Binary compatibility report for the libdmtx library between 0.2.0 and 0.3.0 versions on x86

Test Info

Library Name	libdmtx
Version #1	0.2.0
Version #2	0.3.0
CPU Type	x86
GCC Version	4.6.1

Test Results

Total Header Files	1
Total Shared Libraries	1
Total Symbols / Types	78 / 44
Verdict	Incompatible (60.3%)

Problem Summary

	Severity	Count
Added Symbols	-	21
Removed Symbols	High	26
Problems with Data Types	High	1
	Medium	14
	Low	11
Problems with Symbols	High	1
	Medium	16
	Low	15
Problems with Constants	Low	0
Other Changes in Constants	-	4

Added Symbols (21)

dmtx.h, libdmtx.so.1
dmtxColor3Add ( struct DmtxColor3* vOut, struct DmtxColor3* v1, struct DmtxColor3* v2 )
dmtxColor3AddTo ( struct DmtxColor3* v1, struct DmtxColor3* v2 )
dmtxColor3AlongRay3 ( struct DmtxRay3* ray, float dist )
dmtxColor3Cross ( struct DmtxColor3* vOut, struct DmtxColor3* v1, struct DmtxColor3* v2 )
dmtxColor3Dot ( struct DmtxColor3* v1, struct DmtxColor3* v2 )
dmtxColor3FromImage ( struct DmtxColor3* color, struct DmtxImage* image, int x, int y )
dmtxColor3FromImage2 ( struct DmtxColor3* color, struct DmtxImage* image, struct DmtxVector2 p )
dmtxColor3FromPixel ( struct DmtxColor3* color, struct DmtxPixel* pxl )
dmtxColor3Mag ( struct DmtxColor3* v )
dmtxColor3Norm ( struct DmtxColor3* v )
dmtxColor3Scale ( struct DmtxColor3* vOut, struct DmtxColor3* v, float s )
dmtxColor3ScaleBy ( struct DmtxColor3* v, float s )
dmtxColor3Sub ( struct DmtxColor3* vOut, struct DmtxColor3* v1, struct DmtxColor3* v2 )
dmtxColor3SubFrom ( struct DmtxColor3* v1, struct DmtxColor3* v2 )
dmtxDecodeGetMatrix ( DmtxDecode* decode, int index )
dmtxDecodeGetMatrixCount ( DmtxDecode* decode )
dmtxDecodeStructCreate ( )
dmtxDecodeStructDestroy ( DmtxDecode** decode )
dmtxMatrix3LineSkewSideInv ( float[3]* m, float b0, float b1, float sz )
dmtxMatrix3LineSkewTopInv ( float[3]* m, float b0, float b1, float sz )
dmtxPixelFromColor3 ( struct DmtxPixel* pxl, struct DmtxColor3* color )

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Removed Symbols (26)

dmtx.h, libdmtx.so.0.2.0
dmtxColorAlongRay3 ( struct DmtxRay3* ray, float dist )
dmtxColorFromImage ( struct DmtxVector3* color, struct DmtxImage* image, int x, int y )
dmtxColorFromImage2 ( struct DmtxVector3* color, struct DmtxImage* image, struct DmtxVector2 p )
dmtxColorFromPixel ( struct DmtxVector3* color, struct DmtxPixel* pxl )
dmtxGfProduct ( int a, int b )
dmtxGfSum ( int a, int b )
dmtxImageLoadPng ( struct DmtxImage* image, char* filename )
dmtxInfoGetMatrix ( DmtxInfo* info, int index )
dmtxInfoGetMatrixCount ( DmtxInfo* info )
dmtxInfoStructCreate ( )
dmtxInfoStructDestroy ( DmtxInfo** info )
dmtxMatrix3Determinate ( float[3]* m )
dmtxMatrix3Inverse ( float[3]* mr, float[3]* ma )
dmtxMatrix3Transpose ( float[3]* mIn, float[3]* mOut )
dmtxPatternReadEcc200Modules ( struct DmtxMatrixRegion* matrixRegion )
dmtxPixelFromColor ( struct DmtxPixel* pxl, struct DmtxVector3* color )
dmtxVector3Add ( struct DmtxVector3* vOut, struct DmtxVector3* v1, struct DmtxVector3* v2 )
dmtxVector3AddTo ( struct DmtxVector3* v1, struct DmtxVector3* v2 )
dmtxVector3Cross ( struct DmtxVector3* vOut, struct DmtxVector3* v1, struct DmtxVector3* v2 )
dmtxVector3Dot ( struct DmtxVector3* v1, struct DmtxVector3* v2 )
dmtxVector3Mag ( struct DmtxVector3* v )
dmtxVector3Norm ( struct DmtxVector3* v )
dmtxVector3Scale ( struct DmtxVector3* vOut, struct DmtxVector3* v, float s )
dmtxVector3ScaleBy ( struct DmtxVector3* v, float s )
dmtxVector3Sub ( struct DmtxVector3* vOut, struct DmtxVector3* v1, struct DmtxVector3* v2 )
dmtxVector3SubFrom ( struct DmtxVector3* v1, struct DmtxVector3* v2 )

