[692] | 1 | /*-------------------------------------------------------------------------
|
---|
| 2 | This source file is a part of OGRE
|
---|
| 3 | (Object-oriented Graphics Rendering Engine)
|
---|
| 4 |
|
---|
| 5 | For the latest info, see http://www.ogre3d.org/
|
---|
| 6 |
|
---|
| 7 | Copyright (c) 2000-2005 The OGRE Team
|
---|
| 8 | Also see acknowledgements in Readme.html
|
---|
| 9 |
|
---|
| 10 | This library is free software; you can redistribute it and/or modify it
|
---|
| 11 | under the terms of the GNU Lesser General Public License (LGPL) as
|
---|
| 12 | published by the Free Software Foundation; either version 2.1 of the
|
---|
| 13 | License, or (at your option) any later version.
|
---|
| 14 |
|
---|
| 15 | This library is distributed in the hope that it will be useful, but
|
---|
| 16 | WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
---|
| 17 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
---|
| 18 | License for more details.
|
---|
| 19 |
|
---|
| 20 | You should have received a copy of the GNU Lesser General Public License
|
---|
| 21 | along with this library; if not, write to the Free Software Foundation,
|
---|
| 22 | Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or go to
|
---|
| 23 | http://www.gnu.org/copyleft/lesser.txt
|
---|
| 24 | -------------------------------------------------------------------------*/
|
---|
| 25 | #include "OgreStableHeaders.h"
|
---|
| 26 |
|
---|
| 27 | #include "OgreTextAreaOverlayElement.h"
|
---|
| 28 | #include "OgreRoot.h"
|
---|
| 29 | #include "OgreLogManager.h"
|
---|
| 30 | #include "OgreOverlayManager.h"
|
---|
| 31 | #include "OgreHardwareBufferManager.h"
|
---|
| 32 | #include "OgreHardwareVertexBuffer.h"
|
---|
| 33 | #include "OgreException.h"
|
---|
| 34 | #include "OgreStringConverter.h"
|
---|
| 35 | #include "OgreFont.h"
|
---|
| 36 | #include "OgreFontManager.h"
|
---|
| 37 |
|
---|
| 38 | namespace Ogre {
|
---|
| 39 |
|
---|
| 40 | #define DEFAULT_INITIAL_CHARS 12
|
---|
| 41 | //---------------------------------------------------------------------
|
---|
| 42 | String TextAreaOverlayElement::msTypeName = "TextArea";
|
---|
| 43 | TextAreaOverlayElement::CmdCharHeight TextAreaOverlayElement::msCmdCharHeight;
|
---|
| 44 | TextAreaOverlayElement::CmdSpaceWidth TextAreaOverlayElement::msCmdSpaceWidth;
|
---|
| 45 | TextAreaOverlayElement::CmdFontName TextAreaOverlayElement::msCmdFontName;
|
---|
| 46 | TextAreaOverlayElement::CmdColour TextAreaOverlayElement::msCmdColour;
|
---|
| 47 | TextAreaOverlayElement::CmdColourBottom TextAreaOverlayElement::msCmdColourBottom;
|
---|
| 48 | TextAreaOverlayElement::CmdColourTop TextAreaOverlayElement::msCmdColourTop;
|
---|
| 49 | TextAreaOverlayElement::CmdAlignment TextAreaOverlayElement::msCmdAlignment;
|
---|
| 50 | //---------------------------------------------------------------------
|
---|
| 51 | #define POS_TEX_BINDING 0
|
---|
| 52 | #define COLOUR_BINDING 1
|
---|
| 53 | //---------------------------------------------------------------------
|
---|
| 54 | TextAreaOverlayElement::TextAreaOverlayElement(const String& name)
|
---|
| 55 | : OverlayElement(name)
|
---|
| 56 | {
|
---|
| 57 | mTransparent = false;
|
---|
| 58 | mAlignment = Left;
|
---|
| 59 |
|
---|
