brl/mutter
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix ISO C90 compiler warnings in Cogl

Browse Source 
Mixing declarations and statements and unused variables.
This commit is contained in:
Emmanuele Bassi
2011-02-15 12:31:12 +00:00
parent c8ddb3b55a
commit c4cfdd59d3
3 changed files with 57 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
cogl/cogl-bitmap-pixbuf.c
View File

@ -95,63 +95,86 @@ CoglBitmap *
_cogl_bitmap_from_file (const char *filename,
GError **error)
{
CFURLRef url;
CGImageSourceRef image_source;
CGImageRef image;
int save_errno;
CFStringRef type;
gsize width, height, rowstride;
guint8 *out_data;
CGColorSpaceRef color_space;
CGContextRef bitmap_context;
g_assert (filename != NULL);
g_assert (error == NULL || *error == NULL);
CFURLRef url = CFURLCreateFromFileSystemRepresentation (NULL, (guchar*)filename, strlen(filename), false);
CGImageSourceRef image_source = CGImageSourceCreateWithURL (url, NULL);
int save_errno = errno;
url = CFURLCreateFromFileSystemRepresentation (NULL,
(guchar *) filename,
strlen (filename),
false);
image_source = CGImageSourceCreateWithURL (url, NULL);
save_errno = errno;
CFRelease (url);
if (image_source == NULL)
{
/* doesn't exist, not readable, etc. */
g_set_error (error, COGL_BITMAP_ERROR, COGL_BITMAP_ERROR_FAILED,
"%s", g_strerror (save_errno));
g_set_error_literal (error,
COGL_BITMAP_ERROR,
COGL_BITMAP_ERROR_FAILED,
g_strerror (save_errno));
return NULL;
}
/* Unknown images would be cleanly caught as zero width/height below, but try
* to provide better error message
*/
CFStringRef type = CGImageSourceGetType (image_source);
type = CGImageSourceGetType (image_source);
if (type == NULL)
{
CFRelease (image_source);
g_set_error (error, COGL_BITMAP_ERROR, COGL_BITMAP_ERROR_UNKNOWN_TYPE,
"Unknown image type");
g_set_error_literal (error,
COGL_BITMAP_ERROR,
COGL_BITMAP_ERROR_UNKNOWN_TYPE,
"Unknown image type");
return NULL;
}
CFRelease (type);
CGImageRef image = CGImageSourceCreateImageAtIndex (image_source, 0, NULL);
image = CGImageSourceCreateImageAtIndex (image_source, 0, NULL);
CFRelease (image_source);
gsize width = CGImageGetWidth (image);
gsize height = CGImageGetHeight (image);
width = CGImageGetWidth (image);
height = CGImageGetHeight (image);
if (width == 0 || height == 0)
{
/* incomplete or corrupt */
CFRelease (image);
g_set_error (error, COGL_BITMAP_ERROR, COGL_BITMAP_ERROR_CORRUPT_IMAGE,
"Image has zero width or height");
g_set_error_literal (error,
COGL_BITMAP_ERROR,
COGL_BITMAP_ERROR_CORRUPT_IMAGE,
"Image has zero width or height");
return NULL;
}
/* allocate buffer big enough to hold pixel data */
gsize rowstride;
rowstride = 4 * width;
guint8 *out_data = g_malloc0 (height * rowstride);
out_data = g_malloc0 (height * rowstride);
/* render to buffer */
CGColorSpaceRef color_space = CGColorSpaceCreateWithName (kCGColorSpaceGenericRGB);
CGContextRef bitmap_context = CGBitmapContextCreate (out_data,
width, height, 8,
rowstride, color_space,
kCGImageAlphaPremultipliedFirst);
color_space = CGColorSpaceCreateWithName (kCGColorSpaceGenericRGB);
bitmap_context = CGBitmapContextCreate (out_data,
width, height, 8,
rowstride, color_space,
kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease (color_space);
const CGRect rect = {{0, 0}, {width, height}};
CGContextDrawImage (bitmap_context, rect, image);
{
const CGRect rect = {{0, 0}, {width, height}};
CGContextDrawImage (bitmap_context, rect, image);
}
CGImageRelease (image);
CGContextRelease (bitmap_context);