forked from openkylin/gimp
94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimp-babl-compat.h
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* Copyright (C) 2012 Michael Natterer <mitch@gimp.org>
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*
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* This program 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; either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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 <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include "gimp-gegl-types.h"
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#include "gimp-babl.h"
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#include "gimp-babl-compat.h"
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GimpImageType
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gimp_babl_format_get_image_type (const Babl *format)
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{
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const Babl *model;
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g_return_val_if_fail (format != NULL, -1);
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model = babl_format_get_model (format);
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if (model == babl_model ("Y") ||
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model == babl_model ("Y'"))
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{
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return GIMP_GRAY_IMAGE;
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}
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else if (model == babl_model ("YA") ||
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model == babl_model ("Y'A"))
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{
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return GIMP_GRAYA_IMAGE;
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}
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else if (model == babl_model ("RGB") ||
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model == babl_model ("R'G'B'"))
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{
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return GIMP_RGB_IMAGE;
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}
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else if (model == babl_model ("RGBA") ||
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model == babl_model ("R'G'B'A"))
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{
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return GIMP_RGBA_IMAGE;
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}
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else if (babl_format_is_palette (format))
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{
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if (babl_format_has_alpha (format))
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return GIMP_INDEXEDA_IMAGE;
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else
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return GIMP_INDEXED_IMAGE;
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}
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g_return_val_if_reached (-1);
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}
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const Babl *
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gimp_babl_compat_u8_format (const Babl *format)
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{
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g_return_val_if_fail (format != NULL, NULL);
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/* indexed images only exist in u8, return the same format */
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if (babl_format_is_palette (format))
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return format;
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return gimp_babl_format (gimp_babl_format_get_base_type (format),
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GIMP_PRECISION_U8_GAMMA,
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babl_format_has_alpha (format));
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}
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const Babl *
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gimp_babl_compat_u8_mask_format (const Babl *format)
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{
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g_return_val_if_fail (format != NULL, NULL);
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return gimp_babl_format (gimp_babl_format_get_base_type (format),
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GIMP_PRECISION_U8_LINEAR,
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FALSE);
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}
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