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gf_context_set_rop()

Replace the current raster operation

Synopsis:

#include <gf/gf.h>

uint8_t gf_context_set_rop( gf_context_t context,
                            unsigned short rop );

Arguments:

context
The graphics context to set the ROP for.
rop
The new ROP code; see the list below.

Library:

gf

Description:

This function sets the raster operation (ROP) for subsequent draw operations for a draw context. ROPs give you extended control over how pixels are plotted in the form of bitwise operations considering source and desination values, as well as patterns. You can set the pattern using gf_context_set_pattern().


Note: To retore normal drawing, apply the rop code GF_ROP_S.

The QNX Graphics Framework supports a total of 256 ROPs.

Raster Operation Defines

The table below lists the defined ROPs for GF. For additional macros, see public/gf/gf_rop.h in the GF source directory.

In the ROP names, these letters have the following meanings:

D
Destination Bit
S
Source Bit
P
Pattern Bit
o
bitwise OR operation
a
bitwise AND operation
x
bitwise exclusive OR operation
n
bitwise NOT operation
Name Rop # Operation
GF_ROP_ZERO 0x00 0
GF_ROP_DPSoon 0x01 ~ ( (D | (P | S) ) )
GF_ROP_DPSona 0x02 D & ( ~ (P | S) )
GF_ROP_PSon 0x03 ~ (P | S)
GF_ROP_SDPona 0x04 S & ( ~ (D | P) )
GF_ROP_DPon 0x05 ~ (D | P)
GF_ROP_PDSxnon 0x06 ~ (P | (~ (D ^ S)))
GF_ROP_PDSaon 0x07 ~ (P | (D & S))
GF_ROP_SDPnaa 0x08 S & (D & (~ P))
GF_ROP_PDSxon 0x09 ~ (P | (D ^ S))
GF_ROP_DPna 0x0A D & (~ P)
GF_ROP_PSDnaon 0x0B ~ (P | (S & (~ D)))
GF_ROP_SPna 0x0C S & (~ P)
GF_ROP_PDSnaon 0x0D ~ (P | (D & (~ S)))
GF_ROP_PDSonon 0x0E ~ (P | (~(D | S)))
GF_ROP_Pn 0x0F ~ P
GF_ROP_PDSona 0x10 P & (~ (D | S))
GF_ROP_DSon 0x11 ~ (D | S)
GF_ROP_SDPxnon 0x12 ~ (S | (~ (D ^ P)))
GF_ROP_SDPaon 0x13 ~ (S | (D & P))
GF_ROP_DPSxnon 0x14 ~ (D | (~ (P ^ S)))
GF_ROP_DPSaon 0x15 ~ (D | (P & S))
GF_ROP_PSDPSanaxx 0x16 P ^ (S ^ (D & (~ (P & S))))
GF_ROP_SSPxDSxaxn 0x17 ~ (S ^ ((S ^ P) & (D ^ S)))
GF_ROP_SPxPDxa 0x18 (S ^ P) & (P ^ D)
GF_ROP_SDPSanaxn 0x19 ~ (S ^ (D & (~ (P & S))))
GF_ROP_PDSPaox 0x1A P ^ (D | (S & P))
