mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
synced 2026-01-02 22:52:26 +00:00
0b0342ee7e
Instead of passing a bunch of function pointer and an opaque pointer we make a real type and add a vtable pointer to it. This means we can simplify all the canvas constructors, etc.
87 lines
4.0 KiB
C
87 lines
4.0 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009 Red Hat, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program 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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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 _H__CANVAS
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#define _H__CANVAS
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#include <stdint.h>
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#include <spice/draw.h>
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#include "cairo.h"
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#include "canvas_base.h"
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#include "region.h"
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typedef struct CairoCanvas CairoCanvas;
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void canvas_draw_fill(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceFill *fill);
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void canvas_draw_copy(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceCopy *copy);
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void canvas_draw_opaque(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceOpaque *opaque);
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void canvas_copy_bits(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpicePoint *src_pos);
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void canvas_draw_text(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceText *text);
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void canvas_draw_stroke(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceStroke *stroke);
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void canvas_draw_rop3(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceRop3 *rop3);
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void canvas_draw_blend(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceBlend *blend);
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void canvas_draw_blackness(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceBlackness *blackness);
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void canvas_draw_whiteness(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceWhiteness *whiteness);
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void canvas_draw_invers(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceInvers *invers);
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void canvas_draw_transparent(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceTransparent* transparent);
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void canvas_draw_alpha_blend(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceAlphaBlnd* alpha_blend);
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#ifdef WIN32
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void canvas_put_image(CairoCanvas *canvas, HDC dc, const SpiceRect *dest, const uint8_t *src_data,
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uint32_t src_width, uint32_t src_height, int src_stride,
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const QRegion *clip);
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#else
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void canvas_put_image(CairoCanvas *canvas, const SpiceRect *dest, const uint8_t *src_data,
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uint32_t src_width, uint32_t src_height, int src_stride,
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const QRegion *clip);
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#endif
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void canvas_clear(CairoCanvas *canvas);
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void canvas_read_bits(CairoCanvas *canvas, uint8_t *dest, int dest_stride, const SpiceRect *area);
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void canvas_group_start(CairoCanvas *canvas, int n_clip_rects, SpiceRect *clip_rects);
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void canvas_group_end(CairoCanvas *canvas);
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void canvas_set_addr_delta(CairoCanvas *canvas, SPICE_ADDRESS delta);
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#ifdef CAIRO_CANVAS_ACCESS_TEST
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void canvas_set_access_params(CairoCanvas *canvas, unsigned long base, unsigned long max);
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#endif
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cairo_t *canvas_get_cairo(CairoCanvas *canvas);
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#ifdef CAIRO_CANVAS_CACHE
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CairoCanvas *canvas_create(cairo_t *cairo, int bits,
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SpiceImageCache *bits_cache,
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SpicePaletteCache *palette_cache
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#elif defined(CAIRO_CANVAS_IMAGE_CACHE)
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CairoCanvas *canvas_create(cairo_t *cairo, int bits,
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SpiceImageCache *bits_cache
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#else
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CairoCanvas *canvas_create(cairo_t *cairo, int bits
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#endif
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#ifdef USE_GLZ
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, void *glz_decoder_opaque, glz_decode_fn_t glz_decode
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#endif
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#ifndef CAIRO_CANVAS_NO_CHUNKS
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, void *get_virt_opaque, get_virt_fn_t get_virt,
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void *validate_virt_opaque, validate_virt_fn_t validate_virt
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#endif
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);
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void canvas_destroy(CairoCanvas *canvas);
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void cairo_canvas_init();
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#endif
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