CN100481961C - Method of displaying color in screen video control - Google Patents
Method of displaying color in screen video control Download PDFInfo
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- CN100481961C CN100481961C CNB2006100061231A CN200610006123A CN100481961C CN 100481961 C CN100481961 C CN 100481961C CN B2006100061231 A CNB2006100061231 A CN B2006100061231A CN 200610006123 A CN200610006123 A CN 200610006123A CN 100481961 C CN100481961 C CN 100481961C
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Abstract
The invention relates to a method of screen virtual control color display, which comprises: first providing a color format look-up table which contains three fields as group label, color index serial number and color component valve; providing a screen virtual control display system which can provide several menus while each menu has several elements and any element is formed by at least one foreground color and one background color which are individually relative to one color index serial number. The elements are used to read the first byte of foreground color and the second bit of background while the first half bytes of first and second bytes stand for group labels and the second half bytes stand for color index serial number of said group labels. The elements in the screen virtual control display system can via the color index serial numbers read display color on the color saucer to display the foreground and background.
Description
Technical field
The present invention relates to the method that a kind of screen color shows, particularly relate to a kind of element property of utilizing and come display screen to look the method for control color the mode of color form grouping.
Background technology
" audiovisual entertainment " become the topmost amusement and recreation of people since twentieth century, playing media arrives the audio-visual multimedia player (VCD, DVD) of digital morphological etc. again from film, the TV of simulation form.Because correlation technique constantly upwards promotes, make no matter the telepresenc of being personally on the scene is arranged can both bringing the audience aspect visual performance (video) and the audible representation (audio) two.For satisfying user's demand, the also continual renovation, powerful under dealer's effort of the function of video-audio playing system.Yet the function of system the more also can be more and more complicated in the relative operation.Therefore, how when function increases, still can allow the user be convenient to operation, become the target that the designer makes great efforts.
The control menu (being called for short screen video control shows) of looking on the screen has become one of main user's operation-interface, and the user can carry out different operations to Play System via the menu that shows on the screen.In broad terms, screen video control shows can comprise function setting menu (set up menu) and display and operation (OnScreen Display, OSD), both all are the function choosing-items that can provide via display (monitor) system of displaying the play, and set or show state for the user.In general, in order to allow the user be easy to the selectable project of identification on the screen, image and colour switching can provide the user preferable recognition effect.Therefore, screen video control shows often provides multi-level menu, each menu to include a plurality of alternative elements, and each element is made up of literal and textbox (frame) usually.If distinguish, comprise foreground (the normally color of literal) and back scenery (color of textbox) usually with color.Therefore, when in a single day the element that is not selected is selected, by the change of foreground, to remind the situation of choosing of user's menu interior element with the back scenery.
Be to utilize to provide a group image in the prior art that Figure 1A describes, and decide the execution mode of image according to the state of choosing of element all demonstration situations.In Figure 1A, label 101,102,103 is represented being selected of element respectively, is not chosen, the image of disabled state.Significantly, such way not only needs to provide many images to each element, and each element has only an image to be shown in the same time, all the other not selected images still need occupying system resources (for example depositing in the internal memory), except waste system resource, elementary state is switched video calling process required when frequent, also can cause no small burden to system.
Another kind shown in Figure 1B is in the prior art with 8 color video data, cooperate 8 color index color saucer (palette), so that looking the control menu item and can present the example of 256 kinds of change in color on the screen, it is to do explanation not considering that display menu is positioned under the data volume size that coordinate data, width data (width), length data (height) on the screen wait other data.Yet, with the common color change of screen video control menu interior element, the variation of its color of element of having chosen and not being selected, the simplest promptly is the exchange of foreground and back scenery.Therefore, if only consider the color video data of element merely, the element of having chosen and not being selected is because the displacement of color (scenery after for example foreground becomes, back scenery becomes foreground), all color video datas of each pixel (Pixel) (color index numbering just) will be done once and exchange in the element.Yet, because of the existing color saucer shown in Figure 1B needs to number correspondence to go out the color of institute with demonstration by color index, even so only be the color exchange of the forward and backward scenery of menu interior element, element of every conversion must change the color display data of foreground and back scenery, and frequent conversion menu item only can increase the load of system handles data, but this wilfully is again unavoidable situation.
