CN102407683B - Stepless zooming printing control method and device of printer - Google Patents

Stepless zooming printing control method and device of printer Download PDF

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CN102407683B
CN102407683B CN 201010292670 CN201010292670A CN102407683B CN 102407683 B CN102407683 B CN 102407683B CN 201010292670 CN201010292670 CN 201010292670 CN 201010292670 A CN201010292670 A CN 201010292670A CN 102407683 B CN102407683 B CN 102407683B
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input
column
character
horizontal
target
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CN102407683A (en )
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张午
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江门市得实计算机外部设备有限公司
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Abstract

本发明提供了一种用于打印机的无级变倍打印控制方法,包括:检索步骤,用于根据打印指令从字库中检索源字符点阵;目标点阵生成步骤,用于根据目标字符点阵的宽度和高度对源字符点阵进行水平变换和/或垂直变换,以得到具有目标字符点阵的宽度和高度的目标字符点阵;以及打印步骤,用于基于目标字符点阵进行打印。 The present invention provides a zoom print control method for a printer, comprising: a retrieving step of retrieving from the font source character dot according to a print instruction; target lattice generating step, according to a target character dot the width and height of the source character dot converting horizontal and / or vertical transform, to obtain the width and height of a target character having a target character dot matrix; and a printing step for printing based on the target dot matrix characters. 本发明还提供了一种用于打印机的无级变倍打印控制装置,以及包括该装置的打印机。 The present invention further provides a zoom print control apparatus for a printer, and the printer comprising the apparatus.

Description

打印机的无级变倍打印控制方法和装置 A zoom printer apparatus and printing control method of

技术领域 FIELD

[0001] 本发明涉及打印机,更具体而言,涉及打印机的无级变倍打印控制方法和装置。 [0001] The present invention relates to a printer, and more particularly, to a zoom printer printing control method and apparatus.

背景技术 Background technique

[0002] 在传统的打印机应用中,用户一般是通过WPS、Word、Excel等软件,预先制定好特定的表格,手动输入数据,再将数据通过计算机系统的打印机驱动程序,转换成特定的位图格式后发送给打印机。 [0002] In the conventional printer application, a user typically through the WPS, Word, Excel software, good specific pre-established table, manual input data, then the data by a printer driver of the computer system, converts into a specific bitmap after the format sent to the printer. 这种应用方式的特点是页面格式不受限制,用户可以任意改变票据样式,无需了解如何将数据转换成打印机能识别的格式。 This application is characteristic page format is not limited, the user can change the style of any instrument, without needing to know how to convert the data into a format recognized by the printer.

[0003] 银行、医院、车站、邮政、税务等行业用户都有自己专用的应用机,通过编写代码,将打印的数据进行特殊加工后,再发送至打印机,以达到灵活处理数据、简化资料输入过程、制定特定票据格式的目的。 After the [0003] banks, hospitals, railway stations, postal services, taxation and other industrial users has its own dedicated machine applications, the data to be printed for special processing by writing code, and then sent to the printer in order to achieve flexible processing data, simplify data entry process, aim to develop specific bill format.

[0004] 图1示意性地示出了例如银行、医院、车站、邮政、税务等行业用户的打印机100的框图。 [0004] Figure 1 schematically shows a block diagram of banks, hospitals, stations, postal service, tax and other industries, for example, the user of the printer 100. 如图1所示,该打印机100包括字库11、字符检索单元12、和打印成像实现单元13。 As shown in FIG. 1, the printer 100 includes 11 font, character search unit 12, and print the image forming unit 13 implement. 字符检索单元12接收打印指令,基于打印指令从字库11中检索相应的字符点阵,将字符点阵发送到打印成像实现单元13。 Character search unit 12 receives a print instruction, to retrieve the corresponding character from the font dot matrix 11 based on the print command, and sends to the print dot matrix character image forming unit 13 is realized. 打印成像实现单元13基于字符点阵进行打印。 Imaging of the printing unit 13 performs printing based on the character lattice.

[0005] 现有的打印机不具有对字符进行任意比例缩放的功能。 [0005] The conventional printer does not have any function for scaling characters. 在进行票据打印时,需要在固定的空格内要打印不定数量的字符,而这些字符都不能超出固定空格的范围。 During ticket printing needs within a fixed space to print a variable number of characters, and these characters are not beyond the scope of fixed spaces. 若采用现有方法直接打印,容易出现打印字符越界或字符与打印区间不对齐等现象。 If the use of existing methods for direct printing, printing prone to cross-border character or characters are not aligned with the printing area and so on.

[0006] 因此,希望打印机具有打印任意大小字符的能力。 [0006] Therefore, you want the printer has the ability to print any size characters. 但是由于普通打印机的存储容量有限,通过在字库中存储多套不同宽高比的字符点阵,以选用不同大小的字符点阵来适应指定打印范围的方法不现实。 Due to the limited storage capacity of the common printer, the specified printing range to accommodate the different aspect by storing sets of dot matrix characters in the font to use different sizes of character dot matrix method impractical.

发明内容 SUMMARY

[0007] 为了解决现有技术存在的上述问题,本发明提供了一种用于打印机,特别是针式打印机的无级变倍打印控制方法和装置。 [0007] To solve the above problems of the prior art, the present invention provides a method for the printer, especially a zoom print control method and apparatus of the dot matrix printer.

[0008] 根据本发明的第一方面,提供了一种用于打印机的无级变倍打印控制方法,包括:检索步骤,用于根据打印指令从字库中检索源字符点阵;目标点阵生成步骤,用于根据目标字符点阵的宽度和高度对源字符点阵进行水平变换和/或垂直变换,以得到具有目标字符点阵的宽度和高度的目标字符点阵;以及打印步骤,用于基于目标字符点阵进行打印。 [0008] According to a first aspect of the present invention, there is provided a zoom print control method for a printer, comprising: a retrieving step of retrieving from the font source character dot according to a print instruction; target lattice generation step, the target character lattice for the width and height of the source character dot horizontal transform and / or vertical transform, to obtain the width and height of a target character having a target character dot lattice; and a printing step of character dot matrix printing based on the target.

