CN101192212A - System and method for implementing font with frame on terminal - Google Patents
System and method for implementing font with frame on terminal Download PDFInfo
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Abstract
A system and a method realizing framed font on a terminal includes the following steps: font conversion is completed by means of a font conversion module, i.e. a font is read at first to complete decoding; vector font is converted into lattice font, while non-vector font is converted into a standardized bitmap; moreover, the standardized bitmap obtained through decoding is stored as a quick compression lattice font file; then, lattice matrix transformation is realized through a word stock engine control module, a font information extraction module, a font carving frame core module and a font presentation module; finally, frame depiction is finished. The invention solves the problem that the prior conference TV and set-top box terminal equipment do not provide the display of framed font.
Description
Technical field
The present invention relates to the font display technique, relate in particular to a kind of System and method for of on terminal, realizing band edge frame font.
Background technology
Terminal devices such as existing video conferencing, set-top box do not provide the display packing of the literal that shows the band edge frame, and people see on display device has only the not common language of band edge frame.Realize the display effect of band edge frame, must on existing font basis, carry out complex calculations, just can show then.
Summary of the invention
In view of the above problems, the objective of the invention is to provide a kind of System and method for of on terminal, realizing the font of band edge frame, make the demonstration that can realize band edge frame font on the terminal device of existing video conferencing, set-top box etc.
The described system that realizes band edge frame font on terminal comprises the font modular converter, the character library engine control module, and the font information extraction module, font engraving frame module and font present module; Above-mentioned font modular converter carries out the font conversion, generates the bitmap of font specificationization; Above-mentioned character library engine control module obtains the dot array data in the font specification bitmap; Above-mentioned font information extraction module extracts the font specification dot array data; Fast Compression raster font file is decoded; adopt quick Hash buffering to extract the standardization bitmap of the font that will portray the border as required according to the unicode encoded radio of literal correspondence; above-mentioned character library engine control module is controlled above-mentioned font engraving frame module and is carried out matrixing, and above-mentioned font presents the font that module presents the band edge frame.
Above-mentioned font modular converter comprises the vector font library modular converter, non-vector font library conversion adaptation module, and wherein above-mentioned vector font library modular converter is decoded to the vector font library file, obtains normalized bitmap; Above-mentioned non-vector font library conversion adaptation module is decoded to non-vector font library file, obtains normalized bitmap; Above-mentioned font modular converter saves as Fast Compression raster font file with above-mentioned normalized bitmap.
Above-mentioned non-vector font library conversion adaptation module comprises n specific character library decoding modular converter.
Above-mentioned font presents module the different value of each point of above-mentioned matrix is converted to different pixel values, and refreshes corresponding zone.
In addition, the invention allows for a kind of method that on terminal, realizes band edge frame font, may further comprise the steps:
Step 1: a kind of as above-mentioned system that realizes band edge frame font on terminal is provided;
Step 2: font conversion: read font file, decode; For vector fonts, be converted to raster font earlier, be converted to normalized bitmap again; For non-vector fonts, decode according to its coded format earlier, be converted to normalized bitmap again, the normalized bitmap that decoding obtains, save as Fast Compression raster font file;
Step 3: lattice matrix conversion, portrayal frame: by the font information extraction module, above-mentioned Fast Compression raster font file is decoded, adopt quick Hash buffering, extract the standardization bitmap of the font that will portray the border as required according to the unicode encoded radio of above-mentioned literal correspondence, carry out matrixing by font engraving frame module;
Step 4: the frame font presents: present resume module frame font matrix by font.
