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added gradient preview to the toolbox.

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--Sven
This commit is contained in:
Sven Neumann
1999-09-01 11:29:39 +00:00
parent 6320f26fb9
commit cfc62108b0
14 changed files with 272 additions and 41 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
Wed Sep 1 13:29:09 MEST 1999 Sven Neumann <sven@gimp.org>
* app/gimpcontextpreview.[ch]: added gradient preview.
* app/gradient_select.c
* app/indicator_area.[ch]
* app/interface.c: display the active gradient in the toolbox.
Tue Aug 31 23:13:51 PDT 1999 Manish Singh <yosh@gimp.org>
* app/tile_swap.c: no leading underscore for S_IFOO constants

2
app/display/gimpdisplayshell-draw.c
View File

@ -267,7 +267,7 @@ create_indicator_area (GtkWidget *parent)
gtk_container_set_border_width (GTK_CONTAINER (alignment), 3);
gtk_container_add (GTK_CONTAINER (frame), alignment);
ind_area = indicator_area_create (54, 42);
ind_area = indicator_area_create ();
gtk_container_add (GTK_CONTAINER (alignment), ind_area);
gtk_widget_show (ind_area);
gtk_widget_show (alignment);

2
app/display/gimpdisplayshell.c
View File

@ -267,7 +267,7 @@ create_indicator_area (GtkWidget *parent)
gtk_container_set_border_width (GTK_CONTAINER (alignment), 3);
gtk_container_add (GTK_CONTAINER (frame), alignment);
ind_area = indicator_area_create (54, 42);
ind_area = indicator_area_create ();
gtk_container_add (GTK_CONTAINER (alignment), ind_area);
gtk_widget_show (ind_area);
gtk_widget_show (alignment);

