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=== modified file 'src/com/goldencode/p2j/ui/client/driver/web/res/p2j.clipboard.js'
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--- src/com/goldencode/p2j/ui/client/driver/web/res/p2j.clipboard.js 2015-10-14 16:32:09 +0000
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+++ src/com/goldencode/p2j/ui/client/driver/web/res/p2j.clipboard.js 2016-02-17 21:22:49 +0000
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@@ -84,7 +84,8 @@
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{
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// replace line ends in order to be handled properly on the thin client
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// as if "Enter" was pressed
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- p2j.socket.sendStringBinaryMessage(0x03, text.replace(/\n/g,"\r"));
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+// p2j.socket.sendStringBinaryMessage(0x03, text.replace(/\n/g,"\r"));
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+ p2j.socket.sendStringBinaryMessage(0x03, text);
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}
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ctrlv = false;
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=== modified file 'src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.canvas_renderer.js'
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--- src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.canvas_renderer.js 2016-02-17 20:45:29 +0000
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+++ src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.canvas_renderer.js 2016-02-17 21:22:49 +0000
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@@ -24,6 +24,7 @@
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** getImageData implementation.
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** CA 20160129 Removed the "ctx" parameter from the CanvasRenderer APIs. Added a global
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** cache where widget states are saved.
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+** SBI 20160213 Reduced putImageData invocations for horizontal and vertical lines.
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*/
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"use strict";
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@@ -92,6 +93,9 @@
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/** True value indicates XOR composite operation will be applied. */
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this.compositeModeOn = false;
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+ /** The screen capture used by drawing primitives */
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+ this.screenCapture = this.ctx.getImageData(0, 0, 1, 1);
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+
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// force all drawing to be inside pixel "cells" instead of "stradling" between two cells
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// which is the default; this eliminates much of the worst of the anti-aliasing and
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// positioning problems inherent in canvas operations; this will also save off the
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@@ -577,17 +581,11 @@
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* X coordinate of the ending pixel to be drawn.
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* @param {Number} y2
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* Y coordinate of the ending pixel to be drawn.
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- * @param {Number[]} color
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+ * @param {StrokeRenderer} strokeRenderer
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* Array of 3 integer values between 0 and 255 inclusive, representing an RGB color.
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- *
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- * @return {Array} path
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- * The {x:.,y:.} point per a pixel array that represents the drawing line segment.
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*/
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-CanvasRenderer.prototype.drawLineSegment = function(x1, y1, x2, y2, color)
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+CanvasRenderer.prototype.drawLineSegment = function(x1, y1, x2, y2, strokeRenderer)
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{
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- // holds the line pixels to draw
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- var path = [];
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-
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x1 = x1 + this.origin.x;
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x2 = x2 + this.origin.x;
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@@ -598,7 +596,7 @@
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var d = this.cutLine(x1, y1, x2, y2);
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if (d === null)
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{
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- return path;
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+ return;
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}
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x1 = d[0];
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y1 = d[1];
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@@ -608,6 +606,38 @@
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var dx = Math.abs(x2 - x1);
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var dy = Math.abs(y2 - y1);
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+ // vertical and horizontal lines are handled by the current stroke renderer (optimization)
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+ if (dx === 0 || dy === 0)
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+ {
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+ strokeRenderer.strokeLine(x1, y1, x2, y2);
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+ }
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+ else
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+ {
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+ this.drawSlopedLineSegment(x1, y1, x2, y2, strokeRenderer);
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+ }
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+};
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+
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+/**
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+ * Draw a sloped line in the given color from (x1, y1) to (x2, y2) inclusive, using direct drawing.
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+ * <p>
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+ * This is an implementation of the well known 50+ year old Bresenham algorithm.
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+ *
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+ * @param {Number} x1
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+ * X coordinate of the starting pixel to be drawn.
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+ * @param {Number} y1
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+ * Y coordinate of the starting pixel to be drawn.
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+ * @param {Number} x2
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+ * X coordinate of the ending pixel to be drawn.
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+ * @param {Number} y2
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+ * Y coordinate of the ending pixel to be drawn.
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+ * @param {StrokeRenderer} strokeRenderer
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+ * The current stroke renderer.
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+ */
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+CanvasRenderer.prototype.drawSlopedLineSegment = function(x1, y1, x2, y2, strokeRenderer)
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+{
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+ var dx = Math.abs(x2 - x1);
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+ var dy = Math.abs(y2 - y1);
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+
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var xIncr = x1 < x2 ? 1 : -1;
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var yIncr = y1 < y2 ? 1 : -1;
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@@ -618,17 +648,11 @@
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var x = x1;
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var y = y1;
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-
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var tooMany = 0;
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- var directStroke = this.strokesManager.isDirectDrawingStrokeStyle(this.strokeStyleId);
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while (true)
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{
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- if (directStroke)
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- {
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- this.drawPixel(x, y, color);
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- }
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- path.push({x : x, y : y});
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+ strokeRenderer.strokePoint(x, y);
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tooMany++;
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@@ -640,7 +664,7 @@
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{
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if (tooMany > 10000)
|
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{
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- this.logger.logFormatted("Bresenham is out of control for x1 = %d, y1 = %d,"
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+ renderer.logger.logFormatted("Bresenham is out of control for x1 = %d, y1 = %d,"
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+ " x2 = %d, y2 = %d and current x = %d, y = %d!",[x1, y1, x2, y2, x, y]);
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console.trace();
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break;
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@@ -661,11 +685,10 @@
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y += yIncr;
|
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}
|
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}
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-
|
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- return path;
|
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-};
|
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+}
|
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|
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/**
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+ *
|
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* Draw a line in the given color from (x1, y1) to (x2, y2) inclusive, using direct drawing and
|
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* add its pixels path to the end of the provided pixels path.
