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ob:visual:draw:en [2022/10/02 20:37]
iadenisov создано 		ob:visual:draw:en [2022/10/02 20:45] (текущий)
iadenisov
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 +====== Draw module ======
 +
 Module to create images to canvas of HTML5. Module to create images to canvas of HTML5.
  
-CONST +CONST\\ 
- black, white, red, green, blue;+ black, white, red, green, blue;\\
  Most common colors.  Most common colors.
  
 VAR VAR
- mouseX, mouseY, width, height: INTEGER; + mouseX, mouseY, width, height: INTEGER;\\ 
- focus: BOOLEAN; + focus: BOOLEAN;\\ 
- key: CHAR; + key: CHAR;\\ 
- keyCode: INTEGER; (* http://keycode.info *) + keyCode: INTEGER; (* http://keycode.info *)\\ 
- fontName: ARRAY 64 OF CHAR;+ fontName: ARRAY 64 OF CHAR;\\ 
 + 
 +**PROCEDURE Start**
  
-PROCEDURE Start 
 Opens a canvas and starts looping the procedure that was set by SetDrawProc.  Opens a canvas and starts looping the procedure that was set by SetDrawProc. 
  
-PROCEDURE NoLoop+**PROCEDURE NoLoop** 
 Stops looping the procedure that was set by SetDrawProc. Stops looping the procedure that was set by SetDrawProc.
  
-PROCEDURE Loop+**PROCEDURE Loop** 
 Reactivates the DrawProc looping that was stopped by NoLoop. Reactivates the DrawProc looping that was stopped by NoLoop.
  
-PROCEDURE Redraw+**PROCEDURE Redraw** 
 Calls only once the DrawProc procedure that was set by SetDrawProc. Calls only once the DrawProc procedure that was set by SetDrawProc.
  
-PROCEDURE ColorARGB (alpha, red, green, blue: INTEGER): INTEGER;+**PROCEDURE ColorARGB (alpha, red, green, blue: INTEGER): INTEGER;** 
 Make color code from four variables from 0-255. Make color code from four variables from 0-255.
  
  
-*** Setting up procedures for callbacks ***+===== Setting up procedures for callbacks ===== 
 + 
 + 
 +**PROCEDURE SetSetupProc(s: CallbackType);**
  
-PROCEDURE SetSetupProc(s: CallbackType); 
 Setting up a procedure for setting up a model. Setting up a procedure for setting up a model.
              
-PROCEDURE SetDrawProc(d: CallbackType);+**PROCEDURE SetDrawProc(d: CallbackType);** 
 Setting up a procedure for drawing. Setting up a procedure for drawing.
  
-PROCEDURE SetPressedProc(c: CallbackType);+**PROCEDURE SetPressedProc(c: CallbackType);** 
 Setting up a procedure for handling mouse clicks. Setting up a procedure for handling mouse clicks.
  
-PROCEDURE SetReleasedProc(c: CallbackType);+**PROCEDURE SetReleasedProc(c: CallbackType);** 
 Set up a procedure to handle mouse release. Set up a procedure to handle mouse release.
  
-PROCEDURE SetOutProc(c: CallbackType);+**PROCEDURE SetOutProc(c: CallbackType);** 
 Setting the procedure for the event of the cursor leaving the canvas. Setting the procedure for the event of the cursor leaving the canvas.
  
-PROCEDURE SetOverProc(c: CallbackType);+**PROCEDURE SetOverProc(c: CallbackType);** 
 Setting up a procedure for the event that the cursor appears over the canvas. Setting up a procedure for the event that the cursor appears over the canvas.
  
-PROCEDURE SetKeyPressedProc(c: CallbackType);+**PROCEDURE SetKeyPressedProc(c: CallbackType);** 
 Set up a procedure for a keypress event on a keyboard. Set up a procedure for a keypress event on a keyboard.
  
  
-*** Common ***+===== Common ===== 
 + 
 + 
 +**PROCEDURE SetFrameRate* (fps : INTEGER);**
  
-PROCEDURE SetFrameRate* (fps : INTEGER); 
 Specifies the number of frames per second (fps) to be displayed Specifies the number of frames per second (fps) to be displayed
 in the animation. If the processor is not fast enough to maintain in the animation. If the processor is not fast enough to maintain
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 The default rate is 60 frames per second.  The default rate is 60 frames per second. 
  
