code cleanup.

2006-07-06  Sven Neumann  <sven@gimp.org>

	* app/base/temp-buf.[ch]: code cleanup.
This commit is contained in:
Sven Neumann 2006-07-06 10:50:39 +00:00 committed by Sven Neumann
parent 1e29e7dba8
commit dc4517cd78
3 changed files with 143 additions and 154 deletions

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@ -1,3 +1,7 @@
2006-07-06 Sven Neumann <sven@gimp.org>
* app/base/temp-buf.[ch]: code cleanup.
2006-07-05 Sven Neumann <sven@gimp.org>
* app/gui/splash.c (splash_average_text_area): unset the test

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@ -27,131 +27,26 @@
#include "base-types.h"
#include "paint-funcs/paint-funcs.h"
#include "pixel-region.h"
#include "temp-buf.h"
#include "paint-funcs/paint-funcs.h"
static void temp_buf_to_color (TempBuf *src_buf,
TempBuf *dest_buf);
static void temp_buf_to_gray (TempBuf *src_buf,
TempBuf *dest_buf);
static guchar * temp_buf_allocate (guint size);
static void temp_buf_to_color (TempBuf *src_buf,
TempBuf *dest_buf);
static void temp_buf_to_gray (TempBuf *src_buf,
TempBuf *dest_buf);
/* Memory management */
static guchar *
temp_buf_allocate (guint size)
{
return g_new (guchar, size);
}
/* The conversion routines */
static void
temp_buf_to_color (TempBuf *src_buf,
TempBuf *dest_buf)
{
guchar *src;
guchar *dest;
glong num_pixels;
src = temp_buf_data (src_buf);
dest = temp_buf_data (dest_buf);
num_pixels = src_buf->width * src_buf->height;
switch (dest_buf->bytes)
{
case 3:
g_return_if_fail (src_buf->bytes == 1);
while (num_pixels--)
{
guchar tmpch;
*dest++ = tmpch = *src++;
*dest++ = tmpch;
*dest++ = tmpch;
}
break;
case 4:
g_return_if_fail (src_buf->bytes == 2);
while (num_pixels--)
{
guchar tmpch;
*dest++ = tmpch = *src++;
*dest++ = tmpch;
*dest++ = tmpch;
*dest++ = *src++; /* alpha channel */
}
break;
default:
g_return_if_reached ();
break;
}
}
static void
temp_buf_to_gray (TempBuf *src_buf,
TempBuf *dest_buf)
{
guchar *src;
guchar *dest;
glong num_pixels;
gfloat pix;
src = temp_buf_data (src_buf);
dest = temp_buf_data (dest_buf);
num_pixels = src_buf->width * src_buf->height;
switch (dest_buf->bytes)
{
case 1:
g_return_if_fail (src_buf->bytes == 3);
while (num_pixels--)
{
pix = GIMP_RGB_LUMINANCE (src[0], src[1], src[2]) + 0.5;
*dest++ = (guchar) pix;
src += 3;
}
break;
case 2:
g_return_if_fail (src_buf->bytes == 4);
while (num_pixels--)
{
pix = GIMP_RGB_LUMINANCE (src[0], src[1], src[2]) + 0.5;
*dest++ = (guchar) pix;
*dest++ = src[3]; /* alpha channel */
src += 4;
}
break;
default:
g_return_if_reached ();
break;
}
}
TempBuf *
temp_buf_new (gint width,
gint height,
gint bytes,
gint x,
gint y,
guchar *col)
temp_buf_new (gint width,
gint height,
gint bytes,
gint x,
gint y,
const guchar *col)
{
glong i;
guchar *data;
TempBuf *temp;
g_return_val_if_fail (width > 0 && height > 0, NULL);
@ -165,11 +60,13 @@ temp_buf_new (gint width,
temp->x = x;
temp->y = y;
temp->data = data = temp_buf_allocate (width * height * bytes);
temp->data = g_new (guchar, width * height * bytes);
/* initialize the data */
if (col)
{
glong i;
/* First check if we can save a lot of work */
for (i = 1; i < bytes; i++)
{
@ -179,20 +76,20 @@ temp_buf_new (gint width,
if (i == bytes)
{
memset (data, *col, width * height * bytes);
memset (temp->data, *col, width * height * bytes);
}
else /* No, we cannot */
{
guchar *dptr = data;
guchar *dptr = temp->data;
/* Fill the first row */
for (i = width - 1; i >= 0; --i)
{
guchar *init = col;
gint j = bytes;
const guchar *c = col;
gint j = bytes;
while (j--)
*dptr++ = *init++;
*dptr++ = *c++;
}
/* Now copy from it (we set bytes to bytes-per-row now) */
@ -200,7 +97,7 @@ temp_buf_new (gint width,
while (--height)
{
memcpy (dptr, data, bytes);
memcpy (dptr, temp->data, bytes);
dptr += bytes;
}
}
@ -218,7 +115,7 @@ temp_buf_new_check (gint width,
GimpCheckType check_type,
GimpCheckSize check_size)
{
TempBuf *newbuf;
TempBuf *new;
guchar *data;
guchar check_shift = 0;
guchar check_mod = 0;
@ -246,13 +143,13 @@ temp_buf_new_check (gint width,
gimp_checks_get_shades (check_type, &check_light, &check_dark);
newbuf = temp_buf_new (width, height, 3, 0, 0, NULL);
data = temp_buf_data (newbuf);
new = temp_buf_new (width, height, 3, 0, 0, NULL);
data = temp_buf_data (new);
for (y = 0; y < height; y++)
{
guchar check_dark = y >> check_shift;
