CN106327545A - Vector line amplification drawing method - Google Patents
Vector line amplification drawing method Download PDFInfo
- Publication number
- CN106327545A CN106327545A CN201610695431.3A CN201610695431A CN106327545A CN 106327545 A CN106327545 A CN 106327545A CN 201610695431 A CN201610695431 A CN 201610695431A CN 106327545 A CN106327545 A CN 106327545A
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- Prior art keywords
- document
- vector lines
- magnifier
- drafting
- layer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
Abstract
The invention discloses a vector line amplification drawing method and belongs to the image processing field. The method comprises the following steps: 1) selecting a drawing region needing to be amplified in a document with a magnifier, content displayed in the drawing region comprising document itself in an magnifier amplification region and vector lines drawn on the document; 2) using a drawing pen to draw the vector lines in the amplified drawing region and displaying the vector lines synchronously in the document; and 3) after drawing is finished, moving the magnifier automatically or changing lines to enable the amplified drawing region to be moved to the next drawing region according to a boundary decision algorithm. The beneficial effects are that, through the magnifier, amplification display and drawing of the amplification display area are realized; and in the drawing process, a drawing effect can be previewed in real time in the drawing process, and convenience of a drawing tool is improved.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to the amplification method for drafting of a kind of vector lines.
Background technology
Mobile hand-held device becomes more and more popular at present, and we often utilize these handheld devices to carry out picture anywhere or anytime
Figure, handwriting etc. operate.
Feature based on mobile terminal self, we usually need to carry out high-precision behaviour when drawing or handwriting
Make, and the screen of mobile terminal itself is smaller.In this time, we carry out drawing operation after being accomplished by amplifying document.
Under prior art, operate if user needs to carry out high-precision drafting, typically can first document itself be amplified, so
After again carry out draw operation.
Carry out after amplifying document itself drawing operation, if the method existence needs the content drawn the most, it is necessary to
Draw slip document after a part, then carry out next step the problem drawing operation.This problem can seriously reduce painting of user
Efficiency processed.Further, since document is exaggerated, the visibility region of user, smaller, thus for whole document
Cannot preview in drawing process, the effect of whole document.
Application for a patent for invention such as Publication No. CN101553771A discloses rendering hypertext markup language content,
In HTML drawing engine, HTML (HTML) content is plotted as the pel of vector graphics rendering engine；Described
In vector graphics rendering engine, draw described pel to provide user interface；Incoming event is received via described user interface；?
Described HTML drawing engine determines the cosmetic variation of user interface based on described incoming event；And according to described cosmetic variation
Update at least one pel, in order to drawn by described vector graphics rendering engine, thus update described user interface.
But this patent still cannot preview in drawing process, the effect of whole document.
And for example the application for a patent for invention of Publication No. CN101127035A discloses a kind of drafting character in target area
The method of string, including: preset font size mobility scale；According to reference type size drafting character string in target area；Judge to be drawn
Character string whether exceed the size of described target area；If it is, be less than on described variable font size at described reference type size
In limited time, described reference type size is replaced the described variable font size upper limit；And, reduce described character datum according to the first presetting rule
Number；If it is not, then when described reference type size is more than described variable font size lower limit, described reference type size is replaced described can mutilation
Number lower limit；And, amplify described reference type size according to the second presetting rule；Whether the reference type size zoomed in or out described in judgement
In described font size mobility scale, if it is, repaint described character string in described target area.But the method is still
So cannot preview in drawing process, the effect of whole document.
Summary of the invention
For overcome in prior art cannot preview in drawing process, the problem of the effect of whole document, the present invention provides
The amplification method for drafting of a kind of vector lines, comprises the following steps:
Step one: select the drawing area needing to amplify on document with magnifier, the content that drawing area shows includes
Vector lines the most rendered on the document of magnifier magnification region itself and document；
Step 2: use is painted pen and drawn vector lines at the drawing area amplified and synchronize to show on document；
Step 3: after completing, automatically moves magnifier or the drafting district that will amplify that enters a new line according to edge determination algorithm
Territory moves to next drawing area.