| 60 | mColourTop = ColourValue::White;
|
---|
| 61 | mColourBottom = ColourValue::White;
|
---|
| 62 | mColoursChanged = true;
|
---|
| 63 |
|
---|
| 64 | mAllocSize = 0;
|
---|
| 65 |
|
---|
| 66 | mCharHeight = 0.02;
|
---|
| 67 | mPixelCharHeight = 12;
|
---|
| 68 | mSpaceWidth = 0;
|
---|
| 69 | mPixelSpaceWidth = 0;
|
---|
| 70 | mViewportAspectCoef = 1;
|
---|
| 71 |
|
---|
| 72 | if (createParamDictionary("TextAreaOverlayElement"))
|
---|
| 73 | {
|
---|
| 74 | addBaseParameters();
|
---|
| 75 | }
|
---|
| 76 | }
|
---|
| 77 |
|
---|
| 78 | void TextAreaOverlayElement::initialise(void)
|
---|
| 79 | {
|
---|
| 80 | if (!mInitialised)
|
---|
| 81 | {
|
---|
| 82 | // Set up the render op
|
---|
| 83 | // Combine positions and texture coords since they tend to change together
|
---|
| 84 | // since character sizes are different
|
---|
| 85 | mRenderOp.vertexData = new VertexData();
|
---|
| 86 | VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
|
---|
| 87 | size_t offset = 0;
|
---|
| 88 | // Positions
|
---|
| 89 | decl->addElement(POS_TEX_BINDING, offset, VET_FLOAT3, VES_POSITION);
|
---|
| 90 | offset += VertexElement::getTypeSize(VET_FLOAT3);
|
---|
| 91 | // Texcoords
|
---|
| 92 | decl->addElement(POS_TEX_BINDING, offset, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
|
---|
| 93 | offset += VertexElement::getTypeSize(VET_FLOAT2);
|
---|
| 94 | // Colours - store these in a separate buffer because they change less often
|
---|
| 95 | decl->addElement(COLOUR_BINDING, 0, VET_COLOUR, VES_DIFFUSE);
|
---|
| 96 |
|
---|
| 97 | mRenderOp.operationType = RenderOperation::OT_TRIANGLE_LIST;
|
---|
| 98 | mRenderOp.useIndexes = false;
|
---|
| 99 | mRenderOp.vertexData->vertexStart = 0;
|
---|
| 100 | // Vertex buffer will be created in checkMemoryAllocation
|
---|
| 101 |
|
---|
| 102 | checkMemoryAllocation( DEFAULT_INITIAL_CHARS );
|
---|
| 103 |
|
---|
| 104 | mInitialised = true;
|
---|
| 105 | }
|
---|
| 106 |
|
---|
| 107 | }
|
---|
| 108 |
|
---|
| 109 | void TextAreaOverlayElement::checkMemoryAllocation( size_t numChars )
|
---|
| 110 | {
|
---|
| 111 | if( mAllocSize < numChars)
|
---|
| 112 | {
|
---|
| 113 | // Create and bind new buffers
|
---|
| 114 | // Note that old buffers will be deleted automatically through reference counting
|
---|
| 115 |
|
---|
| 116 | // 6 verts per char since we're doing tri lists without indexes
|
---|
| 117 | // Allocate space for positions & texture coords
|
---|
| 118 | VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
|
---|
| 119 | VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
|
---|
| 120 |
|
---|
| 121 | mRenderOp.vertexData->vertexCount = numChars * 6;
|
---|
| 122 |
|
---|
| 123 | // Create dynamic since text tends to change alot
|
---|
| 124 | // positions & texcoords
|
---|
| 125 | HardwareVertexBufferSharedPtr vbuf =
|
---|
| 126 | HardwareBufferManager::getSingleton().
|
---|
| 127 | createVertexBuffer(
|
---|
| 128 | decl->getVertexSize(POS_TEX_BINDING),
|
---|
| 129 | mRenderOp.vertexData->vertexCount,
|
---|
| 130 | HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
|
---|
| 131 | bind->setBinding(POS_TEX_BINDING, vbuf);
|
---|
| 132 |
|
---|
| 133 | // colours
|
---|
| 134 | vbuf = HardwareBufferManager::getSingleton().
