap *bm, struct nsurl *url);
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/**
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* Set bitmap title
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*
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* \param bm a bitmap, as returned by bitmap_create()
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* \param title a pointer to a title string
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*
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* This is copied by the bitmap object.
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* The title can only ever be set once for a bitmap.
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*/
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void ami_bitmap_set_title(struct bitmap *bm, const char *title);
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/**
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* Set an icondata pointer
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*
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* \param bm a bitmap, as returned by bitmap_create()
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* \param icondata a pointer to memory
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*
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* This function probably shouldn't be here!
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*/
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void ami_bitmap_set_icondata(struct bitmap *bm, ULONG *icondata);
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/**
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* Free an icondata pointer
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*
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* \param bm a bitmap, as returned by bitmap_create()
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*
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* This function probably shouldn't be here!
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*/
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void ami_bitmap_free_icondata(struct bitmap *bm);
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/**
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* Test if a BitMap is owned by a bitmap.
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*
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* \param bm a bitmap, as returned by bitmap_create()
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* \param nbm a BitMap, as created by AllocBitMap()
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* \return true if the BitMap is owned by the bitmap
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*/
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bool ami_bitmap_is_nativebm(struct bitmap *bm, struct BitMap *nbm);
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/**
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* Cleanup bitmap allocations
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*/
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void ami_bitmap_fini(void);
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/**
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* Create a bitmap.
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*
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* \param width width of image in pixels
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* \param height width of image in pixels
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* \param flags flags for bitmap creation
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* \return an opaque struct bitmap, or NULL on memory exhaustion
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*/
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void *amiga_bitmap_create(int width, int height, enum gui_bitmap_flags flags);
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/**
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* Return a pointer to the pixel data in a bitmap.
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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* \return pointer to the pixel buffer
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*
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* The pixel data is packed as BITMAP_FORMAT, possibly with padding at the end
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* of rows. The width of a row in bytes is given by bitmap_get_rowstride().
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*/
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unsigned char *amiga_bitmap_get_buffer(void *bitmap);
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/**
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* Find the width of a pixel row in bytes.
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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* \return width of a pixel row in the bitmap
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*/
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size_t amiga_bitmap_get_rowstride(void *bitmap);
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/**
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* Return the width of a bitmap.
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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* \return width in pixels
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*/
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int bitmap_get_width(void *bitmap);
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/**
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* Return the height of a bitmap.
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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* \return height in pixels
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*/
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int bitmap_get_height(void *bitmap);
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/**
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* Free a bitmap.
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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*/
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void amiga_bitmap_destroy(void *bitmap);
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/**
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* Save a bitmap in the platform's native format.
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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* \param path pathname for file
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* \param flags flags controlling how the bitmap is saved.
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* \return true on success, false on error and error reported
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*/
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bool amiga_bitmap_save(void *bitmap, const char *path, unsigned flags);
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/**
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* The bitmap image has changed, so flush any persistant cache.
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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*/
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void amiga_bitmap_modified(void *bitmap);
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/**
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* Sets whether a bitmap should be plotted opaque
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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* \param opaque whether the bitmap should be plotted opaque
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*/
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void amiga_bitmap_set_opaque(void *bitmap, bool opaque);
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/**
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* Gets whether a bitmap should be plotted opaque
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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*/
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bool amiga_bitmap_get_opaque(void *bitmap);
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#endif
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