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Redistributions of source code must retain the above copyright 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * its contributors may be used to endorse or promote products derived 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * from this software without specific prior written permission. 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "GlyphPageTreeNode.h" 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "SimpleFontData.h" 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectbool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData) 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // bufferLength will be greater than the requested number of glyphs if the buffer contains surrogate pairs. 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // We won't support this for now. 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (bufferLength > length) 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return false; 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool haveGlyphs = false; 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project HDC dc = GetDC((HWND)0); 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project SaveDC(dc); 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project SelectObject(dc, fontData->platformData().hfont()); 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project TEXTMETRIC tm; 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project GetTextMetrics(dc, &tm); 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project WORD localGlyphBuffer[GlyphPage::size * 2]; 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project DWORD result = GetGlyphIndices(dc, buffer, bufferLength, localGlyphBuffer, 0); 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool success = result != GDI_ERROR && static_cast<unsigned>(result) == bufferLength; 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (success) { 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project for (unsigned i = 0; i < length; i++) { 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Glyph glyph = localGlyphBuffer[i]; 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!glyph) 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project setGlyphDataForIndex(offset + i, 0, 0); 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project else { 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project setGlyphDataForIndex(offset + i, glyph, fontData); 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project haveGlyphs = true; 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project RestoreDC(dc, -1); 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ReleaseDC(0, dc); 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return haveGlyphs; 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 73