Font transfer process described in the above-mentioned steps 2 is as follows:
The first step: select source word phantom block file;
Second step: judge whether to be vector fonts; If vector fonts entered for the 3rd step; If not vector fonts, then skipped for the 3rd step to the 6th step, directly began for the 7th step;
The 3rd step: call vector engine and decode;
The 4th step: judge whether decoding is successful; If success entered for the 5th step; If unsuccessful, then failure is withdrawed from;
The 5th step: according to the size of specified file, literal code, the formed word module information of stage extraction correspondence;
The 6th step: the profile information rasterisation of above-mentioned type matrix; Entered for the tenth step then;
The 7th step: call specific character library decoding modular converter according to coded format;
The 8th step: use above-mentioned specific character library decoding modular converter to decode;
The 9th step: judge whether decoding is successful; If success entered for the tenth step; If unsuccessful, then failure is withdrawed from;
The tenth step: source bitmap-converted standardization bitmap;
The 11 step: a calculation document statistical information;
The 12 step: write the font file head;
The 13 step: write the font file content;
The 14 step: successfully return.
The preservation form of the Fast Compression raster font file described in the above-mentioned steps 1 is as follows:
File header
The font version
Font size
Font line-spacing etc.
The file header size
Unicode encoded segment number
Initial, the termination of segmentation is in the skew of file
File content
Segmentation: overhead skew array, the empty skew in left side array, wide high array, standardization message bit pattern array.
Font engraving frame module described in the above-mentioned steps 2 is carried out matrixing and be may further comprise the steps:
(1) the standardization bitmap, expand earlier, step-by-step is arranged, and is transformed to by byte align, is called the byte bitmap matrix;
(2) the byte bitmap matrix is inserted overhead skew byte, promptly carry out matrix and move down;
(3) the byte bitmap matrix is inserted the empty skew in left side byte, promptly carry out matrix and move to right, through forming mother matrix with up conversion;
(4) engraving left side frame: duplicating mother matrix is submatrix 1, and the move to left side-play amount of appointment of submatrix 1 integral body, this side-play amount has determined the thickness of left frame;
(5) carve upper left frame: duplicating mother matrix is submatrix 2, and the side-play amount of moving appointment on submatrix 2 integral left, this side-play amount has determined the thickness of upper left frame;
(6) engraving lower-left frame: duplicating mother matrix is submatrix 3, and submatrix 3 integral left are moved down the side-play amount of appointment, and this side-play amount has determined the thickness of lower-left frame;
(7) engraving the right frame: duplicating mother matrix is submatrix 5, and the move to left side-play amount of appointment of submatrix 5 integral body, this side-play amount has determined the thickness of left frame;
(8) carve upper right frame: duplicating mother matrix is submatrix 6, and the side-play amount of moving appointment on submatrix 6 integral left, this side-play amount has determined the thickness of upper left frame;
(9) engraving bottom right frame: duplicating mother matrix is submatrix 7, and submatrix 7 integral left are moved down the side-play amount of appointment, and this side-play amount has determined the thickness of lower-left frame;
(10) engraving upper side frame: duplicating mother matrix is submatrix 4, and submatrix 4 is moved the side-play amount of appointment on the whole, and this side-play amount has determined the thickness of upper side frame;
(11) engraving lower frame: duplicating mother matrix is submatrix 8, and submatrix 8 integral body are moved down the side-play amount of appointment, and this side-play amount has determined the thickness of lower frame;
(12) merge mother matrix and submatrix, merge rule and adopt exclusive disjunction, obtain matrix and be called frame font matrix.
Present resume module frame font matrix by font described in the above-mentioned steps 4, if result equals 1 then be converted to the color of font, if result be 2 then be converted to the color of font frame, otherwise be background colour.
The apparatus and method that realize the font of band edge frame on terminal that the present invention proposes, the terminal device that has solved existing video conferencing, set-top box etc. does not provide the problem of the demonstration of the font that shows the band edge frame.The font of band edge frame has been beautified user interface (User Interface is called for short UI), and under the condition that function is certain, friendly UI can bring bigger competitiveness to product again.In addition, the present invention can be packaged into application programming interface (Application Programming Interface is called for short API), offers the exploitation of various application.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.For the person of ordinary skill in the field, from detailed description of the invention, above-mentioned and other purposes of the present invention, feature and advantage will be apparent.
Description of drawings
Fig. 1 is the font transferring structure figure of the present invention system of realizing band edge frame font on terminal.
Fig. 2 is the font flow path switch figure that realizes the method for band edge frame font on terminal of the present invention.