[0009] 根据本发明的第二方面,提供了一种用于打印机的无级变倍打印控制装置,用于根据目标字符点阵的宽度和高度对源字符点阵进行水平变换和/或垂直变换,以得到具有目标字符点阵的宽度和高度的目标字符点阵,包括:水平变换单元,用于根据目标字符点阵的宽度,对输入该水平变换单元的点阵进行水平变换;和垂直变换单元,用于根据目标字符点阵的高度,对输入该垂直变换单元的点阵进行垂直变换,其中垂直变换单元的输入端接收来自水平变换单元的输出,或者水平变换单元的输入端接收来自垂直变换单元的输出。 [0009] According to a second aspect of the present invention, there is provided a zoom print control apparatus for a printer, for converting the horizontal and / or vertical character lattice of the target width and height of the source character dot transformation, to obtain the width and height of a target character having a target character dot matrix, comprising: level converting means according to the character width of the target lattice, the lattice of the input level converting means converting the horizontal; and vertical converting means according to the height of the target character dot matrix, the vertical transform of the input dot vertically transform unit, wherein the vertical input terminal receives the output from the conversion unit horizontal transform unit or the input unit receives from the horizontal transform vertical transform output unit.

[0010] 根据本发明的第三方面,提供了一种打印机,包括根据本发明第二方面所述的无级变倍打印控制装置,所述打印机还包括:字库,用于存储源字符点阵;字符检索单元,用于根据打印指令从字库检索一个或多个源字符点阵;和打印成像实现单元,用于基于目标字符点阵进行打印。 [0010] According to a third aspect of the present invention, there is provided a printer comprising a zoom print control apparatus according to the second aspect of the present invention, said printer further comprising: a font, for storing the source character dot ; character retrieving means for retrieving from a print instruction according to one or more source font character lattice; and to achieve print imaging unit, based on the target for printing dot matrix characters.

附图说明 BRIEF DESCRIPTION

[0011] 结合附图,根据对示例性实施例的以下说明,本发明的总体构思的上述和/或其他方面将变得显而易见并更易于理解,在附图中: [0011] conjunction with the accompanying drawings, the following description of exemplary embodiments of the above and / or other aspects of the present general inventive concept will become apparent and more readily appreciated from the accompanying drawings in which:

[0012] 图1示意性地示出了现有技术的打印机的框图; [0012] FIG 1 schematically shows a block diagram of a prior art printer;

[0013] 图2示出了根据本发明实施例的无级变倍打印控制方法的流程图; [0013] FIG. 2 shows a flowchart of a zoom print control method according to an embodiment of the present invention;

[0014] 图3A-3C示出了根据本发明实施例的对字符点阵进行水平变换的过程; [0014] Figures 3A-3C illustrate a process of character dot horizontal transform according to an embodiment of the present invention;

[0015] 图4A-4B示出了根据本发明实施例的对字符点阵进行垂直变换的过程; [0015] Figures 4A-4B illustrate a process of converting character dot vertically embodiment of the present invention;

[0016] 图5A-5B示意性地示出了根据本发明实施例的打印机的框图;以及 [0016] Figures 5A-5B schematically shows a block diagram of a printer according to an embodiment of the present invention; and

[0017] 图6示出了根据本发明实施例的无级变倍打印效果图。 [0017] FIG. 6 illustrates a zoom view of an embodiment of the printing according to the present invention.

具体实施方式 Detailed ways

[0018] 现在参考附图来说明本发明的实施例。 [0018] Referring now to the drawings will be described embodiments of the present invention.

[0019] 根据本发明实施例的无级变倍打印控制方法通过在字库中存储一套源字符点阵,对源字符点阵进行水平方向和垂直方向的任意扩展或压缩,从而实现到具有任意宽度和高度的目标字符的变换。 [0019] According to a zoom print control method according to embodiments of the invention by storing a source character dot matrix font, a source character dot in the horizontal direction and the vertical direction in any expanded or compressed, so as to achieve an arbitrary transform the width and height of the target character.

[0020] 图2示意性地示出了根据本发明实施例的无级变倍打印控制方法的流程图。 [0020] FIG. 2 schematically illustrates a flowchart of a zoom print control method according to an embodiment of the present invention. 如图2所示,该方法开始于步骤201。 2, the method begins at step 201. 在步骤202,接收指示要打印的一个或多个字符的打印指令,基于打印指令检索源字符点阵。 In step 202, a print instruction receiving an indication of one or more characters to be printed, retrieving the source character dot based on the print command. 在步骤203,对源字符点阵进行水平和/或垂直变换,以获得具有目标字符点阵宽度和高度的目标字符点阵。 In step 203, the source character lattice for horizontal and / or vertical transform, to obtain a target having a target character dot matrix character width and height. 在步骤204,基于目标字符点阵进行打印。 In step 204, based on the target character dot matrix printing. 该方法在步骤205结束。 The method ends at step 205.

[0021] 根据本发明的实施例,该无级变倍方法还可以包括比较步骤,所述比较步骤包括:如果目标字符点阵的宽度与源字符点阵相同,则仅对源字符点阵执行垂直变换;如果目标字符点阵的高度与源字符点阵相同,则仅对源字符点阵执行水平变换;以及如果目标字符点阵的宽度和高度均与源字符点阵相同,则将源字符点阵直接作为目标字符点阵。 [0021] According to an embodiment of the present invention, the stepless variator method may further comprise the step of comparing, said comparing step comprising: if the target width of the source character dot matrix characters are the same, only the implementation of the source character dot vertical transform; if the height of the target is the same as the source character dot matrix character, only the source character dot horizontal transform executed; and if the target character lattice width and height are the same as the source character dot matrix, then the source character dot matrix character dot-matrix directly as a target.

[0022] 根据本发明的实施例,在进行水平变换和垂直变换二者时,可以先进行水平变换,再进行垂直变换;也可以先进行垂直变换,再进行水平变换。 [0022] According to an embodiment of the present invention, both during the horizontal and vertical transform conversion, level conversion may be performed first, and then vertical transform; vertical transform may be performed first, then the level conversion. 如本领域公知的那样,字符点阵以数字值的形式存储,因此可以通过对其相应的数字值进行操作来实现变换。 As it is known in the art as dot matrix characters stored in the form of digital values, and therefore can be operated by their respective digital values ​​to achieve transformation.

