* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
+ * Matt Hortman
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
// Create default layer
var default_layer_container = new Guacamole.Client.LayerContainer(displayWidth, displayHeight);
+ // Position default layer
+ var default_layer_container_element = default_layer_container.getElement();
+ default_layer_container_element.style.position = "absolute";
+ default_layer_container_element.style.left = "0px";
+ default_layer_container_element.style.top = "0px";
+
// Create cursor layer
- var cursor = new Guacamole.Client.LayerContainer(displayWidth, displayHeight);
+ var cursor = new Guacamole.Client.LayerContainer(0, 0);
+ cursor.getLayer().setChannelMask(Guacamole.Layer.SRC);
+
+ // Position cursor layer
+ var cursor_element = cursor.getElement();
+ cursor_element.style.position = "absolute";
+ cursor_element.style.left = "0px";
+ cursor_element.style.top = "0px";
// Add default layer and cursor to display
display.appendChild(default_layer_container.getElement());
|| currentState == STATE_WAITING;
}
- var cursorImage = null;
var cursorHotspotX = 0;
var cursorHotspotY = 0;
- var cursorRectX = 0;
- var cursorRectY = 0;
- var cursorRectW = 0;
- var cursorRectH = 0;
-
- var cursorHidden = 0;
+ var cursorX = 0;
+ var cursorY = 0;
- function redrawCursor(x, y) {
-
- // Hide hardware cursor
- if (cursorHidden == 0) {
- display.className += " guac-hide-cursor";
- cursorHidden = 1;
- }
+ function moveCursor(x, y) {
- // Erase old cursor
- cursor.clearRect(cursorRectX, cursorRectY, cursorRectW, cursorRectH);
+ var element = cursor.getElement();
// Update rect
- cursorRectX = x - cursorHotspotX;
- cursorRectY = y - cursorHotspotY;
- cursorRectW = cursorImage.width;
- cursorRectH = cursorImage.height;
+ element.style.left = (x - cursorHotspotX) + "px";
+ element.style.top = (y - cursorHotspotY) + "px";
- // Draw new cursor
- cursor.drawImage(cursorRectX, cursorRectY, cursorImage);
+ // Update stored position
+ cursorX = x;
+ cursorY = y;
}
if (!isConnected())
return;
- // Draw client-side cursor
- if (cursorImage != null) {
- redrawCursor(
- mouseState.x,
- mouseState.y
- );
- }
+ // Update client-side cursor
+ moveCursor(
+ mouseState.x,
+ mouseState.y
+ );
// Build mask
var buttonMask = 0;
display.style.width = displayWidth + "px";
display.style.height = displayHeight + "px";
- // Set cursor layer width/height
- if (cursor != null)
- cursor.resize(displayWidth, displayHeight);
-
}
} // end if layer (not buffer)
},
+ "dispose": function(parameters) {
+
+ var layer_index = parseInt(parameters[0]);
+
+ // If visible layer, remove from parent
+ if (layer_index > 0) {
+
+ // Get container element
+ var layer_container = getLayerContainer(layer_index).getElement();
+
+ // Remove from parent
+ layer_container.parentNode.removeChild(layer_container);
+
+ // Delete reference
+ delete layers[layer_index];
+
+ }
+
+ // If buffer, just delete reference
+ else if (layer_index < 0)
+ delete buffers[-1 - layer_index];
+
+ // Attempting to dispose the root layer currently has no effect.
+
+ },
+
"png": function(parameters) {
var channelMask = parseInt(parameters[0]);
dstL.setChannelMask(channelMask);
- dstL.copyRect(
+ dstL.copy(
srcL,
srcX,
srcY,
},
- "rect": function(parameters) {
-
- var channelMask = parseInt(parameters[0]);
- var layer = getLayer(parseInt(parameters[1]));
- var x = parseInt(parameters[2]);
- var y = parseInt(parameters[3]);
- var w = parseInt(parameters[4]);
- var h = parseInt(parameters[5]);
- var r = parseInt(parameters[6]);
- var g = parseInt(parameters[7]);
- var b = parseInt(parameters[8]);
- var a = parseInt(parameters[9]);
+ "transfer": function(parameters) {
- layer.setChannelMask(channelMask);
+ var srcL = getLayer(parseInt(parameters[0]));
+ var srcX = parseInt(parameters[1]);
+ var srcY = parseInt(parameters[2]);
+ var srcWidth = parseInt(parameters[3]);
+ var srcHeight = parseInt(parameters[4]);
+ var transferFunction = Guacamole.Client.DefaultTransferFunction[parameters[5]];
+ var dstL = getLayer(parseInt(parameters[6]));
+ var dstX = parseInt(parameters[7]);
+ var dstY = parseInt(parameters[8]);
- layer.drawRect(
- x, y, w, h,
- r, g, b, a
+ dstL.transfer(
+ srcL,
+ srcX,
+ srcY,
+ srcWidth,
+ srcHeight,
+ dstX,
+ dstY,
+ transferFunction
);
},
- "clip": function(parameters) {
+ "rect": function(parameters) {
var layer = getLayer(parseInt(parameters[0]));
var x = parseInt(parameters[1]);
var w = parseInt(parameters[3]);
var h = parseInt(parameters[4]);
- layer.clipRect(x, y, w, h);
+ layer.rect(x, y, w, h);
},
- "cursor": function(parameters) {
+ "clip": function(parameters) {
+
+ var layer = getLayer(parseInt(parameters[0]));
+
+ layer.clip();
+
+ },
+
+ "cfill": function(parameters) {
+
+ var channelMask = parseInt(parameters[0]);
+ var layer = getLayer(parseInt(parameters[1]));
+ var r = parseInt(parameters[2]);
+ var g = parseInt(parameters[3]);
+ var b = parseInt(parameters[4]);
+ var a = parseInt(parameters[5]);
+
+ layer.setChannelMask(channelMask);
- var x = parseInt(parameters[0]);
- var y = parseInt(parameters[1]);
- var data = parameters[2];
+ layer.fillColor(r, g, b, a);
- // Start cursor image load
- var image = new Image();
- image.onload = function() {
- cursorImage = image;
+ },
- var cursorX = cursorRectX + cursorHotspotX;
- var cursorY = cursorRectY + cursorHotspotY;
+ "cursor": function(parameters) {
- cursorHotspotX = x;
- cursorHotspotY = y;
+ cursorHotspotX = parseInt(parameters[0]);
+ cursorHotspotY = parseInt(parameters[1]);
+ var srcL = getLayer(parseInt(parameters[2]));
+ var srcX = parseInt(parameters[3]);
+ var srcY = parseInt(parameters[4]);
+ var srcWidth = parseInt(parameters[5]);
+ var srcHeight = parseInt(parameters[6]);
- redrawCursor(cursorX, cursorY);
- };
- image.src = "data:image/png;base64," + data
+ // Reset cursor size
+ cursor.resize(srcWidth, srcHeight);
+
+ // Draw cursor to cursor layer
+ cursor.getLayer().copy(
+ srcL,
+ srcX,
+ srcY,
+ srcWidth,
+ srcHeight,
+ 0,
+ 0
+ );
+
+ // Update cursor position (hotspot may have changed)
+ moveCursor(cursorX, cursorY);
},
return div;
};
-};
\ No newline at end of file
+};
+
+/**
+ * Map of all Guacamole binary raster operations to transfer functions.
