mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-16 17:22:44 +03:00
138 lines
3.9 KiB
C
Executable File
138 lines
3.9 KiB
C
Executable File
/*
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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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#define AMI_BITMAP_FORMAT RGBFB_R8G8B8A8
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#define AMI_BITMAP_SCALE_ICON 0xFF
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struct gui_bitmap_table *amiga_bitmap_table;
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struct bitmap {
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int width;
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int height;
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UBYTE *pixdata;
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bool opaque;
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struct BitMap *nativebm;
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int nativebmwidth;
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int nativebmheight;
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PLANEPTR native_mask;
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Object *dto;
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char *url; /* temporary storage space */
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char *title; /* temporary storage space */
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ULONG *icondata; /* for appicons */
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};
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struct BitMap *ami_bitmap_get_native(struct bitmap *bitmap,
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int width, int height, 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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#ifndef __amigaos4__
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void ami_bitmap_argb_to_rgba(struct bitmap *bm);
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#endif
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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 state a flag word indicating the initial state
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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, unsigned int state);
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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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* 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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* Tests whether a bitmap has an opaque alpha channel
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*
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* \param bitmap a bitmap, as returned by bitmap_create()
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* \return whether the bitmap is opaque
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*/
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bool amiga_bitmap_test_opaque(void *bitmap);
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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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