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* <p>
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@@ -681,22 +704,17 @@
|
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* Y coordinate of the ending pixel to be drawn.
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* @param {Number[]} color
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* Array of 3 integer values between 0 and 255 inclusive, representing an RGB color.
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- * @param {Array} path
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- * The provided holder of {x:.,y:.} points, the target drawing as a set of sequential
|
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- * line points will be added at the end of the provided path.
|
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- * @return {Array}
|
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- * The {x:.,y:.} point per a pixel array that represents the drawing line segment.
|
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*/
|
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-CanvasRenderer.prototype.drawLine = function(x1, y1, x2, y2, color, path)
|
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+CanvasRenderer.prototype.drawLine = function(x1, y1, x2, y2, color)
|
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{
|
159
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- var segment = this.drawLineSegment(x1, y1, x2, y2, color);
|
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- Array.prototype.push.apply(path, segment);
|
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|
- return segment;
|
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+ var strokeRenderer = this.strokesManager.getStrokePathRenderer(this, this.strokeStyleId,
|
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+ this.strokeWidth, color);
|
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+ strokeRenderer.beginStroke();
|
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+ this.drawLineSegment(x1, y1, x2, y2, strokeRenderer);
|
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}
|
167
|
|
168
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/**
|
169
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- * Stroke a line in the given color from (x1, y1) to (x2, y2) inclusive, using direct drawing and
|
170
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- * add its pixels path to the end of the provided pixels path.
|
171
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+ * Stroke a line in the given color from (x1, y1) to (x2, y2) inclusive.
|
172
|
* <p>
|
173
|
* This is an implementation of the well known 50+ year old Bresenham algorithm.
|
174
|
*
|
175
|
@@ -710,18 +728,13 @@
|
176
|
* Y coordinate of the ending pixel to be drawn.
|
177
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* @param {Number[]} color
|
178
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* Array of 3 integer values between 0 and 255 inclusive, representing an RGB color.
|
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|
- * @param {Array} path
|
180
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- * The provided holder of {x:.,y:.} points, the target drawing as a set of sequential
|
181
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- * line points will be added at the end of the provided path.
|
182
|
*/
|
183
|
CanvasRenderer.prototype.strokeLineSegment = function(x1, y1, x2, y2, color)
|
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{
|
185
|
- var path = this.drawLineSegment(x1, y1, x2, y2, color);
|
186
|
- this.strokesManager.applyStrokeToPath(this,
|
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|
- this.strokeStyleId,
|
188
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- this.strokeWidth,
|
189
|
- color,
|
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- path);
|
191
|
+ var strokeRenderer = this.strokesManager.getStrokePathRenderer(this, this.strokeStyleId,
|
192
|
+ this.strokeWidth, color);
|
193
|
+ strokeRenderer.beginStroke();
|
194
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+ this.drawLineSegment(x1, y1, x2, y2, strokeRenderer);
|
195
|
}
|
196
|
|
197
|
/**
|
198
|
@@ -741,15 +754,11 @@
|
199
|
* This will be used for the border lines and when in fill mode, also the interior.
|
200
|
* @param {Boolean} fill
|
201
|
* <code>true</code> to fill the drawn rectangle with the given color.
|
202
|
- *
|
203
|
- * @return {Array} path
|
204
|
- * The {x:.,y:.} point per a pixel array that represents the rectangle outerline.
