CN1063858C - Image synthesis device and method - Google Patents
Image synthesis device and method Download PDFInfo
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- CN1063858C CN1063858C CN94115281A CN94115281A CN1063858C CN 1063858 C CN1063858 C CN 1063858C CN 94115281 A CN94115281 A CN 94115281A CN 94115281 A CN94115281 A CN 94115281A CN 1063858 C CN1063858 C CN 1063858C
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Abstract
The present invention relates to an image synthesis device which comprises an initial position register, an end position register, a level displacement register, a vertical displacement register, a first adder, a second adder, a horizontal position display device, a position comparator, an image display control device, a memory and a memory reading device. In a method of the present invention, after outer frame data is read out of the memory, a memory address is generated by the memory reading device corresponding to each scanning line according to the base position of the outer frame data, the vertical position of a screen, and the vertical displacement amount; consequently, the horizontal initial position and the horizontal end position of the scanning line can be automatically read in, and a position indication signal is output through the position comparator so as to generate graphic output.
Description
The present invention relates to a kind of image synthesizer and method.
At present, image generator in the general electronic game machine all is that graph data is left in the storer, reads graph data by image generator again, and output is presented on the TV screen, therefore if wish to get better and more lively image effect, then need the bigger storer of use capacity.But for some simple images, for example hide from view figure aperture that figure or blast produce etc. for what change the screen display area size, these images are all quite simple, there is not complicated graphic color, so if the mode of these images with the general figures image is stored in the storer, then can occupy too many storage space, make cost relatively improve.In order to improve this shortcoming, can utilize the outer frame data of image to come display image, so just can store the graph data of entire image, and only deposit the outer frame data of image, use and save required memory span.Yet this method is under the constant situation of figure, if the interior all outer frame datas of storer still must be rewritten in the position of wanting mobile graphics, and has influence on the effect of instant playback.
In view of this, for improving its shortcoming, an object of the present invention is to provide a kind of image synthesizer and method, it can utilize the outer frame data of image to come display image, uses and reduces required memory span, reduces the manufacturing cost of image synthesizer.
Another object of the present invention provides a kind of image synthesizer and method, and it can make shown image can move freely, and uses the variation that increases display frame.
Image synthesizer of the present invention comprises: an initial position working storage, in order to the start position data of store images housing; One final position working storage is in order to the final position data of store images housing; One horizontal level generation device is in order to produce a horizontal level signal corresponding to the horizontal level at screen scanning line place; One position comparer is in order to the position data and the aforementioned levels position signalling of comparison of aforementioned image housing; One horizontal shift apparatus for temporary storage, in order to the storage level displacement data, these horizontal shift data can be before the position comparer compares, respectively with aforementioned start position data and the addition of final position data or earlier and the addition of aforementioned levels position signalling earlier; One perpendicular displacement apparatus for temporary storage stores vertical offset data; One image display control apparatus, in order to the comparative result of foundation aforementioned location comparer, the view data of control output; One storage reading apparatus, its utilize a screen upright position and vertical offset data as index to read the outer frame data in the storer; And a storer, in order to store outer frame data.Wherein, the outer frame data in aforementioned reference position working storage and the final position working storage can be write direct or read in from storer by central processing unit.So, software design personnel can select to use bigger storer or utilize more program execution time to go to carry out complicated program, and to obtain same effect, this on the implementation certainly selection is omissible.
The method of utilizing image synthesizer composograph of the present invention is that following several operator scheme is arranged, and each is variant because of the difference of the generation of outer frame data and storing mode for it.First kind of mode comprises that step is as follows: (1) storage reading apparatus is according to the substrate working storage, and screen upright position generator and perpendicular displacement working storage produce a storer address; (2) storer is delivered to outer frame data in the working storage of position according to aforesaid storer address; (3) content of horizontal shift working storage is added the interior perhaps horizontal level of a horizontal scanning line of position working storage; (4) then utilize the content of a position comparer comparison position working storage and the horizontal level of horizontal scanning line again, use producing a position indicative signal, and produce figure output according to this.In said method, if change horizontal shift working storage and perpendicular displacement working storage, just removable figure.
