19918707358

Committed 04 Dec 2025 05:12AM UTC coverage: 38.402% (-4.0%) from 42.395%

Build # 19918707358

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push

github

Committed by

saitoha

Commit Message

tests: fix meson msys dll lookup

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69.39

/src/output.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2025 libsixel developers. See `AUTHORS`.
 * Copyright (c) 2014-2019 Hayaki Saito
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "config.h"

/* STDC_HEADERS */
# include <stdio.h>
# include <stdlib.h>

#if 0
#if HAVE_ASSERT_H
# include <assert.h>
#endif  /* HAVE_ASSERT_H */
#endif

#include <sixel.h>
#include "output.h"


/* create new output context object */
SIXELAPI SIXELSTATUS
sixel_output_new(
    sixel_output_t          /* out */ **output,
    sixel_write_function    /* in */  fn_write,
    void                    /* in */  *priv,
    sixel_allocator_t       /* in */  *allocator)
{
    SIXELSTATUS status = SIXEL_FALSE;
    size_t size;

    if (allocator == NULL) {
        status = sixel_allocator_new(&allocator, NULL, NULL, NULL, NULL);
        if (SIXEL_FAILED(status)) {
            goto end;
        }
    } else {
        sixel_allocator_ref(allocator);
    }
    size = sizeof(sixel_output_t) + SIXEL_OUTPUT_PACKET_SIZE * 2;

    *output = (sixel_output_t *)sixel_allocator_malloc(allocator, size);
    if (*output == NULL) {
        sixel_helper_set_additional_message(
            "sixel_output_new: sixel_allocator_malloc() failed.");
        status = SIXEL_BAD_ALLOCATION;
        goto end;
    }

    (*output)->ref = 1;
    (*output)->has_8bit_control = 0;
    (*output)->has_sdm_glitch = 0;
    (*output)->has_gri_arg_limit = 1;
    (*output)->skip_dcs_envelope = 0;
    (*output)->skip_header = 0;
    (*output)->palette_type = SIXEL_PALETTETYPE_AUTO;
    (*output)->colorspace = SIXEL_COLORSPACE_GAMMA;
    (*output)->source_colorspace = SIXEL_COLORSPACE_GAMMA;
    (*output)->pixelformat = SIXEL_PIXELFORMAT_RGB888;
    (*output)->fn_write = fn_write;
    (*output)->save_pixel = 0;
    (*output)->save_count = 0;
    (*output)->active_palette = (-1);
    (*output)->node_top = NULL;
    (*output)->node_free = NULL;
    (*output)->priv = priv;
    (*output)->pos = 0;
    (*output)->penetrate_multiplexer = 0;
    (*output)->encode_policy = SIXEL_ENCODEPOLICY_AUTO;
    (*output)->ormode = 0;
    (*output)->last_clock = 0;
    (*output)->allocator = allocator;

    status = SIXEL_OK;

end:
    return status;
}


/* deprecated: create an output object */
SIXELAPI sixel_output_t *
sixel_output_create(sixel_write_function fn_write, void *priv)
{
    SIXELSTATUS status = SIXEL_FALSE;
    sixel_output_t *output = NULL;

    status = sixel_output_new(&output, fn_write, priv, NULL);
    if (SIXEL_FAILED(status)) {
        goto end;
    }

end:
    return output;
}


/* destroy output context object */
SIXELAPI void
sixel_output_destroy(sixel_output_t *output)
{
    sixel_allocator_t *allocator;

    if (output) {
        allocator = output->allocator;
        sixel_allocator_free(allocator, output);
        sixel_allocator_unref(allocator);
    }
}


/* increase reference count of output context object (thread-unsafe) */
SIXELAPI void
sixel_output_ref(sixel_output_t *output)
{
    /* TODO: be thread-safe */
    ++output->ref;
}


/* decrease reference count of output context object (thread-unsafe) */
SIXELAPI void
sixel_output_unref(sixel_output_t *output)
{
    /* TODO: be thread-safe */
    if (output) {
#if 0
        assert(output->ref > 0);
#endif
        output->ref--;
        if (output->ref == 0) {
            sixel_output_destroy(output);
        }
    }
}