[0023] 根据本发明实施例的水平变换包括水平压缩和水平扩展。 [0023] The level conversion embodiment of the present invention includes a horizontal compression and horizontal expansion. 当目标字符点阵的宽度小于源字符点阵的宽度时执行水平压缩,当目标字符点阵的宽度大于源字符点阵的宽度时执行水平扩展。 When performing the extended horizontal width of the target is smaller than the width of the source character dot matrix character dot horizontal compression is performed, when the target character lattice width greater than the source character dot matrix.

[0024] 图3A示意性地示出了根据本发明实施例的水平压缩原理。 [0024] Figure 3A schematically shows an embodiment of a horizontal compression principle of the present invention.

[0025] 考虑到在实际使用中,经常需要对字符进行非整数倍的水平压缩(例如将宽度为6的输入点阵压缩为宽度为4的输出点阵),而简单地从输入点阵中抽取出4列可能导致丢失列数据或者字符变得不光滑,因此,本发明通过使用逻辑列来执行水平压缩,以尽量保留字符图像的原始信息。 [0025] In consideration of practical use, often need to be a non-integer multiple of the character horizontal compression (e.g., the width of the input matrix 6 compression width of 4 dot output), simply from the input lattice extracted four columns could result in loss of data or the character becomes smooth, and therefore, the present invention is performed by using the logic levels of compression column, to try to keep the original character image information.

[0026] 如图3A所示,当把宽度为6的输入点阵压缩为宽度为4的输出点阵时,通过将输入点阵的每一列Ol〜06 (简称为输入列)映射到4个连续的逻辑列,来形成具有6*4 = 24列LI〜L24的逻辑点阵。 [0026] As shown in FIG. 3A, when the width of the input matrix 6 is compressed when an output width of 4 dot matrix, mapped to 4 by inputting a dot in each column Ol~06 (simply referred to as input column) contiguous logical columns to form a logic lattice having 6 * 4 = 24 of LI~L24.

[0027] 将输入点阵的宽度6作为一个逻辑区间的宽度,从而将每6个逻辑列划分为一个逻辑区间。 [0027] The width of the input matrix 6 as a logical width of the interval, thereby dividing each logical column 6 as a logic interval. 第一逻辑区间包括逻辑列LI〜L6,第二逻辑区间包括逻辑列L7〜L12,依此类推。 First logic section comprises a logic column LI~L6, the second interval comprises logic logical column L7~L12, and so on. 图3A中的示例一共包括4个逻辑区间,分别对应于输出点阵的每一列Tl〜T4(简称为输出列)。 Example of FIG. 3A comprises a total of four logical sections, respectively corresponding to each column of the output matrix Tl~T4 (abbreviated as output column).

[0028] 每个逻辑区间对应于一个或多个输入列。 [0028] Each logical sections corresponding to one or more input columns. 当逻辑区间与一个输入列相对应时,将该输入列的值作为相应输出列的值。 When the logical value of the input section with a relatively seasonal column, the column input as the value of the corresponding output column. 当逻辑区间与多个输入列相对应时,将多个输入列的值的或(OR)运算结果作为相应输出列的值。 When the logical value of the input section with a plurality of columns is relatively seasonal, or a (OR) a plurality of operation result value input column as respective output column. 例如,包括逻辑列LI〜L6的第一逻辑区间对应于两个输入列01和02,因此将输入列01和02的值或运算结果作为相应的输出列Tl的值。 For example, a first column logic includes logic LI~L6 interval corresponding to two input columns 01 and 02, thus the value input column 01 and 02 or the calculation result as the value of the corresponding output column of Tl. 包括逻辑列L7〜L12的第二逻辑区间对应于一个输入列03,因此将输入列03的值作为相应的输出列Τ2的值。 L7~L12 logical column comprising a second interval corresponding to a logic input column 03, the column 03 and therefore the input value as the output value corresponding Τ2 column. 包括逻辑列L13〜L18的第三逻辑区间对应于两个输入列04和05,因此将输入列04和05的值的或运算结果作为相应的输出列Τ3的值。 Third logic section comprising a logical column L13~L18 column corresponding to the two inputs 04 and 05, so the input operation result value or the columns 04 and 05 as the value of the corresponding output column Τ3. 包括逻辑列L19〜L24的第四逻辑区间对应于一个输入列06,因此将输入列06的值作为相应的输出列Τ4的值。 Fourth column logic includes logic L19~L24 interval corresponding to one input column 06, the column 06 and therefore the input value as the value of the corresponding output column Τ4. 针对每个逻辑区间进行上述操作,以获得宽度为4的输出点阵。 The above operations for each logical range to obtain an output width of 4 dot.

[0029] 图3Β示意性地示出了根据本发明实施例的水平扩展原理。 [0029] FIG 3Β schematically shows a horizontal extension of the principles of the embodiments of the present invention.

[0030] 如图3Β所示,当把宽度为4的输入点阵扩展为宽度为6的输出点阵时,通过将输入点阵的每一列01〜04 (简称为输入列)映射到6个连续的逻辑列,来形成具有4*6 = 24列LI〜L24的逻辑点阵。 As shown in FIG 3Β [0030], when the width of the input matrix is ​​expanded to a width of 4 output matrix 6 through each of the columns of the input matrix 01~04 (simply referred to as an input column) maps to 6 contiguous logical columns to form a logic matrix having 4 * 6 = 24 of LI~L24.

[0031] 将输入点阵的宽度4作为一个逻辑区间的宽度,从而将每4个逻辑列划分为一个逻辑区间。 [0031] The width of the input matrix 4 as a logical width interval, thereby dividing each of the four logical columns as a logic interval. 第一逻辑区间包括逻辑列LI〜L4,第二逻辑区间包括逻辑列L5〜L8,依此类推。 First logic section comprises a logic column LI~L4, the second interval comprises logic logical column L5~L8, and so on. 图3Β中的示例一共包括6个逻辑区间,分别对应于输出点阵的每一列Tl〜Τ6(简称为输出列)。 FIG 3Β example of a logic section including a total of six, each corresponding to each column of the output matrix Tl~Τ6 (abbreviated as output column).

