CFX_Matrix CFFL_FormFiller::GetCurMatrix() {
CFX_Matrix mt;
CFX_FloatRect rcDA;
m_pWidget->GetPDFAnnot()->GetRect(rcDA);
switch (m_pWidget->GetRotate()) {
default:
case 0:
mt = CFX_Matrix(1, 0, 0, 1, 0, 0);
break;
case 90:
mt = CFX_Matrix(0, 1, -1, 0, rcDA.right - rcDA.left, 0);
break;
case 180:
mt = CFX_Matrix(-1, 0, 0, -1, rcDA.right - rcDA.left,
rcDA.top - rcDA.bottom);
break;
case 270:
mt = CFX_Matrix(0, -1, 1, 0, 0, rcDA.top - rcDA.bottom);
break;
}
mt.e += rcDA.left;
mt.f += rcDA.bottom;
return mt;
}
void CPWL_Wnd::Create(const PWL_CREATEPARAM& cp) {
if (!IsValid()) {
m_sPrivateParam = cp;
OnCreate(m_sPrivateParam);
m_sPrivateParam.rcRectWnd.Normalize();
m_rcWindow = m_sPrivateParam.rcRectWnd;
m_rcClip = CPWL_Utils::InflateRect(m_rcWindow, 1.0f);
CreateMsgControl();
if (m_sPrivateParam.pParentWnd)
m_sPrivateParam.pParentWnd->OnNotify(this, PNM_ADDCHILD);
PWL_CREATEPARAM ccp = m_sPrivateParam;
ccp.dwFlags &= 0xFFFF0000L; // remove sub styles
ccp.mtChild = CFX_Matrix(1, 0, 0, 1, 0, 0);
CreateScrollBar(ccp);
CreateChildWnd(ccp);
m_bVisible = HasFlag(PWS_VISIBLE);
OnCreated();
RePosChildWnd();
m_bCreated = TRUE;
}
}
CFX_Matrix GetMatrix(CFX_FloatRect rcAnnot,
CFX_FloatRect rcStream,
const CFX_Matrix& matrix) {
if (rcStream.IsEmpty())
return CFX_Matrix();
matrix.TransformRect(rcStream);
rcStream.Normalize();
FX_FLOAT a = rcAnnot.Width() / rcStream.Width();
FX_FLOAT d = rcAnnot.Height() / rcStream.Height();
FX_FLOAT e = rcAnnot.left - rcStream.left * a;
FX_FLOAT f = rcAnnot.bottom - rcStream.bottom * d;
return CFX_Matrix(a, 0, 0, d, e, f);
}
bool CFX_ImageTransformer::Start() {
CFX_FloatRect unit_rect = m_pMatrix->GetUnitRect();
FX_RECT result_rect = unit_rect.GetClosestRect();
FX_RECT result_clip = result_rect;
if (m_pClip)
result_clip.Intersect(*m_pClip);
if (result_clip.IsEmpty())
return false;
m_result = result_clip;
if (FXSYS_fabs(m_pMatrix->a) < FXSYS_fabs(m_pMatrix->b) / 20 &&
FXSYS_fabs(m_pMatrix->d) < FXSYS_fabs(m_pMatrix->c) / 20 &&
FXSYS_fabs(m_pMatrix->a) < 0.5f && FXSYS_fabs(m_pMatrix->d) < 0.5f) {
int dest_width = result_rect.Width();
int dest_height = result_rect.Height();
result_clip.Offset(-result_rect.left, -result_rect.top);
result_clip = FXDIB_SwapClipBox(result_clip, dest_width, dest_height,
m_pMatrix->c > 0, m_pMatrix->b < 0);
m_Stretcher = pdfium::MakeUnique<CFX_ImageStretcher>(
&m_Storer, m_pSrc, dest_height, dest_width, result_clip, m_Flags);
m_Stretcher->Start();
m_Status = 1;
return true;
}
if (FXSYS_fabs(m_pMatrix->b) < FIX16_005 &&
FXSYS_fabs(m_pMatrix->c) < FIX16_005) {
int dest_width = m_pMatrix->a > 0 ? (int)FXSYS_ceil(m_pMatrix->a)
: (int)FXSYS_floor(m_pMatrix->a);
int dest_height = m_pMatrix->d > 0 ? (int)-FXSYS_ceil(m_pMatrix->d)
: (int)-FXSYS_floor(m_pMatrix->d);
result_clip.Offset(-result_rect.left, -result_rect.top);
m_Stretcher = pdfium::MakeUnique<CFX_ImageStretcher>(