GF_ROP_SDPSxaxn 0x1B ~ (S ^ (D & (P ^ S))))
GF_ROP_PSDPaox 0x1C P ^ (S | (D & P)))
GF_ROP_DSPDxaxn 0x1D ~ (D ^ (S & (P ^ D)))
GF_ROP_PDSox 0x1E P ^ (D | S)
GF_ROP_PDSoan 0x1F ~ (P & (D | S))
GF_ROP_DPSnaa 0x20 D & (P & (~S))
GF_ROP_SDPxon 0x21 ~ (S | (D ^ P))
GF_ROP_DSna 0x22 D & (~S)
GF_ROP_SPDnaon 0x23 ~ (S | (P & (~D)))
GF_ROP_SPxDSxa 0x24 (S ^ P) & (D ^ S)
GF_ROP_PDSPanaxn 0x25 ~ (P ^ (D & (~ (S & P))))
GF_ROP_SDPSaox 0x26 S ^ (D | (P & S))
GF_ROP_SDPSxnox 0x27 S ^ (D | (~ (P ^ S)))
GF_ROP_DPSxa 0x28 D & (P ^ S)
GF_ROP_PSDPSaoxxn 0x29 ~ (P ^ (S ^ (D | (P & S))))
GF_ROP_DPSana 0x2A D & (~ (P & S))
GF_ROP_SSPxPDxaxn 0x2B ~ (S ^ ((S ^ P) & (P ^ D))
GF_ROP_SPDSoax 0x2C S ^ (P & (D | S))
GF_ROP_PSDnox 0x2D P ^ (S | (~D))
GF_ROP_PSDPxox 0x2E P ^ (S | (D ^ P))
GF_ROP_PSDnoan 0x2F ~ (P & (S | (~D)))
GF_ROP_PSna 0x30 P & (~ S)
GF_ROP_SDPnaon 0x31 ~ (S | (D & (~P)))
GF_ROP_SDPSoox 0x32 S ^ (D | (P | S))
GF_ROP_Sn 0x33 ~S
GF_ROP_SPDSaox 0x34 S ^ (P | (D & S))
GF_ROP_SPDSxnox 0x35 S ^ (P | (~ (D ^ S)))
GF_ROP_SDPox 0x36 S ^ (D | P)
GF_ROP_SDPoan 0x37 ~ (S & (D | P))
GF_ROP_PSDPoax 0x38 P ^ (S & (D | P)))
GF_ROP_SPDnox 0x39 S ^ (P | (~ D)))
GF_ROP_SPDSxox 0x3A S ^ (P | (D ^ S))
GF_ROP_SPDnoan 0x3B ~ (S & (P | (~ D)))
GF_ROP_PSx 0x3C P ^ S
GF_ROP_SPDSonox 0x3D S ^ (P | (~ (D | S)))
GF_ROP_SPDSnaox 0x3E S ^ (P | (D & (~ S)))
GF_ROP_PSan 0x3F ~ (P & S)
GF_ROP_PSDnaa 0x40 P & (S & (~ D))
GF_ROP_DPSxon 0x41 ~ (D | (P ^ S)
GF_ROP_SDxPDxa 0x42 (S ^ D) & (P ^ D)
GF_ROP_SPDSanaxn 0x43 ~ (S ^ (P & (~ (D & S))))
GF_ROP_SDna 0x44 S & (~ D)
GF_ROP_DPSnaon 0x45 ~ (D | (P & (~ S)))
GF_ROP_DSPDaox 0x46 D ^ (S | (P & D)))
GF_ROP_PSDPxaxn 0x47 ~ (P ^ (S & (D ^ P)))
GF_ROP_SDPxa 0x48 S & (D ^ P))
GF_ROP_PDSPDaoxxn 0x49 ~ (P ^ (D ^ (S | (P & D))))
GF_ROP_DPSDoax 0x4A D ^ (P & (S | D))
GF_ROP_PDSnox 0x4B P ^ (D | (~ S))
GF_ROP_SDPana 0x4C S & (~ (D & P))
GF_ROP_SSPxDSxoxn 0x4D ~ (S ^ ((S ^ P) | (D ^ S)))
GF_ROP_PDSPxox 0x4E P ^ (D | (S ^ P))
GF_ROP_PDSnoan 0x4F ~ (P & (D | (~S)))
GF_ROP_PDna 0x50 (~ D) & P
GF_ROP_DSPnaon 0x51 ~ (D | (S & (~P)))
GF_ROP_DPSDaox 0x52 D ^ (P | (S & D))
GF_ROP_SPDSxaxn 0x53 ~ (S ^ (P & (D ^ S)))
GF_ROP_DPSonon 0x54 ~ (D | (~ (P | S)))
GF_ROP_Dn 0x55 ~ D
