diff options
Diffstat (limited to 'core/fpdfapi')
| -rw-r--r-- | core/fpdfapi/page/cpdf_page.cpp | 26 | ||||
| -rw-r--r-- | core/fpdfapi/page/cpdf_page.h | 12 |
2 files changed, 38 insertions, 0 deletions
diff --git a/core/fpdfapi/page/cpdf_page.cpp b/core/fpdfapi/page/cpdf_page.cpp index eb1f0b535d..06043ead35 100644 --- a/core/fpdfapi/page/cpdf_page.cpp +++ b/core/fpdfapi/page/cpdf_page.cpp @@ -118,6 +118,32 @@ CFX_FloatRect CPDF_Page::GetBox(const ByteString& name) const { return box; } +void CPDF_Page::DeviceToPage(const FX_RECT& rect, + int rotate, + const CFX_PointF& device_point, + double* page_x, + double* page_y) const { + CFX_Matrix page2device = GetDisplayMatrix(rect, rotate); + CFX_PointF pos = page2device.GetInverse().Transform(device_point); + + *page_x = pos.x; + *page_y = pos.y; +} + +void CPDF_Page::PageToDevice(const FX_RECT& rect, + int rotate, + double page_x, + double page_y, + int* device_x, + int* device_y) const { + CFX_Matrix page2device = GetDisplayMatrix(rect, rotate); + CFX_PointF pos = page2device.Transform( + CFX_PointF(static_cast<float>(page_x), static_cast<float>(page_y))); + + *device_x = FXSYS_round(pos.x); + *device_y = FXSYS_round(pos.y); +} + CFX_Matrix CPDF_Page::GetDisplayMatrix(const FX_RECT& rect, int iRotate) const { if (m_PageSize.width == 0 || m_PageSize.height == 0) return CFX_Matrix(); diff --git a/core/fpdfapi/page/cpdf_page.h b/core/fpdfapi/page/cpdf_page.h index 39c1b72c27..d199ea41db 100644 --- a/core/fpdfapi/page/cpdf_page.h +++ b/core/fpdfapi/page/cpdf_page.h @@ -33,6 +33,18 @@ class CPDF_Page : public CPDF_PageObjectHolder { void ParseContent(); + void DeviceToPage(const FX_RECT& rect, + int rotate, + const CFX_PointF& device_point, + double* page_x, + double* page_y) const; + void PageToDevice(const FX_RECT& rect, + int rotate, + double page_x, + double page_y, + int* device_x, + int* device_y) const; + CFX_Matrix GetDisplayMatrix(const FX_RECT& rect, int iRotate) const; float GetPageWidth() const { return m_PageSize.width; } |