HarfBuzz text shaping engine
http://harfbuzz.github.io/
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95 lines
4.4 KiB
95 lines
4.4 KiB
/* |
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* Copyright © 2022 Red Hat, Inc |
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* |
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* This is part of HarfBuzz, a text shaping library. |
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* |
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* Permission is hereby granted, without written agreement and without |
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* license or royalty fees, to use, copy, modify, and distribute this |
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* software and its documentation for any purpose, provided that the |
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* above copyright notice and the following two paragraphs appear in |
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* all copies of this software. |
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* |
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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* |
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* Google Author(s): Matthias Clasen |
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*/ |
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#pragma once |
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#include <hb.h> |
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#include <cairo.h> |
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HB_BEGIN_DECLS |
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static inline cairo_operator_t |
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hb_paint_composite_mode_to_cairo (hb_paint_composite_mode_t mode) |
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{ |
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switch (mode) |
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{ |
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case HB_PAINT_COMPOSITE_MODE_CLEAR: return CAIRO_OPERATOR_CLEAR; |
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case HB_PAINT_COMPOSITE_MODE_SRC: return CAIRO_OPERATOR_SOURCE; |
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case HB_PAINT_COMPOSITE_MODE_DEST: return CAIRO_OPERATOR_DEST; |
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case HB_PAINT_COMPOSITE_MODE_SRC_OVER: return CAIRO_OPERATOR_OVER; |
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case HB_PAINT_COMPOSITE_MODE_DEST_OVER: return CAIRO_OPERATOR_DEST_OVER; |
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case HB_PAINT_COMPOSITE_MODE_SRC_IN: return CAIRO_OPERATOR_IN; |
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case HB_PAINT_COMPOSITE_MODE_DEST_IN: return CAIRO_OPERATOR_DEST_IN; |
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case HB_PAINT_COMPOSITE_MODE_SRC_OUT: return CAIRO_OPERATOR_OUT; |
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case HB_PAINT_COMPOSITE_MODE_DEST_OUT: return CAIRO_OPERATOR_DEST_OUT; |
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case HB_PAINT_COMPOSITE_MODE_SRC_ATOP: return CAIRO_OPERATOR_ATOP; |
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case HB_PAINT_COMPOSITE_MODE_DEST_ATOP: return CAIRO_OPERATOR_DEST_ATOP; |
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case HB_PAINT_COMPOSITE_MODE_XOR: return CAIRO_OPERATOR_XOR; |
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case HB_PAINT_COMPOSITE_MODE_PLUS: return CAIRO_OPERATOR_ADD; |
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case HB_PAINT_COMPOSITE_MODE_SCREEN: return CAIRO_OPERATOR_SCREEN; |
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case HB_PAINT_COMPOSITE_MODE_OVERLAY: return CAIRO_OPERATOR_OVERLAY; |
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case HB_PAINT_COMPOSITE_MODE_DARKEN: return CAIRO_OPERATOR_DARKEN; |
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case HB_PAINT_COMPOSITE_MODE_LIGHTEN: return CAIRO_OPERATOR_LIGHTEN; |
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case HB_PAINT_COMPOSITE_MODE_COLOR_DODGE: return CAIRO_OPERATOR_COLOR_DODGE; |
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case HB_PAINT_COMPOSITE_MODE_COLOR_BURN: return CAIRO_OPERATOR_COLOR_BURN; |
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case HB_PAINT_COMPOSITE_MODE_HARD_LIGHT: return CAIRO_OPERATOR_HARD_LIGHT; |
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case HB_PAINT_COMPOSITE_MODE_SOFT_LIGHT: return CAIRO_OPERATOR_SOFT_LIGHT; |
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case HB_PAINT_COMPOSITE_MODE_DIFFERENCE: return CAIRO_OPERATOR_DIFFERENCE; |
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case HB_PAINT_COMPOSITE_MODE_EXCLUSION: return CAIRO_OPERATOR_EXCLUSION; |
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case HB_PAINT_COMPOSITE_MODE_MULTIPLY: return CAIRO_OPERATOR_MULTIPLY; |
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case HB_PAINT_COMPOSITE_MODE_HSL_HUE: return CAIRO_OPERATOR_HSL_HUE; |
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case HB_PAINT_COMPOSITE_MODE_HSL_SATURATION: return CAIRO_OPERATOR_HSL_SATURATION; |
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case HB_PAINT_COMPOSITE_MODE_HSL_COLOR: return CAIRO_OPERATOR_HSL_COLOR; |
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case HB_PAINT_COMPOSITE_MODE_HSL_LUMINOSITY: return CAIRO_OPERATOR_HSL_LUMINOSITY; |
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default:; |
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} |
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return CAIRO_OPERATOR_SOURCE; |
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} |
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void hb_cairo_paint_glyph_image (cairo_t *cr, |
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hb_blob_t *blob, |
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hb_tag_t format, |
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float slant, |
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hb_glyph_extents_t *extents); |
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void hb_cairo_paint_linear_gradient (cairo_t *cr, |
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hb_color_line_t *color_line, |
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float x0, float y0, |
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float x1, float y1, |
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float x2, float y2); |
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void hb_cairo_paint_radial_gradient (cairo_t *cr, |
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hb_color_line_t *color_line, |
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float x0, float y0, float r0, |
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float x1, float y1, float r1); |
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void hb_cairo_paint_sweep_gradient (cairo_t *cr, |
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hb_color_line_t *color_line, |
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float x0, float y0, |
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float start_angle, float end_angle); |
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HB_END_DECLS
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