|
---|
| 135 | createVertexBuffer(
|
---|
| 136 | decl->getVertexSize(COLOUR_BINDING),
|
---|
| 137 | mRenderOp.vertexData->vertexCount,
|
---|
| 138 | HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
|
---|
| 139 | bind->setBinding(COLOUR_BINDING, vbuf);
|
---|
| 140 |
|
---|
| 141 | mAllocSize = numChars;
|
---|
| 142 | mColoursChanged = true; // force colour buffer regeneration
|
---|
| 143 | }
|
---|
| 144 |
|
---|
| 145 | }
|
---|
| 146 |
|
---|
| 147 | void TextAreaOverlayElement::updatePositionGeometry()
|
---|
| 148 | {
|
---|
| 149 | float *pVert;
|
---|
| 150 |
|
---|
| 151 | if (mpFont.isNull())
|
---|
| 152 | {
|
---|
| 153 | // not initialised yet, probably due to the order of creation in a template
|
---|
| 154 | return;
|
---|
| 155 | }
|
---|
| 156 |
|
---|
| 157 | size_t charlen = mCaption.size();
|
---|
| 158 | checkMemoryAllocation( charlen );
|
---|
| 159 |
|
---|
| 160 | mRenderOp.vertexData->vertexCount = charlen * 6;
|
---|
| 161 | // Get position / texcoord buffer
|
---|
| 162 | HardwareVertexBufferSharedPtr vbuf =
|
---|
| 163 | mRenderOp.vertexData->vertexBufferBinding->getBuffer(POS_TEX_BINDING);
|
---|
| 164 | pVert = static_cast<float*>(
|
---|
| 165 | vbuf->lock(HardwareBuffer::HBL_DISCARD) );
|
---|
| 166 |
|
---|
| 167 | float largestWidth = 0;
|
---|
| 168 | float left = _getDerivedLeft() * 2.0 - 1.0;
|
---|
| 169 | float top = -( (_getDerivedTop() * 2.0 ) - 1.0 );
|
---|
| 170 |
|
---|
| 171 | // Derive space with from a capital A
|
---|
| 172 | if (mSpaceWidth == 0)
|
---|
| 173 | {
|
---|
| 174 | mSpaceWidth = mpFont->getGlyphAspectRatio( 'A' ) * mCharHeight * 2.0 * mViewportAspectCoef;
|
---|
| 175 | }
|
---|
| 176 |
|
---|
| 177 | // Use iterator
|
---|
| 178 | String::iterator i, iend;
|
---|
| 179 | iend = mCaption.end();
|
---|
| 180 | bool newLine = true;
|
---|
| 181 | for( i = mCaption.begin(); i != iend; ++i )
|
---|
| 182 | {
|
---|
| 183 | if( newLine )
|
---|
| 184 | {
|
---|
| 185 | Real len = 0.0f;
|
---|
| 186 | for( String::iterator j = i; j != iend && *j != '\n'; j++ )
|
---|
| 187 | {
|
---|
| 188 | if (*j == ' ')
|
---|
| 189 | {
|
---|
| 190 | len += mSpaceWidth;
|
---|
| 191 | }
|
---|
| 192 | else
|
---|
| 193 | {
|
---|
| 194 | len += mpFont->getGlyphAspectRatio( *j ) * mCharHeight * 2.0 * mViewportAspectCoef;
|
---|
| 195 | }
|
---|
| 196 | }
|
---|
| 197 |
|
---|
| 198 | if( mAlignment == Right )
|
---|
| 199 | left -= len;
|
---|
| 200 | else if( mAlignment == Center )
|
---|
| 201 | left -= len * 0.5;
|
---|
| 202 |
|
---|
| 203 | newLine = false;
|
---|
| 204 | }
|
---|
| 205 |
|
---|
| 206 | if( *i == '\n' )
|
---|
| 207 | {
|
---|
| 208 | left = _getDerivedLeft() * 2.0 - 1.0;
|
---|
| 209 | top -= mCharHeight * 2.0;
|
---|
| 210 | newLine = true;
|
---|
| 211 | // Also reduce tri count
|
---|
| 212 | mRenderOp.vertexData->vertexCount -= 6;
|
---|
| 213 | continue;
|
---|
| 214 | }
|
---|
| 215 |
|
---|
| 216 | if ( *i == ' ')
|
---|
| 217 | {
|
---|
| 218 | // Just leave a gap, no tris
|
---|
| 219 | left += mSpaceWidth;
|
---|
| 220 | // Also reduce tri count
|
---|
| 221 | mRenderOp.vertexData->vertexCount -= 6;
|
---|
| 222 | continue;
|
---|
| 223 | }
|
---|
| 224 |
|
---|
| 225 | Real horiz_height = mpFont->getGlyphAspectRatio( *i ) * mViewportAspectCoef ;
|
---|
| 226 | Real u1, u2, v1, v2;
|
---|
| 227 | mpFont->getGlyphTexCoords( *i, u1, v1, u2, v2 );
|
---|
| 228 |
|
---|
| 229 | // each vert is (x, y, z, u, v)
|
---|
| 230 | //-------------------------------------------------------------------------------------
|
---|
| 231 | // First tri
|
---|
| 232 | //
|
---|
| 233 | // Upper left
|
---|
| 234 | *pVert++ = left;
|
---|
| 235 | *pVert++ = top;
|
---|
| 236 | *pVert++ = -1.0;