Further, described document comprises two figure layers, respectively: document original show layers, vector lines are drawn
Figure layer.
Further, the drawing area of described amplification includes three figure layers, respectively: document amplifies show layers, line of vector
Bar amplifies show layers, vector lines amplify drafting figure layer.
Further, the outfan of described document original show layers amplifies show layers and described vector with described document
Lines amplify the input of show layers and are connected, and described vector lines amplify the outfan of drafting figure layer and paint with described vector lines
Drawing layer input is connected.In document original show layers, document and vector lines are transferred to vector lines amplification show layers
Showing, then painting pen and draw at vector lines amplification drafting figure layer, its vector lines drawn are sent to described arrow
Amount lines draw figure layer, are transmitted further to document original show layers and show, then are transmitted by the amplification of magnifier
Vector lines amplify show layers and are amplified display.
Further, described magnifier start position on document is some A (Ax, Ay), and the wide high of magnifier is respectively W and H,
Amplification coefficient is β；The start position of described magnifier magnification region is an A1 (Ax, Ay), the width of described magnifier magnification region
With a height of W/ β and H/ β.
Further, some B (Bx, By) in described document original show layers, it amplifies show layers at described document
Or the coordinate that described vector lines amplify in show layers is B1=((Bx-Ax) β+Ax, (By-Ay) β+Ay).
Further, described vector lines amplify some C (Cx, Cy) drawn in figure layer, and it draws figure at described vector lines
Point coordinates in Ceng
Further, use region to refresh when described step 2 is drawn vector lines, only drawing area is refreshed.
Further, fall the abscissa point more than Ax+0.8W β in vector lines amplification drafting figure layer when painting pen, and
When leaving that the time is more than 0.6s after drafting figure layer, trigger magnifier and automatically move to right or enter a new line.I.e. paint pen and arrive magnifier right hand edge
Region, and complete 0.6s after this stroke is drawn, the most automatically move to right or enter a new line.
Further, fall the abscissa point more than Ax+0.8W β in vector lines amplification drafting figure layer when painting pen, amplify
When mirror is in the low order end of document, and when leaving that the time is more than 0.6s after drafting figure layer, triggers magnifier and automatically move to right or change
OK.I.e. paint pen and arrive magnifier right hand edge region, and complete 0.6s after this stroke is drawn, if now putting mirror to be in low order end,
The most automatically enter a new line.
Further, the amplification of described magnifier keeps constant, it is ensured that font size, feature size etc. are unified consistent.
Further, described magnifier has carriage return function, realizes changing magnifier when starting described carriage return function
OK, and magnifier moves to next line Far Left or rightmost.
Further, in described step one, press magnifier by long, and on document, drag to magnifier need to amplify
Hand-written region.
Further, once magnifier has the movement on any position, amplifies drawing area and all will again render document amplification
Show layers, vector lines amplify show layers.And empty all the elements of vector lines amplification drafting figure layer.
Compared with prior art, the invention has the beneficial effects as follows:
(1) magnifying function is passed through, it is achieved amplify display and enlarged display area is drawn, during drawing
Effect can be drawn by live preview, improve the convenience of drawing instrument；
(2) magnifier can be automatically adjusted its amplification position according to painting a present position, makes to paint a present position and is in amplification
Mirror relatively in the middle of position, it is to avoid the problem drawing inconvenience brought because of manual regulation magnifier position；
(3) amplification of magnifier keeps constant, it is ensured that font size, feature size etc. are unified consistent；
(4) document itself need not scaling, it is possible to realizes amplifying and draws, and during hand-written, uses region to refresh
Technology, it is ensured that system stability Effec-tive Function；
(5) the carriage return function of magnifier is provided, it is ensured that head alignment and line space alignment.
Accompanying drawing explanation
Fig. 1 is the drawing area schematic diagram that the present invention preferably amplifies；
Fig. 2 is the present invention the most each figure inter-layer data transmission route figure；
Wherein, 1, the drawing area amplified；2, document；11, vector lines amplify drafting figure layer；12, vector lines amplify
Show layers；13, document amplifies show layers；21, document original show layers；22, vector lines draw figure layer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that described herein
Specific embodiment only in order to explain the present invention, is not intended to limit the present invention.