122
app/gimpcontextpreview.c
View File

@ -24,6 +24,8 @@
#include "gimpbrushpipe.h"
#include "gimpbrushpipeP.h"
#include "gimpcontextpreview.h"
#include "gradient.h"
#include "gradient_header.h"
#include "interface.h" /* for tool_tips */
#include "patterns.h"
#include "temp_buf.h"
@ -46,14 +48,22 @@ static unsigned char scale_indicator_bits[7][7][3] =
{ WHT, WHT, WHT, WHT, WHT, WHT, WHT }
};
/* size of the gradient popup */
#define GRADIENT_POPUP_WIDTH 128
#define GRADIENT_POPUP_HEIGHT 32
/* event mask for the context_preview */
#define CONTEXT_PREVIEW_EVENT_MASK (GDK_BUTTON_PRESS_MASK | \
GDK_BUTTON_RELEASE_MASK | \
GDK_ENTER_NOTIFY_MASK | \
GDK_LEAVE_NOTIFY_MASK)
/* shared widgets for the popups */
static GtkWidget *gcp_popup = NULL;
static GtkWidget *gcp_popup_preview = NULL;
/* signals */
enum {
CLICKED,
LAST_SIGNAL
@ -75,6 +85,8 @@ static void gimp_context_preview_draw_brush (GimpContextPreview *)
static void gimp_context_preview_draw_brush_popup (GimpContextPreview *);
static void gimp_context_preview_draw_pattern (GimpContextPreview *);
static void gimp_context_preview_draw_pattern_popup (GimpContextPreview *);
static void gimp_context_preview_draw_gradient (GimpContextPreview *);
static void gimp_context_preview_draw_gradient_popup (GimpContextPreview *);
static void
@ -195,9 +207,14 @@ gimp_context_preview_update (GimpContextPreview *gcp,
break;
case GCP_PATTERN:
gimp_context_preview_draw_pattern (gcp);
break;
case GCP_GRADIENT:
gimp_context_preview_draw_gradient (gcp);
break;
default:
break;
}
gtk_widget_queue_draw (GTK_WIDGET (gcp));
if (gcp->show_tooltips)
{
@ -217,6 +234,12 @@ gimp_context_preview_update (GimpContextPreview *gcp,
name = pattern->name;
}
break;
case GCP_GRADIENT:
{
gradient_t *gradient = (gradient_t *)(gcp->data);
name = gradient->name;
}
break;
default:
break;
}
@ -276,6 +299,10 @@ gimp_context_preview_popup_open (GimpContextPreview *gcp,
height = pattern->mask->height;
}
break;
case GCP_GRADIENT:
width = GRADIENT_POPUP_WIDTH;
height = GRADIENT_POPUP_HEIGHT;
break;
default:
return;
}
@ -328,6 +355,9 @@ gimp_context_preview_popup_open (GimpContextPreview *gcp,
case GCP_PATTERN:
gimp_context_preview_draw_pattern_popup (gcp);
break;
case GCP_GRADIENT:
gimp_context_preview_draw_gradient_popup (gcp);
break;
default:
break;
}
@ -355,7 +385,8 @@ gimp_context_preview_data_matches_type (GimpContextPreview *gcp,
match = GIMP_IS_BRUSH (data);
break;
case GCP_PATTERN:
match = data != NULL; /* would be nice if pattern was a real gtk_object */
case GCP_GRADIENT:
match = data != NULL; /* would be nicer if these were real gtk_objects */
break;
default:
break;
@ -527,8 +558,6 @@ gimp_context_preview_draw_brush (GimpContextPreview *gcp)
}
g_free (buf);
gtk_widget_queue_draw (GTK_WIDGET (gcp));
}
@ -636,3 +665,90 @@ gimp_context_preview_draw_pattern (GimpContextPreview *gcp)
g_free(buf);
}
/* gradient draw functions */
static void
draw_gradient (GtkPreview *preview,
gradient_t *gradient,
gint width,
gint height)
{
gradient_t *old_gradient = curr_gradient;
guchar *p0, *p1, *even, *odd;
gint x, y;
gdouble dx, cur_x;
gdouble r, g, b, a;
gdouble c0, c1;
curr_gradient = gradient;
dx = 1.0 / (width - 1);
cur_x = 0.0;
p0 = even = g_new (guchar, 3 * width);
p1 = odd = g_new (guchar, 3 * width);
for (x = 0; x < width; x++)
{
grad_get_color_at (cur_x, &r, &g, &b, &a);
if ((x / GRAD_CHECK_SIZE_SM) & 1)
{
c0 = GRAD_CHECK_LIGHT;
c1 = GRAD_CHECK_DARK;
}
else
{
c0 = GRAD_CHECK_DARK;
c1 = GRAD_CHECK_LIGHT;
}
*p0++ = (c0 + (r - c0) * a) * 255.0;
*p0++ = (c0 + (g - c0) * a) * 255.0;
*p0++ = (c0 + (b - c0) * a) * 255.0;
*p1++ = (c1 + (r - c1) * a) * 255.0;
*p1++ = (c1 + (g - c1) * a) * 255.0;
*p1++ = (c1 + (b - c1) * a) * 255.0;
cur_x += dx;
}
for (y = 0; y < height; y++)
{
if ((y / GRAD_CHECK_SIZE_SM) & 1)
gtk_preview_draw_row (preview, odd, 0, y, width);
else
gtk_preview_draw_row (preview, even, 0, y, width);
}
g_free (odd);
g_free (even);
curr_gradient = old_gradient;
}
static void
gimp_context_preview_draw_gradient_popup (GimpContextPreview *gcp)
{
gradient_t *gradient;
g_return_if_fail (gcp != NULL && gcp->data != NULL);
gradient = (gradient_t*)(gcp->data);
draw_gradient (GTK_PREVIEW (gcp_popup_preview), gradient,
GRADIENT_POPUP_WIDTH, GRADIENT_POPUP_HEIGHT);
}
static void
gimp_context_preview_draw_gradient (GimpContextPreview *gcp)
{
gradient_t *gradient;
g_return_if_fail (gcp != NULL && gcp->data != NULL);
gradient = (gradient_t*)(gcp->data);
draw_gradient (GTK_PREVIEW (gcp), gradient, gcp->width, gcp->height);
}

1
app/gimpcontextpreview.h
View File

@ -41,6 +41,7 @@ typedef enum
{
GCP_BRUSH = 0,
GCP_PATTERN,
GCP_GRADIENT,
GCP_LAST
} GimpContextPreviewType;