In addition, show with screen video control, the just conversion of color in twos of the situation of change in color majority, the color change of 16 looks promptly is enough to deal with the demand that screen video control shows in fact.In view of this, the invention provides a kind of method that shows about on-screen menu individual event order color, make system when handling the menu item colour switching, under the condition of keeping the identical figure place of system handles, still can effectively reduce the size of the data volume of required processing.
Summary of the invention
The method of purpose of the present invention for providing a kind of screen color to show utilizes group number to number in conjunction with color index, makes system when handling the menu item colour switching, can effectively reduce the data volume of required processing.
The invention provides a kind of method of displaying color in screen video control, the method includes the steps of: at first, the one color form table of comparisons is provided, this color form table of comparisons comprises a plurality of group number (with 4 bit representations), and dependency is categorized as active state (active state), selected state (selected state), inactive state (inactive state), disabled state (disable state), system definition (systemdefined) and screen display and controls use (OSD defined usage).Then, one screen video control display system is provided, this screen video control display system provides a ground floor menu at least, this ground floor menu is provided with a plurality of daughter elements, each daughter element can be the wherein a kind of of single-element or the second layer menu that comprises a Sun Yuansu or a plurality of grandson's elements, wherein arbitrary daughter element and Sun Yuansu are made up of a foreground (color of word segment) and a back scenery (color of textbox part) institute at least, and above-mentioned foreground and back scenery be a corresponding color index number respectively.
When the user enters the ground floor menu, the default daughter element of this screen video control display system is an active state, remaining daughter element will be preset as inactive state or disabled state, it is active state that the user need specify the daughter element of arbitrary inactive state of this ground floor menu according to it, and therefore this daughter element of former active state will change to inactive state.When the daughter element of this active state comprised second layer menu, this screen video control display system changed to selected state with the attributive classification of the daughter element of this active state.
One Sun Yuansu of the daughter element of default this selected state of screen video control display system is an active state, remaining Sun Yuansu will be preset as inactive state or disabled state, it is active state that the user can need specify the Sun Yuansu of this arbitrary inactive state according to it, and therefore this Sun Yuansu of former active state will change to inactive state.And then, the screen video control display system is by reading first byte of foreground, group number with daughter element and Sun Yuansu is preceding nibble, and the later half byte of the color index corresponding with the foreground of this daughter element and Sun Yuansu numbering merges, comply with value index one color saucer of first byte subsequently again, with the color of display foreground look.Simultaneously, the screen video control display system is that preceding nibble is preceding nibble with the group number of this daughter element and Sun Yuansu also by second byte that reads the back scenery, and the color index corresponding with the back scenery of this daughter element and Sun Yuansu is numbered the back nibble, and comply with this color saucer of second byte index of being formed, to show the color of back scenery.
Description of drawings
By detailed description below in conjunction with accompanying drawing, can understand foregoing and plurality of advantages of the present invention easily, wherein:
Figure 1A chooses the schematic diagram that state calls different show images in the prior art with element;
Figure 1B is the schematic diagram of existing 256 look index color saucers;
Fig. 2 is the color flow for displaying figure about the screen video control demonstration of preferred embodiment of the present invention;
Fig. 3 is the color form table of comparisons of preferred embodiment of the present invention;
Fig. 4 is the color saucer of preferred embodiment of the present invention;
Fig. 5 A and 5B are the setting menu schematic diagram that shows on the screen;
Fig. 6 is the format description figure of the color display data of preferred embodiment of the present invention;
Fig. 7 A in the preferred embodiment of the present invention about the color video data byte of the forward and backward scenery of the daughter element of active state; And
Fig. 7 B in the preferred embodiment of the present invention about the color video data byte of the forward and backward scenery of the daughter element of inactive state.
The reference numeral explanation
10 screen video control display systems, 20 ground floor menus
The element image 201 general textboxs of setting of 101 selected states
The textbox that element image 202 loud speakers of 102 non-selected states are set
The textbox that element image 203 DOLBY DIGITAL of 103 disabled state are set
The textbox that 22 second layer menus, 204 Dolby Surrounds are set
The textbox that textbox 205 Karaokes of 221 center loudspeaker are set
The textbox that 206 default values are set
Embodiment
The invention provides the method that a kind of screen color shows, the color that utilizes group number to be formed in conjunction with the color index numbering shows byte, when making the colour switching of system's each element in handling menu, only need change group number and need not change whole color demonstration byte, therefore can effectively reduce the data volume of the required processing of system.Below enumerate a preferred embodiment with explanation the present invention, only be one for example but those skilled in the art all can understand this, and be not in order to limit invention itself.The detailed description of relevant this preferred embodiment is as follows.