-PROCEDURE SetBackground(argb : INTEGER);+**PROCEDURE SetBackground(argb : INTEGER);**
  
-PROCEDURE SetSize(w, h : INTEGER);+**PROCEDURE SetSize(w, h : INTEGER);** 
 + 
 +**PROCEDURE Fill(argb : INTEGER);**
  
-PROCEDURE Fill(argb : INTEGER); 
 Sets the color used to fill shapes, incl. characters  Sets the color used to fill shapes, incl. characters 
  
-PROCEDURE NoFill;+**PROCEDURE NoFill;** 
 Disabl filling shapes. If NoFill are called, nothing will be drawn to the screen.  Disabl filling shapes. If NoFill are called, nothing will be drawn to the screen. 
 +**
 +PROCEDURE Stroke(argb : INTEGER);**
  
-PROCEDURE Stroke(argb : INTEGER); 
 Sets the color used to draw lines and borders around shapes.  Sets the color used to draw lines and borders around shapes. 
 +**
 +PROCEDURE NoStroke;**
  
-PROCEDURE NoStroke; 
 Disable drawing the stroke (outline) shapes. Disable drawing the stroke (outline) shapes.
 If NoStroke are called, nothing will be drawn to the screen.  If NoStroke are called, nothing will be drawn to the screen. 
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 PROCEDURE StrokeWidth(width : INTEGER); PROCEDURE StrokeWidth(width : INTEGER);
  
-PROCEDURE Smooth; +**PROCEDURE Smooth;** 
-PROCEDURE NoSmooth;+** 
 +PROCEDURE NoSmooth;** 
 Enables or disables Drawing all geometry with smooth (anti-aliased) edges. Enables or disables Drawing all geometry with smooth (anti-aliased) edges.
  
  
-*** Geometric figures ***+===== Geometric figures ===== 
  
 PROCEDURE Point(x0, y0: REAL); PROCEDURE Point(x0, y0: REAL);
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-*** Geometric shapes with integer arguments ***+===== Geometric shapes with integer arguments ===== 
  
 PROCEDURE Pointi(x0, y0: INTEGER); PROCEDURE Pointi(x0, y0: INTEGER);
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-*** Texts ***+===== Texts ===== 
  
 PROCEDURE SetFont* (name: ARRAY OF CHAR); PROCEDURE SetFont* (name: ARRAY OF CHAR);
Строка 122: Строка 148:
  
  
-*** Images ***+===== Images ===== 
  
 PROCEDURE LoadImage* (name: ARRAY OF CHAR): Image; PROCEDURE LoadImage* (name: ARRAY OF CHAR): Image;
Строка 129: Строка 156:
  
  
-*** Transformation ***+===== Transformation ===== 
 + 
 + 
 +**PROCEDURE Translate(x, y: REAL);**
  
-PROCEDURE Translate(x, y: REAL); 
 Shifts the origin (0, 0) of the coordinates of the canvas Shifts the origin (0, 0) of the coordinates of the canvas
 in the specified direction: x to the right, y downwards. in the specified direction: x to the right, y downwards.
  
-PROCEDURE PushMatrix; +**PROCEDURE PushMatrix;** 
-PROCEDURE PopMatrix;+ 
 +**PROCEDURE PopMatrix;** 
 Pushes or pops the current transformation matrix onto the matrix stack.  Pushes or pops the current transformation matrix onto the matrix stack. 
 PushMatrix saves the current coordinate system to the stack PushMatrix saves the current coordinate system to the stack
 and PopMatrix restores the prior coordinate system. and PopMatrix restores the prior coordinate system.
  
-PROCEDURE Rotate(angle : REAL);+**PROCEDURE Rotate(angle : REAL);** 
 Rotates the amount specified by the angle parameter. Rotates the amount specified by the angle parameter.
 Angles must be specified in radians (values from 0 to 2π), Angles must be specified in radians (values from 0 to 2π),
 or they can be converted from degrees to radians or they can be converted from degrees to radians
 with the Math.Radians() function. with the Math.Radians() function.
ob/visual/draw/en.1664732279.txt.gz · Последнее изменение: 2022/10/02 20:37 — iadenisov

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