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https://gitlab.uni-freiburg.de/opensourcevdi/spice
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ddf7b366b1
verify guarantee that the condition is always a compile time constant. Signed-off-by: Frediano Ziglio <fziglio@redhat.com> Acked-by: Jonathon Jongsma <jjongsma@redhat.com>
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009-2015 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SPICE_BITMAP_UTILS_H_
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#define SPICE_BITMAP_UTILS_H_
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#include "red-common.h"
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typedef enum {
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BITMAP_GRADUAL_INVALID,
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BITMAP_GRADUAL_NOT_AVAIL,
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BITMAP_GRADUAL_LOW,
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BITMAP_GRADUAL_MEDIUM,
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BITMAP_GRADUAL_HIGH,
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} BitmapGradualType;
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typedef struct {
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uint8_t b;
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uint8_t g;
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uint8_t r;
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uint8_t pad;
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} rgb32_pixel_t;
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verify(sizeof(rgb32_pixel_t) == 4);
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typedef struct {
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uint8_t b;
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uint8_t g;
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uint8_t r;
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} rgb24_pixel_t;
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verify(sizeof(rgb24_pixel_t) == 3);
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typedef uint16_t rgb16_pixel_t;
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static inline int bitmap_fmt_get_bytes_per_pixel(uint8_t fmt)
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{
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static const int bytes_per_pixel[] = {0, 0, 0, 0, 0, 1, 2, 3, 4, 4, 1};
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spice_return_val_if_fail(fmt < SPICE_N_ELEMENTS(bytes_per_pixel), 0);
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return bytes_per_pixel[fmt];
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}
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static inline int bitmap_fmt_is_plt(uint8_t fmt)
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{
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static const int fmt_is_plt[] = {0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0};
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spice_return_val_if_fail(fmt < SPICE_N_ELEMENTS(fmt_is_plt), 0);
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return fmt_is_plt[fmt];
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}
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static inline int bitmap_fmt_is_rgb(uint8_t fmt)
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{
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static const int fmt_is_rgb[] = {0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1};
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spice_return_val_if_fail(fmt < SPICE_N_ELEMENTS(fmt_is_rgb), 0);
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return fmt_is_rgb[fmt];
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}
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static inline int bitmap_fmt_has_graduality(uint8_t fmt)
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{
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return bitmap_fmt_is_rgb(fmt) && fmt != SPICE_BITMAP_FMT_8BIT_A;
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}
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BitmapGradualType bitmap_get_graduality_level (SpiceBitmap *bitmap);
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int bitmap_has_extra_stride (SpiceBitmap *bitmap);
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void dump_bitmap(SpiceBitmap *bitmap);
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int spice_bitmap_from_surface_type(uint32_t surface_format);
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#endif /* SPICE_BITMAP_UTILS_H_ */
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