dnrops
/
gimp
mirror of https://github.com/GNOME/gimp.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

include <libgimpmath/gimpmathtypes.h>. 

2003-07-07  Sven Neumann  <sven@gimp.org>

	* libgimpbase/gimpbasetypes.h: include <libgimpmath/gimpmathtypes.h>.

	* libgimpmath/gimpmathtypes.h
	* libgimpmath/gimpmatrix.[ch]: added GimpMatrix2 struct definition
	and new function gimp_matrix2_identity().

	* app/config/gimpconfig-deserialize.c
	* app/config/gimpconfig-params.[ch]
	* app/config/gimpconfig-serialize.c
	* app/config/gimpconfig-types.[ch]
	* app/config/gimpconfig.c
	* app/config/gimpscanner.[ch]: added a boxed type around GimpMatrix2.

	* app/text/gimptext.[ch]: added new property "transformation".
This commit is contained in:
Sven Neumann 2003-07-07 16:22:45 +00:00 committed by Sven Neumann
parent 11c42a09a9
commit 6f83a52571
24 changed files with 583 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
ChangeLog
View File

@ -1,3 +1,20 @@
2003-07-07 Sven Neumann <sven@gimp.org>
* libgimpbase/gimpbasetypes.h: include <libgimpmath/gimpmathtypes.h>.
* libgimpmath/gimpmathtypes.h
* libgimpmath/gimpmatrix.[ch]: added GimpMatrix2 struct definition
and new function gimp_matrix2_identity().
* app/config/gimpconfig-deserialize.c
* app/config/gimpconfig-params.[ch]
* app/config/gimpconfig-serialize.c
* app/config/gimpconfig-types.[ch]
* app/config/gimpconfig.c
* app/config/gimpscanner.[ch]: added a boxed type around GimpMatrix2.
* app/text/gimptext.[ch]: added new property "transformation".
2003-07-07 Sven Neumann <sven@gimp.org>
* libgimpmath/gimpvector.[ch]: added const qualifiers.

23
app/config/gimpconfig-deserialize.c
View File

@ -33,6 +33,7 @@
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "config-types.h"
@ -77,6 +78,9 @@ static GTokenType gimp_config_deserialize_path (GValue *value,
static GTokenType gimp_config_deserialize_color (GValue *value,
GParamSpec *prop_spec,
GScanner *scanner);
static GTokenType gimp_config_deserialize_matrix2 (GValue *value,
GParamSpec *prop_spec,
GScanner *scanner);
static GTokenType gimp_config_deserialize_object (GValue *value,
GObject *object,
GParamSpec *prop_spec,
@ -346,6 +350,10 @@ gimp_config_deserialize_value (GValue *value,
{
return gimp_config_deserialize_color (value, prop_spec, scanner);
}
else if (prop_spec->value_type == GIMP_TYPE_MATRIX2)
{
return gimp_config_deserialize_matrix2 (value, prop_spec, scanner);
}
else if (prop_spec->value_type == G_TYPE_VALUE_ARRAY)
{
return gimp_config_deserialize_value_array (value,
@ -600,6 +608,21 @@ gimp_config_deserialize_color (GValue *value,
return G_TOKEN_RIGHT_PAREN;
}
static GTokenType
gimp_config_deserialize_matrix2 (GValue *value,
GParamSpec *prop_spec,
GScanner *scanner)
{
GimpMatrix2 matrix;
if (! gimp_scanner_parse_matrix2 (scanner, &matrix))
return G_TOKEN_NONE;
g_value_set_boxed (value, &matrix);
return G_TOKEN_RIGHT_PAREN;
}
static GTokenType
gimp_config_deserialize_object (GValue *value,
GObject *object,