GF_ROP_DPSox 0x56 D ^ (P | S)
GF_ROP_DPSoan 0x57 ~ (D & (P | S))
GF_ROP_PDSPoax 0x58 P ^ (D & (S | P))
GF_ROP_DPSnox 0x59 D ^ (P | (~ S))
GF_ROP_DPx 0x5A D ^ P
GF_ROP_DPSDonox 0x5B D ^ (P | (~ (S | D)))
GF_ROP_DPSDxox 0x5C D ^ (P | (S ^ D))
GF_ROP_DPSnoan 0x5D ~ (D & (P | (~ S)))
GF_ROP_DPSDnaox 0x5E D ^ (P | (S & (~ D)))
GF_ROP_DPan 0x5F ~ (D & P)
GF_ROP_PDSxa 0x60 P & (D ^ S)
GF_ROP_DSPDSaoxxn 0x61 ~ (D ^ (S ^ (P | (D & S))))
GF_ROP_DSPDoax 0x62 D ^ (S & (P | D))
GF_ROP_SDPnox 0x63 S ^ (D | (~ P))
GF_ROP_SDPSoax 0x64 S ^ (D & (P | S))
GF_ROP_DSPnox 0x65 D ^ (S | (~ P))
GF_ROP_DSx 0x66 D ^ S
GF_ROP_SDPSonox 0x67 S ^ (D | (~ (P | S)))
GF_ROP_DSPDSonoxxn 0x68 ~ (D ^ (S ^ (P | (~ (D | S)))))
GF_ROP_PDSxxn 0x69 ~ (P ^ (D ^ S))
GF_ROP_DPSax 0x6A D ^ (P & S)
GF_ROP_PSDPSoaxxn 0x6B ~ (P ^ (S ^ (D & (P | S))))
GF_ROP_SDPax 0x6C S ^ (D & P)
GF_ROP_PDSPDoaxxn 0x6D ~ (P ^ (D ^ (S & (P | D))))
GF_ROP_SDPSnoax 0x6E S ^ (D & (P | (~ S)))
GF_ROP_PDSxnan 0x6F ~ (P & (~ (D ^ S)))
GF_ROP_PDSana 0x70 P & (~ (D & S))
GF_ROP_SSDxPDxaxn 0x71 ~ (S ^ ((S ^ D) & (P ^ D)))
GF_ROP_SDPSxox 0x72 S ^ (D | (P ^ S))
GF_ROP_SDPnoan 0x73 ~ (S & (D | (~P)))
GF_ROP_DSPDxox 0x74 D ^ (S | (P ^ D))
GF_ROP_DSPnoan 0x75 ~ (D & (S | (~ P)))
GF_ROP_SDPSnaox 0x76 S ^ (D | (P & (~ S)))
GF_ROP_DSan 0x77 ~ (D & S)
GF_ROP_PDSax 0x78 P ^ (D & S)
GF_ROP_DSPDSoaxxn 0x79 ~ (D ^ (S ^ (P & (D | S))))
GF_ROP_DPSDnoax 0x7A D ^ (P & (S | (~ D)))
GF_ROP_SDPxnan 0x7B ~ (S & (~ (D ^ P)))
GF_ROP_SPDSnoax 0x7C S ^ (P & (D | (~ S)))
GF_ROP_DPSxnan 0x7D ~ (D & (~ (P ^ S)))
GF_ROP_SPxDSxo 0x7E (S ^ P) | (D ^ S)
GF_ROP_DPSaan 0x7F ~ (D & (P & S))
GF_ROP_DPSaa 0x80 D & (P & S)
GF_ROP_SPxDSxon 0x81 ~ ((P ^ S) | (D ^ S))
GF_ROP_DPSxna 0x82 D & (~ (P ^ S))
GF_ROP_SPDSnoaxn 0x83 ~ (S ^ (P & (D | (~ S))))
GF_ROP_SDPxna 0x84 S & (~ (D ^ P))
GF_ROP_PDSPnoaxn 0x85 ~ (P ^ (D & (S | (~ P))))
GF_ROP_DSPDSoaxx 0x86 D ^ (S ^ (P & (D | S)))
GF_ROP_PDSaxn 0x87 ~ (P ^ (D & S))
GF_ROP_DSa 0x88 D & S
GF_ROP_SDPSnaoxn 0x89 ~ (S ^ (D | (P & (~ S))))
GF_ROP_DSPnoa 0x8A D & (S | (~ P))
GF_ROP_DSPSxoxn 0x8B ~ (D ^ (S | (P ^ S)))
GF_ROP_SDPnoa 0x8C S & (D | (~ P))
GF_ROP_SDPSxoxn 0x8D ~ (S ^ (D | (P ^ S)))