|
---|
| 237 | *pVert++ = u1;
|
---|
| 238 | *pVert++ = v1;
|
---|
| 239 |
|
---|
| 240 | top -= mCharHeight * 2.0;
|
---|
| 241 |
|
---|
| 242 | // Bottom left
|
---|
| 243 | *pVert++ = left;
|
---|
| 244 | *pVert++ = top;
|
---|
| 245 | *pVert++ = -1.0;
|
---|
| 246 | *pVert++ = u1;
|
---|
| 247 | *pVert++ = v2;
|
---|
| 248 |
|
---|
| 249 | top += mCharHeight * 2.0;
|
---|
| 250 | left += horiz_height * mCharHeight * 2.0;
|
---|
| 251 |
|
---|
| 252 | // Top right
|
---|
| 253 | *pVert++ = left;
|
---|
| 254 | *pVert++ = top;
|
---|
| 255 | *pVert++ = -1.0;
|
---|
| 256 | *pVert++ = u2;
|
---|
| 257 | *pVert++ = v1;
|
---|
| 258 | //-------------------------------------------------------------------------------------
|
---|
| 259 |
|
---|
| 260 | //-------------------------------------------------------------------------------------
|
---|
| 261 | // Second tri
|
---|
| 262 | //
|
---|
| 263 | // Top right (again)
|
---|
| 264 | *pVert++ = left;
|
---|
| 265 | *pVert++ = top;
|
---|
| 266 | *pVert++ = -1.0;
|
---|
| 267 | *pVert++ = u2;
|
---|
| 268 | *pVert++ = v1;
|
---|
| 269 |
|
---|
| 270 | top -= mCharHeight * 2.0;
|
---|
| 271 | left -= horiz_height * mCharHeight * 2.0;
|
---|
| 272 |
|
---|
| 273 | // Bottom left (again)
|
---|
| 274 | *pVert++ = left;
|
---|
| 275 | *pVert++ = top;
|
---|
| 276 | *pVert++ = -1.0;
|
---|
| 277 | *pVert++ = u1;
|
---|
| 278 | *pVert++ = v2;
|
---|
| 279 |
|
---|
| 280 | left += horiz_height * mCharHeight * 2.0;
|
---|
| 281 |
|
---|
| 282 | // Bottom right
|
---|
| 283 | *pVert++ = left;
|
---|
| 284 | *pVert++ = top;
|
---|
| 285 | *pVert++ = -1.0;
|
---|
| 286 | *pVert++ = u2;
|
---|
| 287 | *pVert++ = v2;
|
---|
| 288 | //-------------------------------------------------------------------------------------
|
---|
| 289 |
|
---|
| 290 | // Go back up with top
|
---|
| 291 | top += mCharHeight * 2.0;
|
---|
| 292 |
|
---|
| 293 | float currentWidth = (left + 1)/2 - _getDerivedLeft();
|
---|
| 294 | if (currentWidth > largestWidth)
|
---|
| 295 | {
|
---|
| 296 | largestWidth = currentWidth;
|
---|
| 297 |
|
---|
| 298 | }
|
---|
| 299 | }
|
---|
| 300 | // Unlock vertex buffer
|
---|
| 301 | vbuf->unlock();
|
---|
| 302 |
|
---|
| 303 | if (mMetricsMode == GMM_PIXELS)
|
---|
| 304 | {
|
---|
| 305 | // Derive parametric version of dimensions
|
---|
| 306 | Real vpWidth;
|
---|
| 307 | vpWidth = (Real) (OverlayManager::getSingleton().getViewportWidth());
|
---|
| 308 |
|
---|
| 309 | largestWidth *= vpWidth;
|
---|
| 310 | };
|
---|
| 311 |
|
---|
| 312 | if (getWidth() < largestWidth)
|
---|
| 313 | setWidth(largestWidth);
|
---|
| 314 | }
|
---|
| 315 |
|
---|
| 316 | void TextAreaOverlayElement::updateTextureGeometry()
|
---|
| 317 | {
|
---|
| 318 | // Nothing to do, we combine positions and textures
|
---|
| 319 | }
|
---|
| 320 |
|
---|
| 321 | void TextAreaOverlayElement::setCaption( const String& caption )
|
---|
| 322 | {
|
---|
| 323 | mCaption = caption;
|
---|
| 324 | mGeomPositionsOutOfDate = true;
|
---|
| 325 | mGeomUVsOutOfDate = true;
|
---|
| 326 | }
|
---|
| 327 | const String& TextAreaOverlayElement::getCaption() const
|
---|
| 328 | {
|
---|
| 329 | return mCaption;
|
---|
| 330 | }
|
---|
| 331 |
|
---|
| 332 | void TextAreaOverlayElement::setFontName( const String& font )
|
---|
| 333 | {
|
---|
| 334 | mpFont = FontManager::getSingleton().getByName( font );
|
---|
| 335 | if (mpFont.isNull())
|
---|
| 336 | OGRE_EXCEPT( Exception::ERR_ITEM_NOT_FOUND, "Could not find font " + font,
|
---|
| 337 | "TextAreaOverlayElement::setFontName" );
|
---|
| 338 | mpFont->load();
|
---|
| 339 | mpMaterial = mpFont->getMaterial();
|
---|
| 340 | mpMaterial->setDepthCheckEnabled(false);
|
---|