+ * @private
+ */
+Guacamole.Client.DefaultTransferFunction = {
+
+ /* BLACK */
+ 0x0: function (src, dst) {
+ dst.red = dst.green = dst.blue = 0x00;
+ },
+
+ /* WHITE */
+ 0xF: function (src, dst) {
+ dst.red = dst.green = dst.blue = 0xFF;
+ },
+
+ /* SRC */
+ 0x3: function (src, dst) {
+ dst.red = src.red;
+ dst.green = src.green;
+ dst.blue = src.blue;
+ dst.alpha = src.alpha;
+ },
+
+ /* DEST (no-op) */
+ 0x5: function (src, dst) {
+ // Do nothing
+ },
+
+ /* Invert SRC */
+ 0xC: function (src, dst) {
+ dst.red = 0xFF & ~src.red;
+ dst.green = 0xFF & ~src.green;
+ dst.blue = 0xFF & ~src.blue;
+ dst.alpha = src.alpha;
+ },
+
+ /* Invert DEST */
+ 0xA: function (src, dst) {
+ dst.red = 0xFF & ~dst.red;
+ dst.green = 0xFF & ~dst.green;
+ dst.blue = 0xFF & ~dst.blue;
+ },
+
+ /* AND */
+ 0x1: function (src, dst) {
+ dst.red = ( src.red & dst.red);
+ dst.green = ( src.green & dst.green);
+ dst.blue = ( src.blue & dst.blue);
+ },
+
+ /* NAND */
+ 0xE: function (src, dst) {
+ dst.red = 0xFF & ~( src.red & dst.red);
+ dst.green = 0xFF & ~( src.green & dst.green);
+ dst.blue = 0xFF & ~( src.blue & dst.blue);
+ },
+
+ /* OR */
+ 0x7: function (src, dst) {
+ dst.red = ( src.red | dst.red);
+ dst.green = ( src.green | dst.green);
+ dst.blue = ( src.blue | dst.blue);
+ },
+
+ /* NOR */
+ 0x8: function (src, dst) {
+ dst.red = 0xFF & ~( src.red | dst.red);
+ dst.green = 0xFF & ~( src.green | dst.green);
+ dst.blue = 0xFF & ~( src.blue | dst.blue);
+ },
+
+ /* XOR */
+ 0x6: function (src, dst) {
+ dst.red = ( src.red ^ dst.red);
+ dst.green = ( src.green ^ dst.green);
+ dst.blue = ( src.blue ^ dst.blue);
+ },
+
+ /* XNOR */
+ 0x9: function (src, dst) {
+ dst.red = 0xFF & ~( src.red ^ dst.red);
+ dst.green = 0xFF & ~( src.green ^ dst.green);
+ dst.blue = 0xFF & ~( src.blue ^ dst.blue);
+ },
+
+ /* AND inverted source */
+ 0x4: function (src, dst) {
+ dst.red = 0xFF & (~src.red & dst.red);
+ dst.green = 0xFF & (~src.green & dst.green);
+ dst.blue = 0xFF & (~src.blue & dst.blue);
+ },
+
+ /* OR inverted source */
+ 0xD: function (src, dst) {
+ dst.red = 0xFF & (~src.red | dst.red);
+ dst.green = 0xFF & (~src.green | dst.green);
+ dst.blue = 0xFF & (~src.blue | dst.blue);
+ },
+
+ /* AND inverted destination */
+ 0x2: function (src, dst) {
+ dst.red = 0xFF & ( src.red & ~dst.red);
+ dst.green = 0xFF & ( src.green & ~dst.green);
+ dst.blue = 0xFF & ( src.blue & ~dst.blue);
+ },
+
+ /* OR inverted destination */
+ 0xB: function (src, dst) {
+ dst.red = 0xFF & ( src.red | ~dst.red);
+ dst.green = 0xFF & ( src.green | ~dst.green);
+ dst.blue = 0xFF & ( src.blue | ~dst.blue);
+ }
+
+};
projects / guacamole-common-js.git / blobdiff