4
app/gradient_select.c
View File

@ -53,6 +53,7 @@
#include "gimprc.h"
#include "gradient.h"
#include "gradient_header.h"
#include "indicator_area.h"
#include "interface.h"
#include "palette.h"
#include "session.h"
@ -261,6 +262,7 @@ sel_list_item_update(GtkWidget *widget,
if(gsp == gradient_select_dialog)
{
grad_set_grad_to_name(gsp->grad->name);
gradient_area_update (); /* update the indicator_area */
import_palette_grad_update(gsp->grad);
}
else
@ -279,7 +281,7 @@ grad_select_edit_callback (GtkWidget *w,
grad_create_gradient_editor_init(TRUE);
/* Set the current gradient in this dailog to the "real current"*/
/* Set the current gradient in this dialog to the "real current"*/
if(gsp && gsp->grad)
grad_set_grad_to_name(gsp->grad->name);
}

4
app/gui/gradient-select.c
View File

@ -53,6 +53,7 @@
#include "gimprc.h"
#include "gradient.h"
#include "gradient_header.h"
#include "indicator_area.h"
#include "interface.h"
#include "palette.h"
#include "session.h"
@ -261,6 +262,7 @@ sel_list_item_update(GtkWidget *widget,
if(gsp == gradient_select_dialog)
{
grad_set_grad_to_name(gsp->grad->name);
gradient_area_update (); /* update the indicator_area */
import_palette_grad_update(gsp->grad);
}
else
@ -279,7 +281,7 @@ grad_select_edit_callback (GtkWidget *w,
grad_create_gradient_editor_init(TRUE);
/* Set the current gradient in this dailog to the "real current"*/
/* Set the current gradient in this dialog to the "real current"*/
if(gsp && gsp->grad)
grad_set_grad_to_name(gsp->grad->name);
}

48
app/gui/indicator-area.c
View File

@ -21,17 +21,21 @@
#include "appenv.h"
#include "gimpbrushlist.h"
#include "gimpcontextpreview.h"
#include "gradient.h"
#include "gradient_header.h"
#include "indicator_area.h"
#include "interface.h" /* for tool_tips */
#include "libgimp/gimpintl.h"
#define CELL_SIZE 23 /* The size of the previews */
#define CELL_PADDING 2 /* How much between brush and pattern cells */
#define CELL_SIZE 23 /* The size of the previews */
#define GRAD_CELL_WIDTH 48 /* The width of the gradient preview */
#define GRAD_CELL_HEIGHT 12 /* The height of the gradient preview */
#define CELL_PADDING 2 /* How much between brush and pattern cells */
/* Static variables */
static GtkWidget *indicator_table;
static GtkWidget *brush_preview;
static GtkWidget *pattern_preview;
static GtkWidget *gradient_preview;
/* The _area_update () functions should be called _preview_update(),
@ -88,11 +92,28 @@ pattern_preview_clicked (GtkWidget *widget,
return TRUE;
}
GtkWidget *
indicator_area_create (int width,
int height)
void
gradient_area_update ()
{
indicator_table = gtk_table_new (1, 3, FALSE);
gimp_context_preview_update (GIMP_CONTEXT_PREVIEW (gradient_preview), curr_gradient);
}
static gint
gradient_preview_clicked (GtkWidget *widget,
gpointer data)
{
grad_create_gradient_editor ();
return TRUE;
}
GtkWidget *
indicator_area_create ()
{
GtkWidget *indicator_table;
indicator_table = gtk_table_new (2, 2, FALSE);
gtk_table_set_row_spacing (GTK_TABLE (indicator_table), 0, CELL_PADDING);
gtk_table_set_col_spacing (GTK_TABLE (indicator_table), 0, CELL_PADDING);
brush_preview = gimp_context_preview_new (GCP_BRUSH,
CELL_SIZE, CELL_SIZE,
@ -116,11 +137,24 @@ indicator_area_create (int width,
gtk_table_attach_defaults (GTK_TABLE(indicator_table), pattern_preview,
1, 2, 0, 1);
gradient_preview = gimp_context_preview_new (GCP_GRADIENT,
GRAD_CELL_WIDTH, GRAD_CELL_HEIGHT,
FALSE);
gtk_tooltips_set_tip (tool_tips, gradient_preview,
_("The active gradient.\nClick to open the Gradients Dialog."),
NULL);
gtk_signal_connect (GTK_OBJECT (gradient_preview), "clicked",
(GtkSignalFunc) gradient_preview_clicked, NULL);
gtk_table_attach_defaults (GTK_TABLE(indicator_table), gradient_preview,
0, 2, 1, 2);
brush_area_update ();
pattern_area_update ();
gradient_area_update ();
gtk_widget_show (brush_preview);
gtk_widget_show (pattern_preview);
gtk_widget_show (gradient_preview);
gtk_widget_show (indicator_table);
return (indicator_table);