124
app/config/gimpconfig-params.c
View File

@ -25,6 +25,9 @@
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "config-types.h"
#include "gimpconfig-params.h"
#include "gimpconfig-types.h"
@ -188,6 +191,127 @@ gimp_param_spec_color (const gchar *name,
}
/*
* GIMP_TYPE_PARAM_MATRIX2
*/
#define GIMP_PARAM_SPEC_MATRIX2(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GIMP_TYPE_PARAM_MATRIX2, GimpParamSpecMatrix2))
static void gimp_param_matrix2_class_init (GParamSpecClass *class);
static void gimp_param_matrix2_init (GParamSpec *pspec);
static void gimp_param_matrix2_set_default (GParamSpec *pspec,
GValue *value);
static gint gimp_param_matrix2_values_cmp (GParamSpec *pspec,
const GValue *value1,
const GValue *value2);
typedef struct _GimpParamSpecMatrix2 GimpParamSpecMatrix2;
struct _GimpParamSpecMatrix2
{
GParamSpecBoxed parent_instance;
GimpMatrix2 default_value;
};
GType
gimp_param_matrix2_get_type (void)
{
static GType spec_type = 0;
if (!spec_type)
{
static const GTypeInfo type_info =
{
sizeof (GParamSpecClass),
NULL, NULL,
(GClassInitFunc) gimp_param_matrix2_class_init,
NULL, NULL,
sizeof (GimpParamSpecMatrix2),
0,
(GInstanceInitFunc) gimp_param_matrix2_init
};
spec_type = g_type_register_static (G_TYPE_PARAM_BOXED,
"GimpParamMatrix2",
&type_info, 0);
}
return spec_type;
}
static void
gimp_param_matrix2_class_init (GParamSpecClass *class)
{
class->value_type = GIMP_TYPE_MATRIX2;
class->value_set_default = gimp_param_matrix2_set_default;
class->values_cmp = gimp_param_matrix2_values_cmp;
}
static void
gimp_param_matrix2_init (GParamSpec *pspec)
{
GimpParamSpecMatrix2 *cspec = GIMP_PARAM_SPEC_MATRIX2 (pspec);
gimp_matrix2_identity (&cspec->default_value);
}
static void
gimp_param_matrix2_set_default (GParamSpec *pspec,
GValue *value)
{
GimpParamSpecMatrix2 *cspec = GIMP_PARAM_SPEC_MATRIX2 (pspec);
g_value_set_static_boxed (value, &cspec->default_value);
}
static gint
gimp_param_matrix2_values_cmp (GParamSpec *pspec,
const GValue *value1,
const GValue *value2)
{
GimpMatrix2 *matrix1;
GimpMatrix2 *matrix2;
gint i, j;
matrix1 = value1->data[0].v_pointer;
matrix2 = value2->data[0].v_pointer;
/* try to return at least *something*, it's useless anyway... */
if (! matrix1)
return matrix2 != NULL ? -1 : 0;
else if (! matrix2)
return matrix1 != NULL;
for (i = 0; i < 2; i++)
for (j = 0; j < 2; j++)
if (matrix1->coeff[i][j] != matrix2->coeff[i][j])
return 1;
return 0;
}
GParamSpec *
gimp_param_spec_matrix2 (const gchar *name,
const gchar *nick,
const gchar *blurb,
const GimpMatrix2 *default_value,
GParamFlags flags)
{
GimpParamSpecMatrix2 *cspec;
g_return_val_if_fail (default_value != NULL, NULL);
cspec = g_param_spec_internal (GIMP_TYPE_PARAM_MATRIX2,
name, nick, blurb, flags);
cspec->default_value = *default_value;
return G_PARAM_SPEC (cspec);
}
/*
* GIMP_TYPE_PARAM_MEMSIZE
*/