/* get 8bit output mode which indicates whether it uses C1 control characters */
SIXELAPI int
sixel_output_get_8bit_availability(sixel_output_t *output)
{
    return output->has_8bit_control;
}


/* set 8bit output mode state */
SIXELAPI void
sixel_output_set_8bit_availability(sixel_output_t *output, int availability)
{
    output->has_8bit_control = availability;
}


/* set whether limit arguments of DECGRI('!') to 255 */
SIXELAPI void
sixel_output_set_gri_arg_limit(
    sixel_output_t /* in */ *output, /* output context */
    int            /* in */ value)   /* 0: don't limit arguments of DECGRI
                                        1: limit arguments of DECGRI to 255 */
{
    output->has_gri_arg_limit = value;
}


/* set GNU Screen penetration feature enable or disable */
SIXELAPI void
sixel_output_set_penetrate_multiplexer(sixel_output_t *output, int penetrate)
{
    output->penetrate_multiplexer = penetrate;
}


/* set whether we skip DCS envelope */
SIXELAPI void
sixel_output_set_skip_dcs_envelope(sixel_output_t *output, int skip)
{
    output->skip_dcs_envelope = skip;
}


SIXELAPI void
sixel_output_set_skip_header(sixel_output_t *output, int skip)
{
    output->skip_header = skip;
}


/* set palette type: RGB or HLS */
SIXELAPI void
sixel_output_set_palette_type(sixel_output_t *output, int palettetype)
{
    output->palette_type = palettetype;
}


SIXELAPI void
sixel_output_set_ormode(sixel_output_t *output, int ormode)
{
    output->ormode = ormode;
}


/* set encodeing policy: auto, fast or size */
SIXELAPI void
sixel_output_set_encode_policy(sixel_output_t *output, int encode_policy)
{
    output->encode_policy = encode_policy;
}


SIXELAPI SIXELSTATUS
sixel_output_convert_colorspace(sixel_output_t *output,
                                unsigned char *pixels,
                                size_t size)
{
    SIXELSTATUS status = SIXEL_FALSE;

    if (output == NULL || pixels == NULL) {
        sixel_helper_set_additional_message(
            "sixel_output_convert_colorspace: invalid argument.");
        return SIXEL_BAD_ARGUMENT;
    }

    status = sixel_helper_convert_colorspace(pixels,
                                             size,
                                             output->pixelformat,
                                             output->source_colorspace,
                                             output->colorspace);
    if (SIXEL_FAILED(status)) {
        return status;
    }

    output->source_colorspace = output->colorspace;

    return SIXEL_OK;
}

/* emacs Local Variables:      */
/* emacs mode: c               */
/* emacs tab-width: 4          */
/* emacs indent-tabs-mode: nil */
/* emacs c-basic-offset: 4     */
/* emacs End:                  */
/* vim: set expandtab ts=4 sts=4 sw=4 : */
/* EOF */