[0032] 每个逻辑区间对应于一个输入列或不对应于任何输入列。 [0032] Each logical input section corresponds to a column or row corresponding to any input. 当逻辑区间与一个输入列相对应时,将该输入列的值作为相应输出列的值。 When the logical value of the input section with a relatively seasonal column, the column input as the value of the corresponding output column. 当逻辑区间不对应于任何输入列时,将与该逻辑区间最接近的、并且具有对应的输入列的在前逻辑区间所对应的输入列的作为相应输出列的值。 When the logical address range does not correspond to the input column, the closest to the logical section, and has a first logic value corresponding to the section corresponding to the input column input column as respective output column. 例如,包括逻辑列LI〜L4的第一逻辑区间对应于输入列01,因此将输入列01的值作为相应的输出列Tl的值。 For example, a first column logic includes logic LI~L4 interval corresponding to the input column 01, the column 01 and therefore the input value as the value of the corresponding output column of Tl. 包括逻辑列L5〜L8的第二逻辑区间对应于输入列02,因此将输入列02的值作为相应的输出列Τ2的值。 A second logic section comprising a logical column L5~L8 corresponding to the input column 02, the column 02 and therefore the input value as the value of the corresponding output column Τ2. 包括逻辑列L9〜L12的第三逻辑区间不对应于任何输入列,因此将第二逻辑区间所对应的输入列02的值作为相应的输出列Τ3的值。 Third logic section comprising a logical column L9~L12 does not correspond to any input row, so the second segment of the logic value corresponding to the input column 02 as the value of the corresponding output column Τ3. 包括逻辑列L13〜L16的第四逻辑区间对应于输入列03,因此将输入列03的值作为相应的输出列Τ4的值。 Fourth column logic includes logic L13~L16 interval corresponding to the input column 03, the column 03 and therefore the input value as the output value corresponding Τ4 column. 包括逻辑列L17〜L20的第五逻辑区间对应于输入列04,因此将输入列04的值作为相应的输出列Τ5的值。 L17~L20 logical column comprising a fifth logic section corresponding to the input column 04, the column 04 and therefore the input value as the value of the corresponding output column Τ5. 包括逻辑列L21〜L24的第六逻辑区间不对应于任何输入列,因此将第五逻辑区间所对应的输入列04的值作为相应的输出列Τ6的值。 Sixth column logic includes logic section L21~L24 does not correspond to any input row, the fifth logic thus corresponding to an interval input column 04 as a value corresponding to the output value Τ6 column. 针对每个逻辑区间进行上述操作,以获得宽度为6的输出点阵。 The above operations for each logical range to obtain a width of the output matrix 6.

[0033] 图3C示出了根据本发明实施例的水平变换方法的流程图,其中,输入点阵的宽度是NO,输出点阵的宽度是NI。 [0033] FIG. 3C illustrates a flowchart of a method of the horizontal transform according to an embodiment of the present invention, wherein the width is the width of the input matrix NO, the dot output is NI. 该方法开始于步骤301。 The method begins at step 301. 在步骤302,将输入点阵的每一输入列映射到NI个连续的逻辑列。 In step 302, the input of each input dot columns are mapped to consecutive logical column NI. 在步骤303,将每NO个逻辑列划分为一个逻辑区间,每个逻辑区间对应于输出点阵中的一个输出列。 In step 303, each logical column NO divided into one logical sections, each section corresponds to a logical output column of the output matrix. 在步骤304,针对每个逻辑区间,基于所述映射获得与该逻辑区间对应的输出列的值。 In step 304, for each logical range, the obtained value of the output corresponding to the column interval based on the mapping logic.

[0034] 在步骤304中,具体地,对于水平压缩变换,当逻辑区间对应于一个输入列时,将该输入列的值作为相应输出列的值。 [0034] In Step 304, specifically, the horizontal compression transformation, when the logic input interval corresponding to a column, the column value of the input value as the output of the corresponding column. 当逻辑区间对应于多个输入列时,将多个输入列的值的或(OR)运算结果作为输出列的值。 When the logical address range corresponding to a plurality of input columns, or a (OR) a plurality of operation result value is output as the value input column column. 对于水平扩展变换,当逻辑区间对应于一个输入列时,将该输入列的值作为相应输出列的值。 For horizontal extension transform, when the logic input interval corresponding to a column, the column input value as the value of the corresponding output column. 当逻辑区间不对应于任何输入列时,将与该逻辑区间最接近的、并且具有对应的输入列的在前逻辑区间所对应的输入列的值作为相应输出列的值。 When the logical address range does not correspond to the input column, the closest to the logical section, and has a first logic value of the input section of the column corresponding to the column input as a value corresponding to the corresponding output column.

[0035] 该方法在步骤305结束。 [0035] The method ends at step 305.

[0036] 接下来,参考图4A,以对输入点阵进行垂直扩展变换为例描述根据本发明实施例的垂直变换的原理。 [0036] Next, with reference to Figure 4A, the input lattice to extend vertically perpendicular to transform an example to describe the principles of the present embodiment of the invention conversion.

[0037] 由于字符点阵是以一维列数据格式存储的,所以如果直接进行垂直变换,则必须进行位操作,其无论在程序控制开销上还是运行时间上都远大于水平变换。 [0037] Since the character dot row are stored in one-dimensional data format, if it is directly vertical transform, it must bit operations, which both in the control program run time overhead or horizontal transform are much larger. 考虑到字符点阵具有离散的几何特征,而经过旋转后的字符点阵的几何特征能够完好保存,因此,为节省程序的运行时间及提高打印效率,根据本发明的实施例将垂直变换转化为水平变换进行处理,全程分三个步骤。 Considering the character lattice having a discrete geometric features, and geometrical features after the character matrix after rotation can be preserved, and therefore, in order to save the program and run-time to improve printing efficiency, according to an embodiment of the present invention will be converted into vertical level conversion processing, the entire three-step process. 如图4A所示,首先对输入点阵作90度的旋转变换,得到宽度等于源字符点阵高度的点阵。 4A, the first 90 degrees of rotational transformation on an input lattice, with a width equal to the height of the source character dot matrix. 然后对该点阵水平扩展变换,以得到宽度等于目标字符高度的点阵。 Then the horizontal extension transform matrix to obtain a certain width equal to the height of the dot matrix character. 最后,把变换后的点阵再逆向旋转90度就得到输出点阵。 Finally, the reverse dot converted again rotated 90 degrees to obtain an output lattice. 本领域技术人员可以理解,对输入点阵的90度旋转变换可以是顺时针旋转90度,也可以是逆时针旋转90度。 Those skilled in the art will appreciate, the input 90-degree rotation transformation matrix can be rotated 90 degrees clockwise, or may be rotated 90 degrees counterclockwise. 图4A示出了顺时针旋转90度的情况。 FIG 4A shows a case of clockwise rotation of 90 degrees.