22
app/config/gimpconfig-params.h
View File

@ -50,6 +50,22 @@ GParamSpec * gimp_param_spec_color (const gchar *name,
GParamFlags flags);
/*
* GIMP_TYPE_PARAM_MATRIX2
*/
#define GIMP_TYPE_PARAM_MATRIX2 (gimp_param_matrix2_get_type ())
#define GIMP_IS_PARAM_SPEC_MATRIX2(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GIMP_TYPE_PARAM_MATRIX2))
GType gimp_param_matrix2_get_type (void) G_GNUC_CONST;
GParamSpec * gimp_param_spec_matrix2 (const gchar *name,
const gchar *nick,
const gchar *blurb,
const GimpMatrix2 *default_value,
GParamFlags flags);
/*
* GIMP_TYPE_PARAM_MEMSIZE
*/
@ -144,6 +160,12 @@ GParamSpec * gimp_param_spec_unit (const gchar *name,
g_param_spec_int (name, NULL, blurb,\
min, max, default,\
flags | GIMP_CONFIG_PARAM_FLAGS))
#define GIMP_CONFIG_INSTALL_PROP_MATRIX2(class, id,\
name, blurb, default, flags)\
g_object_class_install_property (class, id,\
gimp_param_spec_matrix2 (name, NULL, blurb,\
default,\
flags | GIMP_CONFIG_PARAM_FLAGS))
#define GIMP_CONFIG_INSTALL_PROP_MEMSIZE(class, id,\
name, blurb, min, max, default, flags)\
g_object_class_install_property (class, id,\

19
app/config/gimpconfig-serialize.c
View File

@ -34,6 +34,7 @@
#endif
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpcolor/gimpcolor.h"
#include "config-types.h"
@ -408,6 +409,24 @@ gimp_config_serialize_value (const GValue *value,
return TRUE;
}
if (GIMP_VALUE_HOLDS_MATRIX2 (value))
{
GimpMatrix2 *trafo;
gchar buf[4][G_ASCII_DTOSTR_BUF_SIZE];
gint i, j, k;
trafo = g_value_get_boxed (value);
for (i = 0, k = 0; i < 2; i++)
for (j = 0; j < 2; j++, k++)
g_ascii_formatd (buf[k],
G_ASCII_DTOSTR_BUF_SIZE, "%f", trafo->coeff[i][j]);
g_string_append_printf (str, "(matrix %s %s %s %s)",
buf[0], buf[1], buf[2], buf[3]);
return TRUE;
}
if (G_VALUE_TYPE (value) == G_TYPE_VALUE_ARRAY)
{
GValueArray *array;

32
app/config/gimpconfig-types.c
View File

@ -29,6 +29,9 @@
#include <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "config-types.h"
#include "gimpconfig-types.h"
@ -36,6 +39,9 @@
static GimpRGB * color_copy (const GimpRGB *color);
static void color_free (GimpRGB *color);
static GimpMatrix2 * matrix2_copy (const GimpMatrix2 *matrix);
static void matrix2_free (GimpMatrix2 *matrix);
static void memsize_to_string (const GValue *src_value,
GValue *dest_value);
static void string_to_memsize (const GValue *src_value,
@ -60,6 +66,19 @@ gimp_color_get_type (void)
return color_type;
}
GType
gimp_matrix2_get_type (void)
{
static GType matrix_type = 0;
if (!matrix_type)
matrix_type = g_boxed_type_register_static ("GimpMatrix2",
(GBoxedCopyFunc) matrix2_copy,
(GBoxedFreeFunc) matrix2_free);
return matrix_type;
}
GType
gimp_memsize_get_type (void)
{
@ -218,6 +237,19 @@ string_to_memsize (const GValue *src_value,
}
static GimpMatrix2 *
matrix2_copy (const GimpMatrix2 *matrix)
{
return (GimpMatrix2 *) g_memdup (matrix, sizeof (GimpMatrix2));
}
static void
matrix2_free (GimpMatrix2 *matrix)
{
g_free (matrix);
}
static void
unit_to_string (const GValue *src_value,
GValue *dest_value)

6
app/config/gimpconfig-types.h
View File

@ -29,6 +29,12 @@
GType gimp_color_get_type (void) G_GNUC_CONST;
#define GIMP_TYPE_MATRIX2 (gimp_matrix2_get_type ())
#define GIMP_VALUE_HOLDS_MATRIX2(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_MATRIX2))
GType gimp_matrix2_get_type (void) G_GNUC_CONST;
#define GIMP_TYPE_MEMSIZE (gimp_memsize_get_type ())
#define GIMP_VALUE_HOLDS_MEMSIZE(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_MEMSIZE))

2
app/config/gimpconfig.c
View File

@ -25,7 +25,7 @@
#include <glib-object.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpbase/gimpbase.h"
#include "config-types.h"