guchar color = (check_dark & 0x1) ? check_light : check_dark;
guchar check_dark = y >> check_shift;
guchar color = (check_dark & 0x1) ? check_light : check_dark;
for (x = 0; x < width; x++)
{
@ -268,23 +165,19 @@ temp_buf_new_check (gint width,
}
}
return newbuf;
return new;
}
TempBuf *
temp_buf_copy (TempBuf *src,
TempBuf *dest)
{
glong length;
g_return_val_if_fail (src != NULL, NULL);
g_return_val_if_fail (! dest || (dest->width == src->width &&
dest->height == src->height), NULL);
if (! dest)
{
dest = temp_buf_new (src->width, src->height, src->bytes, 0, 0, NULL);
}
dest = temp_buf_new (src->width, src->height, src->bytes, 0, 0, NULL);
if (src->bytes != dest->bytes)
{
@ -301,9 +194,9 @@ temp_buf_copy (TempBuf *src,
}
else
{
/* make the copy */
length = src->width * src->height * src->bytes;
memcpy (temp_buf_data (dest), temp_buf_data (src), length);
memcpy (temp_buf_data (dest),
temp_buf_data (src),
src->width * src->height * src->bytes);
}
return dest;
@ -325,13 +218,11 @@ temp_buf_resize (TempBuf *buf,
}
else
{
gint new_size;
gsize size = width * height * bytes;
new_size = width * height * bytes;
if (new_size != (buf->width * buf->height * buf->bytes))
if (size != (buf->width * buf->height * buf->bytes))
{
buf->data = g_renew (guchar, buf->data, new_size);
buf->data = g_renew (guchar, buf->data, size);
}
buf->x = x;
@ -349,13 +240,13 @@ temp_buf_scale (TempBuf *src,
gint new_width,
gint new_height)
{
gint loop1;
gint loop2;
gdouble x_ratio;
gdouble y_ratio;
TempBuf *dest;
guchar *src_data;
guchar *dest_data;
TempBuf *dest;
gdouble x_ratio;
gdouble y_ratio;
gint loop1;
gint loop2;
g_return_val_if_fail (src != NULL, NULL);
g_return_val_if_fail (new_width > 0 && new_height > 0, NULL);
@ -375,9 +266,9 @@ temp_buf_scale (TempBuf *src,
{
for (loop2 = 0 ; loop2 < new_width ; loop2++)
{
gint i;
guchar *src_pixel;
guchar *dest_pixel;
gint i;
src_pixel = src_data +
(gint) (loop2 * x_ratio) * src->bytes +
@ -473,8 +364,6 @@ temp_buf_data (TempBuf *temp_buf)
guchar *
temp_buf_data_clear (TempBuf *temp_buf)
{
g_return_val_if_fail (temp_buf != NULL, NULL);
memset (temp_buf->data, 0,
temp_buf->height * temp_buf->width * temp_buf->bytes);
@ -495,6 +384,102 @@ temp_buf_get_memsize (TempBuf *temp_buf)
}
/* The conversion routines */
static void
temp_buf_to_color (TempBuf *src_buf,
TempBuf *dest_buf)
{
guchar *src;
guchar *dest;
glong num_pixels;
src = temp_buf_data (src_buf);
dest = temp_buf_data (dest_buf);
num_pixels = src_buf->width * src_buf->height;
switch (dest_buf->bytes)
{
case 3:
g_return_if_fail (src_buf->bytes == 1);
while (num_pixels--)
{
guchar tmp;
*dest++ = tmp = *src++;
*dest++ = tmp;
*dest++ = tmp;
}
break;
case 4:
g_return_if_fail (src_buf->bytes == 2);
while (num_pixels--)
{
guchar tmp;
*dest++ = tmp = *src++;
*dest++ = tmp;
*dest++ = tmp;
*dest++ = *src++; /* alpha channel */
}
break;
default:
g_return_if_reached ();
break;
}
}
static void
temp_buf_to_gray (TempBuf *src_buf,
TempBuf *dest_buf)
{
const guchar *src;
guchar *dest;
glong num_pixels;
src = temp_buf_data (src_buf);
dest = temp_buf_data (dest_buf);
num_pixels = src_buf->width * src_buf->height;
switch (dest_buf->bytes)
{
case 1:
g_return_if_fail (src_buf->bytes == 3);
while (num_pixels--)
{
gint lum = GIMP_RGB_LUMINANCE (src[0], src[1], src[2]) + 0.5;
*dest++ = (guchar) lum;
src += 3;
}
break;
case 2:
g_return_if_fail (src_buf->bytes == 4);
while (num_pixels--)
{
gint lum = GIMP_RGB_LUMINANCE (src[0], src[1], src[2]) + 0.5;
*dest++ = (guchar) lum;
*dest++ = src[3]; /* alpha channel */
src += 4;
}
break;
default:
g_return_if_reached ();
break;
}
}
/******************************************************************
* Mask buffer functions *
******************************************************************/

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@ -38,9 +38,9 @@ TempBuf * temp_buf_new (gint width,
gint bytes,
gint x,
gint y,
guchar *col);
const guchar *col);
TempBuf * temp_buf_new_check (gint width,
gint height,
gint height,
GimpCheckType check_type,
GimpCheckSize check_size);
TempBuf * temp_buf_copy (TempBuf *src,
@ -53,7 +53,7 @@ TempBuf * temp_buf_resize (TempBuf *buf,
gint height);
TempBuf * temp_buf_scale (TempBuf *buf,
gint width,
gint height);
gint height) G_GNUC_WARN_UNUSED_RESULT;
TempBuf * temp_buf_copy_area (TempBuf *src,
TempBuf *dest,
gint x,