The method of second kind of composograph and aforementioned first method are similar, for no other reason than that storage reading apparatus only produces the storer address according to the substrate working storage in the method, so desire mobile graphics, need to rewrite storer again between the replacing sweep trace.
The method of the third composograph comprise the following steps: (1) by a central processing unit directly with in the outer frame data writing position working storage; (2) content of horizontal shift working storage is added the interior perhaps horizontal level of a horizontal scanning line of position working storage; (3) then utilize the content of a position comparer comparison position working storage and the horizontal level of horizontal scanning line again, use producing a position indicative signal, and produce figure output according to this.In said method, mobile graphics need change the content of rewriting the position working storage between the sweep trace again.
In order to be illustrated more clearly in method of the present invention, device and feature, conjunction with figs. describes preferred embodiment in detail as back now:
The simple declaration of accompanying drawing:
Fig. 1 is the block scheme of a preferred embodiment of explanation image synthesizer of the present invention;
Fig. 2 is the block scheme of another preferred embodiment of explanation image synthesizer of the present invention;
Fig. 3 is the block scheme of the image display control apparatus among explanation the present invention;
Fig. 4 is the block scheme of storer address synthesizer among explanation the present invention;
Fig. 5 a is a clock signal figure who shows when enforcement is of the present invention;
Fig. 5 b is another clock signal figure that shows when enforcement is of the present invention.
The present invention is an image synthesizer, and it produces image via the outer frame data that view data comprised, and outer frame data is to comprise reference position and the final position of view data on each horizontal scanning line of screen.See also Fig. 1, image synthesizer of the present invention comprises: an initial position working storage 10, in order to store the start position data of aforementioned housing on a horizontal scanning line; One final position working storage 20 is in order to store the final position data of aforementioned housing on the aforementioned levels sweep trace; One horizontal shift apparatus for temporary storage 30 is in order to store horizontal shift data; One first adder 41 in order to receiving aforementioned start position data and aforementioned levels displacement data, and is output as primary importance data after addition; One second adder 42 in order to receiving aforementioned final position data and aforementioned levels displacement data, and is output as a second place data after addition; One horizontal level display device 50 is in order to produce a horizontal level signal corresponding to the horizontal level of aforementioned sweep trace; One position comparer 60 whether between aforementioned primary importance data and aforementioned second place data, and is exported a position indicative signal VLD according to comparative result in order to comparison of aforementioned horizontal level signal; One image display control apparatus 70 in order to receive the position indicative signal VLD of aforementioned location comparer 60 inputs, is used the view data of control output.
Please consult Fig. 2 again, another preferred embodiment of image synthesizer of the present invention comprises: an initial position working storage 10, in order to store the start position data of aforementioned housing on a horizontal scanning line; One final position working storage 20 is in order to store the final position data of aforementioned housing on the aforementioned levels sweep trace; One horizontal shift apparatus for temporary storage 30 is in order to store horizontal shift data; One horizontal level display device 50 is in order to produce a horizontal level signal corresponding to the horizontal level of aforementioned sweep trace; One totalizer 43 in order to the horizontal shift data of reception aforementioned levels displacement apparatus for temporary storage 30 inputs and the horizontal level signal of aforementioned levels lever position indicator 50 inputs, and is output as one the 3rd position data after addition; One position comparer 60 whether between aforementioned start position data and aforementioned final position data, and is exported a position indicative signal VLD according to comparative result in order to comparison of aforementioned the 3rd position data; One image display control apparatus 70 in order to receive the position indicative signal of aforementioned location comparer 60 inputs, is used the view data of control output.
In aforesaid preferred embodiment, aforementioned location comparer 60 comprises: an initial position comparer 61; One final position comparer 62; One logical calculation device 65 can be one and lock or other equivalent logical circuit, is transformed into a position indicative signal VLD in order to the output with aforementioned reference position comparer 61 and final position comparer 62.And in the embodiment in figure 1, reference position comparer 61 is in order to comparison of aforementioned primary importance data and horizontal level signal, and final position comparer 62 is in order to comparison of aforementioned second place data and horizontal level signal.And in the embodiment of Fig. 2, reference position comparer 61 is in order to comparison of aforementioned the 3rd position data and start position data, and 62 of final position comparers are in order to comparison of aforementioned the 3rd position data and final position data.