76
app/config/gimpscanner.c
View File

@ -37,7 +37,9 @@
#include <io.h>
#endif
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "config-types.h"
@ -366,8 +368,9 @@ gimp_scanner_parse_color (GScanner *scanner,
gimp_rgba_set (&color, col[0], col[1], col[2], col[3]);
gimp_rgb_clamp (&color);
}
}
token = G_TOKEN_RIGHT_PAREN;
}
break;
case G_TOKEN_RIGHT_PAREN:
@ -397,6 +400,77 @@ gimp_scanner_parse_color (GScanner *scanner,
return (token == G_TOKEN_NONE);
}
gboolean
gimp_scanner_parse_matrix2 (GScanner *scanner,
GimpMatrix2 *dest)
{
guint scope_id;
guint old_scope_id;
GTokenType token;
GimpMatrix2 matrix;
scope_id = g_quark_from_static_string ("gimp_scanner_parse_matrix");
old_scope_id = g_scanner_set_scope (scanner, scope_id);
if (! g_scanner_scope_lookup_symbol (scanner, scope_id, "matrix"))
g_scanner_scope_add_symbol (scanner, scope_id, "matrix", 0);
token = G_TOKEN_LEFT_PAREN;
while (g_scanner_peek_next_token (scanner) == token)
{
token = g_scanner_get_next_token (scanner);
switch (token)
{
case G_TOKEN_LEFT_PAREN:
token = G_TOKEN_SYMBOL;
break;
case G_TOKEN_SYMBOL:
{
token = G_TOKEN_FLOAT;
if (! gimp_scanner_parse_float (scanner, &matrix.coeff[0][0]))
goto finish;
if (! gimp_scanner_parse_float (scanner, &matrix.coeff[0][1]))
goto finish;
if (! gimp_scanner_parse_float (scanner, &matrix.coeff[1][0]))
goto finish;
if (! gimp_scanner_parse_float (scanner, &matrix.coeff[1][1]))
goto finish;
token = G_TOKEN_RIGHT_PAREN;
}
break;
case G_TOKEN_RIGHT_PAREN:
token = G_TOKEN_NONE; /* indicates success */
goto finish;
default: /* do nothing */
break;
}
}
finish:
if (token != G_TOKEN_NONE)
{
g_scanner_get_next_token (scanner);
g_scanner_unexp_token (scanner, token, NULL, NULL, NULL,
_("fatal parse error"), TRUE);
}
else
{
*dest = matrix;
}
g_scanner_set_scope (scanner, old_scope_id);
return (token == G_TOKEN_NONE);
}
/* private functions */

2
app/config/gimpscanner.h
View File

@ -45,6 +45,8 @@ gboolean gimp_scanner_parse_float (GScanner *scanner,
gdouble *dest);
gboolean gimp_scanner_parse_color (GScanner *scanner,
GimpRGB *dest);
gboolean gimp_scanner_parse_matrix2 (GScanner *scanner,
GimpMatrix2 *dest);
#endif /* __GIMP_SCANNER_H__ */

