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NSDebugLLog helpful error messages if something was wrong in the shader dictionary.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@19727 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Alexander Malmberg 2004-07-13 01:14:38 +00:00
parent 5093449316
commit feda605242
2 changed files with 40 additions and 8 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2004-07-13 03:11 Alexander Malmberg <alexander@malmberg.org>
* Source/art/shfill.m (function_setup, -DPSshfill:): NSDebugLLog
helpful error messages if something was wrong in the shader
dictionary.
2004-07-09 Adam Fedor <fedor@gnu.org>
* Documentation/Back/Standards.txt: New EWMH file.

42
Source/art/shfill.m
View file

@ -34,6 +34,7 @@ this code is rather experimental
#include "blit.h"
#include <Foundation/NSData.h>
#include <Foundation/NSDebug.h>
#include <Foundation/NSValue.h>
#include <AppKit/NSAffineTransform.h>
#include <AppKit/NSGraphics.h>
@ -415,26 +416,41 @@ static BOOL function_setup(NSDictionary *d,function_t *f)
int i,j;
if ([v intValue]!=0)
{
NSDebugLLog(@"GSArt-shfill", @"FunctionType!=0 not supported.");
return NO;
}
memset(f,0,sizeof(function_t));
a=[d objectForKey: @"Size"];
f->num_in=[a count];
if (!f->num_in)
{
NSDebugLLog(@"GSArt-shfill", @"Size has no entries.");
return NO;
}
f->num_out=[[d objectForKey: @"Range"] count]/2;
if (!f->num_out)
{
NSDebugLLog(@"GSArt-shfill", @"Range has no entries.");
return NO;
}
f->bits_per_sample=[[d objectForKey: @"BitsPerSample"] intValue];
if (!(f->bits_per_sample==8 || f->bits_per_sample==16))
{
NSDebugLLog(@"GSArt-shfill", @"BitsPerSample other than 8 or 16 aren't supported.");
return NO;
}
data=[d objectForKey: @"DataSource"];
if (!data || ![data isKindOfClass: [NSData class]])
{
NSDebugLLog(@"GSArt-shfill", @"No valid DataSource given.");
return NO;
}
f->data_source=[data bytes];
f->size=malloc(sizeof(int)*f->num_in);
@ -455,6 +471,7 @@ static BOOL function_setup(NSDictionary *d,function_t *f)
f->encode=NULL;
free(f->decode);
f->decode=NULL;
NSDebugLLog(@"GSArt-shfill", @"Memory allocation failed.");
return NO;
}
@ -482,6 +499,8 @@ static BOOL function_setup(NSDictionary *d,function_t *f)
f->encode=NULL;
free(f->decode);
f->decode=NULL;
NSDebugLLog(@"GSArt-shfill", @"Need %i bytes of data, DataSource only has %i bytes.",
j, [data length]);
return NO;
}
@ -533,9 +552,6 @@ static void function_free(function_t *f)
}
/* just fail silently for now */
#define ERROR return
-(void) DPSshfill: (NSDictionary *)shader
{
NSNumber *v;
@ -551,24 +567,34 @@ static void function_free(function_t *f)
/* only type 1 shaders */
if ([v intValue]!=1)
ERROR;
{
NSDebugLLog(@"GSArt-shfill", @"ShadingType!=1 not supported.");
return;
}
/* in device rgb space */
if ([shader objectForKey: @"ColorSpace"])
if (![[shader objectForKey: @"ColorSpace"] isEqual: NSDeviceRGBColorSpace])
ERROR;
{
NSDebugLLog(@"GSArt-shfill", @"Only device RGB ColorSpace supported.");
return;
}
function_dict=[shader objectForKey: @"Function"];
if (!function_dict)
ERROR;
{
NSDebugLLog(@"GSArt-shfill", @"Function not set.");
return;
}
if (!function_setup(function_dict,&function))
ERROR;
return;
if (function.num_in!=2 || function.num_out!=3)
{
function_free(&function);
ERROR;
NSDebugLLog(@"GSArt-shfill", @"Function doesn't have 2 inputs and 3 outputs.");
return;
}
matrix=[ctm copy];