See also Fig. 3, aforementioned image display control apparatus 70 comprises: a plurality of working storages 71 to 73, in order to deposit a color code signal, a transparent color code signal and an anti-white control signal REV respectively; One signal synthetic apparatus 74 in order to the position indicative signal VLD that receives aforementioned anti-white control signal REV and exported by the aforementioned location comparer, and is exported after it being synthesized a selection control signal CC; One color code selector switch 76, can be one and lock or other logical circuit the circuit formed, in order to receiving aforementioned color code signal and transparent color code signal, and be subjected to aforementioned selection control signal CC control to export a color code or transparent color code; Whether one transparent judgment means 78 can be a Sheffer stroke gate (NAND), be transparent in order to judge color, while and exportable one transparent indicator signal.Aforementioned color code and transparent indicator signal all export the power and position/colour mixture circuit (not being shown among the figure) of next stage to.Wherein, the content of aforementioned a plurality of working storage 71 to 73 is write direct by a central processing unit.
See also Fig. 1 and Fig. 2, wherein, the content of reference position working storage 10 and final position working storage 20 can be write direct or by reading in the storer 90 by central processing unit, so aforementioned reference position working storage 10 can comprise one first working storage 12 and one the 3rd working storage 11, aforementioned final position working storage 20 can comprise one second working storage 21 and one the 4th working storage 22.And the content of aforementioned first working storage 12 and second working storage 21 is to read from storer 90, and the content of aforementioned the 3rd working storage 11 and the 4th working storage 22 is then write direct by central processing unit.Because reference position working storage 10 and final position working storage 20 all respectively comprise a plurality of working storages, so must use an initial position selector 15 and a final position selector switch 25 from a plurality of working storages, to select output one an initial position and a final position.
When the content of reference position working storage 10 and final position working storage 20 when from storer 90, reading, see also Fig. 1 and Fig. 2, it more comprises a storage reading apparatus 80 and a storer 90.Storage reading apparatus 80 is to be connected with storer 90 via an address bus 81 and a data bus 91, and reads the outer frame data that stores in the storer 90 before horizontal scanning line begins to scan earlier.Its mode that reads then is to utilize the address synthesizer in the storage reading apparatus 80 to produce a storer address, and via address bus 81 this address is delivered in the storer 90, storer 90 is just sent the outer frame data of its correspondence according to the address that receives via data bus 91 then.See also Fig. 4, Fig. 4 shows the structure of aforementioned address synthesizer, and it comprises: a substrate working storage 82, in order to store the substrate location of outer frame data on storer; One screen upright position generation device 84 can be a counter, in order to produce upright position data with respect to the present position of sweep trace; One perpendicular displacement working storage 86 makes a perpendicular displacement amount of image vertical moving in order to storage; One arithmetic unit 85 is in order to the computing that aforementioned upright position data and aforementioned perpendicular displacement amount are carried out addition or subtracted each other; One address generation device 88 merges to produce a storer address in order to the output with aforementioned substrates working storage 82 and aforementioned arithmetic unit 85.Wherein, aforementioned arithmetic unit 85 can be carried out and add and subtract computing, uses the display effect that produces minute surface (Mirror).And the merging mode of the output of 88 pairs of substrate working storages 82 of aforementioned address generation device and arithmetic unit 85 can be addition, serial connection (cascade) or selects one of them output.
Clock signal relevant among the present invention is shown in Fig. 5 a and Fig. 5 b, and wherein, Fig. 5 a represents that anti-white control signal REV is the situation of electronegative potential, and Fig. 5 b represents that anti-white control signal is the situation of noble potential.See also Fig. 5 a, reference position signal START is the comparative result of expression reference position comparer 10 outputs, final position signal END is the comparative result of the output of expression final position comparer 20, VLD then is the position indicative signal that START signal and END signal are exported after 65 computings of process logical calculation device, in order to point out starting point and the terminating point of image housing on horizontal scanning line, COLOR represents the color code by 76 outputs of color code selector switch, TRANSPARENCY represents the transparent indicator signal by transparent judgment means 78 outputs, wherein, represent that it is transparent during for noble potential as TRANSPARENCY.Fig. 5 b is similar to Fig. 5 a, just causes transparent indicator signal anti-phase because of anti-white control signal is different, and causes exporting the change of color code data.
