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modules: remove the old convert_surface() from gamma and high contrast

This commit is contained in:
Michael Natterer 2013-11-02 14:47:54 +01:00
parent e96b1db023
commit 73f5e2c21a
2 changed files with 0 additions and 118 deletions
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60
modules/display-filter-gamma.c
View File

@ -47,7 +47,6 @@ struct _CdisplayGamma
GimpColorDisplay parent_instance;
gdouble gamma;
guchar lookup[256];
};
struct _CdisplayGammaClass
@ -77,8 +76,6 @@ static void cdisplay_gamma_get_property (GObject *object,
static void cdisplay_gamma_convert_buffer (GimpColorDisplay *display,
GeglBuffer *buffer,
GeglRectangle *area);
static void cdisplay_gamma_convert_surface (GimpColorDisplay *display,
cairo_surface_t *surface);
static GtkWidget * cdisplay_gamma_configure (GimpColorDisplay *display);
static void cdisplay_gamma_set_gamma (CdisplayGamma *gamma,
gdouble value);
@ -132,7 +129,6 @@ cdisplay_gamma_class_init (CdisplayGammaClass *klass)
display_class->stock_id = GIMP_STOCK_DISPLAY_FILTER_GAMMA;
display_class->convert_buffer = cdisplay_gamma_convert_buffer;
display_class->convert_surface = cdisplay_gamma_convert_surface;
display_class->configure = cdisplay_gamma_configure;
}
@ -215,52 +211,6 @@ cdisplay_gamma_convert_buffer (GimpColorDisplay *display,
}
}
static void
cdisplay_gamma_convert_surface (GimpColorDisplay *display,
cairo_surface_t *surface)
{
CdisplayGamma *gamma = CDISPLAY_GAMMA (display);
gint width = cairo_image_surface_get_width (surface);
gint height = cairo_image_surface_get_height (surface);
gint stride = cairo_image_surface_get_stride (surface);
guchar *buf = cairo_image_surface_get_data (surface);
cairo_format_t fmt = cairo_image_surface_get_format (surface);
gint i, j, skip;
gint r, g, b, a;
if (fmt != CAIRO_FORMAT_ARGB32)
return;
/* You will not be using the entire buffer most of the time.
* Hence, the simplistic code for this is as follows:
*
* for (j = 0; j < height; j++)
* {
* for (i = 0; i < width * bpp; i++)
* buf[i] = lookup[buf[i]];
* buf += bpl;
* }
*/
j = height;
skip = stride - 4 * width;
while (j--)
{
i = width;
while (i--)
{
GIMP_CAIRO_ARGB32_GET_PIXEL (buf, r, g, b, a);
r = gamma->lookup[r];
g = gamma->lookup[g];
b = gamma->lookup[b];
GIMP_CAIRO_ARGB32_SET_PIXEL (buf, r, g, b, a);
buf += 4;
}
buf += skip;
}
}
static GtkWidget *
cdisplay_gamma_configure (GimpColorDisplay *display)
{
@ -294,18 +244,8 @@ cdisplay_gamma_set_gamma (CdisplayGamma *gamma,
if (value != gamma->gamma)
{
gdouble one_over_gamma = 1.0 / value;
gint i;
gamma->gamma = value;
for (i = 0; i < 256; i++)
{
gdouble ind = (gdouble) i / 255.0;
gamma->lookup[i] = (guchar) (gint) (255 * pow (ind, one_over_gamma));
}
g_object_notify (G_OBJECT (gamma), "gamma");
gimp_color_display_changed (GIMP_COLOR_DISPLAY (gamma));
}

58
modules/display-filter-high-contrast.c
View File

@ -47,7 +47,6 @@ struct _CdisplayContrast
GimpColorDisplay parent_instance;
gdouble contrast;
guchar lookup[256];
};
struct _CdisplayContrastClass
@ -77,8 +76,6 @@ static void cdisplay_contrast_get_property (GObject *object,
static void cdisplay_contrast_convert_buffer (GimpColorDisplay *display,
GeglBuffer *buffer,
GeglRectangle *area);
static void cdisplay_contrast_convert_surface (GimpColorDisplay *display,
cairo_surface_t *surface);
static GtkWidget * cdisplay_contrast_configure (GimpColorDisplay *display);
static void cdisplay_contrast_set_contrast (CdisplayContrast *contrast,
gdouble value);
@ -132,7 +129,6 @@ cdisplay_contrast_class_init (CdisplayContrastClass *klass)
display_class->stock_id = GIMP_STOCK_DISPLAY_FILTER_CONTRAST;
display_class->convert_buffer = cdisplay_contrast_convert_buffer;
display_class->convert_surface = cdisplay_contrast_convert_surface;
display_class->configure = cdisplay_contrast_configure;
}
@ -215,52 +211,6 @@ cdisplay_contrast_convert_buffer (GimpColorDisplay *display,
}
}
static void
cdisplay_contrast_convert_surface (GimpColorDisplay *display,
cairo_surface_t *surface)
{
CdisplayContrast *contrast = CDISPLAY_CONTRAST (display);
gint width = cairo_image_surface_get_width (surface);
gint height = cairo_image_surface_get_height (surface);
gint stride = cairo_image_surface_get_stride (surface);
guchar *buf = cairo_image_surface_get_data (surface);
cairo_format_t fmt = cairo_image_surface_get_format (surface);
gint i, j, skip;
gint r, g, b, a;
if (fmt != CAIRO_FORMAT_ARGB32)
return;
/* You will not be using the entire buffer most of the time.
* Hence, the simplistic code for this is as follows:
*
* for (j = 0; j < height; j++)
* {
* for (i = 0; i < width * bpp; i++)
* buf[i] = lookup[buf[i]];
* buf += bpl;
* }
*/
j = height;
skip = stride - 4 * width;
while (j--)
{
i = width;
while (i--)
{
GIMP_CAIRO_ARGB32_GET_PIXEL (buf, r, g, b, a);
r = contrast->lookup[r];
g = contrast->lookup[g];
b = contrast->lookup[b];
GIMP_CAIRO_ARGB32_SET_PIXEL (buf, r, g, b, a);
buf += 4;
}
buf += skip;
}
}
static GtkWidget *
cdisplay_contrast_configure (GimpColorDisplay *display)
{
@ -294,16 +244,8 @@ cdisplay_contrast_set_contrast (CdisplayContrast *contrast,
if (value != contrast->contrast)
{
gint i;
contrast->contrast = value;
for (i = 0; i < 256; i++)
{
contrast->lookup[i] = (guchar) (gint)
(255 * .5 * (1 + sin (value * 2 * G_PI * i / 255.0)));
}
g_object_notify (G_OBJECT (contrast), "contrast");
gimp_color_display_changed (GIMP_COLOR_DISPLAY (contrast));
}