|
205
|
*/
|
206
|
CanvasRenderer.prototype.drawRect = function(x, y, width, height, color, fill)
|
207
|
{
|
208
|
// filled rectangles draw 1 pixel smaller in 2 dimensions than stroked rectangles
|
209
|
var inset = 0;
|
210
|
- var path = [];
|
211
|
// use vector operations for the interior of the rectangle
|
212
|
if (fill)
|
213
|
{
|
214
|
@@ -761,12 +770,13 @@
|
215
|
|
216
|
// now overdraw the stroked portion to eliminate anti-aliasing, we draw in a
|
217
|
// clockwise direction (since we are not using paths, this is not strictly necessary)
|
218
|
- this.drawLine(x, y, x + width - inset, y, color, path);
|
219
|
- this.drawLine(x + width - inset, y + 1, x + width - inset, y + height - inset, color, path);
|
220
|
- this.drawLine(x + width - 1 - inset, y + height - inset, x + 1, y + height - inset, color, path);
|
221
|
- this.drawLine(x, y + height - inset, x, y + 1, color, path);// close the path
|
222
|
-
|
223
|
- return path;
|
224
|
+ var renderer = this.strokesManager.getStrokePathRenderer(this, this.strokeStyleId,
|
225
|
+ this.strokeWidth, color);
|
226
|
+ renderer.beginStroke();
|
227
|
+ this.drawLineSegment(x, y, x + width - inset, y, renderer);
|
228
|
+ this.drawLineSegment(x + width - inset, y + 1, x + width - inset, y + height - inset, renderer);
|
229
|
+ this.drawLineSegment(x + width - 1 - inset, y + height - inset, x + 1, y + height - inset, renderer);
|
230
|
+ this.drawLineSegment(x, y + height - inset, x, y + 1, renderer);// close the path
|
231
|
};
|
232
|
|
233
|
/**
|
234
|
@@ -791,7 +801,6 @@
|
235
|
{
|
236
|
// filled rectangles draw 1 pixel smaller in 2 dimensions than stroked rectangles
|
237
|
var inset = 0;
|
238
|
- var path = [];
|
239
|
// use vector operations for the interior of the rectangle
|
240
|
if (fill)
|
241
|
{
|
242
|
@@ -803,16 +812,16 @@
|
243
|
|
244
|
// now overdraw the stroked portion to eliminate anti-aliasing, we draw in a
|
245
|
// clockwise direction (since we are not using paths, this is not strictly necessary)
|
246
|
- this.drawLine(x, y, x + width - inset, y, color, path);
|
247
|
- this.drawLine(x + width - inset, y + 1, x + width - inset, y + height - inset, color, path);
|
248
|
- this.drawLine(x + width - 1 - inset, y + height - inset, x + 1, y + height - inset, color, path);
|
249
|
- this.drawLine(x, y + height - inset, x, y + 1, color, path);// close the path
|
250
|
+ var renderer = this.strokesManager.getStrokePathRenderer(this, this.strokeStyleId,
|
251
|
+ this.strokeWidth, color);
|
252
|
+ renderer.beginStroke();
|
253
|
+ this.drawLineSegment(x, y, x + width - inset, y, renderer);
|
254
|
+ this.drawLineSegment(x + width - inset, y + 1, x + width - inset, y + height - inset,
|
255
|
+ renderer);
|
256
|
+ this.drawLineSegment(x + width - 1 - inset, y + height - inset, x + 1, y + height - inset,
|
257
|
+ renderer);
|
258
|
+ this.drawLineSegment(x, y + height - inset, x, y + 1, renderer);// close the path
|
259
|
|
260
|
- this.strokesManager.applyStrokeToPath(this,
|
261
|
- this.strokeStyleId,
|
262
|
- this.strokeWidth,
|
263
|
- color,
|
264
|
- path);
|
265
|
};
|
266
|
|
267
|
/**
|
268
|
@@ -860,7 +869,7 @@
|
269
|
var data = img.data;
|
270
|
if (p2j.isChrome)
|
271
|
{
|
272
|
- copyImage(img, data, imgData, width, height, imgDataOffset);
|
273
|
+ this.copyImage(img, data, imgData, width, height, imgDataOffset);
|
274
|
}
|
275
|
else
|
276
|
{
|
277
|
@@ -920,7 +929,7 @@
|
278
|
* Returns the modified screen image data array with the target image.
|
279
|
*
|
280
|
*/
|
281
|
-function copyImage(img, data, imgData, width, height, imgDataOffset)
|
282
|
+CanvasRenderer.prototype.copyImage = function(img, data, imgData, width, height, imgDataOffset)
|
283
|
{
|
284
|
var awidth = img.width;
|
285
|
var aheight = img.height;
|
286
|
@@ -1033,16 +1042,13 @@
|
287
|
this.renderClosedPath(fill);
|
288
|
|
289
|
// overdraw the anti-aliased line segments
|
290
|
- var path = [];
|
291
|
- this.drawLine(topLeftX, topLeftY, topRightX, topRightY, color, path);
|
292
|
- this.drawLine(rightUpX, rightUpY, rightDownX, rightDownY, color, path);
|
293
|
- this.drawLine(bottomLeftX, bottomLeftY, bottomRightX, bottomRightY, color, path);
|
294
|
- this.drawLine(leftUpX, leftUpY, leftDownX, leftDownY, color, path);
|
295
|
- this.strokesManager.applyStrokeToPath(this,
|
296
|
- this.strokeStyleId,
|
297
|
- this.strokeWidth,
|
298
|
- color,
|
299
|
- path);
|
300
|
+ var renderer = this.strokesManager.getStrokePathRenderer(this, this.strokeStyleId,
|
301
|
+ this.strokeWidth, color);
|
302
|
+ renderer.beginStroke();
|
303
|
+ this.drawLineSegment(topLeftX, topLeftY, topRightX, topRightY, renderer);
