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Kyocera KM-8030 PRESCRIBE Commands Technical Reference Manual - Rev. 4.7 - Page 59

Printing Raster Data, Changing the Printing System’s Imaging Model

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Raster Graphics tagged image file format raster data. Both commands are used with the ENDR (END Raster) command. Printing Raster Data The normal sequence for printing raster data is to set the presentation mode (and, if desired, the height and width of the raster image area) with the SRO command, to set the dot resolution with the STR command, then to print the raster data with the RVRD or RVCD/ENDR command pair. Changing the Printing System's Imaging Model The printing system's imaging model governs the way in which images and patterns are applied to each other. In short, it determines the transparency or opaqueness of images as images overlay one another and fill patterns are applied through images. The image model applies to all PRESCRIBE image modes, and also to operation in the Hewlett-Packard LaserJet emulation mode. In general, placing any image on a page involves three elements: a pattern, a source image whose black bits are replaced by the pattern, and a destination image, which is any earlier image onto which the source image and pattern are placed. The fill pattern or gray scale pattern is defined by the PAT command, FPAT command, or GPAT command. The source image is any raster graphics image, standard mode graphic, lines or shapes produced by filling or stroking a path, or text printed using any bitmap or scalable font. The manner in which white bits in the pattern and source image are processed varies according to the transparency mode. There are two transparency modes: the source transparency mode and the pattern transparency mode. When the source transparency mode is 0 (transparent), white bits in the source image have no effect on the destination image; when the source transparency mode is 1 (opaque), white bits in the source image are applied to the destination image. Similarly, when the pattern transparency mode is 0 (transparent), white bits in the pattern do not affect the destination image; but the area of the source image replaced by the pattern dots is applied to the destination image when the pattern transparency mode is 1 (opaque). The figure on the next page illustrates the results that are obtained by printing images using image modes; that is, using different combinations of source and pattern transparency modes. 2-37

Section	Page
General Infomation	3
Introduction	5
About the Technical Reference manual	6
Table of Contents	7
Introduction to PRESCRIBE	9
Format of PRESCRIBE Commands	12
Basic Concepts	12
Edge Limits	12
Margins	12
Page Orientation and Direction	13
Coordinate Systems	15
Text Positioning	15
Character Spacing	16
Paths	17
Logical Page and Physical Page	17
Command Parameters	18
Numeric Parameters	18
Character Strings	19
Upper and Lowercase Letters	20
Special Parameters	21
Graphics Tutorial	23
Drawing Lines	24
Drawing Boxes and Circles	28
Drawing Filled Shapes	31
Drawing Pie Charts	36
Path Mode Graphics	38
Path	38
Drawing Lines	40
Miter Limit	43
Dash Type	44
Drawing Arcs and Curves	46
Drawing Complex Curves	48
Closed Paths	51
Filled Areas	52
Clipping Rectangle	54
Printing with Character Paths	55
Raster Graphics	56
Raster Data Compression Formats	56
Commands for Printing Raster Data	57
Printing Raster Data	59
Changing the Printing System’s Imaging Model	59
Saving and Restoring the Graphics State	61
Macros	63
Examples of Macros	65
Fonts	69
List of Fonts	70
KPDL Fonts	72
Substituting a Bitmap Font	74
Font Selection	75
Font Selection by PRESCRIBE Commands	75
Placement of Font Commands	79
Creation of New Symbols and Characters	80
Symbol Set	81
International Characters	82
Selecting HP Symbol Sets	82
Barcodes	85
PDF417 Symbol Description	94
Printing a Two-dimensional Barcode	96
Limitations of Two-dimensional Barcode	97
Macro PDF417	98
Creating a Macro PDF 417 Representation	98
Permanent Parameters	101
Interface-dependent Parameters	102
Interface-independent Parameters	105
Emulation	113
Automatic emulation sensing	115
General Information on Emulation	115
Line Printer Emulation (Mode 0)	115
IBM Proprinter X24E Emulation (Mode 1)	116
IBM Proprinter X24E Control Codes	118
IBM Symbol Sets	121
Diablo 630 Emulation (Mode 2)	124
Diablo 630 Control Codes	126
Diablo 630 Symbol Sets	128
Epson LQ-850 Emulation (Mode 5)	133
EPSON LQ-850 Control Codes	136
LQ-850 Symbol Sets	138
HP LaserJet Emulation (Mode 6)	145
LaserJet Fonts	147
LaserJet Symbol Sets	149
Resource Protection	152
Switching the Print Resolution	154
HP LaserJet Reset State	155
LaserJet PJL	155
HP LaserJet Printer Commands - PCL	161
HP-GL/2 Context Printer Commands	176
PJL Syntax Comparison	178
LaserJet Symbol Sets	179
HP 7550A Emulation [KC-GL] (Mode 8)	208
Basic	208
KC-GL Environment Options	209
Plotter Status Information	214
Device-Control Instructions	218
Fonts and Symbol Sets in KC-GL	219
KC-GL Symbol Sets	220
KC-GL Limits	222
Summary of KC-GL Instructions	223
KPDL Operators	227
Communication with the Printing System	227
KPDL Summary	228
KPDL Error Messages	251
KPDL Printable Area	252
Index	255
Numerics	255
A	255
B	255
C	255
D	255
E	255
F	256
G	256
H	256
I	256
K	256
L	256
M	256
N	256
O	257
P	257
Q	257
R	257
S	257
T	257
U	257
W	257
X	257

Match case Limit results 1 per page

Raster Graphics

2-37

tagged image file format raster data. Both commands are used with the ENDR (END

Raster) command.

Printing Raster Data

The normal sequence for printing raster data is to set the presentation mode (and, if

desired, the height and width of the raster image area) with the SRO command, to set the

dot resolution with the STR command, then to print the raster data with the RVRD or

RVCD/ENDR command pair.

Changing the Printing System’s Imaging Model

The printing system’s imaging model governs the way in which images and patterns are

applied to each other. In short, it determines the transparency or opaqueness of images as

images overlay one another and fill patterns are applied through images.

The image model applies to all PRESCRIBE image modes, and also to operation in the

Hewlett-Packard LaserJet emulation mode.

In general, placing any image on a page involves three elements:

a pattern, a source

image

whose black bits are replaced by the pattern, and

a destination image

, which is

any earlier image onto which the source image and pattern are placed.

The fill pattern or gray scale pattern is defined by the PAT command, FPAT command, or

GPAT command.

The source image is any raster graphics image, standard mode graphic, lines or shapes

produced by filling or stroking a path, or text printed using any bitmap or scalable font.

The manner in which white bits in the pattern and source image are processed varies

according to the

transparency mode

. There are two transparency modes: the

source

transparency mode

and the

pattern transparency mode

When the source transparency mode is

(transparent), white bits in the source image

have no effect on the destination image; when the source transparency mode is

(opaque), white bits in the source image are applied to the destination image.

Similarly, when the pattern transparency mode is

(transparent), white bits in the pattern

do not affect the destination image; but the area of the source image replaced by the pat-

tern dots is applied to the destination image when the pattern transparency mode is

(opaque).

The figure on the next page illustrates the results that are obtained by printing images

using image modes; that is, using different combinations of source and pattern transpar-

ency modes.