Embodiment one:
The amplification method for drafting of a kind of vector lines, comprises the following steps:
Step one: select the drawing area needing to amplify on document with magnifier, the content that drawing area shows includes
Vector lines the most rendered on the document of magnifier magnification region itself and document；
Step 2: use is painted pen and drawn vector lines at the drawing area amplified and synchronize to show on document；
Step 3: after completing, automatically moves magnifier or the drafting district that will amplify that enters a new line according to edge determination algorithm
Territory moves to next drawing area.
Two figure layers are comprised, respectively: document original show layers 21, vector lines draw figure layer 22 on document 2；As
Being the drawing area schematic diagram that preferably amplifies of the present invention shown in Fig. 1, the drawing area 1 of amplification includes three figure layers, respectively:
Document amplifies show layers 13, vector lines amplify show layers 12, vector lines amplify drafting figure layer 11.
As in figure 2 it is shown, be the present invention the most each figure inter-layer data transmission route figure, document original show layers 21
Outfan amplifies the input of show layers 13 and described vector lines amplification show layers 12 and is connected with described document, described arrow
Amount lines amplify the outfan drawing figure layer 11 and are connected with described vector lines drafting figure layer 22 input.Document original shows
In figure layer 21 document and vector lines be transferred to vector lines amplify show layers 12 show, then paint pen at vector lines
Amplifying drafting figure layer 11 to draw, its vector lines drawn are sent to described vector lines drafting figure layer 22, are transmitted further to
Document original show layers 21 shows, then amplifies show layers 12 by the amplification transmission vector lines of magnifier
It is amplified display.
Magnifier start position on document is some A (Ax, Ay), and the wide high of magnifier is respectively W and H, and amplification coefficient is
β；The start position of described magnifier magnification region for some an A1 (Ax, Ay), the wide and a height of W/ β of described magnifier magnification region with
H/β；Point B (Bx, By) in described document original show layers, it amplifies show layers or described line of vector at described document
The coordinate that bar amplifies in show layers is B1=((Bx-Ax) β+Ax, (By-Ay) β+Ay).
Vector lines amplify some C (Cx, Cy) drawn in figure layer, its point coordinates in described vector lines draw figure layer
Use region to refresh when drawing vector lines in described step 2, only drawing area is refreshed.
Fall the abscissa point more than Ax+0.8W β in vector lines amplification drafting figure layer when painting pen, and leave drafting
When the time is more than 0.6s after figure layer, triggers magnifier and automatically move to right or enter a new line.I.e. paint pen and arrive magnifier right hand edge region, and complete
0.6s after becoming this stroke to draw, the most automatically moves to right or enters a new line.
Falling the abscissa point more than Ax+0.8W β in vector lines amplification drafting figure layer when painting pen, magnifier is in literary composition
During the low order end of shelves, and when leaving that the time is more than 0.6s after drafting figure layer, trigger magnifier and automatically move to right or enter a new line.I.e. paint pen
Arriving magnifier right hand edge region, and complete 0.6s after this stroke is drawn, if now putting mirror to be in low order end, i.e. carrying out automatically
Line feed.
The amplification of described magnifier keeps constant, it is ensured that font size, feature size etc. are unified consistent.
Further, described magnifier has carriage return function, realizes changing magnifier when starting described carriage return function
OK, and magnifier moves to next line Far Left or rightmost.
In described step one, press magnifier by long, and on document, drag to magnifier to need to amplify hand-written
Region.
Once magnifier has the movement on any position, amplifies drawing area and all will again render document amplification display figure
Layer, vector lines amplify show layers.And empty all the elements of vector lines amplification drafting figure layer.