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Problems with Data Types, High Severity (1)

	Change	Effect
1	Field calibTopP1 has been removed from the middle position of this structural type.	1) Previous accesses of applications to the removed field will be incorrect. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.

dmtx.h
[+] struct DmtxMatrixRegion (1)

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Problems with Symbols, High Severity (1)

	Change	Effect
1	Type of 2nd parameter angle has been changed from float (4 bytes) to double (8 bytes).	Layout of parameter's stack has been changed and therefore parameters at higher positions in the stack may be incorrectly initialized by applications.

dmtx.h, libdmtx.so.0.2.0
[+] dmtxMatrix3Rotate ( float[3]* m, float angle ) (1)

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Problems with Data Types, Medium Severity (14)

	Change	Effect
1	Field shy has been removed from this type.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.

	Change	Effect
1	Size of field matrix has been changed from 244 bytes to 300 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field may be broken.

	Change	Effect
1	Size of field ray has been changed from 24 bytes to 48 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field and fields at higher positions of the structure definition may be broken.
2	Type of field color has been changed from struct DmtxVector3 (12 bytes) to struct DmtxColor3 (24 bytes).	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field and fields at higher positions of the structure definition may be broken.
3	Type of field colorPrev has been changed from struct DmtxVector3 (12 bytes) to struct DmtxColor3 (24 bytes).	1) This field may be incorrectly initialized or accessed by applications. 2) Size of the inclusive type has been changed.

	Change	Effect
1	Field gapCount has been added at the middle position of this structural type.	1) Size of the inclusive type has been changed. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
2	Size of field chain has been changed from 40 bytes to 44 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field and fields at higher positions of the structure definition may be broken.
3	Size of field gradient has been changed from 64 bytes to 112 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field and fields at higher positions of the structure definition may be broken.

	Change	Effect
1	Size of field p has been changed from 8 bytes to 16 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field and fields at higher positions of the structure definition may be broken.
2	Size of field v has been changed from 8 bytes to 16 bytes.	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field may be broken.

	Change	Effect
1	Type of field p has been changed from struct DmtxVector3 (12 bytes) to struct DmtxColor3 (24 bytes).	1) This field may be incorrectly initialized or accessed by applications. 2) Size of the inclusive type has been changed.
2	Field v has been removed from this type.	1) Applications will access incorrect memory when attempting to access this field. 2) Size of the inclusive type has been changed.