Fig. 3 is the present invention realizes the font conversion portrayal frame of band edge frame font system on terminal a module map.
Fig. 4 is a font conversion portrayal frame process flow diagram of realizing the method for band edge frame font on terminal of the present invention.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the invention is described in detail.
With reference to Fig. 1, this figure is the font Change-over knot composition of system of the present invention earlier, and the font modular converter comprises Truetype modular converter and non-vector font library conversion adaptation module as we can see from the figure.The TRUETYPE font of international standard is to use at most also the most a kind of font at present, can be used as it the source of font lattice information usually.The TRUEYTPE font has comprised profile information, forms the dot matrix bitmap by rasterisations such as setting-out, fillings.When the TRUETYPE font is converted to the dot matrix bitmap, can be converted to the bitmap of 2 looks or 256 looks as required.The bitmap of 256 looks has the effect of anti-sawtooth, and this bitmap is called the source bitmap.This source bitmap carries out conversion again, adopts the font switch technology of What You See Is What You Get, and gray scale is adjusted, and needed some conversion is turned to the bitmap of specific format 2 looks.This specific format is exactly to remove top or following blank, a rectangular area of information bit arranged, simultaneously by 8 alignment in the middle of only preserving.The bitmap of this specific format, be called normalized bitmap.If what read is the TrueType font file, utilizes above-mentioned Truetype modular converter to decode and obtain normalized bitmap.
If the right and wrong Trutype that reads is non-vector font library file, then change by non-vector font library conversion adaptation module.According to the coded format of non-vector fonts, decode, be decoded into 2 looks or 256 color bitmaps, be converted to normalized bitmap then again.Because non-vector fonts does not have a kind of general form, need decode at decoding adapter of a certain loading.Therefore, above-mentioned non-vector font library conversion adaptation module comprises n specific character library decoding modular converter, i.e. specific 1 character library decoding modular converter shown in the figure, specific 2 character libraries decoding modular converter ... specific n character library decoding modular converter.And then above-mentioned normalized bitmap saved as Fast Compression raster font file.
The preservation form of above-mentioned Fast Compression raster font file is as follows:
File header
The font version
Font size
Font line-spacing etc.
The file header size
Unicode encoded segment number
Initial, the termination of segmentation is in the skew of file
File content
Segmentation: overhead skew array, the empty skew in left side array, wide high array, standardization message bit pattern array.
Continuation is with reference to Fig. 2, and this figure is the font flow path switch figure of method of the present invention.Can see that from this figure concrete font flow path switch is as follows:
The first step: select source word phantom block file;
Second step: judge whether to be TRUETYPE; If TRUETYPE entered for the 3rd step; If not TRUETYPE, then entered for the 7th step;
The 3rd step: call the TRUETYPE engine and decode;
The 4th step: judge whether decoding is successful; If success entered for the 5th step; If unsuccessful, then failure is withdrawed from;
The 5th step: at least according to the size of specified file, literal code, the formed word module information of stage extraction correspondence;
The 6th step: the profile information rasterisation of above-mentioned type matrix; Entered for the tenth step then;
The 7th step: call the decoding adapter according to coded format;
The 8th step: use specific above-mentioned adapter to decode;
The 9th step: judge whether decoding is successful; If success entered for the tenth step; If unsuccessful, then failure is withdrawed from;
The tenth step: source bitmap-converted standardization bitmap;
The 11 step: a calculation document statistical information;
The 12 step: write the font file head;
The 13 step: write the font file content;
The 14 step: successfully return.
Then with reference to Fig. 3, this figure is the module map of the font conversion portrayal frame of system of the present invention.Can know if will carry out font conversion portrayal frame from this figure and need comprise at least with lower module: the character library engine control module, the font information extraction module, font engraving frame module and font present module.After carrying out font conversion by above-mentioned font modular converter; above-mentioned character library engine control module obtains the font specification dot array data; by above-mentioned font information extraction module Fast Compression raster font file is decoded; adopt quick Hash buffering to extract the standardization bitmap of the font that will portray the border as required, then utilize above-mentioned character library engine control module to control above-mentioned font engraving frame module and carry out matrixing according to the unicode encoded radio of literal correspondence.Above-mentioned character library engine control module utilizes above-mentioned font to present module to the different value of each point of above-mentioned matrix is converted to different pixel values, and refreshes corresponding zone.
