mediaLib Library Functions
mlib_ImageBlend_BSRC1_BSRC2_Inp(3MLIB)
NAME
mlib_ImageBlend_BSRC1_BSRC2_Inp, mlib_ImageBlend_DA_DA_Inp,
mlib_ImageBlend_DA_DC_Inp, mlib_ImageBlend_DA_OMDA_Inp,
mlib_ImageBlend_DA_OMDC_Inp, mlib_ImageBlend_DA_OMSA_Inp,
mlib_ImageBlend_DA_ONE_Inp, mlib_ImageBlend_DA_SA_Inp,
mlib_ImageBlend_DA_SAS_Inp, mlib_ImageBlend_DA_ZERO_Inp,
mlib_ImageBlend_OMDA_DA_Inp, mlib_ImageBlend_OMDA_DC_Inp,
mlib_ImageBlend_OMDA_OMDA_Inp,
mlib_ImageBlend_OMDA_OMDC_Inp,
mlib_ImageBlend_OMDA_OMSA_Inp, mlib_ImageBlend_OMDA_ONE_Inp,
mlib_ImageBlend_OMDA_SA_Inp, mlib_ImageBlend_OMDA_SAS_Inp,
mlib_ImageBlend_OMDA_ZERO_Inp, mlib_ImageBlend_OMSA_DA_Inp,
mlib_ImageBlend_OMSA_DC_Inp, mlib_ImageBlend_OMSA_OMDA_Inp,
mlib_ImageBlend_OMSA_OMDC_Inp,
mlib_ImageBlend_OMSA_OMSA_Inp, mlib_ImageBlend_OMSA_ONE_Inp,
mlib_ImageBlend_OMSA_SA_Inp, mlib_ImageBlend_OMSA_SAS_Inp,
mlib_ImageBlend_OMSA_ZERO_Inp, mlib_ImageBlend_OMSC_DA_Inp,
mlib_ImageBlend_OMSC_DC_Inp, mlib_ImageBlend_OMSC_OMDA_Inp,
mlib_ImageBlend_OMSC_OMDC_Inp,
mlib_ImageBlend_OMSC_OMSA_Inp, mlib_ImageBlend_OMSC_ONE_Inp,
mlib_ImageBlend_OMSC_SA_Inp, mlib_ImageBlend_OMSC_SAS_Inp,
mlib_ImageBlend_OMSC_ZERO_Inp, mlib_ImageBlend_ONE_DA_Inp,
mlib_ImageBlend_ONE_DC_Inp, mlib_ImageBlend_ONE_OMDA_Inp,
mlib_ImageBlend_ONE_OMDC_Inp, mlib_ImageBlend_ONE_OMSA_Inp,
mlib_ImageBlend_ONE_ONE_Inp, mlib_ImageBlend_ONE_SA_Inp,
mlib_ImageBlend_ONE_SAS_Inp, mlib_ImageBlend_ONE_ZERO_Inp,
mlib_ImageBlend_SA_DA_Inp, mlib_ImageBlend_SA_DC_Inp,
mlib_ImageBlend_SA_OMDA_Inp, mlib_ImageBlend_SA_OMDC_Inp,
mlib_ImageBlend_SA_OMSA_Inp, mlib_ImageBlend_SA_ONE_Inp,
mlib_ImageBlend_SA_SA_Inp, mlib_ImageBlend_SA_SAS_Inp,
mlib_ImageBlend_SA_ZERO_Inp, mlib_ImageBlend_SC_DA_Inp,
mlib_ImageBlend_SC_DC_Inp, mlib_ImageBlend_SC_OMDA_Inp,
mlib_ImageBlend_SC_OMDC_Inp, mlib_ImageBlend_SC_OMSA_Inp,
mlib_ImageBlend_SC_ONE_Inp, mlib_ImageBlend_SC_SA_Inp,
mlib_ImageBlend_SC_SAS_Inp, mlib_ImageBlend_SC_ZERO_Inp,
mlib_ImageBlend_ZERO_DA_Inp, mlib_ImageBlend_ZERO_DC_Inp,
mlib_ImageBlend_ZERO_OMDA_Inp,
mlib_ImageBlend_ZERO_OMDC_Inp,
mlib_ImageBlend_ZERO_OMSA_Inp, mlib_ImageBlend_ZERO_ONE_Inp,
mlib_ImageBlend_ZERO_SA_Inp, mlib_ImageBlend_ZERO_SAS_Inp,
mlib_ImageBlend_ZERO_ZERO_Inp - blending, in place
SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include
mlib_status mlib_ImageBlend_BSRC1_BSRC2_Inp(mlib_image *src1dst,
const mlib_image *src2, mlib_s32 cmask);
SunOS 5.11 Last change: 2 Mar 2007 1
mediaLib Library Functionsmlib_ImageBlend_BSRC1_BSRC2_Inp(3MLIB)
DESCRIPTION
This group of functions supports digital image composition.They are low-level, in-place, blending functions.
