gryf/wmaker
1
0
Fork 0
mirror of https://github.com/gryf/wmaker.git synced 2025-12-19 12:28:22 +01:00
Code Issues Projects Releases Wiki Activity

wrlib: code refactoring in RFlipImage functions

Browse Source 
Instead of calling all variables with variants of 'image', changed
the name to reflect what image it is about for clarity.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
This commit is contained in:
Christophe CURIS
2014-07-04 23:28:35 +02:00
committed by Carlos R. Mafra
parent f85066a19e
commit f2dea1b840
1 changed files with 31 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
wrlib/flip.c
View File

@@ -20,33 +20,35 @@
* MA 02110-1301, USA.
*/
#include <config.h>
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <X11/Xlib.h>
#include "wraster.h"
RImage *RVerticalFlipImage(RImage *image)
RImage *RVerticalFlipImage(RImage *source)
{
RImage *img;
RImage *target;
int nwidth, nheight;
int x, y;
int bpp = image->format == RRGBAFormat ? 4 : 3;
int bpp = source->format == RRGBAFormat ? 4 : 3;
nwidth = image->width;
nheight = image->height;
nwidth = source->width;
nheight = source->height;
img = RCreateImage(nwidth, nheight, True);
if (!img)
target = RCreateImage(nwidth, nheight, True);
if (!target)
return NULL;
if (bpp == 3) {
unsigned char *optr, *nptr;
optr = image->data;
nptr = img->data + 4 * (nwidth * nheight - nwidth);
optr = source->data;
nptr = target->data + 4 * (nwidth * nheight - nwidth);
for (y = 0; y < nheight; y++) {
for (x = 0; x < nwidth; x++) {
@@ -58,13 +60,13 @@ RImage *RVerticalFlipImage(RImage *image)
optr += 3;
nptr += 4;
}
nptr -= nwidth*8;
nptr -= (nwidth * 4) * 2;
}
} else {
unsigned char *optr, *nptr;
optr = image->data;
nptr = img->data + 4 * (nwidth * nheight - nwidth);
optr = source->data;
nptr = target->data + 4 * (nwidth * nheight - nwidth);
for (y = 0; y < nheight; y++) {
for (x = 0; x < nwidth; x++) {
@@ -76,31 +78,31 @@ RImage *RVerticalFlipImage(RImage *image)
optr += 4;
nptr += 4;
}
nptr -= nwidth * 8;
nptr -= (nwidth * 4) * 2;
}
}
return img;
return target;
}
RImage *RHorizontalFlipImage(RImage *image)
RImage *RHorizontalFlipImage(RImage *source)
{
RImage *img;
RImage *target;
int nwidth, nheight;
int x, y;
int bpp = image->format == RRGBAFormat ? 4 : 3;
int bpp = source->format == RRGBAFormat ? 4 : 3;
nwidth = image->width;
nheight = image->height;
nwidth = source->width;
nheight = source->height;
img = RCreateImage(nwidth, nheight, True);
if (!img)
target = RCreateImage(nwidth, nheight, True);
if (!target)
return NULL;
if (bpp == 3) {
unsigned char *optr, *nptr;
optr = image->data;
nptr = img->data + 4 * (nwidth - 1);
optr = source->data;
nptr = target->data + 4 * (nwidth - 1);
for (y = nheight; y; y--) {
for (x = 0; x < nwidth; x++) {
@@ -112,13 +114,13 @@ RImage *RHorizontalFlipImage(RImage *image)
optr += 3;
nptr -= 4;
}
nptr += 8 * nwidth;
nptr += (nwidth * 4) * 2;
}
} else {
unsigned char *optr, *nptr;
optr = image->data;
nptr = img->data + 4 * (nwidth - 1);
optr = source->data;
nptr = target->data + 4 * (nwidth - 1);
for (y = nheight; y; y--) {
for (x = 0; x < nwidth; x++) {
@@ -130,8 +132,8 @@ RImage *RHorizontalFlipImage(RImage *image)
optr += 4;
nptr -= 4;
}
nptr += 8 * nwidth;
nptr += (nwidth * 4) * 2;
}
}
return img;
return target;
}