15
app/text/gimptext.c
View File

@ -62,6 +62,7 @@ enum
PROP_BOX_WIDTH,
PROP_BOX_HEIGHT,
PROP_BOX_UNIT,
PROP_TRANSFORMATION,
PROP_BORDER
};
@ -124,6 +125,7 @@ gimp_text_class_init (GimpTextClass *klass)
GObjectClass *object_class;
GParamSpec *param_spec;
GimpRGB black;
GimpMatrix2 identity;
gchar *language;
object_class = G_OBJECT_CLASS (klass);
@ -135,6 +137,7 @@ gimp_text_class_init (GimpTextClass *klass)
object_class->set_property = gimp_text_set_property;
gimp_rgba_set (&black, 0.0, 0.0, 0.0, GIMP_OPACITY_OPAQUE);
gimp_matrix2_identity (&identity);
language = gimp_text_get_default_language ();
@ -221,6 +224,10 @@ gimp_text_class_init (GimpTextClass *klass)
"box-unit", NULL,
TRUE, GIMP_UNIT_PIXEL,
0);
GIMP_CONFIG_INSTALL_PROP_MATRIX2 (object_class, PROP_TRANSFORMATION,
"transformation", NULL,
&identity,
0);
/* border does only exist to implement the old text API */
param_spec = g_param_spec_int ("border", NULL, NULL,
@ -316,6 +323,9 @@ gimp_text_get_property (GObject *object,
case PROP_BOX_UNIT:
g_value_set_int (value, text->box_unit);
break;
case PROP_TRANSFORMATION:
g_value_set_boxed (value, &text->transformation);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -330,6 +340,7 @@ gimp_text_set_property (GObject *object,
{
GimpText *text = GIMP_TEXT (object);
GimpRGB *color;
GimpMatrix2 *matrix;
switch (property_id)
{
@ -388,6 +399,10 @@ gimp_text_set_property (GObject *object,
case PROP_BOX_UNIT:
text->box_unit = g_value_get_int (value);
break;
case PROP_TRANSFORMATION:
matrix = g_value_get_boxed (value);
text->transformation = *matrix;
break;
case PROP_BORDER:
text->border = g_value_get_int (value);
break;

1
app/text/gimptext.h
View File

@ -53,6 +53,7 @@ struct _GimpText
gdouble box_width;
gdouble box_height;
GimpUnit box_unit;
GimpMatrix2 transformation;
/* for historical reasons, don't use */
gint border;
};

4
devel-docs/libgimpmath/libgimpmath-sections.txt
View File

@ -19,11 +19,13 @@ gimp_md5_get_digest
<SECTION>
<FILE>gimpmatrix</FILE>
<TITLE>GimpMatrix</TITLE>
GimpMatrix2
GimpMatrix3
GimpMatrix4
gimp_matrix2_identity
gimp_matrix3_identity
gimp_matrix3_transform_point
gimp_matrix3_mult
gimp_matrix3_identity
gimp_matrix3_translate
gimp_matrix3_scale
gimp_matrix3_rotate

31
devel-docs/libgimpmath/tmpl/gimpmatrix.sgml
View File

@ -24,6 +24,13 @@ basic matrix manipulations and tests.
#GimpVector4
</para>
<!-- ##### STRUCT GimpMatrix2 ##### -->
<para>
</para>
@coeff:
<!-- ##### STRUCT GimpMatrix3 ##### -->
<para>
@ -38,6 +45,22 @@ basic matrix manipulations and tests.
@coeff:
<!-- ##### FUNCTION gimp_matrix2_identity ##### -->
<para>
</para>
@matrix:
<!-- ##### FUNCTION gimp_matrix3_identity ##### -->
<para>
</para>
@matrix:
<!-- ##### FUNCTION gimp_matrix3_transform_point ##### -->
<para>
@ -59,14 +82,6 @@ basic matrix manipulations and tests.
@matrix2:
<!-- ##### FUNCTION gimp_matrix3_identity ##### -->
<para>
</para>
@matrix:
<!-- ##### FUNCTION gimp_matrix3_translate ##### -->
<para>

1
libgimpbase/gimpbasetypes.h
View File

@ -22,6 +22,7 @@
#include <libgimpcolor/gimpcolortypes.h>
#include <libgimpmath/gimpmathtypes.h>
G_BEGIN_DECLS