Embodiment two:
The amplification method for drafting of a kind of vector lines, comprises the following steps:
Step one: select the drawing area needing to amplify on document with magnifier, the content that drawing area shows includes
Vector lines the most rendered on the document of magnifier magnification region itself and document；
Step 2: use is painted pen and drawn vector lines at the drawing area amplified and synchronize to show on document；
Step 3: after completing, automatically moves magnifier or the drafting district that will amplify that enters a new line according to edge determination algorithm
Territory moves to next drawing area.
Two figure layers are comprised, respectively: document original show layers 21, vector lines draw figure layer 22 on document 2；As
Being the drawing area schematic diagram that preferably amplifies of the present invention shown in Fig. 1, the drawing area 1 of amplification includes three figure layers, respectively:
Document amplifies show layers 13, vector lines amplify show layers 12, vector lines amplify drafting figure layer 11.
As in figure 2 it is shown, be the present invention the most each figure inter-layer data transmission route figure, document original show layers 21
Outfan amplifies the input of show layers 13 and described vector lines amplification show layers 12 and is connected with described document, described arrow
Amount lines amplify the outfan drawing figure layer 11 and are connected with described vector lines drafting figure layer 22 input.Document original shows
In figure layer 21 document and vector lines be transferred to vector lines amplify show layers 12 show, then paint pen at vector lines
Amplifying drafting figure layer 11 to draw, its vector lines drawn are sent to described vector lines drafting figure layer 22, are transmitted further to
Document original show layers 21 shows, then amplifies show layers 12 by the amplification transmission vector lines of magnifier
It is amplified display.
Magnifier start position on document is some A (Ax, Ay), and the wide high of magnifier is respectively W and H, and amplification coefficient is
β；The start position of described magnifier magnification region is an A1 (A1x, A1y), the wide and a height of W/ β of described magnifier magnification region
With H/ β；Point B (Bx, By) in described document original show layers, it amplifies show layers or described vector at described document
The coordinate that lines amplify in show layers is B1=((Bx-Ax) β+A1x, (By-Ay) β+A1y).Now magnifier is at literary composition
Starting point in Dang differs with the starting point of magnifier magnification region, and document can be arranged on a certain corner of viewing area, and puts
The big mirror position A1 in viewing area corresponds to the B1 in document corresponding to the A, B on document.
Vector lines amplify some C (Cx, Cy) drawn in figure layer, its point coordinates in described vector lines draw figure layerThe magnifier position C1 in viewing area is corresponding to the C on document.
Use region to refresh when drawing vector lines in described step 2, only drawing area is refreshed.
Fall the abscissa point more than Ax+0.8W β in vector lines amplification drafting figure layer when painting pen, and leave drafting
When the time is more than 0.6s after figure layer, triggers magnifier and automatically move to right or enter a new line.I.e. paint pen and arrive magnifier right hand edge region, and complete
0.6s after becoming this stroke to draw, the most automatically moves to right or enters a new line.
Falling the abscissa point more than Ax+0.8W β in vector lines amplification drafting figure layer when painting pen, magnifier is in literary composition
During the low order end of shelves, and when leaving that the time is more than 0.6s after drafting figure layer, trigger magnifier and automatically move to right or enter a new line.I.e. paint pen
Arriving magnifier right hand edge region, and complete 0.6s after this stroke is drawn, if now putting mirror to be in low order end, i.e. carrying out automatically
Line feed.
The amplification of described magnifier keeps constant, it is ensured that font size, feature size etc. are unified consistent.
Described magnifier has carriage return function, realizes the line feed to magnifier when starting described carriage return function, and puts
Big mirror moves to next line Far Left or rightmost.
In described step one, press magnifier by long, and on document, drag to magnifier to need to amplify hand-written
Region.
Once magnifier has the movement on any position, amplifies drawing area and all will again render document amplification display figure
Layer, vector lines amplify show layers.And empty all the elements of vector lines amplification drafting figure layer.
Embodiment three:
The amplification method for drafting of a kind of vector lines, comprises the following steps:
Step one: select the drawing area needing to amplify on document with magnifier, the content that drawing area shows includes
Vector lines the most rendered on the document of magnifier magnification region itself and document；
Step 2: use is painted pen and drawn vector lines at the drawing area amplified and synchronize to show on document；
Step 3: after completing, automatically moves magnifier or the drafting district that will amplify that enters a new line according to edge determination algorithm
Territory moves to next drawing area.