Though the present invention with the preferred embodiment explanation as above, so it is not in order to qualification the present invention, so protection scope of the present invention is as the criterion when looking the accompanying Claim scope person of defining.
Claims (21)
1, a kind of image synthesizer can synthesize this image according to the outer frame data of an image, and via a horizontal scanning mode image is shown on the screen, it is characterized in that this device comprises:
One initial position working storage is in order to store the start position data of aforementioned housing on a horizontal scanning line;
One final position working storage is in order to store the final position data of aforementioned housing on the aforementioned levels sweep trace;
One horizontal shift apparatus for temporary storage, the horizontal shift data that image level moved in order to storage;
One first adder in order to receiving aforementioned start position data and aforementioned levels displacement data, and is output as primary importance data after addition;
One second adder in order to receiving aforementioned final position data and aforementioned levels displacement data, and is output as a second place data after addition;
One horizontal level generation device is in order to produce a horizontal level signal corresponding to the horizontal level of aforementioned sweep trace;
One perpendicular displacement apparatus for temporary storage is used to store vertical offset data;
One storage reading apparatus, its utilize a screen upright position and vertical offset data as index to read the outer frame data in the storer;
One storer, in order to storing outer frame data,
One position comparer whether between aforementioned primary importance data and aforementioned second place data, and is exported a position indicative signal according to comparative result in order to comparison of aforementioned horizontal level signal;
One image display control apparatus in order to receive the position indicative signal of aforementioned location comparer input, is used the view data of control output.
2, device as claimed in claim 1, it is characterized in that the aforementioned location comparer be in order to a horizontal level relatively whether between the reference position and final position of housing, comprising:
One initial position comparer is in order to comparison of aforementioned primary importance data and aforementioned levels position signalling;
One final position comparer is in order to comparison of aforementioned second place data and aforementioned levels position signalling;
One logical calculation device is transformed into a position indicative signal in order to the output with aforementioned reference position comparer and final position comparer.
3, device as claimed in claim 1 is characterized in that aforementioned image display control apparatus comprises: a plurality of working storages, in order to deposit a color code signal, a transparent color code signal and an anti-white control signal respectively; One signal synthetic apparatus, in order to the position indicative signal that receives aforementioned anti-white control signal and export by the aforementioned location comparer, and after it being synthesized a selection control signal, export, one color code selector switch, in order to receiving aforementioned color code signal and aforementioned transparent color code signal, and be subjected to aforementioned selection control signal control to export a color code or a transparent color code.
4, device as claimed in claim 1 is characterized in that aforementioned reference position working storage comprises one first working storage, in order to store the start position data that reads from a storer; And aforementioned final position working storage comprises one second working storage, in order to store the final position data that read from aforementioned memory.
5, a kind of image synthesizer can synthesize this image according to the outer frame data of an image, and via a horizontal scanning mode image is shown on the screen, it is characterized in that comprising:
One initial position working storage is in order to store the start position data of aforementioned housing on a horizontal scanning line;
One final position working storage is in order to store the final position data of aforementioned housing on the aforementioned levels sweep trace;
One horizontal shift apparatus for temporary storage is in order to store the horizontal shift data that image level is moved;
One horizontal level generation device is in order to produce a horizontal level signal corresponding to the horizontal level of aforementioned sweep trace;
One totalizer in order to the horizontal shift data of reception aforementioned levels displacement apparatus for temporary storage input and the horizontal level signal of aforementioned levels position generation device input, and is output as one the 3rd position data after addition;
One perpendicular displacement apparatus for temporary storage is used to store vertical offset data;
One storage reading apparatus, its utilize a screen upright position and vertical offset data as index to read the outer frame data in the storer;
One storer is in order to store outer frame data.
One position comparer whether between aforementioned start position data and aforementioned final position data, and is exported a position indicative signal according to comparative result in order to comparison of aforementioned the 3rd position data;
One image display control apparatus is in order to receive the position indicative signal of aforementioned location comparer input, so as to the view data of control output.
