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light and dark check color were swapped for GIMP_CHECK_TYPE_GRAY_CHECKS.

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2004-09-02  Sven Neumann  <sven@gimp.org>

	* app/display/gimpdisplayshell-render.c (check_combos): light and
	dark check color were swapped for GIMP_CHECK_TYPE_GRAY_CHECKS.

	* libgimpwidgets/gimppreviewarea.[ch]: added "check-size" and
	"check-type" properties and draw the checkerboard accordingly.
This commit is contained in:
Sven Neumann 2004-09-02 15:39:07 +00:00 committed by Sven Neumann
parent b9bd1bfa06
commit 3f4de431c1
4 changed files with 138 additions and 15 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2004-09-02 Sven Neumann <sven@gimp.org>
* app/display/gimpdisplayshell-render.c (check_combos): light and
dark check color were swapped for GIMP_CHECK_TYPE_GRAY_CHECKS.
* libgimpwidgets/gimppreviewarea.[ch]: added "check-size" and
"check-type" properties and draw the checkerboard accordingly.
2004-09-02 Sven Neumann <sven@gimp.org>
* app/base/base-enums.[ch]

6
app/display/gimpdisplayshell-render.c
View file

@ -88,14 +88,14 @@ static guint tile_shift = 0;
static guint check_mod = 0;
static guint check_shift = 0;
static guchar check_combos[6][2] =
static const guchar check_combos[6][2] =
{
{ 204, 255 }, /* LIGHT_CHECKS */
{ 102, 153 }, /* GRAY_CHECKS */
{ 153, 102 }, /* GRAY_CHECKS */
{ 0, 51 }, /* DARK_CHECKS */
{ 255, 255 }, /* WHITE_ONLY */
{ 127, 127 }, /* GRAY_ONLY */
{ 0, 0 } /* BACK_ONLY */
{ 0, 0 } /* BLACK_ONLY */
};

137
libgimpwidgets/gimppreviewarea.c
View file

@ -29,18 +29,30 @@
#include "gimppreviewarea.h"
enum
{
PROP_0,
PROP_CHECK_SIZE,
PROP_CHECK_TYPE
};
#define CHECK_COLOR(area, row, col) \
(((((area)->offset_y + (row)) & GIMP_CHECK_SIZE) ^ \
(((area)->offset_x + (col)) & GIMP_CHECK_SIZE)) ? \
(GIMP_CHECK_LIGHT * 255) : \
(GIMP_CHECK_DARK * 255))
#define DEFAULT_CHECK_SIZE GIMP_CHECK_SIZE_MEDIUM_CHECKS
#define DEFAULT_CHECK_TYPE GIMP_CHECK_TYPE_GRAY_CHECKS
static void gimp_preview_area_class_init (GimpPreviewAreaClass *klass);
static void gimp_preview_area_init (GimpPreviewArea *area);
static void gimp_preview_area_finalize (GObject *object);
static void gimp_preview_area_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_preview_area_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_preview_area_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
@ -88,21 +100,37 @@ gimp_preview_area_class_init (GimpPreviewAreaClass *klass)
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gimp_preview_area_finalize;
object_class->set_property = gimp_preview_area_set_property;
object_class->get_property = gimp_preview_area_get_property;
widget_class->size_allocate = gimp_preview_area_size_allocate;
widget_class->expose_event = gimp_preview_area_expose;
g_object_class_install_property (object_class, PROP_CHECK_SIZE,
g_param_spec_enum ("check-size", NULL, NULL,
GIMP_TYPE_CHECK_SIZE,
DEFAULT_CHECK_SIZE,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_CHECK_TYPE,
g_param_spec_enum ("check-type", NULL, NULL,
GIMP_TYPE_CHECK_TYPE,
DEFAULT_CHECK_TYPE,
G_PARAM_READWRITE));
}
static void
gimp_preview_area_init (GimpPreviewArea *area)
{
area->buf = NULL;
area->cmap = NULL;
area->offset_x = 0;
area->offset_y = 0;
area->width = 0;
area->height = 0;
area->rowstride = 0;
area->check_size = DEFAULT_CHECK_SIZE;
area->check_type = DEFAULT_CHECK_TYPE;
area->buf = NULL;
area->cmap = NULL;
area->offset_x = 0;
area->offset_y = 0;
area->width = 0;
area->height = 0;
area->rowstride = 0;
}
static void
@ -124,6 +152,54 @@ gimp_preview_area_finalize (GObject *object)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_preview_area_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpPreviewArea *area = GIMP_PREVIEW_AREA (object);
switch (property_id)
{
case PROP_CHECK_SIZE:
area->check_size = g_value_get_enum (value);
gtk_widget_queue_draw (GTK_WIDGET (area));
break;
case PROP_CHECK_TYPE:
area->check_type = g_value_get_enum (value);
gtk_widget_queue_draw (GTK_WIDGET (area));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_preview_area_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpPreviewArea *area = GIMP_PREVIEW_AREA (object);
switch (property_id)
{
case PROP_CHECK_SIZE:
g_value_set_enum (value, area->check_size);
break;
case PROP_CHECK_TYPE:
g_value_set_enum (value, area->check_type);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_preview_area_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
@ -180,6 +256,33 @@ gimp_preview_area_expose (GtkWidget *widget,
return FALSE;
}
static guint
gimp_preview_area_get_check_size (GimpPreviewArea *area)
{
return (1 << (2 + area->check_size));
}
static void
gimp_preview_area_get_check_colors (GimpPreviewArea *area,
guchar *light,
guchar *dark)
{
GimpCheckType type = CLAMP (area->check_type, 0, 5);
const guchar check_colors[6][2] =
{
{ 204, 255 }, /* LIGHT_CHECKS */
{ 153, 102 }, /* GRAY_CHECKS */
{ 0, 51 }, /* DARK_CHECKS */
{ 255, 255 }, /* WHITE_ONLY */
{ 127, 127 }, /* GRAY_ONLY */
{ 0, 0 } /* BLACK_ONLY */
};
*light = check_colors[type][0];
*dark = check_colors[type][1];
}
/**
* gimp_preview_area_new:
@ -222,6 +325,9 @@ gimp_preview_area_draw (GimpPreviewArea *area,
{
const guchar *src;
guchar *dest;
guint size;
guchar light;
guchar dark;
gint row;
gint col;
@ -285,6 +391,13 @@ gimp_preview_area_draw (GimpPreviewArea *area,
area->buf = g_new (guchar, area->rowstride * area->height);
}
size = gimp_preview_area_get_check_size (area);
gimp_preview_area_get_check_colors (area, &light, &dark);
#define CHECK_COLOR(area, row, col) \
(((((area)->offset_y + (row)) & size) ^ \
(((area)->offset_x + (col)) & size)) ? light : dark)
src = buf;
dest = area->buf + x * 3 + y * area->rowstride;

2
libgimpwidgets/gimppreviewarea.h
View file

@ -37,6 +37,8 @@ struct _GimpPreviewArea
{
GtkDrawingArea parent_instance;
GimpCheckSize check_size;
GimpCheckType check_type;
gint width;
gint height;
gint rowstride;