Two figure layers are comprised, respectively: document original show layers 21, vector lines draw figure layer 22 on document 2；As
Being the drawing area schematic diagram that preferably amplifies of the present invention shown in Fig. 1, the drawing area 1 of amplification includes three figure layers, respectively:
Document amplifies show layers 13, vector lines amplify show layers 12, vector lines amplify drafting figure layer 11.
As in figure 2 it is shown, be the present invention the most each figure inter-layer data transmission route figure, document original show layers 21
Outfan amplifies the input of show layers 13 and described vector lines amplification show layers 12 and is connected with described document, described arrow
Amount lines are drawn the outfan of figure layer 22 and are connected with the input of described document original show layers 21, and described vector lines are put
The big outfan drawing figure layer 11 is drawn figure layer 22 input with described vector lines and is connected.In document original show layers 21
Document and vector lines are transferred to vector lines amplification show layers 12 and show, then paint pen and amplify drafting at vector lines
Figure layer 11 is drawn, and its vector lines drawn are sent to described vector lines drafting figure layer 22, are transmitted further to document original text
Part show layers 21 shows, then is amplified by the amplification transmission vector lines amplification show layers 12 of magnifier
Display.
Magnifier start position on document is some A (Ax, Ay), and the wide high of magnifier is respectively W and H, and amplification coefficient is
β；The start position of described magnifier magnification region is an A1 (A1x, A1y), the wide and a height of W/ β of described magnifier magnification region
With H/ β；Point B (Bx, By) in described document original show layers, it amplifies show layers or described vector at described document
The coordinate that lines amplify in show layers is B1=((Bx-Ax) β+A1x, (By-Ay) β+A1y).Now magnifier is at literary composition
Starting point in Dang differs with the starting point of magnifier magnification region, and document can be arranged on a certain corner of viewing area, and puts
The big mirror position A1 in viewing area corresponds to the B1 in document corresponding to the A, B on document.
Vector lines amplify some C (Cx, Cy) drawn in figure layer, its point coordinates in described vector lines draw figure layerThe magnifier position C1 in viewing area is corresponding to the C on document.
Use region to refresh when drawing vector lines in described step 2, only drawing area is refreshed.
Fall the abscissa point more than Ax+0.8W β in vector lines amplification drafting figure layer when painting pen, and leave drafting
When the time is more than 0.6s after figure layer, triggers magnifier and automatically move to right or enter a new line.I.e. paint pen and arrive magnifier right hand edge region, and complete
0.6s after becoming this stroke to draw, the most automatically moves to right or enters a new line.
Falling the abscissa point more than Ax+0.8W β in vector lines amplification drafting figure layer when painting pen, magnifier is in literary composition
During the low order end of shelves, and when leaving that the time is more than 0.6s after drafting figure layer, trigger magnifier and automatically move to right or enter a new line.I.e. paint pen
Arriving magnifier right hand edge region, and complete 0.6s after this stroke is drawn, if now putting mirror to be in low order end, i.e. carrying out automatically
Line feed.
The amplification of described magnifier keeps constant, it is ensured that font size, feature size etc. are unified consistent.
Described magnifier has carriage return function, realizes the line feed to magnifier when starting described carriage return function, and puts
Big mirror moves to next line Far Left or rightmost.
In described step one, press magnifier by long, and on document, drag to magnifier to need to amplify hand-written
Region.
Once magnifier has the movement on any position, amplifies drawing area and all will again render document amplification display figure
Layer, vector lines amplify show layers.And empty all the elements of vector lines amplification drafting figure layer.
Described above illustrate and describes the preferred embodiments of the present invention, as previously mentioned, it should be understood that the present invention not office
Be limited to form disclosed herein, be not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and
Environment, and can be changed by above-mentioned teaching or the technology of association area or knowledge in invention contemplated scope described herein
Dynamic.And the change that those skilled in the art are carried out and change are without departing from the spirit and scope of the present invention, the most all should be appended by the present invention
In scope of the claims.