GF_ROP_SSDxPDxax 0x8E S ^ ((S ^ D) & (P ^ D))
GF_ROP_PDSanan 0x8F ~ (P & (~ (D & S)))
GF_ROP_PDSxna 0x90 P & (~ (D ^ S))
GF_ROP_SDPSnoaxn 0x91 ~ (S ^ (D & (P | (~ S))))
GF_ROP_DPSDPoaxx 0x92 D ^ (P ^ (S & (D | P)))
GF_ROP_SPDaxn 0x93 ~ (S ^ (P & D))
GF_ROP_PSDPSoaxx 0x94 P ^ (S ^ (D & (P | S)))
GF_ROP_DPSaxn 0x95 ~ (D ^ (P & S))
GF_ROP_DPSxx 0x96 D ^ (P ^ S)
GF_ROP_PSDPSonoxx 0x97 P ^ (S ^ (D | (~ (P | S))))
GF_ROP_SDPSonoxn 0x98 ~ (S ^ (D | (~ (P | S))))
GF_ROP_DSxn 0x99 ~ (D ^ S)
GF_ROP_DPSnax 0x9A D ^ (P & (~ S))
GF_ROP_SDPSoaxn 0x9B ~ (S ^ (D & (P | S)))
GF_ROP_SPDnax 0x9C S ^ (P & (~ D))
GF_ROP_DSPDoaxn 0x9D ~ (D ^ (S & (P | D)))
GF_ROP_DSPDSaoxx 0x9E D ^ (S ^ (P | (D & S)))
GF_ROP_PDSxan 0x9F ~ (P & (D ^ S))
GF_ROP_DPa 0xA0 (D & P)
GF_ROP_PDSPnaoxn 0xA1 ~ (P ^ (D | (S & (~ P))))
GF_ROP_DPSnoa 0xA2 D & (P | (~ S))
GF_ROP_DPSDxoxn 0xA3 ~ (D ^ (P | (S ^ D)))
GF_ROP_PDSPonoxn 0xA4 ~ (P ^ (D | (~ (S | P))))
GF_ROP_PDxn 0xA5 ~ (P ^ D)
GF_ROP_DSPnax 0xA6 D ^ (S & (~ P))
GF_ROP_PDSPoaxn 0xA7 ~ (P ^ (D & (S | P)))
GF_ROP_DPSoa 0xA8 D & (P | S)
GF_ROP_DPSoxn 0xA9 ~ (D ^ (P | S))
GF_ROP_D 0xAA D
GF_ROP_DPSono 0xAB D | (~ (P | S))
GF_ROP_SPDSxax 0xAC S ^ (P & (D ^ S))
GF_ROP_DPSDaoxn 0xAD ~ (D ^ (P | (S & D)))
GF_ROP_DSPnao 0xAE D | (S & (~ P))
GF_ROP_DPno 0xAF D | (~ P)
GF_ROP_PDSnoa 0xB0 P & (D | (~ S))
GF_ROP_PDSPxoxn 0xB1 ~ (P ^ (D | (S ^ P)))
GF_ROP_SSPxDSxox 0xB2 S ^ ((S ^ P) | (D ^ S))
GF_ROP_SDPanan 0xB3 ~ (S & (~ (D & P)))
GF_ROP_PSDnax 0xB4 P ^ (S & (~ D))
GF_ROP_DPSDoaxn 0xB5 ~ (D ^ (P & (S | D)))
GF_ROP_DPSDPaoxx 0xB6 D ^ (P ^ (S | (D & P)))
GF_ROP_SDPxan 0xB7 ~ (S & (D ^ P))
GF_ROP_PSDPxax 0xB8 P ^ (S & (D ^ P))
GF_ROP_DSPDaoxn 0xB9 ~ (D ^ (S | (P & D)))
GF_ROP_DPSnao 0xBA D | (P & (~ S))
GF_ROP_DSno 0xBB D | (~ S)
GF_ROP_SPDSanax 0xBC S ^ (P & (~ (D & S)))
GF_ROP_SDxPDxan 0xBD ~ ((S ^ D) & (P ^ D))
GF_ROP_DPSxo 0xBE D | (P ^ S)
GF_ROP_DPSano 0xBF D | (~ (P & S))
GF_ROP_PSa 0xC0 P & S
GF_ROP_SPDSnaoxn 0xC1 ~ (S ^ (P | (D & (~ S))))
GF_ROP_SPDSonoxn 0xC2 ~ (S ^ (P | (~ (D | S))))
GF_ROP_PSxn 0xC3 ~ (P ^ S)
GF_ROP_SPDnoa 0xC4 S & (P | (~ D))
GF_ROP_SPDSxoxn 0xC5 ~ (S ^ (P | (D ^ S)))
GF_ROP_SDPnax 0xC6 S ^ (D & (~ P))
