問(wèn)題：
斑馬105SL打印機(jī)用串口ZPL指令打印時(shí)，當(dāng)打印一些圖標(biāo)時(shí)，需要發(fā)送很多的字符串，請(qǐng)問(wèn)能否把這些圖標(biāo)生成一個(gè)固定的文件，這樣以后只需發(fā)送相應(yīng)的文件名就可打印相關(guān)的圖標(biāo)了。請(qǐng)賜教！
敏用數(shù)碼解答：
斑馬105SL實(shí)現(xiàn)這個(gè)功能是沒(méi)有任何問(wèn)題的，但需要注意105sl的內(nèi)存配置，老型號(hào)的105sl采用4MB RAM（R:），2MB閃存（E:），新型號(hào)的105sl采用6MB RAM（R:），4MB閃存（E:）。避免
條碼打印機(jī)出現(xiàn)圖形過(guò)大下載溢出的情況。
通常采用ZPL中的~DG指令（下載圖形）【ZTOOLS工具生成GRF】和^XG指令（調(diào)用圖形）或^IL指令（調(diào)用圖形）【^XG與^IL的區(qū)別為：是否可以對(duì)圖形進(jìn)行縮放？】來(lái)完成這樣一個(gè)過(guò)程。
~DG指令（下載圖形）格式：
~DGd:o.GRF,t,w,data
d=存儲(chǔ)圖形的位置，可選的值：R,E,B,A
o=文件名，1-8個(gè)字母數(shù)字字符
t=圖形占用字節(jié)數(shù)（bits）
w=每行的字節(jié)數(shù)
data=ASCII字符串
t參數(shù)的計(jì)算公式：
xz/8 * yz=t （x=圖形以mm為單位的寬度，y=圖形以mm為單位的高度，z=dots/mm為單位的打印機(jī)分辨率，8=bits/byte）
比如，8mm寬，16mm高的圖形，采用105sl-203dpi打印機(jī)打印，那么：
t=8*12/8*16*12=2304
^XG指令（調(diào)用圖形）格式：
^XGd:o.GRF,mx,my
d=存儲(chǔ)圖形的源位置，可選的值：R,E,B,A
o=圖形的文件名
mx=X軸的放大倍數(shù)，1-10
my=Y軸的放大倍數(shù)，1-10
^ILd:o.GRF
d=存儲(chǔ)圖形的源位置，可選的值：R,E,B,A
例子：
下載圖形代碼：
~DGR:SAMPLE.GRF,00080,010,
FFFFFFFFFFFFFFFFFFFF
8000FFFF0000FFFF0001
8000FFFF0000FFFF0001
8000FFFF0000FFFF0001
FFFF0000FFFF0000FFFF
FFFF0000FFFF0000FFFF
FFFF0000FFFF0000FFFF
FFFFFFFFFFFFFFFFFFFF
調(diào)用圖形代碼（^XG）：
^XA
^F020,20^XGR:SAMPLE.GRF,1,1^FS
^XZ
^XA
^F020,20^ILR:SAMPLE.GRF^FS
^XZ
如何把圖片轉(zhuǎn)換為GRF格式：
下面介紹如何把斑馬logo轉(zhuǎn)換為GRF格式
1、Logo圖形的后綴名需要為PCX或者TIF
2、然后通過(guò)ZTOOLS工具中的Convert Graphic File功能，把PCX或者TIF的文件轉(zhuǎn)換為GRF格式的文件。
斑馬LOGO經(jīng)過(guò)轉(zhuǎn)換后的GRF格式的代碼如下：
~DGR:ZLOGO,02180,020,E0000000000000000000000000000000000001A0
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8000000000000000000000000000000000000020
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