6, device as claimed in claim 5, it is characterized in that the aforementioned location comparer be in order to a horizontal level relatively whether between the reference position and final position of housing, it comprises:
One initial position comparer is in order to comparison of aforementioned start position data and aforementioned the 3rd position data;
One final position comparer is in order to comparison of aforementioned final position data and aforementioned the 3rd position data;
One logical calculation device is transformed into a position indicative signal in order to the output with aforementioned reference position comparer and final position comparer.
7, device as claimed in claim 5 is characterized in that aforementioned image display control apparatus comprises: a plurality of working storages, in order to deposit a color code signal, a transparent color code signal and an anti-white control signal respectively; One signal synthetic apparatus, in order to the position indicative signal that receives aforementioned anti-white control signal and export by the aforementioned location comparer, and after it being synthesized a selection control signal, export, one color code selector switch, in order to receiving aforementioned color code signal and aforementioned transparent color code signal, and be subjected to aforementioned selection control signal control to export a color code or a transparent color code.
8, device as claimed in claim 5 is characterized in that aforementioned reference position working storage comprises one first working storage, in order to store the start position data that reads from a storer; And aforementioned final position working storage comprises one second working storage, in order to store the final position data that read from aforementioned memory.
9, as claim 3 or 7 described devices, it is characterized in that more comprising a transparent judgment means,, export a transparent indicator signal in order to when receiving aforementioned transparent color code.
10, as claim 4 or 8 described devices, it is characterized in that more comprising: a storer, in order to the outer frame data of store images; One address synthesizer, the housing memory of data address of desiring to read in order to generation; One address bus is sent in the aforementioned memory in order to the storer address that aforementioned address synthesizer is produced; One data bus is sent to aforementioned first working storage in order to the outer frame data that will produce corresponding to being sent to the storer address in the aforementioned memory by aforementioned address bus.
11, device as claimed in claim 10 is characterized in that aforementioned address synthesizer comprises: a substrate working storage, in order to store the substrate location of outer frame data; One screen upright position generation device is in order to produce upright position data with respect to the present position of sweep trace; One perpendicular displacement working storage makes a perpendicular displacement amount of image vertical moving in order to storage; One arithmetic unit is in order to the computing that aforementioned upright position data and aforementioned perpendicular displacement amount are carried out addition or subtracted each other; One address generation device merges to produce a storer address in order to the output with aforementioned substrates working storage and aforementioned arithmetic unit.
12,, it is characterized in that aforementioned reference position working storage more comprises one the 3rd working storage, in order to store the start position data that writes direct by a central processing unit as claim 4 or 8 described devices; Aforementioned final position working storage then more comprises one the 4th working storage, in order to store the final position data of being write direct by central processing unit.
13, device as claimed in claim 12, it is characterized in that more comprising an initial position selector, in order to the start position data of selecting aforementioned first working storage or the start position data of aforementioned the 3rd working storage and by an initial choice of location signal controlling with the start position data of exporting aforementioned first working storage or the start position data of aforementioned the 3rd working storage; An and final position selector switch, in order to selecting the content of aforementioned second working storage and aforementioned the 4th working storage, and select signal controlling with the final position data of exporting aforementioned second working storage or the final position data of aforementioned the 4th working storage by a final position.