[0038] 对输入点阵进行垂直压缩变换的方法与垂直扩展变换类似,即首先对输入点阵作90度的旋转变换,得到宽度等于源字符点阵高度的点阵。 Method [0038] lattice input vertically compressed and converted to the vertical extension transform similar, i.e. firstly the input rotational transformation matrix 90 degrees, with a width equal to the height of the source character dot matrix. 然后对该点阵水平压缩变换,以得到宽度等于目标字符高度的点阵。 Converting the dot level is then compressed to afford a width equal to the height of the dot of the target characters. 最后,把变换后的点阵再逆向旋转90度,得到输出点阵。 Finally, the reverse dot converted again rotated 90 degrees, to obtain an output lattice.

[0039] 图4B示出了根据本发明实施例的垂直变换方法的流程图。 [0039] FIG. 4B shows a flowchart of a method of the vertical transform according to embodiments of the present invention. 该方法开始于步骤401。 The method begins at step 401. 在步骤402,将输入点阵旋转90度。 In step 402, the input lattice rotated by 90 degrees. 在步骤403,对旋转90度的输入点阵进行水平扩展或压缩。 In step 403, the input rotation of 90 degrees horizontally expanded or compressed lattice. 在步骤404,将在步骤403水平扩展或压缩所得的点阵逆向旋转90度,以得到输出点阵。 At step 404, at step 403 will expand or compress the resulting horizontal dot counter-rotating 90 degrees to obtain an output lattice. 该方法在步骤405结束。 The method ends at step 405.

[0040] 根据本发明的实施例,可以先对源字符点阵进行水平变换,然后对水平变换的输出点阵进行垂直变换,从而获得目标字符点阵。 [0040] According to an embodiment of the present invention, first the source character dot horizontal transform, and then outputs the dot horizontal transform vertically transform, thus obtaining the desired character matrix. 或者,也可以先对源字符点阵进行垂直变换,然后对垂直变换的输出点阵进行水平变换,从而获得目标字符点阵。 Alternatively, the source may be first converted character dot vertically, then the output of the vertical transform lattice horizontal transform, thus obtaining the desired character matrix.

[0041] 图5A示出了根据本发明实施例的打印机500的框图。 [0041] FIG. 5A illustrates a block diagram of the printer 500 according to an embodiment of the present invention.

[0042] 如图5A所示,打印机500包括:字库51,用于存储源字符点阵;字符检索单元52,用于根据打印指令从字库检索一个或多个源字符点阵;无级变倍打印控制装置54,用于根据目标字符点阵的宽度和高度,基于源字符点阵得到具有目标字符点阵的宽度和高度的目标字符点阵;以及打印成像实现单元53,用于基于目标字符点阵进行打印。 [0042] As shown, the printer 500 5A comprising: a font 51, for storing the source character dot matrix; character retrieval unit 52 for retrieving one or more fonts from a source character dot according to a printing command; stepless variator print control means 54, according to the width and height of the target character dot matrix, dot matrix character based on the source to give the width and height of a target character having a target character dot lattice; and a print image forming unit 53 is implemented, based on the target character dot matrix printing.

[0043] 无级变倍打印控制装置54包括:水平变换单元541,用于对字符点阵进行包括水平扩展和水平压缩的水平变换;垂直变换单元542,用于对字符点阵进行包括垂直扩展和垂直压缩的垂直变换。 [0043] a zoom print control device 54 comprising: a horizontal transform unit 541, a character comprises a horizontal lattice for horizontal expansion and compression of the horizontal transform; vertical transform unit 542, a dot matrix character for vertical expansion comprising vertical transform and a vertical compression. 水平变换单元541的输入端接收源字符点阵,其输出端连接到垂直变换单元542的输入端,垂直变换单元输出目标字符点阵。 Input level conversion unit 541 receives a source character dot matrix, whose output is connected to an input of the vertical transform unit 542, the conversion unit outputs the target vertical character dot matrix.

[0044] 水平变换单元的水平变换操作和垂直变换单元的垂直变换操作如上文参考图3A-4B所述,这里为了简明起见不再重复。 [0044] The vertical conversion operation and a horizontal conversion operation unit vertical transform unit horizontal transform described above with reference to FIGS 3A-4B, is not repeated here for brevity.

[0045] 根据本发明实施例,无级变倍打印控制装置54还可以包括比较单元543,用于对目标字符点阵的宽度和高度与源字符点阵的宽度和高度进行比较,其中:如果目标字符点阵的宽度与源字符点阵相同,则控制水平变换单元541不进行水平变换,从而垂直变换单元542对源字符点阵执行垂直变换;如果目标字符点阵的高度与源字符点阵相同,则控制垂直变换单元542不进行垂直变换,从而仅对源字符点阵执行水平变换;以及如果目标字符点阵的宽度和高度均与源字符点阵相同,则控制水平变换单元541和垂直变换单元542均不执行变换,从而将源字符点阵直接作为目标字符点阵输出。 [0045] According to an embodiment of the present invention, a zoom print control device 54 may further include a comparison unit 543, a character width and height of the target dot width and height of the source character lattice comparing, wherein: if the width of the same target and the source character dot matrix character, the control unit 541 does not perform level conversion horizontal transform to the vertical transform unit 542 performs the source character dot vertical transform; if the target height of the source character dot matrix character same, the control unit 542 does not perform vertical transform vertical transform to only the source character dot horizontal transform executed; and if the target character lattice width and height are the same as the source character dot, the control unit 541 and the vertical horizontal transform conversion unit 542 do not perform conversion, so that the source character dot matrix character is directly outputted as a target.