8
app/gui/indicator-area.h
View File

@ -19,11 +19,11 @@
#define __INDICATOR_AREA_H__
#include "patterns.h"
#include "gimpbrushlist.h"
GtkWidget *
indicator_area_create (int width, int height);
void brush_area_update(void);
void pattern_area_update(void);
GtkWidget *indicator_area_create (void);
void brush_area_update (void);
void pattern_area_update (void);
void gradient_area_update (void);
#endif /* __INDICATOR_AREA_H__ */

48
app/indicator_area.c
View File

@ -21,17 +21,21 @@
#include "appenv.h"
#include "gimpbrushlist.h"
#include "gimpcontextpreview.h"
#include "gradient.h"
#include "gradient_header.h"
#include "indicator_area.h"
#include "interface.h" /* for tool_tips */
#include "libgimp/gimpintl.h"
#define CELL_SIZE 23 /* The size of the previews */
#define CELL_PADDING 2 /* How much between brush and pattern cells */
#define CELL_SIZE 23 /* The size of the previews */
#define GRAD_CELL_WIDTH 48 /* The width of the gradient preview */
#define GRAD_CELL_HEIGHT 12 /* The height of the gradient preview */
#define CELL_PADDING 2 /* How much between brush and pattern cells */
/* Static variables */
static GtkWidget *indicator_table;
static GtkWidget *brush_preview;
static GtkWidget *pattern_preview;
static GtkWidget *gradient_preview;
/* The _area_update () functions should be called _preview_update(),
@ -88,11 +92,28 @@ pattern_preview_clicked (GtkWidget *widget,
return TRUE;
}
GtkWidget *
indicator_area_create (int width,
int height)
void
gradient_area_update ()
{
indicator_table = gtk_table_new (1, 3, FALSE);
gimp_context_preview_update (GIMP_CONTEXT_PREVIEW (gradient_preview), curr_gradient);
}
static gint
gradient_preview_clicked (GtkWidget *widget,
gpointer data)
{
grad_create_gradient_editor ();
return TRUE;
}
GtkWidget *
indicator_area_create ()
{
GtkWidget *indicator_table;
indicator_table = gtk_table_new (2, 2, FALSE);
gtk_table_set_row_spacing (GTK_TABLE (indicator_table), 0, CELL_PADDING);
gtk_table_set_col_spacing (GTK_TABLE (indicator_table), 0, CELL_PADDING);
brush_preview = gimp_context_preview_new (GCP_BRUSH,
CELL_SIZE, CELL_SIZE,
@ -116,11 +137,24 @@ indicator_area_create (int width,
gtk_table_attach_defaults (GTK_TABLE(indicator_table), pattern_preview,
1, 2, 0, 1);
gradient_preview = gimp_context_preview_new (GCP_GRADIENT,
GRAD_CELL_WIDTH, GRAD_CELL_HEIGHT,
FALSE);
gtk_tooltips_set_tip (tool_tips, gradient_preview,
_("The active gradient.\nClick to open the Gradients Dialog."),
NULL);
gtk_signal_connect (GTK_OBJECT (gradient_preview), "clicked",
(GtkSignalFunc) gradient_preview_clicked, NULL);
gtk_table_attach_defaults (GTK_TABLE(indicator_table), gradient_preview,
0, 2, 1, 2);
brush_area_update ();
pattern_area_update ();
gradient_area_update ();
gtk_widget_show (brush_preview);
gtk_widget_show (pattern_preview);
gtk_widget_show (gradient_preview);
gtk_widget_show (indicator_table);
return (indicator_table);

8
app/indicator_area.h
View File

@ -19,11 +19,11 @@
#define __INDICATOR_AREA_H__
#include "patterns.h"
#include "gimpbrushlist.h"
GtkWidget *
indicator_area_create (int width, int height);
void brush_area_update(void);
void pattern_area_update(void);
GtkWidget *indicator_area_create (void);
void brush_area_update (void);
void pattern_area_update (void);
void gradient_area_update (void);
#endif /* __INDICATOR_AREA_H__ */