14, a kind of image combining method, can be according to synthetic this image of the outer frame data of an image, and image is shown on the screen via a horizontal scanning method, it is applicable to an image synthesizer, this device comprises at least one group of reference position working storage, in order to store the reference position of aforementioned outer frame data; At least one group termination position working storage is in order to store the final position of aforementioned outer frame data; One horizontal shift working storage is in order to store the horizontal displacement of aforementioned image; One perpendicular displacement working storage is in order to store the perpendicular displacement amount of aforementioned image; First adder in order to receiving the output of an aforementioned reference position working storage and aforementioned levels displacement working storage simultaneously, and is output as primary importance data after addition; Second adder in order to receiving the output of an aforementioned final position working storage and aforementioned levels displacement working storage simultaneously, and is output as a second place data after addition; One horizontal level generation device is in order to respect to the horizontal level of one scan line on the screen and produce a horizontal level signal; One position comparer, in order to comparison of aforementioned horizontal level signal whether between aforementioned primary importance data and aforementioned second place data; One image display control apparatus is in order to receive the comparative result of aforementioned location comparer, the pictorial data of control output; One storer is in order to store aforementioned outer frame data; One storage reading apparatus, its utilize a screen upright position and perpendicular displacement amount as index reading the outer frame data in the aforementioned memory, and the reference position and the final position of outer frame data is stored in respectively in aforementioned reference position working storage and the aforementioned final position working storage; It is characterized in that in aforementioned memory, reading when outer frame data, corresponding to each bar sweep trace, the aforementioned memory reading device is given birth to a storer address according to a substrate location, aforementioned screen upright position and the perpendicular displacement volume production of outer frame data, to read in horizontal reference position and the horizontal final position on this sweep trace automatically, again through the position comparer relatively after output one position indicative signal, and produce figure output according to this, under this pattern, as long as the content of change horizontal shift working storage and perpendicular displacement working storage just can make figure move;
15, method as claimed in claim 14 is characterized in that, can add an initial position selector again, in order to select one group of output from aforementioned at least one group of reference position working storage; And a final position selector switch, in order to from the working storage of aforementioned at least one group termination position, to select one group of output.
16, a kind of image combining method, can be according to synthetic this image of the outer frame data of an image, and image is shown on the screen via a horizontal scanning method, it is applicable to an image synthesizer, this device comprises at least one group of reference position working storage, in order to store the reference position of aforementioned outer frame data; At least one group termination position working storage is in order to store the final position of aforementioned outer frame data; One horizontal shift working storage is in order to store the horizontal displacement of aforementioned image; One perpendicular displacement working storage is in order to store the perpendicular displacement amount of aforementioned image; First adder in order to receiving the output of an aforementioned reference position working storage and aforementioned levels displacement working storage simultaneously, and is output as primary importance data after addition; Second adder in order to receiving the output of an aforementioned final position working storage and aforementioned levels displacement working storage simultaneously, and is output as a second place data after addition; One horizontal level generation device is in order to respect to the horizontal level of one scan line on the screen and produce a horizontal level signal; One position comparer, in order to comparison of aforementioned horizontal level signal whether between aforementioned primary importance data and aforementioned second place data; One image display control apparatus is in order to receive the comparative result of aforementioned location comparer, the pictorial data of control output; One storer is in order to store aforementioned outer frame data; One storage reading apparatus, its utilize a screen upright position and perpendicular displacement amount as index reading the outer frame data in the aforementioned memory, and the reference position and the final position of outer frame data is stored in respectively in aforementioned reference position working storage and the aforementioned final position working storage; It is characterized in that when outer frame data when a central processing unit writes direct working storage, through the position comparer relatively after the outgoing position indicator signal, and produce figure output according to this, under this pattern, the mobile graphics need are rewritten aforementioned reference position working storage and final position working storage again at sweep trace between the stage of replacement content.
17, method as claimed in claim 16 is characterized in that adding an initial position selector again, in order to select one group of output from aforementioned at least one group of reference position working storage; And a final position selector switch, in order to from the working storage of aforementioned at least one group termination position, to select one group of output.
18, a kind of image synthesizing method, can be according to synthetic this image of the outer frame data of an image, and image is shown on the screen via a horizontal scanning mode, it is applicable to an image synthesizer, this device comprises at least one group of reference position working storage, in order to store the reference position of aforementioned outer frame data; At least one group termination position working storage is in order to store the final position of aforementioned outer frame data; One horizontal shift working storage is in order to store the horizontal displacement of aforementioned image; One perpendicular displacement working storage is in order to store the perpendicular displacement amount of aforementioned image; One horizontal level generation device is in order to respect to the horizontal level of one scan line on the screen and produce a horizontal level signal; One totalizer in order to the horizontal displacement that receives aforementioned levels displacement working storage output simultaneously and the horizontal level signal of aforementioned levels lever position indicator output, and is output as one the 3rd position data after addition; One position comparer, in order to comparison of aforementioned the 3rd position data whether between aforementioned start position data and aforementioned final position data; One image display control apparatus is in order to receive the comparative result of aforementioned location comparer, the pictorial data of control output; One storer is in order to store aforementioned outer frame data; One storage reading apparatus, its utilize a screen upright position and perpendicular displacement amount as index reading the outer frame data in the aforementioned memory, and the reference position and the final position of outer frame data is stored in respectively in aforementioned reference position working storage and the aforementioned final position working storage; It is characterized in that in aforementioned memory, reading when outer frame data, corresponding to each bar sweep trace, the aforementioned memory reading device is given birth to a storer address according to a substrate location, aforementioned screen upright position and the perpendicular displacement volume production of outer frame data, to read in horizontal reference position and the horizontal final position on this sweep trace automatically, again through the position comparer relatively after output one position indicative signal, and produce figure output according to this, under this pattern, as long as the content of change horizontal shift working storage and perpendicular displacement working storage just can make figure move;
19, method as claimed in claim 18 is characterized in that adding an initial position selector again, in order to select one group of output from aforementioned at least one group of reference position working storage; And a final position selector switch, in order to from the working storage of aforementioned at least one group termination position, to select one group of output.
