Enlightenment CVS committal
Author : raster
Project : e17
Module : libs/imlib2
Dir : e17/libs/imlib2/src/modules/loaders
Modified Files:
loader_bmp.c
Log Message:
bmp loader in cvs
===================================================================
RCS file:
/cvsroot/enlightenment/e17/libs/imlib2/src/modules/loaders/loader_bmp.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -3 -r1.3 -r1.4
--- loader_bmp.c 7 Jan 2005 00:43:34 -0000 1.3
+++ loader_bmp.c 1 Dec 2005 06:44:39 -0000 1.4
@@ -55,6 +55,54 @@
return 1;
}
+static int
+WriteleByte(FILE * file, unsigned char val)
+{
+ int rc;
+
+ rc = fputc ((int) val & 0xff, file);
+ if (rc == EOF)
+ return 0;
+
+ return 1;
+}
+
+static int
+WriteleShort(FILE * file, unsigned short val)
+{
+ int rc;
+
+ rc = fputc ((int) (val & 0xff), file);
+ if (rc == EOF)
+ return 0;
+ rc = fputc ((int) ((val >> 8) & 0xff), file);
+ if (rc == EOF)
+ return 0;
+
+ return 1;
+}
+
+static int
+WriteleLong(FILE * file, unsigned long val)
+{
+ int rc;
+
+ rc = fputc ((int) (val & 0xff), file);
+ if (rc == EOF)
+ return 0;
+ rc = fputc ((int) ((val >> 8) & 0xff), file);
+ if (rc == EOF)
+ return 0;
+ rc = fputc ((int) ((val >> 16) & 0xff), file);
+ if (rc == EOF)
+ return 0;
+ rc = fputc ((int) ((val >> 24) & 0xff), file);
+ if (rc == EOF)
+ return 0;
+
+ return 1;
+}
+
char
load(ImlibImage * im, ImlibProgressFunction progress,
char progress_granularity, char immediate_load)
@@ -708,14 +756,58 @@
return 1;
}
-#if 0
char
save(ImlibImage * im, ImlibProgressFunction progress, char
progress_granularity)
{
- /* TODO */
- return 0;
+ FILE *f;
+ Imlib_Color pixel_color;
+ unsigned long i, j, pad, size;
+
+ if (!im->data)
+ return 0;
+
+ f = fopen(im->real_file, "wb");
+ if (!f)
+ return 0;
+
+ /* calculate number of bytes to pad on end of each row */
+ pad = (4 - ((im->w * 3) % 4)) & 0x03;
+
+ /* write BMP file header */
+ WriteleShort(f, 0x4d42); /* prefix */
+ WriteleLong(f, 54 + 3 * im->w * im->h); /* filesize */
+ WriteleShort(f, 0x0000); /* reserved #1 */
+ WriteleShort(f, 0x0000); /* reserved #2 */
+ WriteleLong(f, 54); /* offset to image data */
+
+ /* write BMP bitmap header */
+ WriteleLong(f, 40); /* 40-byte header */
+ WriteleLong(f, im->w);
+ WriteleLong(f, im->h);
+ WriteleShort(f, 1); /* one plane */
+ WriteleShort(f, 24); /* bits per pixel */
+ WriteleLong(f, 0); /* no compression */
+ WriteleLong(f, 3 * im->w * im->h);
+ for (i = 0; i < 4; i++)
+ WriteleLong(f, 0x0000); /* pad to end of header */
+
+ /* write actual BMP data */
+ for (i = 0; i < im->h; i++)
+ {
+ for (j = 0; j < im->w; j++)
+ {
+ imlib_image_query_pixel (j, im->h - i - 1, &pixel_color);
+ WriteleByte(f, pixel_color.blue);
+ WriteleByte(f, pixel_color.green);
+ WriteleByte(f, pixel_color.red);
+ }
+ for (j = 0; j < pad; j++)
+ WriteleByte(f, 0);
+ }
+
+ fclose(f);
+ return 1;
}
-#endif
void
formats(ImlibLoader * l)
-------------------------------------------------------
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