23
libgimpconfig/gimpconfig-deserialize.c
View File

@ -33,6 +33,7 @@
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "config-types.h"
@ -77,6 +78,9 @@ static GTokenType gimp_config_deserialize_path (GValue *value,
static GTokenType gimp_config_deserialize_color (GValue *value,
GParamSpec *prop_spec,
GScanner *scanner);
static GTokenType gimp_config_deserialize_matrix2 (GValue *value,
GParamSpec *prop_spec,
GScanner *scanner);
static GTokenType gimp_config_deserialize_object (GValue *value,
GObject *object,
GParamSpec *prop_spec,
@ -346,6 +350,10 @@ gimp_config_deserialize_value (GValue *value,
{
return gimp_config_deserialize_color (value, prop_spec, scanner);
}
else if (prop_spec->value_type == GIMP_TYPE_MATRIX2)
{
return gimp_config_deserialize_matrix2 (value, prop_spec, scanner);
}
else if (prop_spec->value_type == G_TYPE_VALUE_ARRAY)
{
return gimp_config_deserialize_value_array (value,
@ -600,6 +608,21 @@ gimp_config_deserialize_color (GValue *value,
return G_TOKEN_RIGHT_PAREN;
}
static GTokenType
gimp_config_deserialize_matrix2 (GValue *value,
GParamSpec *prop_spec,
GScanner *scanner)
{
GimpMatrix2 matrix;
if (! gimp_scanner_parse_matrix2 (scanner, &matrix))
return G_TOKEN_NONE;
g_value_set_boxed (value, &matrix);
return G_TOKEN_RIGHT_PAREN;
}
static GTokenType
gimp_config_deserialize_object (GValue *value,
GObject *object,

2
libgimpconfig/gimpconfig-iface.c
View File

@ -25,7 +25,7 @@
#include <glib-object.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpbase/gimpbase.h"
#include "config-types.h"

22
libgimpconfig/gimpconfig-params.h
View File

@ -50,6 +50,22 @@ GParamSpec * gimp_param_spec_color (const gchar *name,
GParamFlags flags);
/*
* GIMP_TYPE_PARAM_MATRIX2
*/
#define GIMP_TYPE_PARAM_MATRIX2 (gimp_param_matrix2_get_type ())
#define GIMP_IS_PARAM_SPEC_MATRIX2(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GIMP_TYPE_PARAM_MATRIX2))
GType gimp_param_matrix2_get_type (void) G_GNUC_CONST;
GParamSpec * gimp_param_spec_matrix2 (const gchar *name,
const gchar *nick,
const gchar *blurb,
const GimpMatrix2 *default_value,
GParamFlags flags);
/*
* GIMP_TYPE_PARAM_MEMSIZE
*/
@ -144,6 +160,12 @@ GParamSpec * gimp_param_spec_unit (const gchar *name,
g_param_spec_int (name, NULL, blurb,\
min, max, default,\
flags | GIMP_CONFIG_PARAM_FLAGS))
#define GIMP_CONFIG_INSTALL_PROP_MATRIX2(class, id,\
name, blurb, default, flags)\
g_object_class_install_property (class, id,\
gimp_param_spec_matrix2 (name, NULL, blurb,\
default,\
flags | GIMP_CONFIG_PARAM_FLAGS))
#define GIMP_CONFIG_INSTALL_PROP_MEMSIZE(class, id,\
name, blurb, min, max, default, flags)\
g_object_class_install_property (class, id,\

19
libgimpconfig/gimpconfig-serialize.c
View File

@ -34,6 +34,7 @@
#endif
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpcolor/gimpcolor.h"
#include "config-types.h"
@ -408,6 +409,24 @@ gimp_config_serialize_value (const GValue *value,
return TRUE;
}
if (GIMP_VALUE_HOLDS_MATRIX2 (value))
{
GimpMatrix2 *trafo;
gchar buf[4][G_ASCII_DTOSTR_BUF_SIZE];
gint i, j, k;
trafo = g_value_get_boxed (value);
for (i = 0, k = 0; i < 2; i++)
for (j = 0; j < 2; j++, k++)
g_ascii_formatd (buf[k],
G_ASCII_DTOSTR_BUF_SIZE, "%f", trafo->coeff[i][j]);
g_string_append_printf (str, "(matrix %s %s %s %s)",
buf[0], buf[1], buf[2], buf[3]);
return TRUE;
}
if (G_VALUE_TYPE (value) == G_TYPE_VALUE_ARRAY)
{
GValueArray *array;