| 341 | mpMaterial->setLightingEnabled(false);
|
---|
| 342 |
|
---|
| 343 | mGeomPositionsOutOfDate = true;
|
---|
| 344 | mGeomUVsOutOfDate = true;
|
---|
| 345 | }
|
---|
| 346 | const String& TextAreaOverlayElement::getFontName() const
|
---|
| 347 | {
|
---|
| 348 | return mpFont->getName();
|
---|
| 349 | }
|
---|
| 350 |
|
---|
| 351 | void TextAreaOverlayElement::setCharHeight( Real height )
|
---|
| 352 | {
|
---|
| 353 | if (mMetricsMode != GMM_RELATIVE)
|
---|
| 354 | {
|
---|
| 355 | mPixelCharHeight = height;
|
---|
| 356 | }
|
---|
| 357 | else
|
---|
| 358 | {
|
---|
| 359 | mCharHeight = height;
|
---|
| 360 | }
|
---|
| 361 | mGeomPositionsOutOfDate = true;
|
---|
| 362 | }
|
---|
| 363 | Real TextAreaOverlayElement::getCharHeight() const
|
---|
| 364 | {
|
---|
| 365 | if (mMetricsMode == GMM_PIXELS)
|
---|
| 366 | {
|
---|
| 367 | return mPixelCharHeight;
|
---|
| 368 | }
|
---|
| 369 | else
|
---|
| 370 | {
|
---|
| 371 | return mCharHeight;
|
---|
| 372 | }
|
---|
| 373 | }
|
---|
| 374 |
|
---|
| 375 | void TextAreaOverlayElement::setSpaceWidth( Real width )
|
---|
| 376 | {
|
---|
| 377 | if (mMetricsMode != GMM_RELATIVE)
|
---|
| 378 | {
|
---|
| 379 | mPixelSpaceWidth = width;
|
---|
| 380 | }
|
---|
| 381 | else
|
---|
| 382 | {
|
---|
| 383 | mSpaceWidth = width;
|
---|
| 384 | }
|
---|
| 385 |
|
---|
| 386 | mGeomPositionsOutOfDate = true;
|
---|
| 387 | }
|
---|
| 388 | Real TextAreaOverlayElement::getSpaceWidth() const
|
---|
| 389 | {
|
---|
| 390 | if (mMetricsMode == GMM_PIXELS)
|
---|
| 391 | {
|
---|
| 392 | return mPixelSpaceWidth;
|
---|
| 393 | }
|
---|
| 394 | else
|
---|
| 395 | {
|
---|
| 396 | return mSpaceWidth;
|
---|
| 397 | }
|
---|
| 398 | }
|
---|
| 399 |
|
---|
| 400 | //---------------------------------------------------------------------
|
---|
| 401 | TextAreaOverlayElement::~TextAreaOverlayElement()
|
---|
| 402 | {
|
---|
| 403 | delete mRenderOp.vertexData;
|
---|
| 404 | }
|
---|
| 405 | //---------------------------------------------------------------------
|
---|
| 406 | const String& TextAreaOverlayElement::getTypeName(void) const
|
---|
| 407 | {
|
---|
| 408 | return msTypeName;
|
---|
| 409 | }
|
---|
| 410 | //---------------------------------------------------------------------
|
---|
| 411 | void TextAreaOverlayElement::getRenderOperation(RenderOperation& op)
|
---|
| 412 | {
|
---|
| 413 | op = mRenderOp;
|
---|
| 414 | }
|
---|
| 415 | //---------------------------------------------------------------------
|
---|
| 416 | void TextAreaOverlayElement::setMaterialName(const String& matName)
|
---|
| 417 | {
|
---|
| 418 | OverlayElement::setMaterialName(matName);
|
---|
| 419 | }
|
---|
| 420 | //---------------------------------------------------------------------
|
---|
| 421 | void TextAreaOverlayElement::addBaseParameters(void)
|
---|
| 422 | {
|
---|
| 423 | OverlayElement::addBaseParameters();
|
---|
| 424 | ParamDictionary* dict = getParamDictionary();
|
---|
| 425 |
|
---|
| 426 | dict->addParameter(ParameterDef("char_height",
|
---|
| 427 | "Sets the height of the characters in relation to the screen."
|
---|
| 428 | , PT_REAL),
|
---|
| 429 | &msCmdCharHeight);
|
---|
| 430 |
|
---|
| 431 | dict->addParameter(ParameterDef("space_width",
|
---|
| 432 | "Sets the width of a space in relation to the screen."
|
---|
| 433 | , PT_REAL),
|
---|
| 434 | &msCmdSpaceWidth);
|
---|
| 435 |
|
---|
| 436 | dict->addParameter(ParameterDef("font_name",
|
---|
| 437 | "Sets the name of the font to use."
|
---|
| 438 | , PT_STRING),
|
---|
| 439 | &msCmdFontName);
|
---|
| 440 |
|
---|
| 441 | dict->addParameter(ParameterDef("colour",
|
---|
| 442 | "Sets the colour of the font (a solid colour)."