&m_Storer, m_pSrc, dest_width, dest_height, result_clip, m_Flags);
m_Stretcher->Start();
m_Status = 2;
return true;
}
int stretch_width = (int)FXSYS_ceil(FXSYS_sqrt2(m_pMatrix->a, m_pMatrix->b));
int stretch_height = (int)FXSYS_ceil(FXSYS_sqrt2(m_pMatrix->c, m_pMatrix->d));
CFX_Matrix stretch2dest(1.0f, 0.0f, 0.0f, -1.0f, 0.0f,
(FX_FLOAT)(stretch_height));
stretch2dest.Concat(
CFX_Matrix(m_pMatrix->a / stretch_width, m_pMatrix->b / stretch_width,
m_pMatrix->c / stretch_height, m_pMatrix->d / stretch_height,
m_pMatrix->e, m_pMatrix->f));
m_dest2stretch.SetReverse(stretch2dest);
CFX_FloatRect clip_rect_f(result_clip);
m_dest2stretch.TransformRect(clip_rect_f);
m_StretchClip = clip_rect_f.GetOuterRect();
m_StretchClip.Intersect(0, 0, stretch_width, stretch_height);
m_Stretcher = pdfium::MakeUnique<CFX_ImageStretcher>(
&m_Storer, m_pSrc, stretch_width, stretch_height, m_StretchClip, m_Flags);
m_Stretcher->Start();
m_Status = 3;
return true;
}
CFX_Matrix CPWL_Image::GetImageMatrix() {
if (m_pPDFStream) {
if (CPDF_Dictionary* pDict = m_pPDFStream->GetDict()) {
return pDict->GetMatrixFor("Matrix");
}
}
return CFX_Matrix();
}
CFX_Matrix CFFL_FormFiller::GetWindowMatrix(void* pAttachedData) {
if (CFFL_PrivateData* pPrivateData = (CFFL_PrivateData*)pAttachedData) {
if (pPrivateData->pPageView) {
CFX_Matrix mtPageView;
pPrivateData->pPageView->GetCurrentMatrix(mtPageView);
CFX_Matrix mt = GetCurMatrix();
mt.Concat(mtPageView);
return mt;
}
}
return CFX_Matrix(1, 0, 0, 1, 0, 0);
}
void CRF_TextPage::GetCharInfo(int index, FPDF_CHAR_INFO & info) const
{
if(index >= CountChars() || index < 0 || !m_pDataList) {
return;
}
CRF_CharData* pData = (*m_pDataList)[index];
FX_FLOAT ReltiveCorddDs = pData->m_pCharState->m_fDescent;
FX_FLOAT ReltiveCorddAs = pData->m_pCharState->m_fAscent;
info.m_Flag = CHAR_NORMAL;
info.m_pTextObj = pData->m_pCharState->m_pTextObj;
info.m_OriginX = pData->m_PosX;
info.m_OriginY = pData->m_PosY - ReltiveCorddDs;
info.m_FontSize = pData->m_pCharState->m_fFontSize;
CFX_FloatRect FloatRectTmp(pData->m_PosX, pData->m_PosY, pData->m_PosX + pData->m_Width, pData->m_PosY + ReltiveCorddAs - ReltiveCorddDs);
info.m_CharBox = FloatRectTmp;
CFX_WideString str = pData->m_pCharState->m_pFont->UnicodeFromCharCode(pData->m_CharCode);
if(!str.IsEmpty()) {
info.m_Unicode = str.GetAt(0);
} else {
info.m_Unicode = -1;
}
info.m_Charcode = (FX_WCHAR)pData->m_CharCode;
info.m_Matrix = CFX_Matrix(1, 0, 0, 1, 0, 0);
}
// static
CFX_Matrix CFX_RenderDevice::GetFlipMatrix(float width,
float height,
float left,
float top) {
return CFX_Matrix(width, 0, 0, -height, left, top + height);
}
CFX_Matrix CPWL_Wnd::GetChildMatrix() const {
if (HasFlag(PWS_CHILD))
return m_sPrivateParam.mtChild;
return CFX_Matrix(1, 0, 0, 1, 0, 0);
}
CFX_Matrix CFX_QuartzDeviceDriver::GetCTM() const
{
CGAffineTransform ctm = CGContextGetCTM(_context);
return CFX_Matrix(ctm.a, ctm.b, ctm.c, ctm.d, ctm.tx, ctm.ty);
}
