FX_BOOL CRF_TextPage::ParseTextPage()
{
if(!m_pRefPage) {
return FALSE;
}
int count = m_pRefPage->m_pReflowed->GetSize();
if(count < 500) {
m_pDataList = FX_NEW CRF_CharDataPtrArray(count);
} else {
m_pDataList = FX_NEW CRF_CharDataPtrArray(500);
}
if (NULL == m_pDataList) {
return FALSE;
}
for(int i = 0; i < count; i++) {
CRF_Data* pData = (*(m_pRefPage->m_pReflowed))[i];
if(pData->GetType() == CRF_Data::Text) {
m_pDataList->Add((CRF_CharData*)pData);
}
}
m_CountBSArray = FX_NEW CFX_CountBSINT32Array(20);
if(NULL == m_CountBSArray) {
return FALSE;
}
return TRUE;
}
void CPDF_ProgressiveReflowPageRender::Display(IFX_Pause* pPause)
{
if (NULL == m_pReflowPage) {
m_Status = Done;
return;
}
FX_RECT clipBox = m_pFXDevice->GetClipBox();
int size = m_pReflowPage->m_pReflowed->GetSize();
if (size < 1 || NULL == m_pDisplayMatrix) {
m_Status = Done;
return;
}
for(int i = m_CurrNum; i < size; i++) {
CRF_Data* pData = (*m_pReflowPage->m_pReflowed)[i];
if(!pData) {
continue;
}
CFX_FloatRect rect (pData->m_PosX, pData->m_PosY + pData->m_Height, pData->m_PosX + pData->m_Width, pData->m_PosY);
m_pDisplayMatrix->TransformRect(rect);
if(rect.left > clipBox.right || rect.right < clipBox.left || rect.bottom > clipBox.bottom || rect.top < clipBox.top) {
continue;
}
if(pData->GetType() == CRF_Data::Text) {
CRF_CharData* pCharData = (CRF_CharData*)pData;
CPDF_Font* pPDFFont = pCharData->m_pCharState->m_pFont;
if(pPDFFont->GetFontType() == PDFFONT_TYPE3) {
continue;
}
FX_FLOAT x = pData->m_PosX, y = pData->m_PosY - pCharData->m_pCharState->m_fDescent;
FXTEXT_CHARPOS charpos ;
charpos.m_GlyphIndex = pPDFFont->GlyphFromCharCode(pCharData->m_CharCode);
charpos.m_FontCharWidth = pPDFFont->m_Font.GetGlyphWidth(charpos.m_GlyphIndex);
charpos.m_OriginX = x;
charpos.m_OriginY = y;
FX_FLOAT charW = pData->m_Width * 1000 / pData->m_Height;
if(charW != charpos.m_FontCharWidth) {
charpos.m_bGlyphAdjust = TRUE;
charpos.m_AdjustMatrix[0] = charW / charpos.m_FontCharWidth;
charpos.m_AdjustMatrix[1] = 0;
charpos.m_AdjustMatrix[2] = 0;
charpos.m_AdjustMatrix[3] = 1;
} else {
charpos.m_bGlyphAdjust = FALSE;
}
FX_BOOL bRet = FALSE;
if(m_DisplayColor == -1)
bRet = m_pFXDevice->DrawNormalText(1, &charpos, &(pPDFFont->m_Font),
NULL, pCharData->m_pCharState->m_fFontSize,
m_pDisplayMatrix, pCharData->m_pCharState->m_Color + 0xff000000, FXTEXT_CLEARTYPE);
else
bRet = m_pFXDevice->DrawNormalText(1, &charpos, &(pPDFFont->m_Font),
NULL, pCharData->m_pCharState->m_fFontSize, m_pDisplayMatrix, m_DisplayColor, FXTEXT_CLEARTYPE);
} else if(pData->GetType() == CRF_Data::Image) {
CRF_ImageData* pImageData = (CRF_ImageData*)pData;
if(!pImageData->m_pBitmap) {
continue;
}
int left = 0, top = 0;
CFX_DIBitmap* pDiBmp = NULL;
CFX_DIBSource* pDispSource = pImageData->m_pBitmap;
if(pImageData->m_Matrix.d < 0) {
CFX_AffineMatrix matrix(pImageData->m_Matrix.a, 0, 0, -pImageData->m_Matrix.d, 0, 0);
int left, top;
pDiBmp = pImageData->m_pBitmap->TransformTo(&matrix, left, top);
pDispSource = pDiBmp;
}
if (NULL == pDispSource) {
continue;
}
if (pDispSource->GetFormat() == FXDIB_1bppMask || pDispSource->GetFormat() == FXDIB_8bppMask) {
m_pFXDevice->StretchBitMask(pDispSource, (int)(rect.left + 0.5), (int)(rect.bottom + 0.5), (int)(rect.Width() + 0.5), (int)(rect.Height() + 0.5), 0xff000000);
} else {
m_pFXDevice->StretchDIBits(pDispSource, (int)(rect.left + 0.5), (int)(rect.bottom + 0.5), (int)(rect.Width() + 0.5), (int)(rect.Height() + 0.5));
}
if(m_pFXDevice->GetBitmap() && m_pFXDevice->GetBitmap()->GetFormat() == FXDIB_8bppRgb &&
m_pFXDevice->GetBitmap()->GetPalette() == NULL) {
int nPalette = 0;
switch(m_DitherBits) {
case 0:
nPalette = 0;
break;
case 1:
nPalette = 2;
break;
case 2:
nPalette = 4;
break;
case 3:
nPalette = 8;
break;
case 4:
nPalette = 16;
break;
case 5:
nPalette = 32;
break;
case 6:
nPalette = 64;
break;
case 7:
nPalette = 128;
break;
default:
nPalette = 256;
break;
}
if(nPalette >= 2) {
FX_ARGB * palette = FX_Alloc(FX_ARGB, nPalette);
nPalette --;
palette[0] = 0;
palette[nPalette] = 255;
FX_FLOAT Dither = (FX_FLOAT)255 / (nPalette);
for(int i = 1; i < nPalette; i++) {
palette[i] = (FX_ARGB)(Dither * i + 0.5);
}
FX_RECT tmpRect = rect.GetOutterRect();
m_pFXDevice->GetBitmap()->DitherFS(palette, nPalette + 1, &tmpRect);
FX_Free (palette);
}
}
if(pDiBmp) {
delete pDiBmp;
}
} else if(pData->GetType() == CRF_Data::Path) {
}
if(!(i % 10)) {
if(pPause && pPause->NeedToPauseNow()) {
i++;
m_CurrNum = i;
m_Status = ToBeContinued;
return;
}
}
}
m_CurrNum = size;
m_Status = Done;
}
