graphic drawing program

Package three.day.frame; Import java.awt.*;Import java.awt.event.*;Import java.awt.geom.*;Import java.io.*;Import java.util.*;Import javax.swing.*; Class Point1 implements Serializable {int x, position of y;//mouseColor col;//Paint Selected colorsint tool;//Paint Select which graphic to drawint boarder;//line width Point1 (int x, int y, Color col, int tool, int boarder) {this.x = x;This.y = y;This.col = col;This.tool = tool;This.boarder = boarder;}}

Fragmentshadercode = "precision mediump float;" + " uniform vec4 Vcolor; " + "void Main () {" + "Gl_fragcolor = Vcolor;" + ; ...}The renderer contains OpenGL rendering language code that must first be compiled in the OpenGL ES environment. In order to compile the code, you need to create a functional method in the Renderer class:publicstaticintloadShader(int type, String shaderCode){ // create a vertex shader type (GLES20.GL_VERTEX_SHADER) // or a fragment shader type (GLES20.GL_

transformation matrix and use it to draw the Billboard object:(the code here has a small error, and the following has been corrected.) )g_pd3ddevice = pre-initialized Deviceobjectd3dxmatrix Mattrans, Matworld, Mattranspose; Get the current Direct3D view Matrixg_pd3ddevice->gettransform (D3dts_view,mattranspose); Get The billboard ' s rotation matrix. D3dxmatrixtranspose (mattranspose,mattranspose); Create the mesh ' s translation matrixd3dxmatrixtranslation (mattrans,xcoord, Ycoord, Zcoord); Mu

Technology implementation3) method invocation4) ShowSix pie chart implementation 1) key technology implementation2) method invocation3) ShowSummarizeIt looks very simple, all the drawing methods are concentrated, in the future we need to use it will not be so troublesome.Download Program source code: http://download.csdn.net/detail/baihuaxiu123/9498733Blog Address: http://blog.csdn.net/baihuaxiu123Jane Boo

set ZF to a higher value in your project, if you want to draw objects that are more than 1000.0 units long.After you have constructed the projection matrix, you use the Idirect3ddevice9::settransform function to set the projection transformation matrix, and this time set the state parameter to D3dts_projection:g_pd3ddevice =pre-initialized device Objectd3dxmatrix matproj; Create theprojection Transformation Matrixd3dxmatrixperspectivefovlh (MATPROJ,D3DX_PI/4, 1.0f, 1000.0f,); Set the Projection

of these sections are finally finished. Perhaps the reader is not very clear, especially the meaning of the specific parameters of the function. In fact, you can refer to the SDK documentation, or refer to the second edition of Dragon Book. In addition, the method used here to set the vertex is not used in my updated version of the code, but with the second version of the Dragon book more advanced, more flexible way, so see not very understand also has no relationship.DirectX 9.0c Game Developm

Direct3D to update the entire display (because the function can show only a portion at a time), as shown in the following code:g_pd3ddevice =pre-initialized device objectif (FAILED (g_pd3ddevice->present (null,null, NULL, NULL))) { // Error occurred}That's it! In order to create more realistic scenes, you use a number of different vertex caches to draw a variety of mid-range objects in your world. Another way to improve the authenticity of your graphics is to use texture mapping.============

Graphic context explanation of Quartz-2D drawing, quartz-2d Context The previous article roughly described the things in Quartz, but did not talk about the specific implementation details and how to call the corresponding API. This article describes the specific operations of the graphic Context. The so-called Graphics Context represents a

value of the initial decision parameter number isCalculates the increment of subsequent decision parameters toThe pixel points generated along this line path are shown in Figure 3.12.The implementation of the Bresenham line algorithm with slope 0 #include by considering the symmetry between the eight and four regions of the XY plane, the Bresenham algorithm is universal for any slope segment. For a line segment with a positive slope and greater than 1.0, as long as the rules for the X and Y dir

Windows Programming _ sun Xin C ++ lesson10 graphic drawing and various dialog boxes Highlights of this section:1. Drawing2. graphic drawing parameter settings3. coloring of the dialog box Control4. Create a self-drawn button5. Texture operations (display bitmap to view)//************************************** ********

values of the source rectangle region with the color of a particular pattern by using the Boolean or (or) operator. The or (or) operator is then used to merge the result of the operation with the color within the target rectangle area. Patinvert: Merges the colors within the source and destination rectangular regions by using the XOR operator. Srcand: Merges the colors in the source and destination rectangular areas by using the and (with) operator. Srccopy: Copies the source rectangle area dir

The end of the graphic display is such a plan, the choice of classification and host after the default display is 1 days of graphics, click on the default of a graph and then again show the Monitor item 1 days, 1 weeks, January, 1 years of graphics, reference cacti. The display of the default graphic has been completed in the 5th view function (PNGs is the PNG image path passed to the template) and the tem

-point increment, the accumulation of rounding error causes the pixel position calculated for the longer segment to deviate from the actual segment. And the rounding and floating-point operations in the process are still time consuming. We can improve the performance of the DDA algorithm by separating the increment m and 1/m into integers and fractional parts, so that all calculations are simplified to integer operations. The method of calculating 1/m increments with integer steps is discussed l

Sample Code for drawing a graphic pattern effect implemented by css3, and css3 graphics Sample Code for drawing a graphic pattern by css3:If css2 is used to draw a graphic pattern, it is almost impossible, or a very simple pattern can be obtained with great effort. The emerg

++) {Context.beginpath (); Context.arc (25*i,25*i,i*10,0,math.pi*2,true); Context.closepath (); Context.fillStyle = ' Rgba (255,0,0,0.25) '; Context.fill ();}Draw a lineContext.beginpath (); The starting point of the path, set this point is mainly to prevent subsequent staining affecting the previous part of the context.strokestyle= "black"; Sets the thickness and color of the line Context.linewidth=10;context.moveto (20,20); Set line start, E

the Central line requirements In mechanical engineering drawing, the National drawing standard (GB/t 4457.4-2002) provides a detailed specification of the representation of the Central line, as shown in Figure 1, fig. 2. Principle and method of realizing center line drawing quickly AutoCAD has 11 drop-down menus and 30 toolbars, and its common internal comm

Now there are more and more free (JS chart) JavaScript graph drawing plugin on the network. I previously made a complex graphic for a website, and we used Highchart. During that time, there were not many plugins to choose from. But now that's different, it's easy to find a lot of very good charting libraries. Personally, the rise of such plugins is due to:1. Flash used to be the best solution, but many peop

Now there are more and more free (JS chart) JavaScript graph drawing plugin on the network. I previously made a complex graphic for a website, and we used Highchart. During that time, there were not many plugins to choose from. But now that's different, it's easy to find a lot of very good charting libraries. Personally, the rise of such plugins is due to:1. Flash used to be the best solution, but many peop

When making a variety of flowcharts, you usually need to enter the corresponding text in the graphic. Let's learn how to insert text in a drawing. Take a look at the company recruitment flowchart shown in Figure 1 for an example. (1) Drawing flow chart Step 1th, click the Insert tab, click the Shape button, and select the rounded rectangle shape in

Doing is trying to draw a rectangle with the basic drawing function, you can use the Drawnode in Cocos2d-js 3.0. var New cc. Drawnode (); var ltp = CC.P (0, +); var rbp = CC.P (0); Dn.drawrect (LTP, RBP, Cc.color (255, 0, 0));Add the Drawnode to the layer.this. AddChild (DN)The drawing operation on the DN is recorded into an internal buffer containing information about each ope