|
304
|
+ this.drawLineSegment(rightUpX, rightUpY, rightDownX, rightDownY, renderer);
|
305
|
+ this.drawLineSegment(bottomLeftX, bottomLeftY, bottomRightX, bottomRightY, renderer);
|
306
|
+ this.drawLineSegment(leftUpX, leftUpY, leftDownX, leftDownY, renderer);
|
307
|
};
|
308
|
|
309
|
/**
|
310
|
@@ -1108,29 +1114,24 @@
|
311
|
}
|
312
|
|
313
|
current = raised ? lighter : darker;
|
314
|
-
|
315
|
+ var renderer1 = this.strokesManager.getStrokePathRenderer(this, this.strokeStyleId,
|
316
|
+ this.strokeWidth, current);
|
317
|
+ renderer1.beginStroke();
|
318
|
// draw the top and left sides in the contrasting color (raised mode) or the darker color
|
319
|
// otherwise
|
320
|
- var path = [];// create new pixels path to draw
|
321
|
- this.drawLine(x, y, x + width - 2 - inset, y, current, path);
|
322
|
- this.drawLine(x, y + 1, x, y + height - 1 - inset, current, path);
|
323
|
- this.strokesManager.applyStrokeToPath(this,
|
324
|
- this.strokeStyleId,
|
325
|
- this.strokeWidth,
|
326
|
- current,
|
327
|
- path);
|
328
|
+ this.drawLineSegment(x, y, x + width - 2 - inset, y, renderer1);
|
329
|
+ this.drawLineSegment(x, y + 1, x, y + height - 1 - inset, renderer1);
|
330
|
|
331
|
// draw the bottom and right sides in the darker color (raised mode) or the contrasting
|
332
|
// color otherwise
|
333
|
current = raised ? darker : lighter;
|
334
|
- path = []; // create new pixels path to draw
|
335
|
- this.drawLine(x + 1, y + height - 1 - inset, x + width - 1 - inset, y + height - 1 - inset, current, path);
|
336
|
- this.drawLine(x + width - 1 - inset, y, x + width - 1 - inset, y + height - 2, current, path);
|
337
|
- this.strokesManager.applyStrokeToPath(this,
|
338
|
- this.strokeStyleId,
|
339
|
- this.strokeWidth,
|
340
|
- current,
|
341
|
- path);
|
342
|
+ var renderer2 = this.strokesManager.getStrokePathRenderer(this, this.strokeStyleId,
|
343
|
+ this.strokeWidth, current);
|
344
|
+ renderer2.beginStroke();
|
345
|
+ this.drawLineSegment(x + 1, y + height - 1 - inset, x + width - 1 - inset,
|
346
|
+ y + height - 1 - inset, renderer2);
|
347
|
+ this.drawLineSegment(x + width - 1 - inset, y, x + width - 1 - inset, y + height - 2,
|
348
|
+ renderer2);
|
349
|
|
350
|
// clear the clipping region
|
351
|
this.ctx.restore();
|
352
|
@@ -1154,8 +1155,6 @@
|
353
|
* @param {Boolean} fill
|
354
|
* <code>true</code> to fill the rectangle with the current color, otherwise just
|
355
|
* stroke the rectangle.
|
356
|
- * @return {Array}
|
357
|
- * The {x:.,y:.} point per a pixel array that represents this poligon.
|
358
|
*/
|
359
|
CanvasRenderer.prototype.drawPolygon = function(xPoints, yPoints, num, color, fill)
|
360
|
{
|
361
|
@@ -1173,15 +1172,17 @@
|
362
|
this.ctx.closePath();
|
363
|
this.renderClosedPath(fill);
|
364
|
}
|
365
|
- var path = [];
|
366
|
+ var renderer = this.strokesManager.getStrokePathRenderer(this, this.strokeStyleId,
|
367
|
+ this.strokeWidth, color);
|
368
|
+ renderer.beginStroke();
|
369
|
+
|
370
|
// now overdraw the stroked portion
|
371
|
for (i = 0; i < (num - 1); i++)
|
372
|
{
|
373
|
- this.drawLine(xPoints[i], yPoints[i], xPoints[i + 1], yPoints[i + 1], color, path);
|
374
|
+ this.drawLineSegment(xPoints[i], yPoints[i], xPoints[i + 1], yPoints[i + 1], renderer);
|
375
|
}
|
376
|
// close the path
|
377
|
- this.drawLine(xPoints[num - 1], yPoints[num - 1], xPoints[0], yPoints[0], color, path);
|
378
|
- return path;
|
379
|
+ this.drawLineSegment(xPoints[num - 1], yPoints[num - 1], xPoints[0], yPoints[0], renderer);
|
380
|
};
|
381
|
|
382
|
/**
|
383
|
@@ -1201,12 +1202,7 @@
|
384
|
*/
|
385
|
CanvasRenderer.prototype.strokePolygon = function(xPoints, yPoints, num, color, fill)
|
386
|
{
|
387
|
- var path = this.drawPolygon(xPoints, yPoints, num, color, fill);
|
388
|
- this.strokesManager.applyStrokeToPath(this,
|
389
|
- this.strokeStyleId,
|
390
|
- this.strokeWidth,
|
391
|
- color,
|
392
|
- path);
|
393
|
+ this.drawPolygon(xPoints, yPoints, num, color, fill);
|
394
|
};
|
395
|
|
396
|
/**
|
397
|
@@ -1717,7 +1713,7 @@
|
398
|
var y1 = origY;
|
399
|
var y2 = y1;
|
400
|
|
401
|
- this.strokeLineSegment(this.ctx, x1, y1, x2, y2, this.rawColor);
|
402
|
+ this.strokeLineSegment(x1, y1, x2, y2, this.rawColor);
|
403
|
}
|
404
|
}
|
405
|
|
406
|
|
407
|
=== modified file 'src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.strokes.js'
|
408
|
--- src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.strokes.js 2016-02-17 20:45:29 +0000
|
409
|
+++ src/com/goldencode/p2j/ui/client/gui/driver/web/res/p2j.strokes.js 2016-02-17 21:35:30 +0000