As shown in Figure 2, Fig. 2 is the color flow for displaying figure of preferred embodiment of the present invention about the screen video control demonstration.At first, plan a color form table of comparisons (step 401).Please also refer to Fig. 3, the color form table of comparisons according to a preferred embodiment of the present invention, comprise two fields: 4 group number (groupnumber) field and status attribute field, group number can be divided into according to its attributive classification: inactive state (inactive state) (G=0～6), active state (active state) (G=A), selected state (selected state) (G=B), disabled state (disable state) (G=C), system definition (system defined) (G=D), screen display is controlled use (OSD defined usage) (G=E, F) and undefined part (undefined) (G=7～9).
In preferred embodiment of the present invention, " system definition " represents the fixing part that shows in the interior element of menu; " screen display is controlled use " distributes to the part of display and operation (OSD); The part of " undefined " then can be set up on their own by the designer.With the DVD Play System is example, " disabled state " ordinary representation system and external audio-visual playing media or the unsupported option of disc.For instance, though the DVD Play System can be supported multinational captions output, when disc itself only has Chinese to show, because of only being arranged on the DVD Play System, Chinese provide the user to choose, so all the other national menu element promptly are to present disabled state.
Please refer to flow chart shown in Figure 2.After step 401, then plan a color saucer (step 403).Please consult Fig. 4 simultaneously, it is the color saucer of preferred embodiment of the present invention (palette) schematic diagram, each group number (G=0～F, with 4 is totally 16 groups of examples) the color index numbering (I=0～F), and each group color index numbering has each self-corresponding red (R), green (G), blue (B) color data of corresponding uniform amt separately all arranged.
One screen video control display system 10 (step 405) is provided after step 403.As shown in Figure 5, setting menu (set up menu) with a DVD player system, screen video control display system 10 provides a ground floor menu 20, and ground floor menu 20 can be provided with a plurality of daughter elements (as six of " set "～" the default value settings " of icon etc., its corresponding textbox then annotate respectively label 201 to 206).Each daughter element can be the second layer menu 22 that comprises a plurality of grandson's elements (" DOWNMIX pattern "～" sound channel test " etc.) or only comprise a Sun Yuansu, can certainly not have Sun Yuansu.It should be noted, be example with two- layer menu 20,22 only at this, also more multi-layered menu can be arranged certainly.According to method of the present invention, arbitrary element all comprises a foreground (text color) and a back scenery (textbox color) is formed, and above-mentioned foreground and back scenery have the color index numbering of appointment respectively, to show its color.
And then after the step 405, according to its group number (step 407) of setting state of element.Please be simultaneously with reference to Fig. 5 A, when the user entered ground floor menu 20, system's 10 default daughter elements (being generally first element, just " the general setting ") were active state, remaining daughter element will be preset as inactive state or disabled state.Certainly, it is active state that the user can specify the daughter element of arbitrary inactive state of ground floor menu 20, for example when the user chooses " loud speaker setting " shown in Fig. 5 A, the group number of " the general setting " will change to inactive state, and the group number of " loud speaker setting " then changes to active state.In addition, because the daughter element (" loud speaker setting ") of active state comprises second layer menu 22, system's 10 group number with " loud speaker setting " change to selected state.
Further, shown in Fig. 5 B, one Sun Yuansu of the daughter element (" loud speaker setting ") of system's 10 default selected states is active state (normally " a DOWNMIX pattern "), all the other Sun Yuansu then are preset as inactive state or disabled state, the user can specify the Sun Yuansu of an inactive state (as " center loudspeaker " of figure, its corresponding textbox label 221 of then annotating) be active state, and therefore the group number of " DOWNMIX pattern " will change to inactive state.It should be noted,, then can follow aforesaid variation, to set the group number of each element if when system supports more multi-layered menu.
