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• Using C#, can you drag a canvas in WPF?

  - by TERACytE

  Can you drag a canvas in WPF? How do you set the position of the canvas? Here is what I got so far: /// xaml <Window x:Class="TestApp.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Height="350" Width="525" WindowStyle="None"…

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• Android browser touch events stop display being updated inc. canvas/elements - How to work around?

  - by Ed Kirk

  On some android's native browser touching the page seems to stop the display from being updated until the finger is released. This occurs for both html element based animation (switching classes) and for canvas based animation. It does not however stop normal js execution and other events are fired as normal. On devices with this problem the…

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• Detecting HTML5/CSS3 Features using Modernizr

  - by dwahlin

  HTML5, CSS3, and related technologies such as canvas and web sockets bring a lot of useful new features to the table that can take Web applications to the next level. These new technologies allow applications to be built using only HTML, CSS, and JavaScript allowing them to be viewed on a variety of form factors including tablets and phones.…

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• Detecting HTML5/CSS3 Features using Modernizr

  - by dwahlin

  HTML5, CSS3, and related technologies such as canvas and web sockets bring a lot of useful new features to the table that can take Web applications to the next level. These new technologies allow applications to be built using only HTML, CSS, and JavaScript allowing them to be viewed on a variety of form factors including tablets and phones.…

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• android spinning image

  - by user270811

  hi, i am trying to create two spinning wheels, as in pulleys, so everytime the attached rope moves, the two pulleys will rotate. i have tried two approaches: 1) use Matrix.postRotate within the onDraw() method of the View class, which calls the following: private void drawSpinningWheel(Canvas canvas) { try { …

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• error: expected `;' before '{' token - What is the cause?

  - by melee

  Here is my implementation file: using namespace std; #include <iostream> #include <iomanip> #include <string> #include <stack> //line 5 #include "proj05.canvas.h" //----------------Constructor----------------// Canvas::Canvas() //line 10 { Title = ""; Nrow = 0; Ncol = 0; image[][100]; //…

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• code for TouchPad works, but not for DPAD ...please help me to fix this..

  - by Chandan

  package org.coe.twoD; import android.app.Activity; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; //import android.graphics.Path; import android.graphics.Rect; //import android.graphics.RectF; import android.os.Bundle; //import android.util.Log;…

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• Can emsripten compile down to Canvas-based Js instead of WebGL?

  - by Sebastian Scholle

  I understand that emscripten compiles down LLVM to JS and it converts OpenGL Calls to WebGL. Thats a fairly simple translation. Is there a way to tell emscripten to use some other graphics Library ( for example Pixi JS ) for its rendering code translations? Is the compiled JS code easy to update or would it be better to…

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• WPF 3.5 WebBrowser control and ZIndex

  - by emsieja

  I'm trying to figure out why the control does not honor ZIndex. Example 1 - which works fine <Canvas> <Rectangle Canvas.ZIndex="1" Height="400" Width="600" Fill="Yellow"/> <Rectangle Canvas.ZIndex="2" Height="100" Width="100" Fill="Red"/> </Canvas> Example 2 - which does…

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• adding onTap method on path direction between 2 point

  - by idham

  I have a problem in my Android application I have a path direction on my application and I want to add an onTap method for the path, so if I touch that path my application will display information with alert dialog. This my activity code: hasilrute hr = new hasilrute(); for (int k = 0;k < hr.r2.size(); k++){…

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• How to rotate a drawable with anti-aliasing enabled

  - by Mike

  I need to rotate an ImageView by a few degrees. I'm doing this by subclassing ImageView and overloading onDraw() @Override protected void onDraw(Canvas canvas) { canvas.save(); canvas.scale(0.92f,0.92f); canvas.translate(14, 0); canvas.rotate(1,0,0); super.onDraw(canvas); …

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• Override onDraw to change how the drawing occurs (Android)

  - by Casebash

  I want to change how my UI elements display, so I am overriding onDraw. The following code allows me to change a View to be drawn using PorterDuff.Mode.DARKEN. Unfortunately, this method involves creating a bitmap the size of the entire screen, then drawing to it then drawing this large bitmap the…

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• Can't see anything wrong with simple code

  - by melee

  Here is my implementation file: using namespace std; #include <iostream> #include <iomanip> #include <string> #include <stack> //line 5 #include "proj05.canvas.h" //----------------Constructor----------------// Canvas::Canvas() //line 10 { Title = ""; Nrow = 0; …

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• How to store a captured image into MySQL database using JavaScript

  - by R J.

