| 71 | } |
| 72 | |
| 73 | extern "C" SIZE DWriteGetTextExtent(glyph_generator *GlyphGen, int StringLen, wchar_t *String) |
| 74 | { |
| 75 | SIZE Result = {0}; |
| 76 | |
| 77 | IDWriteTextLayout *Layout = 0; |
| 78 | GlyphGen->DWriteFactory->CreateTextLayout(String, StringLen, GlyphGen->TextFormat, |
| 79 | (float)GlyphGen->TransferWidth, (float)GlyphGen->TransferHeight, &Layout); |
| 80 | if(Layout) |
| 81 | { |
| 82 | DWRITE_TEXT_METRICS Metrics = {0}; |
| 83 | Layout->GetMetrics(&Metrics); |
| 84 | Assert(Metrics.left == 0); |
| 85 | Assert(Metrics.top == 0); |
| 86 | Result.cx = (uint32_t)(Metrics.width + 0.5f); |
| 87 | Result.cy = (uint32_t)(Metrics.height + 0.5f); |
| 88 | |
| 89 | Layout->Release(); |
| 90 | } |
| 91 | |
| 92 | return Result; |
| 93 | } |
| 94 | |
| 95 | void DWriteReleaseFont(glyph_generator *GlyphGen) |
| 96 | { |