[0046] 图5B示出了根据本发明实施例的打印机500'的框图。 [0046] FIG 5B shows a block diagram of the printer 500 'according to embodiments of the present invention.

[0047] 如图5B所示,打印机500'包括:字库51,用于存储源字符点阵;字符检索单元52,用于根据打印指令从字库检索一个或多个源字符点阵;无级变倍打印控制装置54,用于根据目标字符点阵的宽度和高度,基于源字符点阵得到具有目标字符点阵的宽度和高度的目标字符点阵;以及打印成像实现单元53,用于基于目标字符点阵进行打印。 [0047] shown in Figure 5B, the printer 500 'comprising: a font 51, for storing the source character dot matrix; character retrieval unit 52 for retrieving one or more fonts from a source character dot according to a printing command; continuously variable print control means 54 times, depending on the width and height of the target for dot matrix character, the character lattice obtained based on the source of the target width and height of a target character having a character dot lattice; and a print image forming unit 53 is implemented, based on the target character dot matrix printing.

[0048] 无级变倍打印控制装置54包括:水平变换单元541,用于对字符点阵进行包括水平扩展和水平压缩的水平变换;垂直变换单元542,用于对字符点阵进行包括垂直扩展和垂直压缩的垂直变换。 [0048] a zoom print control device 54 comprising: a horizontal transform unit 541, a character comprises a horizontal lattice for horizontal expansion and compression of the horizontal transform; vertical transform unit 542, a dot matrix character for vertical expansion comprising vertical transform and a vertical compression. 垂直变换单元542的输入端接收源字符点阵,其输出端连接到水平变换单元541的输入端,水平变换单元541输出目标字符点阵。 Vertical transform unit 542 receives the input of the source character dot matrix, whose output is connected to an input of the level converting unit 541, the conversion unit 541 outputs the target level of the character matrix.

[0049] 水平变换单元的水平变换操作和垂直变换单元的垂直变换操作如上文参考图3A-4B所述,这里为了简明起见不再重复。 [0049] The vertical conversion operation and a horizontal conversion operation unit vertical transform unit horizontal transform described above with reference to FIGS 3A-4B, is not repeated here for brevity.

[0050] 根据本发明实施例,无级变倍打印控制装置54还可以包括比较单元543,用于对目标字符点阵的宽度和高度与源字符点阵的宽度和高度进行比较,其中:如果目标字符点阵的高度与源字符点阵相同,则控制垂直变换单元542不进行垂直变换,从而水平变换单元541对源字符点阵执行水平变换;如果目标字符点阵的宽度与源字符点阵相同,则控制水平变换单元541不进行水平变换,从而仅对源字符点阵执行垂直变换;以及如果目标字符点阵的宽度和高度均与源字符点阵相同,则控制水平变换单元541和垂直变换单元542均不执行变换,从而将源字符点阵直接作为目标字符点阵输出。 [0050] According to an embodiment of the present invention, a zoom print control device 54 may further include a comparison unit 543, a character width and height of the target dot width and height of the source character lattice comparing, wherein: if target character dot matrix character height and the same source, the control unit 542 does not perform vertical transform vertical transform to the horizontal transform unit 541 performs the source character dot horizontal transform; if the target width of the source character dot matrix character the same level of conversion, the control unit 541 does not perform level conversion, so that only the source character dot vertical transform executed; and if the target character lattice width and height are the same as the source character dot, the control unit 541 and the vertical horizontal transform conversion unit 542 do not perform conversion, so that the source character dot matrix character is directly outputted as a target.

[0051] 利用本发明的无级变倍打印控制方法和装置,由于仅需要存储一套源字符点阵,可以节省打印机存储器空间。 [0051] Printing using a zoom control method and apparatus of the present invention, since only necessary to store a source character dot matrix printer can save memory space. 例如,对于常用的大小为24*24的源字符点阵,只需要约IMB左右的字库容量。 For example, commonly used for the source character dot matrix size is 24 * 24, only about about IMB character capacity. 另外,利用本发明的无级变倍打印控制方法和装置能够实现在水平方向和垂直方向上的任意扩展或压缩,可适应在指定大小的区域内输出指定的字符。 Further, a zoom print control method and apparatus using the present invention can be implemented in the horizontal direction and the vertical direction of any extension or compression, can be adapted to the size of the area designated in the designated character output. 例如,对于常用的大小为24*24的原始字符点阵,通过对源字符点阵进行变换,可以实现大小为8*8〜96*96范围内的任意点阵字符的变换。 For example, commonly used for the original character size 24 * 24 dot matrix, and by transforming the source character dot, an arbitrary conversion can be implemented as a dot matrix character size in the range of 96 * 8 * 8~96. 经过无级变倍的字符没有信息丢失,能很好地识别。 After a zoom of the character no information is lost, well recognized. 利用本发明的无级变倍打印控制方法和装置实现的字符无级变倍的效果如图6所示。 Effect character stepless zooming a zoom print control method and apparatus of the present invention is implemented using the Figure 6.

[0052] 根据本发明的无级变倍打印控制方法和装置可以应用于针式打印机,也可以应用于其他任何利用字库进行打印的打印设备。 [0052] The dot matrix printer may be applied to a zoom print control method and apparatus according to the invention may be applied to any other printing apparatus using the printing font.

[0053] 以上参考具体实施例描述了本发明的原理。 [0053] The embodiments described above with reference to particular embodiments of the principles of the invention. 本领域技术人员应当理解,在不背离根据所附权利要求表述的本发明范围的前提下,本领域技术人员可以对本发明的具体实现方式进行各种改变。 It should be understood by those skilled in the art, without departing from the appended claims scope of the invention expressed premise skilled in the art that various changes may be made specific implementation of the present invention.