20, a kind of image synthesizing method, can be according to synthetic this image of the outer frame data of an image, and image is shown on the screen via a horizontal scanning mode, it is applicable to an image synthesizer, this device comprises at least one group of reference position working storage, in order to store the reference position of aforementioned outer frame data; At least one group termination position working storage is in order to store the final position of aforementioned outer frame data; One horizontal shift working storage is in order to store the horizontal displacement of aforementioned image; One perpendicular displacement working storage is in order to store the perpendicular displacement amount of aforementioned image; One horizontal level generation device is in order to respect to the horizontal level of one scan line on the screen and produce a horizontal level signal; One totalizer in order to the horizontal displacement that receives aforementioned levels displacement working storage output simultaneously and the horizontal level signal of aforementioned levels lever position indicator output, and is output as one the 3rd position data after addition; One position comparer, in order to comparison of aforementioned the 3rd position data whether between aforementioned start position data and aforementioned final position data; One image display control apparatus is in order to receive the comparative result of aforementioned location comparer, the pictorial data of control output; One storer is in order to store aforementioned outer frame data; One storage reading apparatus, its utilize a screen upright position and perpendicular displacement amount as index reading the outer frame data in the aforementioned memory, and the reference position and the final position of outer frame data is stored in respectively in aforementioned reference position working storage and the aforementioned final position working storage; It is characterized in that when outer frame data when a central processing unit writes direct working storage, through the position comparer relatively after the outgoing position indicator signal, and produce figure output according to this, under this pattern, the mobile graphics need are rewritten aforementioned reference position working storage and final position working storage again at sweep trace between the stage of replacement content.
21, method as claimed in claim 20 is characterized in that, can add an initial position selector again, in order to select one group of output from aforementioned at least one group of reference position working storage; And a final position selector switch, in order to from the working storage of aforementioned at least one group termination position, to select one group of output.
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| CN94115281A CN1063858C (en) | 1994-09-16 | 1994-09-16 | Image synthesis device and method |
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| CN94115281A CN1063858C (en) | 1994-09-16 | 1994-09-16 | Image synthesis device and method |
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| CN1063858C true CN1063858C (en) | 2001-03-28 |
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Citations (3)
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| US4675842A (en) * | 1980-05-07 | 1987-06-23 | Szamitastechnikai Koordinacios Intezet | Apparatus for the display and storage of television picture information by using a memory accessible from a computer |
| US4755956A (en) * | 1985-11-01 | 1988-07-05 | Allied-Signal Inc. | Freeze frame apparatus for moving map display system |
| US4896283A (en) * | 1986-03-07 | 1990-01-23 | Hewlett-Packard Company | Iterative real-time XY raster path generator for bounded areas |
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1994
- 1994-09-16 CN CN94115281A patent/CN1063858C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675842A (en) * | 1980-05-07 | 1987-06-23 | Szamitastechnikai Koordinacios Intezet | Apparatus for the display and storage of television picture information by using a memory accessible from a computer |
| US4755956A (en) * | 1985-11-01 | 1988-07-05 | Allied-Signal Inc. | Freeze frame apparatus for moving map display system |
| US4896283A (en) * | 1986-03-07 | 1990-01-23 | Hewlett-Packard Company | Iterative real-time XY raster path generator for bounded areas |
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