For the clearer effect of understanding the described module of Fig. 3,, the frame flow process is portrayed in the font conversion of one embodiment of the invention is described in detail as follows at last with reference to Fig. 4:
Application program is sent engraving font frame (1) to above-mentioned character library engine control module; obtain font specification dot array data (2) to above-mentioned font information extraction module by above-mentioned character library engine control module; load character library configuration information (3) by above-mentioned font information; from the Hash buffering, search; find directly and return, otherwise record (4) from file.Relevant wide height and the dot array data (5) of this literal that utilizes above-mentioned font information extraction module will load the unicode correspondence then from file sends to font file.Send engraving font frame (6) by above-mentioned character library engine control module again and carry out matrixing to font engraving frame module.
Above-mentioned font engraving frame module is carried out matrixing; At first, the standardization bitmap, expand earlier, step-by-step is arranged, and is transformed to by byte align, is called the byte bitmap matrix; Carry out following steps then:
(7) the byte bitmap matrix is inserted overhead skew byte, promptly carry out matrix and move down;
(8) the byte bitmap matrix is inserted the empty skew in left side byte, promptly carry out matrix and move to right, through forming mother matrix with up conversion;
(9) engraving left side frame: duplicating mother matrix is submatrix 1, and the move to left side-play amount of appointment of submatrix 1 integral body, this side-play amount has determined the thickness of left frame;
(10) carve upper left frame: duplicating mother matrix is submatrix 2, and the side-play amount of moving appointment on submatrix 2 integral left, this side-play amount has determined the thickness of upper left frame;
(11) engraving lower-left frame: duplicating mother matrix is submatrix 3, and submatrix 3 integral left are moved down the side-play amount of appointment, and this side-play amount has determined the thickness of lower-left frame;
(12) engraving the right frame: duplicating mother matrix is submatrix 5, and the move to left side-play amount of appointment of submatrix 5 integral body, this side-play amount has determined the thickness of left frame;
(13) carve upper right frame: duplicating mother matrix is submatrix 6, and the side-play amount of moving appointment on submatrix 6 integral left, this side-play amount has determined the thickness of upper left frame;
(14) engraving bottom right frame: duplicating mother matrix is submatrix 7, and submatrix 7 integral left are moved down the side-play amount of appointment, and this side-play amount has determined the thickness of lower-left frame;
(15) engraving upper side frame: duplicating mother matrix is submatrix 4, and submatrix 4 is moved the side-play amount of appointment on the whole, and this side-play amount has determined the thickness of upper side frame;
(16) engraving lower frame: duplicating mother matrix is submatrix 8, and submatrix 8 integral body are moved down the side-play amount of appointment, and this side-play amount has determined the thickness of lower frame;
(17) merge mother matrix and submatrix, merge rule and adopt exclusive disjunction, obtain matrix and be called frame font matrix.
By the time after above-mentioned font engraving frame module is carried out matrixing and is finished, application program is sent and is presented frame font (18) and present module to font, utilize above-mentioned font to present module to the different value of each point of above-mentioned matrix is converted to different pixel value (19), and refresh corresponding zone (20).Promptly present resume module frame font matrix by font.If result equals 1 then be converted to the color of font, if result be 2 then be converted to the color of font frame, otherwise be background colour.Therefore can form motley band edge frame effect.
