CN101078982A - Screen display method based on drawing engine - Google Patents
Screen display method based on drawing engine Download PDFInfo
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- CN101078982A CN101078982A CN 200610084457 CN200610084457A CN101078982A CN 101078982 A CN101078982 A CN 101078982A CN 200610084457 CN200610084457 CN 200610084457 CN 200610084457 A CN200610084457 A CN 200610084457A CN 101078982 A CN101078982 A CN 101078982A
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Code description 1: the method that the system message hook is set |
/ * * * defining variable is used to preserve former graphic plotting interface IP address */PIC_DRAW_INTERFACE oldDrawInterface; / * * * defining variable is used to preserve former attribute interface IP address */PIC_SETUP_INTERFACE oldSetupInterface is set; / * * * define system message hook processing procedure, former graphic plotting interface IP address of preservation and attribute are provided with interface IP address */void MSGHandler0 (Handle proc in this process, int msg) // judgement process title if (proc==p2) // with graphic plotting interface of realizing again and attribute interface is set to replace original interface realization, and preserve original interface IP address oldDrawInterface=SetDrawInterfaceHook (newDrawInterface); OldSetupInterface=SetSetupInterfaceHook (newSetupInterface); Code description 2 is seen in the definition of //newDrawInterface and newSetupInterface } }/* * * calling system application programming interfaces, import the MSGHandler0 of above-mentioned definition into, be provided with system hook */SetWindowHook (MSGHandler0, GET_MESSAGE); |
Again graphic plotting interface and the attribute realized among the code description 2:Implement are provided with interface |
Graphic plotting interface */void newDrawInterface that/* * * definition is new, () { // the area information Area area=p1.getArea of p1 obtained, (); Each some for (Point point:area) on the zone of // traversal // obtain the pixel Pix pix_p1=p1.getPix (point) that p1 goes up this position; // obtain the pixel Pix pix_p2=p2.getPix (point) that p2 goes up this position; // according to synthetic these two the pixel Pix pix_mix=blend of α channel value (alpha) and logical brightness value (diapha) (pix_p1, pix_p2, alpha, diapha); // with the point of p2 original position override p2.setPix (point, pix_mix); } // call former engine graphic plotting interface output image oldDrawInterface (); }/* * * * defines new setup of attribute interface */void newSetupInterface (DEVPARAM Parem) { // modification rendering parameter if (Parem.DrawMode unequal to COPY_MODE) // when finding that drawing mode is " non-copy mode ", be " copy mode " Parem.DrawMode=COPY_MODE with parameter modification; The former interface of } // call is finished attribute oldSetInterface (Parem) is set; } |
Code description 3: shielding P2 loses focus message |
/ * * * realizes a window message processing procedure */void MSGHandler2 (int msg) { switch (msg) { case LOST_FOCUS:return in p2; // intercept and capture p2 lose focus message, make processing procedure end default:break; } // with the untouched former processing process oldMSGHandler2 (msg) that returns of out of Memory; }/* * * replaces with the window message processing procedure of p2 the MSGHandler2 of above-mentioned definition, preserve original message processing procedure */HANDLER oldMSGHandler2=SetWindowLong (p2.getWindow () simultaneously, TYPE_MSG, MSGHandler2); |
Code description 4: the related news processing procedure of definition P1 |
/ * * * realizes a window message processing procedure */void MSGHandler1 (int msg) { switch (msg) { case WIN_MOVE:case WIN_RESIZE:p1.setArea () in p1; Reset the window area data case WIN_PAINT:case WIN_PRINT:p1.updateFace () of p1 when // user moving window position or change window size; When causing windows content to change, // user operation upgrades the window displaying contents break of p1; Default:break; The former processing process of } // call oldMSGHandler1 (msg); }/* * * replaces with the window message processing procedure of p1 the MSGHandler1 of above-mentioned definition, preserve original message processing procedure */HANDLER oldMSGHandler1=SetWindowLong (p1.getWindow () simultaneously, TYPE_MSG, MSGHandler1); |
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CNB2006100844570A CN100451956C (en) | 2006-05-24 | 2006-05-24 | Screen display method based on drawing engine |
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Cited By (13)