	Change	Effect
1	Type of field X has been changed from float (4 bytes) to double (8 bytes).	1) Size of the inclusive type has been changed. 2) Previous accesses of applications and library functions to this field and fields at higher positions of the structure definition may be broken.
2	Type of field Y has been changed from float (4 bytes) to double (8 bytes).	1) This field may be incorrectly initialized or accessed by applications. 2) Size of the inclusive type has been changed.

dmtx.h
[+] struct DmtxChain (1)
[+] struct DmtxEncode (1)
[+] struct DmtxGradient (3)
[+] struct DmtxMatrixRegion (3)
[+] struct DmtxRay2 (2)
[+] struct DmtxRay3 (2)
[+] struct DmtxVector2 (2)

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Problems with Symbols, Medium Severity (16)

	Change	Effect
1	Base type of 2nd parameter q has been changed from struct DmtxVector3 (12 bytes) to struct DmtxColor3 (24 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 2nd parameter q has been changed from struct DmtxVector3 (12 bytes) to struct DmtxColor3 (24 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter point has been changed from struct DmtxVector3 (12 bytes) to struct DmtxColor3 (24 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

	Change	Effect
1	Base type of 1st parameter info has been changed from struct _DmtxInfo (3968 bytes) to struct _DmtxDecode (4864 bytes).	This parameter may be incorrectly initialized by applications.

dmtx.h, libdmtx.so.0.2.0
[+] dmtxDistanceAlongRay3 ( struct DmtxRay3* r, struct DmtxVector3* q ) (1)
[+] dmtxDistanceFromRay3 ( struct DmtxRay3* r, struct DmtxVector3* q ) (1)
[+] dmtxPointAlongRay3 ( struct DmtxVector3* point, struct DmtxRay3* r, float t ) (1)
[+] dmtxScanLine ( DmtxInfo* info, enum DmtxDirection dir, int lineNbr ) (1)
[+] dmtxScanStartNew ( DmtxInfo* info ) (1)
[+] dmtxSetBuildMatrixCallback2 ( DmtxInfo* info, void(*func)(struct DmtxFinderBar*, struct DmtxMatrixRegion*) ) (1)
[+] dmtxSetBuildMatrixCallback3 ( DmtxInfo* info, void(*func)(float[3]*) ) (1)
[+] dmtxSetBuildMatrixCallback4 ( DmtxInfo* info, void(*func)(float[3]*) ) (1)
[+] dmtxSetCrossScanCallback ( DmtxInfo* info, void(*func)(struct DmtxScanRange*, struct DmtxGradient*, struct DmtxEdgeScan*) ) (1)
[+] dmtxSetFinalCallback ( DmtxInfo* info, void(*func)(struct DmtxMatrixRegion*) ) (1)
[+] dmtxSetFinderBarCallback ( DmtxInfo* info, void(*func)(struct DmtxRay2*) ) (1)
[+] dmtxSetFollowScanCallback ( DmtxInfo* info, void(*func)(struct DmtxEdgeFollower*) ) (1)
[+] dmtxSetPlotModuleCallback ( DmtxInfo* info, void(*func)(DmtxInfo*, struct DmtxMatrixRegion*, int, int, struct DmtxVector3) ) (1)
[+] dmtxSetPlotPointCallback ( DmtxInfo* info, void(*func)(struct DmtxVector2, int, int, int) ) (1)
[+] dmtxSetStepScanCallback ( DmtxInfo* info, void(*func)(DmtxInfo*, struct DmtxScanRange*, struct DmtxJumpScan*) ) (1)
[+] dmtxSetXfrmPlotPointCallback ( DmtxInfo* info, void(*func)(struct DmtxVector2, float[3]*, int, int) ) (1)

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Problems with Data Types, Low Severity (11)

	Change	Effect
1	Field phi has been added to this type.	1) This field will not be initialized by old clients. 2) Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
2	Field sz has been added to this type.	1) This field will not be initialized by old clients. 2) Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
3	Size of this type has been changed from 40 bytes to 44 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

	Change	Effect
1	Size of this type has been changed from 308 bytes to 364 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

	Change	Effect
1	Size of this type has been changed from 64 bytes to 112 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

	Change	Effect
1	Size of this type has been changed from 244 bytes to 300 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.
2	Field calibTopP0 has been renamed to highHit.	Renaming of a field in data type may indicate a change in the semantic meaning of the field.