[0054] 应当理解,不需要以所述的顺序来执行这里所提出的示例方法的步骤,并且这样的方法的步骤的顺序应当理解为仅是示例性的。 [0054] It should be understood, it does not need to be performed in the order of the steps of the exemplary methods set forth herein, and the order of the steps of such methods should be understood to be merely exemplary. 同样,附加的步骤可以包括在这样的方法中,并且根据本发明的各个实施例,在方法中可以省略或组合特定步骤。 Likewise, additional steps may be included in such methods, and according to various embodiments of the present invention, in the method certain steps may be omitted or combined. 本发明的装置可以以软件、硬件或软硬件组合的方式实现,所有这些方式都包括在由所附权利要求限定的本发明的保护范围之内。 Apparatus of the present invention may be implemented in a manner of software, hardware or a combination of hardware implementation, all of which are included within the scope of the invention defined by the appended claims.

Claims (17)

  1. 1.一种用于打印机的无级变倍打印控制方法,包括: 检索步骤,用于根据打印指令从字库中检索源字符点阵; 目标点阵生成步骤,用于根据目标字符点阵的宽度和高度对源字符点阵进行水平变换和/或垂直变换,以得到具有目标字符点阵的宽度和高度的目标字符点阵;以及打印步骤,用于基于目标字符点阵进行打印。 A zoom print control method for a printer, comprising: a retrieving step of retrieving from the font according to the print instruction source character dot; target lattice generating step, the target width for a character dot and the height of the source character dot horizontal transform and / or vertical transform, to obtain the width and height of a target character having a target character dot matrix; and a printing step for printing based on the target dot matrix characters.
  2. 2.根据权利要求1所述的方法,其中水平变换包括水平扩展和水平压缩,垂直变换包括垂直扩展和垂直压缩。 2. The method according to claim 1, wherein the horizontal transform includes a horizontal extension and horizontal compression, comprising a vertical transform and a vertical extension vertically compressed.
  3. 3.根据权利要求1所述的方法,其中目标点阵生成步骤还包括比较步骤,所述比较步骤包括: 如果目标字符点阵的宽度与源字符点阵相同,则仅对源字符点阵执行垂直变换; 如果目标字符点阵的高度与源字符点阵相同,则仅对源字符点阵执行水平变换;以及如果目标字符点阵的宽度和高度均与源字符点阵相同,则将源字符点阵直接作为目标字符点阵。 3. The method according to claim 1, wherein the target further comprises the step of comparing the dot generating step, said comparing step comprising: if the target width of the source character dot matrix characters are the same, only the implementation of the source character dot vertical transform; if the height of the target is the same as the source character dot matrix character, only the source character dot horizontal transform executed; and if the target character lattice width and height are the same as the source character dot matrix, then the source character dot matrix character dot-matrix directly as a target.
  4. 4.根据权利要求1所述的方法,其中在对源字符点阵执行水平变换和垂直变换时,先对源字符点阵执行水平变换,然后对水平变换所得的点阵执行垂直变换。 4. The method according to claim 1, wherein when changing the implementation of the horizontal and vertical transform source character dot matrix, prior to performing the level conversion source character dot matrix, then perform vertical transform of the resulting dot horizontal transform.
  5. 5.根据权利要求1所述的方法,其中在对源字符点阵执行水平变换和垂直变换时,先对源字符点阵执行垂直变换;然后对垂直变换所得的点阵执行水平变换。 5. The method according to claim 1, wherein when changing the implementation of the horizontal and vertical transform source character dot matrix, perform the source character dot vertical transform; then performed on the resulting transform vertical horizontal lattice transformation.
  6. 6.根据权利要求1所述的方法,其中垂直变换包括: 将需要进行垂直变换的点阵旋转90度; 对旋转所得的点阵执行水平变换;以及将水平变换所得的点阵逆向旋转90度。 6. The method according to claim 1, wherein the vertical transform comprises: the required vertical transform lattice rotated by 90 degrees; performed on the resulting level of rotational transformation matrix; and the resulting dot horizontal transform reverse rotation of 90 degrees .
  7. 7.根据权利要求1所述的方法,其中水平变换用于将宽度为NO的待变换的输入点阵变换为宽度为NI的变换后的输出点阵,包括: 将输入点阵的每个输入列映射到NI个连续的逻辑列; 将每NO个逻辑列划分为一个逻辑区间,每个逻辑区间对应于输出点阵中的一个输出列; 针对每个逻辑区间,基于所述映射获得该逻辑区间的相应输出列的值,从而得到输出点阵。 7. The method according to claim 1, wherein the input horizontal transform matrix for converting the width of NO to be converted to a dot width of the output conversion NI, comprising: each input lattice NI columns are mapped to consecutive logical column; NO each logical column is divided into a logical intervals, each interval corresponding to the output logic one output column matrix; for each logical section, which is obtained based on the mapping logic values ​​of the respective output column section, whereby an output lattice.
  8. 8.根据权利要求7所述的方法,其中针对每个逻辑区间,基于所述映射获得该逻辑区间的相应输出列的值包括: 对于水平压缩,当逻辑区间对应于一个输入列时,将该输入列的值作为相应输出列的值,当逻辑区间对应于多个输入列时,将所述多个输入列的值的或运算结果作为输出列的值; 对于水平扩展,当逻辑区间对应于一个输入列时,将该输入列的值作为相应输出列的值,当逻辑区间不对应于任何输入列时,将与该逻辑区间最接近的、并且具有对应的输入列的在前逻辑区间所对应的输入列的值作为相应输出列的值。 8. The method according to claim 7, wherein for each logical range to obtain the values ​​of the respective output column interval based on the mapping logic comprises: for horizontal compression, when the logic input interval corresponding to a column, the as the value of the input value column corresponding output column, when a plurality of logical sections corresponding input columns, the columns of the plurality of input values ​​or operation result as an output value of a column; for horizontal expansion, when the interval corresponding to logic when an input column, and the value of the input value of the respective output column as a column, when the interval does not correspond to any logic input row, closest to the logic section, and having an input corresponding to the front row of the logic section column corresponding to the input value as the value of the corresponding output column.