GF_ROP_PSDPoaxn 0xC7 ~ (P ^ (S & (D | P)))
GF_ROP_SDPoa 0xC8 S & (D | P)
GF_ROP_SPDoxn 0xC9 ~ (S ^ (P | D))
GF_ROP_DPSDxax 0xCA D ^ (P & (S ^ D))
GF_ROP_SPDSaoxn 0xCB ~ (S ^ (P | (D & S)))
GF_ROP_S 0xCC S
GF_ROP_SDPono 0xCD S | (~ (D | P))
GF_ROP_SDPnao 0xCE S | (D & (~ P))
GF_ROP_SPno 0xCF S | (~ P)
GF_ROP_PSDnoa 0xD0 P & (S | (~ D))
GF_ROP_PSDPxoxn 0xD1 ~ (P ^ (S | (D ^ P)))
GF_ROP_PDSnax 0xD2 P ^ (D & (~ S))
GF_ROP_SPDSoaxn 0xD3 ~ (S ^ (P & (D | S)))
GF_ROP_SSPxPDxax 0xD4 S ^ ((S ^ P) & (P ^ D))
GF_ROP_DPSanan 0xD5 ~ (D & (~ (P & S)))
GF_ROP_PSDPSaoxx 0xD6 P ^ (S ^ (D | (P & S)))
GF_ROP_DPSxan 0xD7 ~ (D & (P ^ S))
GF_ROP_PDSPxax 0xD8 P ^ (D & (S ^ P))
GF_ROP_SDPSaoxn 0xD9 ~ (S ^ (D | (P & S)))
GF_ROP_DPSDanax 0xDA D ^ (P & (~ (S & D)))
GF_ROP_SPxDSxan 0xDB ~ ((S ^ P) & (D ^ S))
GF_ROP_SPDnao 0xDC S | (P & (~ D))
GF_ROP_SDno 0xDD S | (~ D)
GF_ROP_SDPxo 0xDE S | (D ^ P)
GF_ROP_SDPano 0xDF S | (~ (D & P))
GF_ROP_PDSoa 0xE0 P & (D | S)
GF_ROP_PDSoxn 0xE1 ~ (P ^ (D | S))
GF_ROP_DSPDxax 0xE2 D ^ (S & (P ^ D))
GF_ROP_PSDPaoxn 0xE3 ~ (P ^ (S | (D & P)))
GF_ROP_SDPSxax 0xE4 S ^ (D & (P ^ S))
GF_ROP_PDSPaoxn 0xE5 ~ (P ^ (D | (S & P)))
GF_ROP_SDPSanax 0xE6 S ^ (D & (~ (P & S)))
GF_ROP_SPxDPxan 0xE7 ~ ((S ^ P) & (D ^ P))
GF_ROP_SSPxDSxax 0xE8 S ^ ((S ^ P) & (D ^ S))
GF_ROP_DSPDSanaxxn 0xE9 ~ (D ^ (S ^ (P & (~ (D & S)))))
GF_ROP_DPSao 0xEA D | (P & S)
GF_ROP_DPSxno 0xEB D | (~ (P ^ S))
GF_ROP_SDPao 0xEC S | (D & P)
GF_ROP_SDPxno 0xED S | (~ (D ^ P))
GF_ROP_DSo 0xEE D | S
GF_ROP_SDPnoo 0xEF S | (D | (~ P))
GF_ROP_P 0xF0 P
GF_ROP_PDSono 0xF1 P | (~ (D | S))
GF_ROP_PDSnao 0xF2 P | (D & (~ S))
GF_ROP_PSno 0xF3 P | (~ S)
GF_ROP_PSDnao 0xF4 P | (S & (~ D))
GF_ROP_PDno 0xF5 P | (~ D)
GF_ROP_PDSxo 0xF6 P | (D ^ S)
GF_ROP_PDSano 0xF7 P | (~ (D & S))
GF_ROP_PDSao 0xF8 P | (D & S)
GF_ROP_PDSxno 0xF9 P | (~ (D ^ S))
GF_ROP_DPo 0xFA D | P
GF_ROP_DPSnoo 0xFB D | (P | (~ S))
GF_ROP_PSo 0xFC P | S
GF_ROP_PSDnoo 0xFD P | (S | (~ D))
GF_ROP_DPSoo 0xFE D | (P | S)
GF_ROP_ONE 0xFF 1

Returns:

The previous ROP code.

Classification:

QNX Graphics Framework

Safety:
Interrupt handler No
Signal handler No
Thread Yes

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