[18608] | 1 | /* vim: set sw=4: -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ |
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| 2 | /* |
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| 3 | rsvg-paint-server.h : RSVG colors |
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| 4 | |
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| 5 | Copyright (C) 2000 Eazel, Inc. |
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| 6 | Copyright (C) 2002 Dom Lachowicz <cinamod@hotmail.com> |
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| 7 | |
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| 8 | This program is free software; you can redistribute it and/or |
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| 9 | modify it under the terms of the GNU Library General Public License as |
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| 10 | published by the Free Software Foundation; either version 2 of the |
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| 11 | License, or (at your option) any later version. |
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| 12 | |
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| 13 | This program is distributed in the hope that it will be useful, |
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | Library General Public License for more details. |
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| 17 | |
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| 18 | You should have received a copy of the GNU Library General Public |
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| 19 | License along with this program; if not, write to the |
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| 20 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 21 | Boston, MA 02111-1307, USA. |
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| 22 | |
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| 23 | Author: Raph Levien <raph@artofcode.com> |
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| 24 | */ |
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| 25 | |
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| 26 | #ifndef RSVG_PAINT_SERVER_H |
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| 27 | #define RSVG_PAINT_SERVER_H |
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| 28 | |
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[18274] | 29 | #include <glib/gtypes.h> |
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| 30 | #include <libart_lgpl/art_render_gradient.h> |
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| 31 | #include "rsvg-defs.h" |
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| 32 | |
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[18608] | 33 | G_BEGIN_DECLS |
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| 34 | |
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[17276] | 35 | typedef struct _RsvgGradientStop RsvgGradientStop; |
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| 36 | typedef struct _RsvgGradientStops RsvgGradientStops; |
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| 37 | typedef struct _RsvgLinearGradient RsvgLinearGradient; |
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| 38 | typedef struct _RsvgRadialGradient RsvgRadialGradient; |
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| 39 | |
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| 40 | typedef struct _RsvgPaintServer RsvgPaintServer; |
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| 41 | |
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| 42 | typedef struct _RsvgPSCtx RsvgPSCtx; |
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| 43 | |
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| 44 | struct _RsvgPSCtx { |
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[18804] | 45 | int dummy; |
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| 46 | /* todo: we need to take in some context information, including: |
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| 47 | |
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| 48 | 1. The global affine transformation. |
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| 49 | |
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| 50 | 2. User coordinates at time of reference (to implement |
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| 51 | gradientUnits = "userSpaceOnUse"). |
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| 52 | |
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| 53 | 3. Object bounding box (to implement gradientUnits = |
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| 54 | "objectBoundingBox"). |
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| 55 | |
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| 56 | Maybe signal for lazy evaluation of object bbox. |
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| 57 | */ |
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[17276] | 58 | }; |
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| 59 | |
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| 60 | struct _RsvgGradientStop { |
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[18804] | 61 | double offset; |
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| 62 | guint32 rgba; |
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[17276] | 63 | }; |
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| 64 | |
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| 65 | struct _RsvgGradientStops { |
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[18804] | 66 | int n_stop; |
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| 67 | RsvgGradientStop *stop; |
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[17276] | 68 | }; |
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| 69 | |
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| 70 | struct _RsvgLinearGradient { |
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[18804] | 71 | RsvgDefVal super; |
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| 72 | gboolean obj_bbox; |
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| 73 | double affine[6]; /* user space to actual at time of gradient def */ |
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| 74 | RsvgGradientStops *stops; |
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| 75 | ArtGradientSpread spread; |
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| 76 | double x1, y1; |
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| 77 | double x2, y2; |
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[17276] | 78 | }; |
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| 79 | |
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| 80 | struct _RsvgRadialGradient { |
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[18804] | 81 | RsvgDefVal super; |
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| 82 | gboolean obj_bbox; |
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| 83 | double affine[6]; /* user space to actual at time of gradient def */ |
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| 84 | RsvgGradientStops *stops; |
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| 85 | ArtGradientSpread spread; |
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| 86 | double cx, cy; |
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| 87 | double r; |
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| 88 | double fx, fy; |
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[17276] | 89 | }; |
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| 90 | |
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| 91 | /* Create a new paint server based on a specification string. */ |
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| 92 | RsvgPaintServer * |
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| 93 | rsvg_paint_server_parse (const RsvgDefs *defs, const char *str); |
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| 94 | |
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| 95 | void |
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| 96 | rsvg_render_paint_server (ArtRender *ar, RsvgPaintServer *ps, |
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[18804] | 97 | const RsvgPSCtx *ctx); |
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[17276] | 98 | |
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| 99 | void |
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| 100 | rsvg_paint_server_ref (RsvgPaintServer *ps); |
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| 101 | |
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| 102 | void |
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| 103 | rsvg_paint_server_unref (RsvgPaintServer *ps); |
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| 104 | |
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[18608] | 105 | RsvgRadialGradient * |
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| 106 | rsvg_clone_radial_gradient (const RsvgRadialGradient *grad, gboolean * shallow_cloned); |
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| 107 | |
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| 108 | RsvgLinearGradient * |
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| 109 | rsvg_clone_linear_gradient (const RsvgLinearGradient *grad, gboolean * shallow_cloned); |
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| 110 | |
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| 111 | G_END_DECLS |
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| 112 | |
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| 113 | #endif |
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