|
410
|
@@ -11,6 +11,7 @@
|
411
|
** -#- -I- --Date-- ------------------------------Description----------------------------------
|
412
|
** 001 SBI 20150819 The first version defines LineStrokes class as a strokes manager.
|
413
|
** 002 SBI 20151012 Added XOR processing and dotted large line stroke support.
|
414
|
+** 003 SBI 20160215 Reduced putImageData invocations for horizontal and vertical lines.
|
415
|
*/
|
416
|
|
417
|
"use strict";
|
418
|
@@ -193,7 +194,7 @@
|
419
|
*
|
420
|
* @return The stroke path renderer.
|
421
|
*/
|
422
|
- function getStrokePathRenderer(canvasRenderer, strokeStyle, width, strokeColor)
|
423
|
+ this.getStrokePathRenderer = function(canvasRenderer, strokeStyle, width, strokeColor)
|
424
|
{
|
425
|
var basicStroke = getLineStroke(strokeStyle, width);
|
426
|
|
427
|
@@ -207,7 +208,7 @@
|
428
|
case LineStrokeEnum.DOTTED_LARGE:
|
429
|
return new DotsPathRenderer(canvasRenderer, basicStroke, strokeColor);
|
430
|
default:
|
431
|
- return { applyStroke : function (path) {} };
|
432
|
+ return new DefaultPathRenderer(canvasRenderer, strokeColor);
|
433
|
}
|
434
|
};
|
435
|
|
436
|
@@ -244,40 +245,8 @@
|
437
|
context.lineDashOffset = basicStroke.getDashPhase();
|
438
|
}
|
439
|
}
|
440
|
-
|
441
|
- /**
|
442
|
- * Apply the given stroke style to the area outer bounds.
|
443
|
- *
|
444
|
- * @param {CanvasRenderer} canvasRenderer
|
445
|
- * The canvas renderer.
|
446
|
- * @param {Number} strokeStyle
|
447
|
- * The stroke style id.
|
448
|
- * @param {Number} width
|
449
|
- * The line width.
|
450
|
- * @param {Number[]} strokeColor
|
451
|
- * The array of 3 integer values between 0 and 255 inclusive, representing
|
452
|
- * a stroke color.
|
453
|
- * @param {Array} path
|
454
|
- * The array of points that forms the outline of the target area.
|
455
|
- */
|
456
|
- this.applyStrokeToPath = function(canvasRenderer, strokeStyle, width, strokeColor, path)
|
457
|
- {
|
458
|
- var renderer = getStrokePathRenderer(canvasRenderer, strokeStyle, width, strokeColor);
|
459
|
- renderer.applyStroke(path);
|
460
|
- }
|
461
|
|
462
|
/**
|
463
|
- * Returns true if for the given stroke style it is supposed to draw lines and rectangles
|
464
|
- * using drawing functions without any corrections of their results, otherwise, false.
|
465
|
- *
|
466
|
- * @return {boolean} true or false
|
467
|
- */
|
468
|
- this.isDirectDrawingStrokeStyle = function(strokeStyle)
|
469
|
- {
|
470
|
- return LineStrokeEnum.DEFAULT == strokeStyle;
|
471
|
- }
|
472
|
-
|
473
|
- /**
|
474
|
* Returns the default stroke that is a solid line style with 1 pixel line width.
|
475
|
*
|
476
|
* @return {Number} The default stroke style.
|
477
|
@@ -288,6 +257,53 @@
|
478
|
}
|
479
|
|
480
|
/**
|
481
|
+ * Defines StrokeRenderer class
|
482
|
+ */
|
483
|
+ function StrokeRenderer()
|
484
|
+ {
|
485
|
+ }
|
486
|
+
|
487
|
+ /**
|
488
|
+ * Defines the constructor function
|
489
|
+ */
|
490
|
+ StrokeRenderer.prototype.constructor = StrokeRenderer;
|
491
|
+
|
492
|
+ /**
|
493
|
+ * Prepare the object.
|
494
|
+ */
|
495
|
+ StrokeRenderer.prototype.beginStroke = function()
|
496
|
+ {
|
497
|
+ };
|
498
|
+
|
499
|
+ /**
|
500
|
+ * Apply the stroke to lines given by the absolute coordinates.
|
501
|
+ *
|
502
|
+ * @param {Number} x1
|
503
|
+ * X coordinate of the starting pixel to be drawn.
|
504
|
+ * @param {Number} y1
|
505
|
+ * Y coordinate of the starting pixel to be drawn.
|
506
|
+ * @param {Number} x2
|
507
|
+ * X coordinate of the ending pixel to be drawn.
|
508
|
+ * @param {Number} y2
|
509
|
+ * Y coordinate of the ending pixel to be drawn.