|
---|
| 443 | , PT_STRING),
|
---|
| 444 | &msCmdColour);
|
---|
| 445 |
|
---|
| 446 | dict->addParameter(ParameterDef("colour_bottom",
|
---|
| 447 | "Sets the colour of the font at the bottom (a gradient colour)."
|
---|
| 448 | , PT_STRING),
|
---|
| 449 | &msCmdColourBottom);
|
---|
| 450 |
|
---|
| 451 | dict->addParameter(ParameterDef("colour_top",
|
---|
| 452 | "Sets the colour of the font at the top (a gradient colour)."
|
---|
| 453 | , PT_STRING),
|
---|
| 454 | &msCmdColourTop);
|
---|
| 455 |
|
---|
| 456 | dict->addParameter(ParameterDef("alignment",
|
---|
| 457 | "Sets the alignment of the text: 'left', 'center' or 'right'."
|
---|
| 458 | , PT_STRING),
|
---|
| 459 | &msCmdAlignment);
|
---|
| 460 | }
|
---|
| 461 | //---------------------------------------------------------------------
|
---|
| 462 | void TextAreaOverlayElement::setColour(const ColourValue& col)
|
---|
| 463 | {
|
---|
| 464 | mColourBottom = mColourTop = col;
|
---|
| 465 | mColoursChanged = true;
|
---|
| 466 | }
|
---|
| 467 | //---------------------------------------------------------------------
|
---|
| 468 | const ColourValue& TextAreaOverlayElement::getColour(void) const
|
---|
| 469 | {
|
---|
| 470 | // Either one
|
---|
| 471 | return mColourTop;
|
---|
| 472 | }
|
---|
| 473 | //---------------------------------------------------------------------
|
---|
| 474 | void TextAreaOverlayElement::setColourBottom(const ColourValue& col)
|
---|
| 475 | {
|
---|
| 476 | mColourBottom = col;
|
---|
| 477 | mColoursChanged = true;
|
---|
| 478 | }
|
---|
| 479 | //---------------------------------------------------------------------
|
---|
| 480 | const ColourValue& TextAreaOverlayElement::getColourBottom(void) const
|
---|
| 481 | {
|
---|
| 482 | return mColourBottom;
|
---|
| 483 | }
|
---|
| 484 | //---------------------------------------------------------------------
|
---|
| 485 | void TextAreaOverlayElement::setColourTop(const ColourValue& col)
|
---|
| 486 | {
|
---|
| 487 | mColourTop = col;
|
---|
| 488 | mColoursChanged = true;
|
---|
| 489 | }
|
---|
| 490 | //---------------------------------------------------------------------
|
---|
| 491 | const ColourValue& TextAreaOverlayElement::getColourTop(void) const
|
---|
| 492 | {
|
---|
| 493 | return mColourTop;
|
---|
| 494 | }
|
---|
| 495 | //---------------------------------------------------------------------
|
---|
| 496 | void TextAreaOverlayElement::updateColours(void)
|
---|
| 497 | {
|
---|
| 498 | // Convert to system-specific
|
---|
| 499 | RGBA topColour, bottomColour;
|
---|
| 500 | Root::getSingleton().convertColourValue(mColourTop, &topColour);
|
---|
| 501 | Root::getSingleton().convertColourValue(mColourBottom, &bottomColour);
|
---|
| 502 |
|
---|
| 503 | HardwareVertexBufferSharedPtr vbuf =
|
---|
| 504 | mRenderOp.vertexData->vertexBufferBinding->getBuffer(COLOUR_BINDING);
|
---|
| 505 |
|
---|
| 506 | RGBA* pDest = static_cast<RGBA*>(
|
---|
| 507 | vbuf->lock(HardwareBuffer::HBL_DISCARD) );
|
---|
| 508 |
|
---|
| 509 | for (size_t i = 0; i < mAllocSize; ++i)
|
---|
| 510 | {
|
---|
| 511 | // First tri (top, bottom, top)
|
---|
| 512 | *pDest++ = topColour;
|
---|
| 513 | *pDest++ = bottomColour;
|
---|
| 514 | *pDest++ = topColour;
|
---|
| 515 | // Second tri (top, bottom, bottom)
|
---|
| 516 | *pDest++ = topColour;
|
---|
| 517 | *pDest++ = bottomColour;
|
---|
| 518 | *pDest++ = bottomColour;
|
---|
| 519 | }
|
---|
| 520 | vbuf->unlock();
|
---|
| 521 |
|
---|
| 522 | }
|
---|
| 523 | //-----------------------------------------------------------------------
|
---|
| 524 | void TextAreaOverlayElement::setMetricsMode(GuiMetricsMode gmm)
|
---|
| 525 | {
|
---|
| 526 | Real vpWidth, vpHeight;
|
---|
| 527 |
|
---|
| 528 | vpWidth = (Real) (OverlayManager::getSingleton().getViewportWidth());
|
---|
| 529 | vpHeight = (Real) (OverlayManager::getSingleton().getViewportHeight());
|
---|
| 530 | mViewportAspectCoef = vpHeight/vpWidth;
|