76
libgimpconfig/gimpscanner.c
View File

@ -37,7 +37,9 @@
#include <io.h>
#endif
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "config-types.h"
@ -366,8 +368,9 @@ gimp_scanner_parse_color (GScanner *scanner,
gimp_rgba_set (&color, col[0], col[1], col[2], col[3]);
gimp_rgb_clamp (&color);
}
}
token = G_TOKEN_RIGHT_PAREN;
}
break;
case G_TOKEN_RIGHT_PAREN:
@ -397,6 +400,77 @@ gimp_scanner_parse_color (GScanner *scanner,
return (token == G_TOKEN_NONE);
}
gboolean
gimp_scanner_parse_matrix2 (GScanner *scanner,
GimpMatrix2 *dest)
{
guint scope_id;
guint old_scope_id;
GTokenType token;
GimpMatrix2 matrix;
scope_id = g_quark_from_static_string ("gimp_scanner_parse_matrix");
old_scope_id = g_scanner_set_scope (scanner, scope_id);
if (! g_scanner_scope_lookup_symbol (scanner, scope_id, "matrix"))
g_scanner_scope_add_symbol (scanner, scope_id, "matrix", 0);
token = G_TOKEN_LEFT_PAREN;
while (g_scanner_peek_next_token (scanner) == token)
{
token = g_scanner_get_next_token (scanner);
switch (token)
{
case G_TOKEN_LEFT_PAREN:
token = G_TOKEN_SYMBOL;
break;
case G_TOKEN_SYMBOL:
{
token = G_TOKEN_FLOAT;
if (! gimp_scanner_parse_float (scanner, &matrix.coeff[0][0]))
goto finish;
if (! gimp_scanner_parse_float (scanner, &matrix.coeff[0][1]))
goto finish;
if (! gimp_scanner_parse_float (scanner, &matrix.coeff[1][0]))
goto finish;
if (! gimp_scanner_parse_float (scanner, &matrix.coeff[1][1]))
goto finish;
token = G_TOKEN_RIGHT_PAREN;
}
break;
case G_TOKEN_RIGHT_PAREN:
token = G_TOKEN_NONE; /* indicates success */
goto finish;
default: /* do nothing */
break;
}
}
finish:
if (token != G_TOKEN_NONE)
{
g_scanner_get_next_token (scanner);
g_scanner_unexp_token (scanner, token, NULL, NULL, NULL,
_("fatal parse error"), TRUE);
}
else
{
*dest = matrix;
}
g_scanner_set_scope (scanner, old_scope_id);
return (token == G_TOKEN_NONE);
}
/* private functions */

2
libgimpconfig/gimpscanner.h
View File

@ -45,6 +45,8 @@ gboolean gimp_scanner_parse_float (GScanner *scanner,
gdouble *dest);
gboolean gimp_scanner_parse_color (GScanner *scanner,
GimpRGB *dest);
gboolean gimp_scanner_parse_matrix2 (GScanner *scanner,
GimpMatrix2 *dest);
#endif /* __GIMP_SCANNER_H__ */

1
libgimpmath/gimpmathtypes.h
View File

@ -24,6 +24,7 @@
G_BEGIN_DECLS
typedef struct _GimpMatrix2 GimpMatrix2;
typedef struct _GimpMatrix3 GimpMatrix3;
typedef struct _GimpMatrix4 GimpMatrix4;

15
libgimpmath/gimpmatrix.c
View File

@ -29,6 +29,21 @@
#define EPSILON 1e-6
/**
* gimp_matrix2_identity:
* @matrix: A matrix.
*
* Sets the matrix to the identity matrix.
*/
void
gimp_matrix2_identity (GimpMatrix2 *matrix)
{
static const GimpMatrix2 identity = { { { 1.0, 0.0 },
{ 0.0, 1.0 } } };
*matrix = identity;
}
/**
* gimp_matrix3_transform_point:

7
libgimpmath/gimpmatrix.h
View File

@ -27,6 +27,11 @@ G_BEGIN_DECLS
/* For information look into the C source or the html documentation */
struct _GimpMatrix2
{
gdouble coeff[2][2];
};
struct _GimpMatrix3
{
gdouble coeff[3][3];
@ -38,6 +43,8 @@ struct _GimpMatrix4
};
void gimp_matrix2_identity (GimpMatrix2 *matrix);
void gimp_matrix3_transform_point (const GimpMatrix3 *matrix,
gdouble x,
gdouble y,