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CN102231858A (en) * | 2011-06-03 | 2011-11-02 | 深圳创维数字技术股份有限公司 | Window processing method and apparatus of digital television |
CN102662999A (en) * | 2012-03-15 | 2012-09-12 | 北京视博云科技有限公司 | Method, device and system for providing multimedia application data |
CN102948160A (en) * | 2010-06-16 | 2013-02-27 | 晶像股份有限公司 | Mechanism for memory reduction in picture-in-picture video generation |
CN103647879A (en) * | 2013-12-11 | 2014-03-19 | 珠海市魅族科技有限公司 | Method for displaying application content the terminal thereof |
CN103688239A (en) * | 2011-03-02 | 2014-03-26 | 朴宰贤 | Method for controlling drawing action using transparent window |
CN105597321A (en) * | 2015-12-18 | 2016-05-25 | 武汉斗鱼网络科技有限公司 | Barrage display method and system in full-screen game state |
CN106658056A (en) * | 2016-12-01 | 2017-05-10 | 中央电视台 | Nonlinear editing system, device and method |
WO2018121557A1 (en) * | 2016-12-27 | 2018-07-05 | 北京奇虎科技有限公司 | Live broadcast data display method, device, program and medium |
WO2018121556A1 (en) * | 2016-12-27 | 2018-07-05 | 北京奇虎科技有限公司 | Live broadcast data processing method, apparatus, program and medium |
CN109375980A (en) * | 2018-10-29 | 2019-02-22 | 四川长虹教育科技有限公司 | Touch-control drawing practice based on Andriod system |
CN110290269A (en) * | 2019-06-26 | 2019-09-27 | 努比亚技术有限公司 | Display control method, mobile terminal and computer readable storage medium |
CN110471700A (en) * | 2019-08-06 | 2019-11-19 | Oppo广东移动通信有限公司 | Graphic processing method, device, storage medium and electronic equipment |
CN111489429A (en) * | 2020-04-16 | 2020-08-04 | 诚迈科技(南京)股份有限公司 | Image rendering control method, terminal device and storage medium |
Family Cites Families (4)
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JPH09179713A (en) * | 1995-12-21 | 1997-07-11 | Mitsubishi Electric Corp | Window display system and data processing system |
CN1183751C (en) * | 2000-01-20 | 2005-01-05 | 数码广播有限公司 | Method and device for implementing picture-in-picture of stock quotation |
KR20020068134A (en) * | 2001-02-20 | 2002-08-27 | 엘지전자주식회사 | Method for displaying PIP of a digital TV |
US7487460B2 (en) * | 2003-03-21 | 2009-02-03 | Microsoft Corporation | Interface for presenting data representations in a screen-area inset |
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Cited By (18)
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CN102948160A (en) * | 2010-06-16 | 2013-02-27 | 晶像股份有限公司 | Mechanism for memory reduction in picture-in-picture video generation |
CN102948160B (en) * | 2010-06-16 | 2017-07-18 | 美国莱迪思半导体公司 | The mechanism of memory reduction in being generated for PIP video |
CN103688239A (en) * | 2011-03-02 | 2014-03-26 | 朴宰贤 | Method for controlling drawing action using transparent window |
CN103688239B (en) * | 2011-03-02 | 2016-07-06 | 朴宰贤 | Utilize the control method of the plotting motion of transparent window |
CN102231858A (en) * | 2011-06-03 | 2011-11-02 | 深圳创维数字技术股份有限公司 | Window processing method and apparatus of digital television |
CN102662999A (en) * | 2012-03-15 | 2012-09-12 | 北京视博云科技有限公司 | Method, device and system for providing multimedia application data |
CN103647879A (en) * | 2013-12-11 | 2014-03-19 | 珠海市魅族科技有限公司 | Method for displaying application content the terminal thereof |
CN105597321A (en) * | 2015-12-18 | 2016-05-25 | 武汉斗鱼网络科技有限公司 | Barrage display method and system in full-screen game state |
CN105597321B (en) * | 2015-12-18 | 2020-07-10 | 武汉斗鱼网络科技有限公司 | Bullet screen display method and system in full-screen game state |
CN106658056B (en) * | 2016-12-01 | 2020-03-17 | 中央电视台 | Nonlinear editing system, device and method |
CN106658056A (en) * | 2016-12-01 | 2017-05-10 | 中央电视台 | Nonlinear editing system, device and method |
WO2018121557A1 (en) * | 2016-12-27 | 2018-07-05 | 北京奇虎科技有限公司 | Live broadcast data display method, device, program and medium |
WO2018121556A1 (en) * | 2016-12-27 | 2018-07-05 | 北京奇虎科技有限公司 | Live broadcast data processing method, apparatus, program and medium |
CN109375980A (en) * | 2018-10-29 | 2019-02-22 | 四川长虹教育科技有限公司 | Touch-control drawing practice based on Andriod system |
CN109375980B (en) * | 2018-10-29 | 2021-10-15 | 四川长虹教育科技有限公司 | Touch drawing method based on Andriod system |
CN110290269A (en) * | 2019-06-26 | 2019-09-27 | 努比亚技术有限公司 | Display control method, mobile terminal and computer readable storage medium |
CN110471700A (en) * | 2019-08-06 | 2019-11-19 | Oppo广东移动通信有限公司 | Graphic processing method, device, storage medium and electronic equipment |
CN111489429A (en) * | 2020-04-16 | 2020-08-04 | 诚迈科技(南京)股份有限公司 | Image rendering control method, terminal device and storage medium |
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