Certainly; the present invention also can have other embodiment; under the situation that does not deviate from spirit of the present invention and essence thereof; the person of ordinary skill in the field works as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (9)
1. a system that realizes band edge frame font on terminal is characterized in that, comprises the font modular converter, the character library engine control module, and the font information extraction module, font engraving frame module and font present module; Above-mentioned font modular converter carries out the font conversion, generates the bitmap of font specificationization; Above-mentioned character library engine control module obtains the dot array data in the font specification bitmap; Above-mentioned font information extraction module extracts the font specification dot array data; Fast Compression raster font file is decoded; adopt quick Hash buffering to extract the standardization bitmap of the font that will portray the border as required according to the unicode encoded radio of literal correspondence; above-mentioned character library engine control module is controlled above-mentioned font engraving frame module and is carried out matrixing, and above-mentioned font presents the font that module presents the band edge frame.
2. the system that on terminal, realizes band edge frame font according to claim 1, it is characterized in that, above-mentioned font modular converter comprises the vector font library modular converter, non-vector font library conversion adaptation module, wherein above-mentioned vector font library modular converter is decoded to the vector font library file, obtains normalized bitmap; Above-mentioned non-vector font library conversion adaptation module is decoded to non-vector font library file, obtains normalized bitmap; Above-mentioned font modular converter saves as Fast Compression raster font file with above-mentioned normalized bitmap.
3. the system that realizes band edge frame font on terminal according to claim 1 is characterized in that above-mentioned non-vector font library conversion adaptation module comprises n specific character library decoding modular converter.
4. system according to claim 1 is characterized in that above-mentioned font presents module the different value of each point of above-mentioned matrix is converted to different pixel values, and refreshes corresponding zone.
5. method that realizes band edge frame font on terminal is characterized in that may further comprise the steps:
Step 1: a kind of as above-mentioned system that realizes band edge frame font on terminal is provided;
Step 2: font conversion: read font file, decode; For vector fonts, be converted to raster font earlier, be converted to normalized bitmap again; For non-vector fonts, decode according to its coded format earlier, be converted to normalized bitmap again, the normalized bitmap that decoding obtains, save as Fast Compression raster font file;
Step 3: lattice matrix conversion, portrayal frame: by the font information extraction module, above-mentioned Fast Compression raster font file is decoded, adopt quick Hash buffering, extract the standardization bitmap of the font that will portray the border as required according to the unicode encoded radio of above-mentioned literal correspondence, carry out matrixing by font engraving frame module;
Step 4: the frame font presents: present resume module frame font matrix by font.
6. the method that realizes band edge frame font on terminal according to claim 5 is characterized in that the font transfer process described in the above-mentioned steps 2 is as follows:
The first step: select source word phantom block file;
Second step: judge whether to be vector fonts; If vector fonts entered for the 3rd step; If not vector fonts, then skipped for the 3rd step to the 6th step, directly began for the 7th step;
The 3rd step: call vector engine and decode;
The 4th step: judge whether decoding is successful; If success entered for the 5th step; If unsuccessful, then failure is withdrawed from;
The 5th step: according to the size of specified file, literal code, the formed word module information of stage extraction correspondence;
The 6th step: the profile information rasterisation of above-mentioned type matrix; Entered for the tenth step then;
The 7th step: call specific character library decoding modular converter according to coded format;
The 8th step: use above-mentioned specific character library decoding modular converter to decode;
The 9th step: judge whether decoding is successful; If success entered for the tenth step; If unsuccessful, then failure is withdrawed from;
The tenth step: source bitmap-converted standardization bitmap;
The 11 step: a calculation document statistical information;
The 12 step: write the font file head;
The 13 step: write the font file content;
The 14 step: successfully return.
7. the method that realizes band edge frame font on terminal according to claim 5 is characterized in that the preservation form of the Fast Compression raster font file described in the above-mentioned steps 1 is as follows:
File header
The font version
Font size
Font line-spacing etc.
The file header size
Unicode encoded segment number
Initial, the termination of segmentation is in the skew of file
File content
Segmentation: overhead skew array, the empty skew in left side array, wide high array, standardization message bit pattern array.