---|
| 531 |
|
---|
| 532 | OverlayElement::setMetricsMode(gmm);
|
---|
| 533 | if (gmm != GMM_RELATIVE)
|
---|
| 534 | {
|
---|
| 535 | // Set pixel variables based on viewport multipliers
|
---|
| 536 | mPixelCharHeight = mCharHeight * vpHeight;
|
---|
| 537 | mPixelSpaceWidth = mSpaceWidth * vpHeight;
|
---|
| 538 | }
|
---|
| 539 | }
|
---|
| 540 |
|
---|
| 541 | //-----------------------------------------------------------------------
|
---|
| 542 | void TextAreaOverlayElement::_update(void)
|
---|
| 543 | {
|
---|
| 544 | Real vpWidth, vpHeight;
|
---|
| 545 |
|
---|
| 546 | vpWidth = (Real) (OverlayManager::getSingleton().getViewportWidth());
|
---|
| 547 | vpHeight = (Real) (OverlayManager::getSingleton().getViewportHeight());
|
---|
| 548 | mViewportAspectCoef = vpHeight/vpWidth;
|
---|
| 549 |
|
---|
| 550 | if (mMetricsMode != GMM_RELATIVE &&
|
---|
| 551 | (OverlayManager::getSingleton().hasViewportChanged() || mGeomPositionsOutOfDate))
|
---|
| 552 | {
|
---|
| 553 | // Recalc character size
|
---|
| 554 |
|
---|
| 555 | mCharHeight = (Real) mPixelCharHeight / vpHeight;
|
---|
| 556 | mSpaceWidth = (Real) mPixelSpaceWidth / vpHeight;
|
---|
| 557 | mGeomPositionsOutOfDate = true;
|
---|
| 558 | }
|
---|
| 559 | OverlayElement::_update();
|
---|
| 560 |
|
---|
| 561 | if (mColoursChanged && mInitialised)
|
---|
| 562 | {
|
---|
| 563 | updateColours();
|
---|
| 564 | mColoursChanged = false;
|
---|
| 565 | }
|
---|
| 566 | }
|
---|
| 567 | //---------------------------------------------------------------------------------------------
|
---|
| 568 | // Char height command object
|
---|
| 569 | //
|
---|
| 570 | String TextAreaOverlayElement::CmdCharHeight::doGet( const void* target ) const
|
---|
| 571 | {
|
---|
| 572 | return StringConverter::toString(
|
---|
| 573 | static_cast< const TextAreaOverlayElement* >( target )->getCharHeight() );
|
---|
| 574 | }
|
---|
| 575 | void TextAreaOverlayElement::CmdCharHeight::doSet( void* target, const String& val )
|
---|
| 576 | {
|
---|
| 577 | static_cast< TextAreaOverlayElement* >( target )->setCharHeight(
|
---|
| 578 | StringConverter::parseReal( val ) );
|
---|
| 579 | }
|
---|
| 580 | //---------------------------------------------------------------------------------------------
|
---|
| 581 | // Space width command object
|
---|
| 582 | //
|
---|
| 583 | String TextAreaOverlayElement::CmdSpaceWidth::doGet( const void* target ) const
|
---|
| 584 | {
|
---|
| 585 | return StringConverter::toString(
|
---|
| 586 | static_cast< const TextAreaOverlayElement* >( target )->getSpaceWidth() );
|
---|
| 587 | }
|
---|
| 588 | void TextAreaOverlayElement::CmdSpaceWidth::doSet( void* target, const String& val )
|
---|
| 589 | {
|
---|
| 590 | static_cast< TextAreaOverlayElement* >( target )->setSpaceWidth(
|
---|
| 591 | StringConverter::parseReal( val ) );
|
---|
| 592 | }
|
---|
| 593 | //---------------------------------------------------------------------------------------------
|
---|
| 594 |
|
---|
| 595 | //---------------------------------------------------------------------------------------------
|
---|
| 596 | // Font name command object
|
---|
| 597 | //
|
---|
| 598 | String TextAreaOverlayElement::CmdFontName::doGet( const void* target ) const
|
---|
| 599 | {
|
---|
| 600 | return static_cast< const TextAreaOverlayElement* >( target )->getFontName();
|
---|
| 601 | }
|
---|
| 602 | void TextAreaOverlayElement::CmdFontName::doSet( void* target, const String& val )
|
---|
| 603 | {
|
---|
| 604 | static_cast< TextAreaOverlayElement* >( target )->setFontName( val );
|
---|
| 605 | }
|
---|
| 606 | //---------------------------------------------------------------------------------------------
|
---|
| 607 | //---------------------------------------------------------------------------------------------
|
---|
| 608 | // Colour command object
|
---|
| 609 | //
|
---|
| 610 | String TextAreaOverlayElement::CmdColour::doGet( const void* target ) const