1	/*
2	* SPDX-License-Identifier: MIT
3	*
4	* Copyright (c) 2025 libsixel developers. See `AUTHORS`.
5	* Copyright (c) 2014-2019 Hayaki Saito
6	*
7	* Permission is hereby granted, free of charge, to any person obtaining a copy of
8	* this software and associated documentation files (the "Software"), to deal in
9	* the Software without restriction, including without limitation the rights to
10	* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
11	* the Software, and to permit persons to whom the Software is furnished to do so,
12	* subject to the following conditions:
13	*
14	* The above copyright notice and this permission notice shall be included in all
15	* copies or substantial portions of the Software.
16	*
17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
19	* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
20	* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
21	* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23	*/
24
25	#include "config.h"
26
27	/* STDC_HEADERS */
28	# include <stdio.h>
29	# include <stdlib.h>
30
31	#if 0
32	#if HAVE_ASSERT_H
33	# include <assert.h>
34	#endif /* HAVE_ASSERT_H */
35	#endif
36
37	#include <sixel.h>
38	#include "output.h"
39
40
41	/* create new output context object */
42	SIXELAPI SIXELSTATUS
43	sixel_output_new(	519✔
44	sixel_output_t /* out / *output,
45	sixel_write_function /* in */ fn_write,
46	void /* in / priv,
47	sixel_allocator_t /* in / allocator)
48	{
49	SIXELSTATUS status = SIXEL_FALSE;	519✔
50	size_t size;	519✔
51
52	if (allocator == NULL) {	519!
53	status = sixel_allocator_new(&allocator, NULL, NULL, NULL, NULL);	×
54	if (SIXEL_FAILED(status)) {	×
55	goto end;	×
56	}
57	} else {
58	sixel_allocator_ref(allocator);	519✔
59	}
60	size = sizeof(sixel_output_t) + SIXEL_OUTPUT_PACKET_SIZE * 2;	519✔
61
62	output = (sixel_output_t )sixel_allocator_malloc(allocator, size);	519✔
63	if (*output == NULL) {	519!
64	sixel_helper_set_additional_message(	×
65	"sixel_output_new: sixel_allocator_malloc() failed.");
66	status = SIXEL_BAD_ALLOCATION;	×
67	goto end;	×
68	}
69
70	(*output)->ref = 1;	519✔
71	(*output)->has_8bit_control = 0;	519✔
72	(*output)->has_sdm_glitch = 0;	519✔
73	(*output)->has_gri_arg_limit = 1;	519✔
74	(*output)->skip_dcs_envelope = 0;	519✔
75	(*output)->skip_header = 0;	519✔
76	(*output)->palette_type = SIXEL_PALETTETYPE_AUTO;	519✔
77	(*output)->colorspace = SIXEL_COLORSPACE_GAMMA;	519✔
78	(*output)->source_colorspace = SIXEL_COLORSPACE_GAMMA;	519✔
79	(*output)->pixelformat = SIXEL_PIXELFORMAT_RGB888;	519✔
80	(*output)->fn_write = fn_write;	519✔
81	(*output)->save_pixel = 0;	519✔
82	(*output)->save_count = 0;	519✔
83	(*output)->active_palette = (-1);	519✔
84	(*output)->node_top = NULL;	519✔
85	(*output)->node_free = NULL;	519✔
86	(*output)->priv = priv;	519✔
87	(*output)->pos = 0;	519✔
88	(*output)->penetrate_multiplexer = 0;	519✔
89	(*output)->encode_policy = SIXEL_ENCODEPOLICY_AUTO;	519✔
90	(*output)->ormode = 0;	519✔
91	(*output)->last_clock = 0;	519✔
92	(*output)->allocator = allocator;	519✔
93
94	status = SIXEL_OK;	519✔
95
96	end:	519✔
97	return status;	519✔
98	}
99
100
101	/* deprecated: create an output object */
102	SIXELAPI sixel_output_t *
103	sixel_output_create(sixel_write_function fn_write, void *priv)	×
104	{
105	SIXELSTATUS status = SIXEL_FALSE;	×
106	sixel_output_t *output = NULL;	×
107
108	status = sixel_output_new(&output, fn_write, priv, NULL);	×
109	if (SIXEL_FAILED(status)) {	×
110	goto end;
111	}
112
113	end:	×
114	return output;	×
115	}
116
117
118	/* destroy output context object */
119	SIXELAPI void
120	sixel_output_destroy(sixel_output_t *output)	519✔
121	{
122	sixel_allocator_t *allocator;	519✔
123
124	if (output) {	519!