  9. 9.一种用于打印机的无级变倍打印控制装置,用于根据目标字符点阵的宽度和高度对源字符点阵进行水平变换和/或垂直变换,以得到具有目标字符点阵的宽度和高度的目标字符点阵,包括: 水平变换单元,用于根据目标字符点阵的宽度,对输入该水平变换单元的点阵进行水平变换;和垂直变换单元,用于根据目标字符点阵的高度,对输入该垂直变换单元的点阵进行垂直变换,其中垂直变换单元的输入端接收来自水平变换单元的输出,或者水平变换单元的输入端接收来自垂直变换单元的输出。 A stepless variator print control apparatus for a printer, for converting the horizontal and / or vertical transform according to the target width and height of character lattice source character dot pair having a target character to obtain a lattice width and the height of the target character dot matrix, comprising: level converting means according to the character width of the target lattice, the lattice of the input level conversion unit performs horizontal transform; and vertical transform unit for the target character dot matrix the height of the vertical transform matrix input means vertically transform, wherein the input terminal of the vertical transform means receives the output from the level converting unit or the input of the level converting means receives the output from the vertical transformation unit.
  10. 10.根据权利要求9所述的装置,其中水平变换包括水平扩展和水平压缩,垂直变换包括垂直扩展和垂直压缩。 10. The apparatus according to claim 9, wherein the extension includes a horizontal horizontal transform and horizontal compression, comprising a vertical transform and a vertical extension vertically compressed.
  11. 11.根据权利要求9所述的装置,还包括: 比较单元,用于对目标字符点阵的宽度和高度与源字符点阵的宽度和高度进行比较,其中: 如果目标字符点阵的宽度与源字符点阵相同,则控制仅对源字符点阵执行垂直变换; 如果目标字符点阵的高度与源字符点阵相同,则控制仅对源字符点阵执行水平变换;以及如果目标字符点阵的宽度和高度均与源字符点阵相同,则控制将源字符点阵直接作为目标字符点阵。 11. The apparatus according to claim 9, further comprising: a comparison unit for the width and height of the target character lattice width and height of the source character lattice comparing, wherein: if the width of the target character dot the same source character dot matrix character dot source control only performs a vertical transform; if the height is the same as the target source character dot matrix character, only the control source character dot horizontal transform executed; and if the target character dot width and height are the same as the source character dot-matrix, the control directly the source character dot matrix character as a target.
  12. 12.根据权利要求9所述的装置,其中: 垂直变换单元的输入端接收来自水平变换单元的输出,水平变换单元的输入端接收源字符点阵。 12. The apparatus according to claim 9, wherein: the vertical input terminal receives the output from the conversion unit horizontal transform unit, an input end of the horizontal transformation unit receives a source character dot matrix.
  13. 13.根据权利要求9所述的装置,其中: 水平变换单元的输入端接收来自垂直变换单元的输出,垂直变换单元的输入端接收源字符点阵。 13. The apparatus according to claim 9, wherein: the input terminal of the level converting means receives the output from the vertical conversion means, the input of the vertical transform unit receives a source character dot matrix.
  14. 14.根据权利要求9所述的装置,其中垂直变换单元用于: 将输入该垂直变换单元的点阵旋转90度; 对旋转所得的点阵执行水平变换;以及将水平变换所得的点阵逆向旋转90度并输出。 14. The apparatus according to claim 9, wherein the means for transforming the vertical: the input conversion unit of the vertical lattice rotated by 90 degrees; performed on the resulting matrix of horizontal rotation transformation; and inverse horizontal transform matrix obtained rotated by 90 degrees and outputs.
  15. 15.根据权利要求9所述的装置,其中水平变换单元用于将宽度为NO的待变换的输入点阵变换为宽度为NI的变换后的输出点阵,包括: 将输入点阵的每个输入列映射到NI个连续的逻辑列; 将每NO个逻辑列划分为一个逻辑区间,每个逻辑区间对应于输出点阵中的一个输出列; 针对每个逻辑区间,基于所述映射获得该逻辑区间的相应输出列的值,从而得到输出点阵。 15. The apparatus according to claim 9, wherein the transformation unit for inputting the horizontal width of the dot converting NO to be converted to a dot width of the output NI converted, comprising: an input for each lattice NI input columns are mapped to consecutive logical column; NO each logical column is divided into a logical intervals, each interval corresponding to the output logic one output column matrix; for each logical section, which is obtained based on the mapping values ​​of the respective output column of the logical address range to obtain an output lattice.
  16. 16.根据权利要求15所述的装置,其中针对每个逻辑区间,基于所述映射获得该逻辑区间的相应输出列的值包括: 对于水平压缩变换,当逻辑区间对应于一个输入列时,将该输入列的值作为相应输出列的值,当逻辑区间对应于多个输入列时,将所述多个输入列的值的或运算结果作为输出列的值; 对于水平扩展变换,当逻辑区间对应于一个输入列时,将该输入列的值作为相应输出列的值,当逻辑区间不对应于任何输入列时,将与该逻辑区间最接近的、并且具有对应的输入列的在前逻辑区间所对应的输入列的值作为相应输出列的值。 16. The apparatus according to claim 15, wherein for each logical range to obtain values ​​of the respective output column of the logical address range based on the mapping comprises: converting the horizontal compression, when the logic input interval corresponding to a column, the the value entered as the value of the respective column output column, when a plurality of logical sections corresponding input columns, the columns of the plurality of input values ​​or operation result as an output value of a column; for horizontal extension transform, when the logic section when an input corresponding to a column, the value of the input value of the respective output column as a column, when the interval does not correspond to any logic input row, closest to the logic section, and having a corresponding first logic input columns value input column as a value corresponding to an interval corresponding output column.
  17. 17.一种打印机,包括根据权利要求9-16中任意一项所述的无级变倍打印控制装置,所述打印机还包括: 字库,用于存储源字符点阵; 字符检索单元,用于根据打印指令从字库检索一个或多个源字符点阵;和打印成像实现单元,用于基于目标字符点阵进行打印。 17. A printer comprising the print according to a zoom control apparatus according to any one of 9-16 claims, said printer further comprising: a font, for storing the source character dot; character search means, for The print instruction retrieved from a plurality of sources or font character lattice; imaging of the printing unit and, based on the target for printing dot matrix characters.
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