|
---|
| 611 | {
|
---|
| 612 | return StringConverter::toString (
|
---|
| 613 | static_cast< const TextAreaOverlayElement* >( target )->getColour());
|
---|
| 614 | }
|
---|
| 615 | void TextAreaOverlayElement::CmdColour::doSet( void* target, const String& val )
|
---|
| 616 | {
|
---|
| 617 | static_cast< TextAreaOverlayElement* >( target )->setColour(
|
---|
| 618 | StringConverter::parseColourValue(val) );
|
---|
| 619 | }
|
---|
| 620 | //---------------------------------------------------------------------------------------------
|
---|
| 621 | //---------------------------------------------------------------------------------------------
|
---|
| 622 | //---------------------------------------------------------------------------------------------
|
---|
| 623 | // Top colour command object
|
---|
| 624 | //
|
---|
| 625 | String TextAreaOverlayElement::CmdColourTop::doGet( const void* target ) const
|
---|
| 626 | {
|
---|
| 627 | return StringConverter::toString (
|
---|
| 628 | static_cast< const TextAreaOverlayElement* >( target )->getColourTop());
|
---|
| 629 | }
|
---|
| 630 | void TextAreaOverlayElement::CmdColourTop::doSet( void* target, const String& val )
|
---|
| 631 | {
|
---|
| 632 | static_cast< TextAreaOverlayElement* >( target )->setColourTop(
|
---|
| 633 | StringConverter::parseColourValue(val) );
|
---|
| 634 | }
|
---|
| 635 | //---------------------------------------------------------------------------------------------
|
---|
| 636 | //---------------------------------------------------------------------------------------------
|
---|
| 637 | //---------------------------------------------------------------------------------------------
|
---|
| 638 | // Bottom colour command object
|
---|
| 639 | //
|
---|
| 640 | String TextAreaOverlayElement::CmdColourBottom::doGet( const void* target ) const
|
---|
| 641 | {
|
---|
| 642 | return StringConverter::toString (
|
---|
| 643 | static_cast< const TextAreaOverlayElement* >( target )->getColourBottom());
|
---|
| 644 | }
|
---|
| 645 | void TextAreaOverlayElement::CmdColourBottom::doSet( void* target, const String& val )
|
---|
| 646 | {
|
---|
| 647 | static_cast< TextAreaOverlayElement* >( target )->setColourBottom(
|
---|
| 648 | StringConverter::parseColourValue(val) );
|
---|
| 649 | }
|
---|
| 650 | //---------------------------------------------------------------------------------------------
|
---|
| 651 | //---------------------------------------------------------------------------------------------
|
---|
| 652 | //---------------------------------------------------------------------------------------------
|
---|
| 653 | // Alignment command object
|
---|
| 654 | //
|
---|
| 655 | String TextAreaOverlayElement::CmdAlignment::doGet( const void* target ) const
|
---|
| 656 | {
|
---|
| 657 | Alignment align = static_cast< const TextAreaOverlayElement* >( target )->getAlignment();
|
---|
| 658 | switch (align)
|
---|
| 659 | {
|
---|
| 660 | case Left:
|
---|
| 661 | return "left";
|
---|
| 662 | case Center:
|
---|
| 663 | return "center";
|
---|
| 664 | case Right:
|
---|
| 665 | return "right";
|
---|
| 666 |
|
---|
| 667 | }
|
---|
| 668 | // To keep compiler happy
|
---|
| 669 | return "left";
|
---|
| 670 | }
|
---|
| 671 | void TextAreaOverlayElement::CmdAlignment::doSet( void* target, const String& val )
|
---|
| 672 | {
|
---|
| 673 | if (val == "center")
|
---|
| 674 | {
|
---|
| 675 | static_cast< TextAreaOverlayElement* >( target )->setAlignment(Center);
|
---|
| 676 | }
|
---|
| 677 | else if (val == "right")
|
---|
| 678 | {
|
---|
| 679 | static_cast< TextAreaOverlayElement* >( target )->setAlignment(Right);
|
---|
| 680 | }
|
---|
| 681 | else
|
---|
| 682 | {
|
---|
| 683 | static_cast< TextAreaOverlayElement* >( target )->setAlignment(Left);
|
---|
| 684 | }
|
---|
| 685 | }
|
---|
| 686 | //---------------------------------------------------------------------------------------------
|
---|
| 687 | }
|
---|