| // Copyright 2017 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FXGE_DIB_SCANLINECOMPOSER_IFACE_H_ |
| #define CORE_FXGE_DIB_SCANLINECOMPOSER_IFACE_H_ |
| |
| #include "core/fxge/dib/fx_dib.h" |
| #include "third_party/base/span.h" |
| |
| class ScanlineComposerIface { |
| public: |
| virtual ~ScanlineComposerIface() = default; |
| |
| virtual void ComposeScanline( |
| int line, |
| pdfium::span<const uint8_t> scanline, |
| pdfium::span<const uint8_t> scan_extra_alpha) = 0; |
| |
| virtual bool SetInfo(int width, |
| int height, |
| FXDIB_Format src_format, |
| pdfium::span<const uint32_t> src_palette) = 0; |
| }; |
| |
| #endif // CORE_FXGE_DIB_SCANLINECOMPOSER_IFACE_H_ |