|
510
|
+ */
|
511
|
+ StrokeRenderer.prototype.strokeLine = function(x1, y1, x2, y2)
|
512
|
+ {
|
513
|
+ };
|
514
|
+
|
515
|
+ /**
|
516
|
+ * Apply the stroke to the next point given by its coordinates (x, y).
|
517
|
+ *
|
518
|
+ * @param {Number} x
|
519
|
+ * X coordinate of the point to be drawn.
|
520
|
+ * @param {Number} y
|
521
|
+ * Y coordinate of the point to be drawn.
|
522
|
+ */
|
523
|
+ StrokeRenderer.prototype.strokePoint = function(x, y)
|
524
|
+ {
|
525
|
+ };
|
526
|
+
|
527
|
+ /**
|
528
|
* Used to draw dash patterns on lines of pixels.
|
529
|
*
|
530
|
* @param {CanvasRenderer} canvasRenderer
|
531
|
@@ -303,6 +319,7 @@
|
532
|
var pixel = canvasRenderer.createImageData(1, 1);
|
533
|
var pixelData = pixel.data;
|
534
|
pixelData[3] = 0xFF;
|
535
|
+ var state = {};
|
536
|
|
537
|
/**
|
538
|
* Normalizes a dash offset distance according to the given dash pattern.
|
539
|
@@ -339,12 +356,9 @@
|
540
|
}
|
541
|
|
542
|
/**
|
543
|
- * Apply the given stroke to the line of pixels called a path.
|
544
|
- *
|
545
|
- * @param {Array} path
|
546
|
- * The array of points that forms the outline of the target area.
|
547
|
+ * Prepares the given stroke to be applied to the line of pixels called a path.
|
548
|
*/
|
549
|
- this.applyStroke = function (path)
|
550
|
+ this.beginStroke = function()
|
551
|
{
|
552
|
var dash = basicStroke.getDash();
|
553
|
if (!dash || dash.length == 0)
|
554
|
@@ -361,28 +375,113 @@
|
555
|
var idx = patternObj.startIdx;
|
556
|
var rest = dash[idx] - phase;
|
557
|
|
558
|
- for (var i = 0; i < path.length; i++)
|
559
|
+ state.dash = dash;
|
560
|
+ state.len = len;
|
561
|
+ state.dashOn = dashOn;
|
562
|
+ state.idx = idx;
|
563
|
+ state.rest = rest;
|
564
|
+ }
|
565
|
+
|
566
|
+ /**
|
567
|
+ * Apply the stroke to vertical or horizontal lines given by the absolute coordinates that
|
568
|
+ * satisfy x1 <= x2 and y1 <= y2.
|
569
|
+ *
|
570
|
+ * @param {Number} x1
|
571
|
+ * X coordinate of the starting pixel to be drawn.
|
572
|
+ * @param {Number} y1
|
573
|
+ * Y coordinate of the starting pixel to be drawn.
|
574
|
+ * @param {Number} x2
|
575
|
+ * X coordinate of the ending pixel to be drawn.
|
576
|
+ * @param {Number} y2
|
577
|
+ * Y coordinate of the ending pixel to be drawn.
|
578
|
+ */
|
579
|
+ this.strokeLine = function(x1, y1, x2, y2)
|
580
|
+ {
|
581
|
+ var rest = state.rest;
|
582
|
+ var idx = state.idx;
|
583
|
+ var len = state.len;
|
584
|
+ var dashOn = state.dashOn;
|
585
|
+ var dash = state.dash;
|
586
|
+
|
587
|
+ var dx = x2 - x1;
|
588
|
+ var x = x1;
|
589
|
+ var y = y1;
|
590
|
+ while(x <= x2 && y <= y2)
|
591
|
{
|
592
|
- var point = path[i];
|
593
|
if (rest < 1)
|
594
|
{
|
595
|
- idx = (idx + 1) % len;
|
596
|
- rest = dash[idx];
|
597
|
+ idx = (idx + 1) % len;
|
598
|
+ rest = state.dash[idx];
|
599
|
dashOn = !dashOn;
|
600
|
}
|
601
|
rest -= 1;
|
602
|
-
|
603
|
+
|
604
|
if (dashOn)
|
605
|
{
|
606
|
pixelData[0] = strokeColor[0];
|
607
|
pixelData[1] = strokeColor[1];
|
608
|
pixelData[2] = strokeColor[2];
|
609
|
- canvasRenderer.putImageData(pixel, point.x, point.y);
|
610
|
- }
|
611
|
- }
|
612
|
+ canvasRenderer.putImageData(pixel, x, y);
|
613
|
+ }
|
614
|
+ if (dx === 0)
|
615
|
+ {
|
616
|
+ y = y + 1;
|
617
|
+ }
|
618
|
+ else
|
619
|
+ {
|
620
|
+ x = x + 1;
|
621
|
+ }
|
622
|
+ }
|
623
|
+ state.dashOn = dashOn;
|
624
|
+ state.rest = rest;
|
625
|
+ state.idx = idx;
|
626
|
+ }
|
627
|
+
|
628
|
+ /**
|
629
|
+ * Apply the stroke to the next point given by its coordinates (x, y).