8. the method that realizes band edge frame font on terminal according to claim 5 is characterized in that the font engraving frame module described in the above-mentioned steps 2 carries out matrixing and may further comprise the steps:
(1) the standardization bitmap, expand earlier, step-by-step is arranged, and is transformed to by byte align, is called the byte bitmap matrix;
(2) the byte bitmap matrix is inserted overhead skew byte, promptly carry out matrix and move down;
(3) the byte bitmap matrix is inserted the empty skew in left side byte, promptly carry out matrix and move to right, through forming mother matrix with up conversion;
(4) engraving left side frame: duplicating mother matrix is submatrix 1, and the move to left side-play amount of appointment of submatrix 1 integral body, this side-play amount has determined the thickness of left frame;
(5) carve upper left frame: duplicating mother matrix is submatrix 2, and the side-play amount of moving appointment on submatrix 2 integral left, this side-play amount has determined the thickness of upper left frame;
(6) engraving lower-left frame: duplicating mother matrix is submatrix 3, and submatrix 3 integral left are moved down the side-play amount of appointment, and this side-play amount has determined the thickness of lower-left frame;
(7) engraving the right frame: duplicating mother matrix is submatrix 5, and the move to left side-play amount of appointment of submatrix 5 integral body, this side-play amount has determined the thickness of left frame;
(8) carve upper right frame: duplicating mother matrix is submatrix 6, and the side-play amount of moving appointment on submatrix 6 integral left, this side-play amount has determined the thickness of upper left frame;
(9) engraving bottom right frame: duplicating mother matrix is submatrix 7, and submatrix 7 integral left are moved down the side-play amount of appointment, and this side-play amount has determined the thickness of lower-left frame;
(10) engraving upper side frame: duplicating mother matrix is submatrix 4, and submatrix 4 is moved the side-play amount of appointment on the whole, and this side-play amount has determined the thickness of upper side frame;
(11) engraving lower frame: duplicating mother matrix is submatrix 8, and submatrix 8 integral body are moved down the side-play amount of appointment, and this side-play amount has determined the thickness of lower frame;
(12) merge mother matrix and submatrix, merge rule and adopt exclusive disjunction, obtain matrix and be called frame font matrix.
9. the method that on terminal, realizes band edge frame font according to claim 5, it is characterized in that presenting resume module frame font matrix by font described in the above-mentioned steps 4, if result equals 1 then be converted to the color of font, if result is 2 then is converted to the color of font frame, otherwise is background colour.
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| CN101625848B (en) * | 2009-07-28 | 2011-06-22 | 宁波新然电子信息科技发展有限公司 | Realization method of vector font library oriented to embedded platform |
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| CN104462068B (en) * | 2013-09-12 | 2017-11-07 | 北大方正集团有限公司 | Character conversion system and character conversion method |
| CN103745710A (en) * | 2013-12-04 | 2014-04-23 | 西安诺瓦电子科技有限公司 | Text information playing device and method |
| CN103745710B (en) * | 2013-12-04 | 2015-11-25 | 西安诺瓦电子科技有限公司 | Word message playing device and method |
| CN106569984A (en) * | 2015-10-10 | 2017-04-19 | 北京新美互通科技有限公司 | Method, apparatus, and system for generating and transmitting color word stock automatically |
| CN106569984B (en) * | 2015-10-10 | 2020-06-16 | 北京新美互通科技有限公司 | Method, device and system for automatically generating and transmitting color word stock |
| CN105430496A (en) * | 2015-11-26 | 2016-03-23 | 西安诺瓦电子科技有限公司 | Media program processing method, media program processing device and media program publishing method |
| CN105430496B (en) * | 2015-11-26 | 2018-08-17 | 西安诺瓦电子科技有限公司 | Media program processing method and processing device and media program dissemination method |
| CN108681587A (en) * | 2018-05-14 | 2018-10-19 | 五八有限公司 | Bitmap generation methods, device, equipment and storage medium |
| CN108681587B (en) * | 2018-05-14 | 2023-01-13 | 五八有限公司 | bitmap generation method, device, equipment and storage medium |
| CN110164399A (en) * | 2019-07-01 | 2019-08-23 | 深圳市卡迪智能科技有限公司 | 8 bit depth type matrix storage optimization methods |
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