	Change	Effect
1	Size of this type has been changed from 28 bytes to 44 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

	Change	Effect
1	Field c has been added to this type.	1) This field will not be initialized by old clients. 2) Size of the inclusive type has been changed. NOTE: this field should be accessed only from the new library functions, otherwise it may result in crash or incorrect behavior of applications.
2	Size of this type has been changed from 24 bytes to 48 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

	Change	Effect
1	Size of this type has been changed from 8 bytes to 16 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

dmtx.h
[+] struct DmtxChain (3)
[+] struct DmtxEncode (1)
[+] struct DmtxGradient (1)
[+] struct DmtxMatrixRegion (2)
[+] struct DmtxRay2 (1)
[+] struct DmtxRay3 (2)
[+] struct DmtxVector2 (1)

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Problems with Symbols, Low Severity (15)

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.
2	Base type of 2nd parameter func has been changed from void()(DmtxInfo,struct DmtxMatrixRegion,int,int,struct DmtxVector3) to void()(DmtxDecode,struct DmtxMatrixRegion,int,int,struct DmtxColor3).	Replacement of parameter base type may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.
2	Base type of 2nd parameter func has been changed from void()(DmtxInfo,struct DmtxScanRange,struct DmtxJumpScan) to void()(DmtxDecode,struct DmtxScanRange,struct DmtxJumpScan).	Replacement of parameter base type may indicate a change in its semantic meaning.

	Change	Effect
1	1st parameter info has been renamed to decode.	Renaming of a parameter may indicate a change in its semantic meaning.

dmtx.h, libdmtx.so.0.2.0
[+] dmtxScanLine ( DmtxInfo* info, enum DmtxDirection dir, int lineNbr ) (1)
[+] dmtxScanStartNew ( DmtxInfo* info ) (1)
[+] dmtxSetBuildMatrixCallback2 ( DmtxInfo* info, void(*func)(struct DmtxFinderBar*, struct DmtxMatrixRegion*) ) (1)
[+] dmtxSetBuildMatrixCallback3 ( DmtxInfo* info, void(*func)(float[3]*) ) (1)
[+] dmtxSetBuildMatrixCallback4 ( DmtxInfo* info, void(*func)(float[3]*) ) (1)
[+] dmtxSetCrossScanCallback ( DmtxInfo* info, void(*func)(struct DmtxScanRange*, struct DmtxGradient*, struct DmtxEdgeScan*) ) (1)
[+] dmtxSetFinalCallback ( DmtxInfo* info, void(*func)(struct DmtxMatrixRegion*) ) (1)
[+] dmtxSetFinderBarCallback ( DmtxInfo* info, void(*func)(struct DmtxRay2*) ) (1)
[+] dmtxSetFollowScanCallback ( DmtxInfo* info, void(*func)(struct DmtxEdgeFollower*) ) (1)
[+] dmtxSetPlotModuleCallback ( DmtxInfo* info, void(*func)(DmtxInfo*, struct DmtxMatrixRegion*, int, int, struct DmtxVector3) ) (2)
[+] dmtxSetPlotPointCallback ( DmtxInfo* info, void(*func)(struct DmtxVector2, int, int, int) ) (1)
[+] dmtxSetStepScanCallback ( DmtxInfo* info, void(*func)(DmtxInfo*, struct DmtxScanRange*, struct DmtxJumpScan*) ) (2)
[+] dmtxSetXfrmPlotPointCallback ( DmtxInfo* info, void(*func)(struct DmtxVector2, float[3]*, int, int) ) (1)

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Other Changes in Constants (4)

	Change	Effect
1	The constant DMTX_EDGE_FOUND with value 6 has been added.	No effect.

	Change	Effect
1	The constant DMTX_END_OF_RANGE with value 5 has been added.	No effect.

dmtxstatic.h
[+] DMTX_EDGE_FOUND
[+] DMTX_END_OF_RANGE
[+] DMTX_TURN_CCW
[+] DMTX_TURN_CW

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Header Files (1)

dmtx.h

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Shared Libraries (1)

libdmtx.so.0.2.0

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