The image type must be MLIB_BYTE. The input and output
images must contain three or four channels. For three-
channel images, the alpha value is as if the alpha value is 1. BSRC1 is one of the following: ZERO, ONE, SC, OMSC, DA, SA, OMDA, or OMSA. BSRC2 is one of the following: ZERO, ONE, DC, OMDC, DA, SA, OMDA, OMSA, or SAS. The following are predefined blend factor types used in mediaLib image composition functions. /* image blend factors */ typedef enum {MLIB_BLEND_ZERO,
MLIB_BLEND_ONE,
MLIB_BLEND_DST_COLOR,
MLIB_BLEND_SRC_COLOR,
MLIB_BLEND_ONE_MINUS_DST_COLOR,
MLIB_BLEND_ONE_MINUS_SRC_COLOR,
MLIB_BLEND_DST_ALPHA,
MLIB_BLEND_SRC_ALPHA,
MLIB_BLEND_ONE_MINUS_DST_ALPHA,
MLIB_BLEND_ONE_MINUS_SRC_ALPHA,
MLIB_BLEND_SRC_ALPHA_SATURATE
} mlib_blend;
See the following table for the definitions of the blend factors. Type Blend Factor [*] Abbr.__________________________________________________________________
MLIB_BLEND_ZERO (0,0,0,0) ZERO
MLIB_BLEND_ONE (1,1,1,1) ONE
MLIB_BLEND_DST_COLOR (Rd,Gd,Bd,Ad) DC
MLIB_BLEND_SRC_COLOR (Rs,Gs,Bs,As) SC
MLIB_BLEND_ONE_MINUS_DST_COLOR (1,1,1,1)-(Rd,Gd,Bd,Ad) OMDC
MLIB_BLEND_ONE_MINUS_SRC_COLOR (1,1,1,1)-(Rs,Gs,Bs,As) OMSC
MLIB_BLEND_DST_ALPHA (Ad,Ad,Ad,Ad) DA
MLIB_BLEND_SRC_ALPHA (As,As,As,As) SA
SunOS 5.11 Last change: 2 Mar 2007 2
mediaLib Library Functionsmlib_ImageBlend_BSRC1_BSRC2_Inp(3MLIB)
MLIB_BLEND_ONE_MINUS_DST_ALPHA (1,1,1,1)-(Ad,Ad,Ad,Ad) OMDA
MLIB_BLEND_ONE_MINUS_SRC_ALPHA (1,1,1,1)-(As,As,As,As) OMSA
MLIB_BLEND_SRC_ALPHA_SATURATE (f,f,f,1) SAS
[*]: The components of the first source image pixel are (Rd,Gd,Bd,Ad), and the components of the second source pixelare (Rs,Gs,Bs,As). Function f = min(As,1-Ad). The first
source image is also the destination image.The blending formula for in-place processing is:
Cd = Cd*D + Cs*S where Cd is the destination pixel (Rd,Gd,Bd,Ad), Cs is thesource pixel (Rs,Gs,Bs,As), and D and S are the blend fac-
tors for the destination and source, respectively.PARAMETERS
Each of the functions takes the following arguments: src1dst Pointer to the first source and the destination image. src2 Pointer to the second source image. cmask Channel mask to indicate the alpha channel. Each bit of the mask represents a channel in the image. The channel corresponding to the 1 bit is the alpha channel. cmask must be either 0x01 or 0x08.RETURN VALUES
Each of the functions returns MLIB_SUCCESS if successful.
Otherwise it returns MLIB_FAILURE.
ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:SunOS 5.11 Last change: 2 Mar 2007 3
mediaLib Library Functionsmlib_ImageBlend_BSRC1_BSRC2_Inp(3MLIB)
______________________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Interface Stability | Committed ||_____________________________|_____________________________|
| MT-Level | MT-Safe |
|_____________________________|_____________________________|
SEE ALSO
mlib_ImageBlend_BSRC1_BSRC2(3MLIB),
mlib_ImageComposite(3MLIB), mlib_ImageComposite_Inp(3MLIB),
attributes(5)SunOS 5.11 Last change: 2 Mar 2007 4
mediaLib Library Functionsmlib_ImageBlend_BSRC1_BSRC2_Inp(3MLIB)
SunOS 5.11 Last change: 2 Mar 2007 5