Please return with reference to flow chart shown in Figure 2.After step 407, the group number and the color index that merge element are numbered to become a byte (step 409).Please also refer to Fig. 6, it is the format description figure of the color display data of preferred embodiment of the present invention, with a daughter element is example, screen video control display system 10 is preceding nibble (4bits) with the group number of daughter element, is numbered back nibble (4bits) with the color index of its foreground correspondence and merges into first byte (8bits).Simultaneously, also corresponding with the back scenery of this daughter element color index of the preceding nibble of this daughter element is numbered later half byte and merges into second byte.It should be noted that in this preferred embodiment, it only is one for example that group number and color index numbering is respectively used 4 data volume, also can use 8 even 16 s' data length, is not in order to limit category of the present invention.
At last, can be according to first byte and second byte in toning, to consult colour component respectively, in order to the color (step 411) of display element.Wherein, system 10 finds out corresponding group number and color index numbering according to the value of first byte, finds out corresponding R, G, the B color data color with the display foreground look according to the color index numbering to color saucer again.Equally, comply with the value of second byte to show the color of back scenery.
Shown in Fig. 7 A and Fig. 7 B, its in the preferred embodiment of the present invention about the color video data byte of the forward and backward scenery of the daughter element of activity and inactive state.As seen from the figure, the foreground color index of the daughter element of active state (G=1010) is numbered 0000 (color saucer of contrast Fig. 4 is for red), and back scenery color index is numbered 1111 (bluenesss); The foreground color index of the daughter element of inactive state (G=0000) is numbered 0000 (color saucer of contrast Fig. 4 is for blue), and back scenery color index is numbered 1111 (redness).Therefore, by the group number that changes daughter element, and the fixed color index number, utilize R, G, the B color data that exchanges the color index numbering again, when making the state change of element, only change the group number of element, can reach the effect of color displacement.
Setting menu with general DVD is an example, please refer to Fig. 5, and ground floor menu 20 has comprised that general setting, loud speaker are set, DOLBY DIGITAL is set, Dolby Surround is set, six projects such as setting and default value setting of playing Karaoka.The literal color of these six projects shows the part that belongs to foreground, for simplifying the performance of color, can give identical color index numbering 0h (0000b).But 201 to 206 of its textboxs are the demonstrations of back scenery, have identical color index numbering Fh (1111b) equally.System 10 and default literal " are generally set ", are reached textbox 201 and be default active state, according to Fig. 4, its group number will be Ah (1010b), therefore, the color video data of the word segment of " the general setting " will be A0h (10100000b), the color display data of textbox 201 will be AFh (10101111b), and the color video data of remaining five project will be 00h (00000000b) about word segment, and textbox then is 0Fh (00001111b).So according to shown in Figure 4, textbox 201 will show that remaining textbox then shows with redness with blueness.
When user's desire is set loud speaker, can utilize remote controller key or mouse moving will make " loud speaker setting " this piece textbox light.At this moment, according to method of the present invention, the color video data of " loud speaker setting " word segment will change to A0h by 00h, and the color display data of textbox 202 will become AFh by 0Fh.Relatively, the color display data becomes 00h by A0h to literal in the former textbox 201 " the general setting ", and textbox 201 colors become 0Fh by AFh.
If when entering following one deck menu (second layer menu 22) of " loud speaker setting " again, the color video data of " loud speaker setting " word segment will change to B0h (its group number is to become selected state B by active state A) by A0h, and the color display data of textbox 202 will become BFh by AFh.In addition, the color video data of " center loudspeaker " (default active state project) word segment will change to A0h by 00h, and the color display data of textbox 221 will become AFh by 0Fh, all the other color video datas with four projects (inactive state) of menu will be 00h about word segment, and textbox then is 0Fh.If still lower floor's menu is arranged, then will carry out the setting of color video data according to above-mentioned rule.
Though the present invention illustrates as above with preferred embodiments, so it is not in order to limit the present invention's spirit and invention.Therefore, the modification of being done under the prerequisite that does not break away from spirit of the present invention and scope all should be included in the scope of claim of the present invention.