|
630
|
+ *
|
631
|
+ * @param {Number} x
|
632
|
+ * X coordinate of the point to be drawn.
|
633
|
+ * @param {Number} y
|
634
|
+ * Y coordinate of the point to be drawn.
|
635
|
+ */
|
636
|
+ this.strokePoint = function(x, y)
|
637
|
+ {
|
638
|
+ var rest = state.rest;
|
639
|
+ var idx = state.idx;
|
640
|
+ var len = state.len;
|
641
|
+ var dashOn = state.dashOn;
|
642
|
+ if (rest < 1)
|
643
|
+ {
|
644
|
+ idx = (idx + 1) % len;
|
645
|
+ rest = state.dash[idx];
|
646
|
+ dashOn = !dashOn;
|
647
|
+ }
|
648
|
+ rest -= 1;
|
649
|
+ if (dashOn)
|
650
|
+ {
|
651
|
+ pixelData[0] = strokeColor[0];
|
652
|
+ pixelData[1] = strokeColor[1];
|
653
|
+ pixelData[2] = strokeColor[2];
|
654
|
+ canvasRenderer.putImageData(pixel, x, y);
|
655
|
+ }
|
656
|
+
|
657
|
+ state.dashOn = dashOn;
|
658
|
+ state.rest = rest;
|
659
|
+ state.idx = idx;
|
660
|
+ }
|
661
|
+
|
662
|
+ }
|
663
|
+
|
664
|
+ /**
|
665
|
+ * DotsPathRenderer implements StrokeRenderer methods
|
666
|
+ */
|
667
|
+ DotsPathRenderer.prototype = Object.create(StrokeRenderer.prototype);
|
668
|
|
669
|
- }
|
670
|
- }
|
671
|
+ /**
|
672
|
+ * Defines the constructor function
|
673
|
+ */
|
674
|
+ DotsPathRenderer.prototype.constructor = DotsPathRenderer;
|
675
|
|
676
|
/**
|
677
|
* Used to widen lines of pixels.
|
678
|
@@ -408,20 +507,156 @@
|
679
|
imageData[i + 2] = strokeColor[2];
|
680
|
imageData[i + 3] = 0xFF;
|
681
|
}
|
682
|
-
|
683
|
- /**
|
684
|
- * To widen the line of pixels called a path according to the stroke style.
|
685
|
- *
|
686
|
- * @param {Array} path
|
687
|
- * The array of points that forms the outline of the target area.
|
688
|
- */
|
689
|
- this.applyStroke = function (path)
|
690
|
- {
|
691
|
- for (var i = 0; i < path.length; i++)
|
692
|
- {
|
693
|
- var point = path[i];
|
694
|
- canvasRenderer.putImageData(image, point.x - (width >> 1), point.y - (width >> 1));
|
695
|
- }
|
696
|
- }
|
697
|
- }
|
698
|
-}
|
699
|
\ No newline at end of file
|
700
|
+
|
701
|
+ /**
|
702
|
+ * Prepares the given stroke to be applied to the line of pixels called a path.
|
703
|
+ */
|
704
|
+ this.beginStroke = function()
|
705
|
+ {
|
706
|
+ }
|
707
|
+
|
708
|
+ /**
|
709
|
+ * Apply the stroke to vertical or horizontal lines given by the absolute coordinates that
|
710
|
+ * satisfy x1 <= x2 and y1 <= y2.
|
711
|
+ *
|
712
|
+ * @param {Number} x1
|
713
|
+ * X coordinate of the starting pixel to be drawn.
|
714
|
+ * @param {Number} y1
|
715
|
+ * Y coordinate of the starting pixel to be drawn.
|
716
|
+ * @param {Number} x2
|
717
|
+ * X coordinate of the ending pixel to be drawn.
|
718
|
+ * @param {Number} y2
|
719
|
+ * Y coordinate of the ending pixel to be drawn.
|
720
|
+ */
|
721
|
+ this.strokeLine = function(x1, y1, x2, y2)
|
722
|
+ {
|
723
|
+ var lineWidth = x2 - x1 + width;
|
724
|
+ var lineHeight = y2 - y1 + width;
|
725
|
+ var x0 = x1 - (width >> 1);
|
726
|
+ var y0 = y1 - (width >> 1);
|
727
|
+ var screenImage = canvasRenderer.ctx.createImageData(lineWidth, lineHeight);
|
728
|
+ var data = screenImage.data;
|
729
|
+ var length = 4 * lineWidth * lineHeight;
|
730
|
+
|
731
|
+ for (var i = 0; i < length; i += 4)
|
732
|
+ {
|
733
|
+ data[i] = strokeColor[0];
|
734
|
+ data[i + 1] = strokeColor[1];
|
735
|
+ data[i + 2] = strokeColor[2];
|
736
|
+ data[i + 3] = 255;
|
737
|
+ }
|
738
|
+ canvasRenderer.putImageData(screenImage, x0, y0);
|
739
|
+ }
|
740
|
+
|
741
|
+ /**
|
742
|
+ * Apply the stroke to the next point given by its coordinates (x, y).