2
app/interface.c
View File

@ -267,7 +267,7 @@ create_indicator_area (GtkWidget *parent)
gtk_container_set_border_width (GTK_CONTAINER (alignment), 3);
gtk_container_add (GTK_CONTAINER (frame), alignment);
ind_area = indicator_area_create (54, 42);
ind_area = indicator_area_create ();
gtk_container_add (GTK_CONTAINER (alignment), ind_area);
gtk_widget_show (ind_area);
gtk_widget_show (alignment);

48
app/widgets/gimptoolbox-indicator-area.c
View File

@ -21,17 +21,21 @@
#include "appenv.h"
#include "gimpbrushlist.h"
#include "gimpcontextpreview.h"
#include "gradient.h"
#include "gradient_header.h"
#include "indicator_area.h"
#include "interface.h" /* for tool_tips */
#include "libgimp/gimpintl.h"
#define CELL_SIZE 23 /* The size of the previews */
#define CELL_PADDING 2 /* How much between brush and pattern cells */
#define CELL_SIZE 23 /* The size of the previews */
#define GRAD_CELL_WIDTH 48 /* The width of the gradient preview */
#define GRAD_CELL_HEIGHT 12 /* The height of the gradient preview */
#define CELL_PADDING 2 /* How much between brush and pattern cells */
/* Static variables */
static GtkWidget *indicator_table;
static GtkWidget *brush_preview;
static GtkWidget *pattern_preview;
static GtkWidget *gradient_preview;
/* The _area_update () functions should be called _preview_update(),
@ -88,11 +92,28 @@ pattern_preview_clicked (GtkWidget *widget,
return TRUE;
}
GtkWidget *
indicator_area_create (int width,
int height)
void
gradient_area_update ()
{
indicator_table = gtk_table_new (1, 3, FALSE);
gimp_context_preview_update (GIMP_CONTEXT_PREVIEW (gradient_preview), curr_gradient);
}
static gint
gradient_preview_clicked (GtkWidget *widget,
gpointer data)
{
grad_create_gradient_editor ();
return TRUE;
}
GtkWidget *
indicator_area_create ()
{
GtkWidget *indicator_table;
indicator_table = gtk_table_new (2, 2, FALSE);
gtk_table_set_row_spacing (GTK_TABLE (indicator_table), 0, CELL_PADDING);
gtk_table_set_col_spacing (GTK_TABLE (indicator_table), 0, CELL_PADDING);
brush_preview = gimp_context_preview_new (GCP_BRUSH,
CELL_SIZE, CELL_SIZE,
@ -116,11 +137,24 @@ indicator_area_create (int width,
gtk_table_attach_defaults (GTK_TABLE(indicator_table), pattern_preview,
1, 2, 0, 1);
gradient_preview = gimp_context_preview_new (GCP_GRADIENT,
GRAD_CELL_WIDTH, GRAD_CELL_HEIGHT,
FALSE);
gtk_tooltips_set_tip (tool_tips, gradient_preview,
_("The active gradient.\nClick to open the Gradients Dialog."),
NULL);
gtk_signal_connect (GTK_OBJECT (gradient_preview), "clicked",
(GtkSignalFunc) gradient_preview_clicked, NULL);
gtk_table_attach_defaults (GTK_TABLE(indicator_table), gradient_preview,
0, 2, 1, 2);
brush_area_update ();
pattern_area_update ();
gradient_area_update ();
gtk_widget_show (brush_preview);
gtk_widget_show (pattern_preview);
gtk_widget_show (gradient_preview);
gtk_widget_show (indicator_table);
return (indicator_table);

8
app/widgets/gimptoolbox-indicator-area.h
View File

@ -19,11 +19,11 @@
#define __INDICATOR_AREA_H__
#include "patterns.h"
#include "gimpbrushlist.h"
GtkWidget *
indicator_area_create (int width, int height);
void brush_area_update(void);
void pattern_area_update(void);
GtkWidget *indicator_area_create (void);
void brush_area_update (void);
void pattern_area_update (void);
void gradient_area_update (void);
#endif /* __INDICATOR_AREA_H__ */