  I am capturing image using canvas and i want to store a captured image in MySQL Database using Javascript. This is my code: <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, maximum-scale=1.0"> …

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• How do I clip an image in OpenGL ES on Android?

  - by Maxim Shoustin

  My game involves "wiping off" an image by touch: After moving a finger over it, it looks like this: At the moment, I'm implementing it with Canvas, like this: 9Paint pTouch; 9int X = 100; 9int Y = 100; 9Bitmap overlay; 9Canvas c2; 9Rect dest; pTouch = new…

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• In html 5, how to positioning a div element on top of a canvas element?

  - by Unraised

  Hi. Can anyone help me: I'm trying to put a div (say, 10px by 10px) element on top (in front) of a canvas element (say 500px by 500px) in html. I have tried changing the z-index of each, to no avail. Does anybody have any ideas, or is it one of those things that you can't…

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• In C#, how do you send a refresh/repaint message to a WPF grid or canvas?

  - by xarzu

  How do you send a refresh message to a WPF grid or canvas? In other words, I have noticed while in debug mode, I can write code that sends a line to the display and then, if that line is not right, I can adjust it -- but the previous line is still there. Now, the code I…

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• 2D game - Missile shooting problem on Android

  - by Niksa

  Hello, I have to make a tank that sits still but moves his turret and shoots missiles. As this is my first Android application ever and I haven't done any game development either, I've come across a few problems... Now, I did the tank and the moving turret once I read…

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• Use XAML data binding to bind each end of a Line to the center of two shapes on a Canvas

  - by spoon16

  I have a Canvas in Silverlight with two ellipses on it. The ellipses are animated via events in the code behind. I have added a line two the canvas and I would like each end of the line to be bound to the center of each ellipse. Is it possible to do this in XAML…

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• Facebook application, how to check if inside Facebook canvas / standalone using PHP?

  - by Andree

  Hi there, I want to develop a Facebook connect application that can operate both inside a Facebook canvas or standalone. Can I check if the user is using Facebook canvas / not using the official Facebook PHP client library? Thanks, Andree

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• What is the difference between Canvas.SetTop(objFrameworkElement,10); and objFrameworkElement.SetVal

  - by Divya prakash

  I have a question . What is the difference between Canvas.SetTop(objFrameworkElement,10); and objFrameworkElement.SetValue(Canvas.TopProperty,20)

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• iframe widget: know which domains are iframing the canvas?

  - by Haroldo

  If i have a php generated widget canvas and site's using the widget iframe it with $_GET parameters, is there anyway to get the domain that's making the request to my canvas page (javascript/php?)? ie - stop people using my widget that don't have permission...

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• how to do android image animation

  - by user270811

  hi, i am trying to get a simple image animation going. i want to make it looks as if the helicopter's propeller blades are turning. i have 3 images for the helicopter, and i am showing one of these images depending on the animation progress. the problem is that…

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• Slow Javascript touch events on Android

  - by oneself

  I'm trying to write a simple html based drawing application (standalone simplified code attached bellow). I've tested this on the following devices: iPad 1 and 2: Works great ASUS T101 running Windows: Works great Samsung Galaxy Tab: Extremely slow and patchy…

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• How do I use setFilmSize in panda3d to achieve the correct view?

  - by lhk

  I'm working with Panda3d and recently switched my game to isometric rendering. I moved the virtual camera accordingly and set an orthographic lens. Then I implemented the classes "Map" and "Canvas". A canvas is a dynamically generated mesh: a flat quad. I'm…

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