Claims (9)
1. the method for a displaying color in screen video control, in order to control the display color of a screen video control display system, wherein this screen video control display system comprises a ground floor menu with at least one daughter element at least, and this daughter element is made up of a foreground and a back scenery at least, the color table of comparisons of this method institute reference comprises a plurality of group number, a plurality of color index numbering and a plurality of color component value, and the method includes the steps of:
Produce a foreground and read byte, wherein this foreground reads byte and reads the preceding nibble of byte with this group number of this daughter element for this foreground, is numbered the back nibble that this foreground reads byte with the color index of this foreground;
Produce a back scenery and read byte, wherein to read byte be the preceding nibble that this back scenery reads byte with this group number of this daughter element to this back scenery, is numbered the back nibble that this back scenery reads byte with the color index of this back scenery;
Utilize this foreground to read byte to read this foreground of this element in this color table of comparisons; And
Utilize this back scenery to read byte reading this back scenery of this element in this color table of comparisons,
Wherein, according to the variation of each elementary state in the menu, the foreground that changes each element reads byte and reads corresponding group number in the byte with the back scenery, and keeps corresponding color index to number constant.
2. the method for claim 1, this foreground of wherein above-mentioned daughter element is the color of word segment.
3. the method for claim 1, this back scenery of wherein above-mentioned daughter element are the color of textbox part.
4. the method for claim 1, wherein utilize this foreground to read byte and more may further comprise the steps with this foreground that reads this element in this color table of comparisons:
This foreground of cutting this daughter element reads byte and consists of the preceding nibble of this daughter element foreground and the back nibble of this daughter element foreground; And
The preceding nibble of this daughter element foreground and this group number of this color table of comparisons are compared, and after comparing successfully, this color index numbering of the back nibble of this daughter element foreground and this color table of comparisons is compared, in order to the color component value of this foreground of reading this daughter element.
5. the method for claim 1, wherein utilize this back scenery to read byte and more may further comprise the steps with this back scenery that reads this element in this color table of comparisons:
This back scenery that cuts this daughter element reads the back nibble that hyte becomes scenery after the preceding nibble of scenery after this daughter element and this daughter element; And
The preceding nibble of scenery after this daughter element and this group number of this color table of comparisons are compared, and after comparing successfully, this color index numbering of the back nibble of scenery after this daughter element and this color table of comparisons is compared, in order to the color component value of this back scenery of reading this daughter element.
6. the method for claim 1, daughter element wherein can comprise at least one grandson's element, and this Sun Yuansu is made up of a foreground and a back scenery at least.
7. method as claimed in claim 6 also comprises the method that this Sun Yuansu color of control shows, comprises:
Produce a foreground and read byte, wherein to read byte be to read the preceding nibble of byte with this group number of this Sun Yuansu for this foreground to this foreground, is numbered the back nibble that this foreground reads byte with the color index of this foreground;
Produce a back scenery and read byte, wherein to read byte be that this group number with this Sun Yuansu is the preceding nibble that this back scenery reads byte to this back scenery, is numbered the back nibble that this back scenery reads byte with the color index of this back scenery;
Utilize this foreground to read byte to read this foreground of this element in this color table of comparisons; And
Utilize this back scenery to read byte to read this back scenery of this element in this color table of comparisons.
8. method as claimed in claim 7, wherein utilize this foreground to read byte and more may further comprise the steps with this foreground that reads this element in this color table of comparisons:
This foreground of cutting this Sun Yuansu reads hyte becomes the preceding nibble of this grandson, element foreground and the back nibble of this Sun Yuansu foreground; And
The preceding nibble of this Sun Yuansu foreground and this group number of this color table of comparisons are compared, and after comparing successfully, this color index numbering of the back nibble of this Sun Yuansu foreground and this color table of comparisons is compared, in order to the color component value of this foreground of reading this Sun Yuansu.
9. method as claimed in claim 7, wherein utilize this back scenery to read byte and more may further comprise the steps with this back scenery that reads this element in this color table of comparisons:
This back scenery that cuts this Sun Yuansu reads the back nibble that hyte becomes scenery behind the preceding nibble of scenery behind this Sun Yuansu and this Sun Yuansu; And
The preceding nibble of scenery behind this Sun Yuansu and this group number of this color table of comparisons are compared, and after comparing successfully, this color index numbering of the back nibble of scenery behind this Sun Yuansu and this color table of comparisons is compared, in order to the color component value of this back scenery of reading this Sun Yuansu.
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