Claims (10)
1. the amplification method for drafting of vector lines, it is characterised in that comprise the following steps:
Step one: select the drawing area needing to amplify with magnifier on document, the content that drawing area shows includes amplifying
Vector lines the most rendered on the document of mirror magnification region itself and document；
Step 2: use is painted pen and drawn vector lines at the drawing area amplified and synchronize to show on document；
Step 3: after completing, automatically moves magnifier or line feed according to edge determination algorithm and is moved by the drawing area amplified
Move next drawing area.
The amplification method for drafting of a kind of vector lines the most as claimed in claim 1, it is characterised in that comprise two on described document
Individual figure layer, respectively: document original show layers, vector lines draw figure layer.
The amplification method for drafting of a kind of vector lines the most as claimed in claim 2, it is characterised in that the drafting district of described amplification
Territory includes three figure layers, respectively: document amplifies show layers, vector lines amplify show layers, vector lines amplify drafting
Figure layer.
The amplification method for drafting of a kind of vector lines the most as claimed in claim 3, it is characterised in that described document original shows
The outfan of diagram layer amplifies the input of show layers and described vector lines amplification show layers and is connected with described document, institute
The outfan stating vector lines amplification drafting figure layer is connected with described vector lines drafting figure layer input.
The amplification method for drafting of a kind of vector lines the most as claimed in claim 4, it is characterised in that described magnifier is at document
Upper start position is some A (Ax, Ay), and the wide high of magnifier is respectively W and H, and amplification coefficient is β；Described magnifier magnification region
Start position for some an A1 (Ax, Ay), the wide and a height of W/ β and H/ β of described magnifier magnification region.
The amplification method for drafting of a kind of vector lines the most as claimed in claim 5, it is characterised in that described document original shows
Point B (Bx, By) in diagram layer, its seat in described document amplifies show layers or described vector lines amplification show layers
It is designated as B1=((Bx-Ax) β+Ax, (By-Ay) β+Ay).
The amplification method for drafting of a kind of vector lines the most as claimed in claim 5, it is characterised in that described vector lines amplify to be painted
Point C (Cx, Cy) in drawing layer, its point coordinates in described vector lines draw figure layer
The amplification method for drafting of a kind of vector lines the most as claimed in claim 1, it is characterised in that paint in described step 2
Use region to refresh during vector lines processed, only drawing area is refreshed.
The amplification method for drafting of a kind of vector lines the most as claimed in claim 5, it is characterised in that fall line of vector when painting pen
Bar amplifies draws the abscissa point more than Ax+0.8W β in figure layer, and when leaving that the time is more than 0.6s after drafting figure layer, touches
Send out magnifier automatically move to right or enter a new line.
The amplification method for drafting of a kind of vector lines the most as claimed in claim 9, it is characterised in that fall vector when painting pen
Lines amplify draws the abscissa point more than Ax+0.8W β in figure layer, when magnifier is in the low order end of document, and leaves
When the time is more than 0.6s after drafting figure layer, triggers magnifier and automatically enter a new line.
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|---|---|---|---|
| CN201610695431.3A CN106327545A (en) | 2016-08-19 | 2016-08-19 | Vector line amplification drawing method |
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|---|---|---|---|
| CN201610695431.3A CN106327545A (en) | 2016-08-19 | 2016-08-19 | Vector line amplification drawing method |
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| CN109992751A (en) * | 2017-12-29 | 2019-07-09 | 珠海金山办公软件有限公司 | Amplification display method, device, electronic equipment and the storage medium of table objects |
| CN109992751B (en) * | 2017-12-29 | 2023-12-01 | 珠海金山办公软件有限公司 | Method and device for magnifying and displaying table objects, electronic equipment and storage medium |
| CN110362247A (en) * | 2019-07-18 | 2019-10-22 | 江苏中威科技软件系统有限公司 | It is a set of to amplify the mode signed on electronic document |
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