125	allocator = output->allocator;	519✔
126	sixel_allocator_free(allocator, output);	519✔
127	sixel_allocator_unref(allocator);	519✔
128	}
129	}	519✔
130
131
132	/* increase reference count of output context object (thread-unsafe) */
133	SIXELAPI void
134	sixel_output_ref(sixel_output_t *output)	489✔
135	{
136	/* TODO: be thread-safe */
137	++output->ref;	489✔
138	}	489✔
139
140
141	/* decrease reference count of output context object (thread-unsafe) */
142	SIXELAPI void
143	sixel_output_unref(sixel_output_t *output)	1,008✔
144	{
145	/* TODO: be thread-safe */
146	if (output) {	1,008!
147	#if 0
148	assert(output->ref > 0);
149	#endif
150	output->ref--;	1,008✔
151	if (output->ref == 0) {	1,008✔
152	sixel_output_destroy(output);	519✔
153	}
154	}
155	}	1,008✔
156
157
158	/* get 8bit output mode which indicates whether it uses C1 control characters */
159	SIXELAPI int
160	sixel_output_get_8bit_availability(sixel_output_t *output)	×
161	{
162	return output->has_8bit_control;	×
163	}
164
165
166	/* set 8bit output mode state */
167	SIXELAPI void
168	sixel_output_set_8bit_availability(sixel_output_t *output, int availability)	519✔
169	{
170	output->has_8bit_control = availability;	519✔
171	}	519✔
172
173
174	/* set whether limit arguments of DECGRI('!') to 255 */
175	SIXELAPI void
176	sixel_output_set_gri_arg_limit(	519✔
177	sixel_output_t /* in / output, /* output context */
178	int /* in / value) / 0: don't limit arguments of DECGRI
179	1: limit arguments of DECGRI to 255 */
180	{
181	output->has_gri_arg_limit = value;	519✔
182	}	519✔
183
184
185	/* set GNU Screen penetration feature enable or disable */
186	SIXELAPI void
187	sixel_output_set_penetrate_multiplexer(sixel_output_t *output, int penetrate)	519✔
188	{
189	output->penetrate_multiplexer = penetrate;	519✔
190	}	519✔
191
192
193	/* set whether we skip DCS envelope */
194	SIXELAPI void
195	sixel_output_set_skip_dcs_envelope(sixel_output_t *output, int skip)	×
196	{
197	output->skip_dcs_envelope = skip;	×
198	}	×
199
200
201	SIXELAPI void
202	sixel_output_set_skip_header(sixel_output_t *output, int skip)	×
203	{
204	output->skip_header = skip;	×
205	}	×
206
207
208	/* set palette type: RGB or HLS */
209	SIXELAPI void
210	sixel_output_set_palette_type(sixel_output_t *output, int palettetype)	519✔
211	{
212	output->palette_type = palettetype;	519✔
213	}	519✔
214
215
216	SIXELAPI void
217	sixel_output_set_ormode(sixel_output_t *output, int ormode)	519✔
218	{
219	output->ormode = ormode;	519✔
220	}	519✔
221
222
223	/* set encodeing policy: auto, fast or size */
224	SIXELAPI void
225	sixel_output_set_encode_policy(sixel_output_t *output, int encode_policy)	519✔
226	{
227	output->encode_policy = encode_policy;	519✔
228	}	519✔
229
230
231	SIXELAPI SIXELSTATUS
232	sixel_output_convert_colorspace(sixel_output_t *output,	×
233	unsigned char *pixels,
234	size_t size)
235	{
236	SIXELSTATUS status = SIXEL_FALSE;	×
237
238	if (output == NULL \|\| pixels == NULL) {	×
239	sixel_helper_set_additional_message(	×
240	"sixel_output_convert_colorspace: invalid argument.");
241	return SIXEL_BAD_ARGUMENT;	×
242	}
243
244	status = sixel_helper_convert_colorspace(pixels,	×
245	size,
246	output->pixelformat,
247	output->source_colorspace,
248	output->colorspace);
249	if (SIXEL_FAILED(status)) {	×
250	return status;
251	}
252
253	output->source_colorspace = output->colorspace;	×
254
255	return SIXEL_OK;	×
256	}
257
258	/* emacs Local Variables: */
259	/* emacs mode: c */
260	/* emacs tab-width: 4 */
261	/* emacs indent-tabs-mode: nil */
262	/* emacs c-basic-offset: 4 */
263	/* emacs End: */
264	/* vim: set expandtab ts=4 sts=4 sw=4 : */
265	/* EOF */

saitoha / libsixel / 19918707358

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