|
743
|
+ *
|
744
|
+ * @param {Number} x
|
745
|
+ * X coordinate of the point to be drawn.
|
746
|
+ * @param {Number} y
|
747
|
+ * Y coordinate of the point to be drawn.
|
748
|
+ */
|
749
|
+ this.strokePoint = function(x, y)
|
750
|
+ {
|
751
|
+ canvasRenderer.putImageData(image, x - (width >> 1), y - (width >> 1));
|
752
|
+ }
|
753
|
+
|
754
|
+ }
|
755
|
+
|
756
|
+ /**
|
757
|
+ * WidenPathRenderer implements StrokeRenderer methods
|
758
|
+ */
|
759
|
+ WidenPathRenderer.prototype = Object.create(StrokeRenderer.prototype);
|
760
|
+
|
761
|
+ /**
|
762
|
+ * Defines the constructor function
|
763
|
+ */
|
764
|
+ WidenPathRenderer.prototype.constructor = WidenPathRenderer;
|
765
|
+
|
766
|
+ /**
|
767
|
+ * The default lines renderer.
|
768
|
+ *
|
769
|
+ * @param {CanvasRenderer} canvasRenderer
|
770
|
+ * The canvas renderer.
|
771
|
+ * @param {Number[]} strokeColor
|
772
|
+ * The array of 3 integer values between 0 and 255 inclusive, representing
|
773
|
+ * a stroke color.
|
774
|
+ */
|
775
|
+ function DefaultPathRenderer(canvasRenderer, strokeColor)
|
776
|
+ {
|
777
|
+ var width = defaultStroke.getWidth();
|
778
|
+ var image = canvasRenderer.createImageData(width, width);
|
779
|
+ var imageData = image.data;
|
780
|
+
|
781
|
+ for (var i = 0; i < 4 * width * width; i += 4)
|
782
|
+ {
|
783
|
+ imageData[i] = strokeColor[0];
|
784
|
+ imageData[i + 1] = strokeColor[1];
|
785
|
+ imageData[i + 2] = strokeColor[2];
|
786
|
+ imageData[i + 3] = 255;
|
787
|
+ }
|
788
|
+
|
789
|
+ /**
|
790
|
+ * Prepares the given stroke to be applied to the line of pixels called a path.
|
791
|
+ */
|
792
|
+ this.beginStroke = function()
|
793
|
+ {
|
794
|
+ }
|
795
|
+
|
796
|
+ /**
|
797
|
+ * Apply the stroke to vertical or horizontal lines given by the absolute coordinates that
|
798
|
+ * satisfy x1 <= x2 and y1 <= y2.
|
799
|
+ *
|
800
|
+ * @param {Number} x1
|
801
|
+ * X coordinate of the starting pixel to be drawn.
|
802
|
+ * @param {Number} y1
|
803
|
+ * Y coordinate of the starting pixel to be drawn.
|
804
|
+ * @param {Number} x2
|
805
|
+ * X coordinate of the ending pixel to be drawn.
|
806
|
+ * @param {Number} y2
|
807
|
+ * Y coordinate of the ending pixel to be drawn.
|
808
|
+ */
|
809
|
+ this.strokeLine = function(x1, y1, x2, y2)
|
810
|
+ {
|
811
|
+ var lineWidth = x2 - x1 + 1;
|
812
|
+ var lineHeight = y2 - y1 + 1;
|
813
|
+ var screenImage = canvasRenderer.ctx.createImageData(lineWidth, lineHeight);
|
814
|
+ var data = screenImage.data;
|
815
|
+ var length = 4 * lineWidth * lineHeight;
|
816
|
+
|
817
|
+ for (var i = 0; i < length; i += 4)
|
818
|
+ {
|
819
|
+ data[i] = strokeColor[0];
|
820
|
+ data[i + 1] = strokeColor[1];
|
821
|
+ data[i + 2] = strokeColor[2];
|
822
|
+ data[i + 3] = 255;
|
823
|
+ }
|
824
|
+ canvasRenderer.putImageData(screenImage, x1, y1);
|
825
|
+ }
|
826
|
+
|
827
|
+ /**
|
828
|
+ * Apply the stroke to the next point given by its coordinates (x, y).
|
829
|
+ *
|
830
|
+ * @param {Number} x
|
831
|
+ * X coordinate of the point to be drawn.
|
832
|
+ * @param {Number} y
|
833
|
+ * Y coordinate of the point to be drawn.
|
834
|
+ */
|
835
|
+ this.strokePoint = function(x, y)
|
836
|
+ {
|
837
|
+ canvasRenderer.putImageData(image, x, y);
|
838
|
+ }
|
839
|
+
|
840
|
+ }
|
841
|
+
|
842
|
+ /**
|
843
|
+ * DefaultPathRenderer implements StrokeRenderer methods
|
844
|
+ */
|
845
|
+ DefaultPathRenderer.prototype = Object.create(StrokeRenderer.prototype);
|
846
|
+
|
847
|
+ /**
|
848
|
+ * Defines the constructor function
|
849
|
+ */
|
850
|
+ DefaultPathRenderer.prototype.constructor = DefaultPathRenderer;
|
851
|
+
|
852
|
+}
|
853
|
|