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legacy-imlib2
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This commit is contained in:
Kim Woelders 2016-02-07 08:08:00 +01:00
parent 5cabf38155
commit 93e6176764
1 changed files with 149 additions and 130 deletions
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61
src/modules/loaders/loader_ff.c
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@ -17,27 +17,33 @@ load(ImlibImage *im, ImlibProgressFunction progress,
uint8_t *dat;
/* open the file for reading */
if (!(f = fopen(im->real_file, "rb"))) {
if (!(f = fopen(im->real_file, "rb")))
{
return 0;
}
/* read and check the header */
if (!im->data) {
if (!im->data)
{
if (fread(hdr, sizeof(uint32_t), LEN(hdr), f) != LEN(hdr) ||
memcmp("farbfeld", hdr, sizeof("farbfeld") - 1)) {
memcmp("farbfeld", hdr, sizeof("farbfeld") - 1))
{
fclose(f);
return 0;
}
im->w = ntohl(hdr[2]);
im->h = ntohl(hdr[3]);
if (!IMAGE_DIMENSIONS_OK(im->w, im->h)) {
if (!IMAGE_DIMENSIONS_OK(im->w, im->h))
{
fclose(f);
return 0;
}
/* set format */
if (!im->loader) {
if (!(im->format = strdup("ff"))) {
if (!im->loader)
{
if (!(im->format = strdup("ff")))
{
fclose(f);
return 0;
}
@ -46,14 +52,16 @@ load(ImlibImage *im, ImlibProgressFunction progress,
}
/* load the data */
if (im->loader || immediate_load || progress) {
if (im->loader || immediate_load || progress)
{
w = im->w;
h = im->h;
rowlen = w * (sizeof("RGBA") - 1);
free(im->data);
if (!(im->data = malloc(rowlen * h)) ||
!(row = malloc(rowlen * sizeof(uint16_t)))) {
!(row = malloc(rowlen * sizeof(uint16_t))))
{
free(im->data);
im->data = NULL;
free(row);
@ -62,16 +70,18 @@ load(ImlibImage *im, ImlibProgressFunction progress,
}
dat = (uint8_t *) im->data;
for (i = 0; i < h; i++, dat += rowlen) {
if (fread(row, sizeof(uint16_t), rowlen, f) !=
rowlen) {
for (i = 0; i < h; i++, dat += rowlen)
{
if (fread(row, sizeof(uint16_t), rowlen, f) != rowlen)
{
free(im->data);
im->data = NULL;
free(row);
fclose(f);
return 0;
}
for (j = 0; j < rowlen; j += 4) {
for (j = 0; j < rowlen; j += 4)
{
/*
* 16-Bit to 8-Bit (RGBA -> BGRA)
* 255 * 257 = 65535 = 2^16-1 = UINT16_MAX
@ -82,7 +92,8 @@ load(ImlibImage *im, ImlibProgressFunction progress,
dat[j + 3] = ntohs(row[j + 3]) / 257;
}
}
if (progress) {
if (progress)
{
progress(im, 100, 0, 0, im->w, im->h);
}
@ -103,32 +114,38 @@ save(ImlibImage *im, ImlibProgressFunction progress, char progress_gran)
uint8_t *dat;
/* open the file for writing */
if (!(f = fopen(im->real_file, "wb"))) {
if (!(f = fopen(im->real_file, "wb")))
{
return 0;
}
/* write header */
fputs("farbfeld", f);
tmp32 = htonl(im->w);
if (fwrite(&tmp32, sizeof(uint32_t), 1, f) != 1) {
if (fwrite(&tmp32, sizeof(uint32_t), 1, f) != 1)
{
fclose(f);
return 0;
}
tmp32 = htonl(im->h);
if (fwrite(&tmp32, sizeof(uint32_t), 1, f) != 1) {
if (fwrite(&tmp32, sizeof(uint32_t), 1, f) != 1)
{
fclose(f);
return 0;
}
/* write data */
rowlen = im->w * (sizeof("RGBA") - 1);
if (!(row = malloc(rowlen * sizeof(uint16_t)))) {
if (!(row = malloc(rowlen * sizeof(uint16_t))))
{
fclose(f);
return 0;
}
dat = (uint8_t *) im->data;
for (i = 0; i < (uint32_t)im->h; ++i, dat += rowlen) {
for (j = 0; j < rowlen; j += 4) {
for (i = 0; i < (uint32_t) im->h; ++i, dat += rowlen)
{
for (j = 0; j < rowlen; j += 4)
{
/*
* 8-Bit to 16-Bit
* 255 * 257 = 65535 = 2^16-1 = UINT16_MAX
@ -138,13 +155,15 @@ save(ImlibImage *im, ImlibProgressFunction progress, char progress_gran)
row[j + 2] = htons(dat[j + 0] * 257);
row[j + 3] = htons(dat[j + 3] * 257);
}
if (fwrite(row, sizeof(uint16_t), rowlen, f) != rowlen) {
if (fwrite(row, sizeof(uint16_t), rowlen, f) != rowlen)
{
free(row);
fclose(f);
return 0;
}
}
if (progress) {
if (progress)
{
progress(im, 100, 0, 0, im->w, im->h);
}