FX_ARGB CPDF_ApSettings::GetColor(int& iColorType, FX_BSTR csEntry)
{
iColorType = COLORTYPE_TRANSPARENT;
if (m_pDict == NULL) {
return 0;
}
FX_ARGB color = 0;
CPDF_Array* pEntry = m_pDict->GetArray(csEntry);
if (pEntry == NULL) {
return color;
}
FX_DWORD dwCount = pEntry->GetCount();
if (dwCount == 1) {
iColorType = COLORTYPE_GRAY;
FX_FLOAT g = pEntry->GetNumber(0) * 255;
color = ArgbEncode(255, (int)g, (int)g, (int)g);
} else if (dwCount == 3) {
iColorType = COLORTYPE_RGB;
FX_FLOAT r = pEntry->GetNumber(0) * 255;
FX_FLOAT g = pEntry->GetNumber(1) * 255;
FX_FLOAT b = pEntry->GetNumber(2) * 255;
color = ArgbEncode(255, (int)r, (int)g, (int)b);
} else if (dwCount == 4) {
iColorType = COLORTYPE_CMYK;
FX_FLOAT c = pEntry->GetNumber(0);
FX_FLOAT m = pEntry->GetNumber(1);
FX_FLOAT y = pEntry->GetNumber(2);
FX_FLOAT k = pEntry->GetNumber(3);
FX_FLOAT r = 1.0f - FX_MIN(1.0f, c + k);
FX_FLOAT g = 1.0f - FX_MIN(1.0f, m + k);
FX_FLOAT b = 1.0f - FX_MIN(1.0f, y + k);
color = ArgbEncode(255, (int)(r * 255), (int)(g * 255), (int)(b * 255));
}
return color;
}
FX_BOOL CPDF_DeviceCS::GetRGB(FX_FLOAT* pBuf,
FX_FLOAT& R,
FX_FLOAT& G,
FX_FLOAT& B) const {
if (m_Family == PDFCS_DEVICERGB) {
R = pBuf[0];
if (R < 0) {
R = 0;
} else if (R > 1) {
R = 1;
}
G = pBuf[1];
if (G < 0) {
G = 0;
} else if (G > 1) {
G = 1;
}
B = pBuf[2];
if (B < 0) {
B = 0;
} else if (B > 1) {
B = 1;
}
} else if (m_Family == PDFCS_DEVICEGRAY) {
R = *pBuf;
if (R < 0) {
R = 0;
} else if (R > 1) {
R = 1;
}
G = B = R;
} else if (m_Family == PDFCS_DEVICECMYK) {
if (!m_dwStdConversion) {
AdobeCMYK_to_sRGB(pBuf[0], pBuf[1], pBuf[2], pBuf[3], R, G, B);
} else {
FX_FLOAT k = pBuf[3];
R = 1.0f - FX_MIN(1.0f, pBuf[0] + k);
G = 1.0f - FX_MIN(1.0f, pBuf[1] + k);
B = 1.0f - FX_MIN(1.0f, pBuf[2] + k);
}
} else {
ASSERT(m_Family == PDFCS_PATTERN);
R = G = B = 0;
return FALSE;
}
return TRUE;
}
FX_BOOL CPDFSDK_Annot::GetColor(FX_COLORREF& color) const
{
ASSERT(m_pAnnot != NULL);
ASSERT(m_pAnnot->m_pAnnotDict != NULL);
if (CPDF_Array* pEntry = m_pAnnot->m_pAnnotDict->GetArray("C"))
{
int nCount = pEntry->GetCount();
if (nCount == 1)
{
FX_FLOAT g = pEntry->GetNumber(0) * 255;
color = FXSYS_RGB((int)g, (int)g, (int)g);
return TRUE;
}
else if (nCount == 3)
{
FX_FLOAT r = pEntry->GetNumber(0) * 255;
FX_FLOAT g = pEntry->GetNumber(1) * 255;
FX_FLOAT b = pEntry->GetNumber(2) * 255;
color = FXSYS_RGB((int)r, (int)g, (int)b);
return TRUE;
}
else if (nCount == 4)
{
FX_FLOAT c = pEntry->GetNumber(0);
FX_FLOAT m = pEntry->GetNumber(1);
FX_FLOAT y = pEntry->GetNumber(2);
FX_FLOAT k = pEntry->GetNumber(3);
FX_FLOAT r = 1.0f - FX_MIN(1.0f, c + k);
FX_FLOAT g = 1.0f - FX_MIN(1.0f, m + k);
FX_FLOAT b = 1.0f - FX_MIN(1.0f, y + k);
color = FXSYS_RGB((int)(r * 255), (int)(g * 255), (int)(b * 255));
return TRUE;
}
}
return FALSE;
}
void CPDF_DeviceCS::TranslateImageLine(uint8_t* pDestBuf,
const uint8_t* pSrcBuf,
int pixels,
int image_width,
int image_height,
FX_BOOL bTransMask) const {
if (bTransMask && m_Family == PDFCS_DEVICECMYK) {
for (int i = 0; i < pixels; i++) {
int k = 255 - pSrcBuf[3];
pDestBuf[0] = ((255 - pSrcBuf[0]) * k) / 255;
pDestBuf[1] = ((255 - pSrcBuf[1]) * k) / 255;
pDestBuf[2] = ((255 - pSrcBuf[2]) * k) / 255;
pDestBuf += 3;
pSrcBuf += 4;
}
return;
}
if (m_Family == PDFCS_DEVICERGB) {
ReverseRGB(pDestBuf, pSrcBuf, pixels);
} else if (m_Family == PDFCS_DEVICEGRAY) {
for (int i = 0; i < pixels; i++) {
*pDestBuf++ = pSrcBuf[i];
*pDestBuf++ = pSrcBuf[i];
*pDestBuf++ = pSrcBuf[i];
}
} else {
for (int i = 0; i < pixels; i++) {
if (!m_dwStdConversion) {
AdobeCMYK_to_sRGB1(pSrcBuf[0], pSrcBuf[1], pSrcBuf[2], pSrcBuf[3],
pDestBuf[2], pDestBuf[1], pDestBuf[0]);
} else {
uint8_t k = pSrcBuf[3];
pDestBuf[2] = 255 - FX_MIN(255, pSrcBuf[0] + k);
pDestBuf[1] = 255 - FX_MIN(255, pSrcBuf[1] + k);
pDestBuf[0] = 255 - FX_MIN(255, pSrcBuf[2] + k);
}
pSrcBuf += 4;
pDestBuf += 3;
}
}
}
void GetOffset(FX_FLOAT& fa, FX_FLOAT& fd, FX_FLOAT& fe, FX_FLOAT& ff, CPDF_Rect rcAnnot, CPDF_Rect rcStream, CFX_AffineMatrix matrix)
{
FX_FLOAT fStreamWidth = 0.0f;
FX_FLOAT fStreamHeight = 0.0f;
if (matrix.a != 0 && matrix.d != 0)
{
fStreamWidth = rcStream.right - rcStream.left;
fStreamHeight = rcStream.top - rcStream.bottom;
}
else
{
fStreamWidth = rcStream.top - rcStream.bottom;
fStreamHeight = rcStream.right - rcStream.left;
}
FX_FLOAT x1 = matrix.a * rcStream.left + matrix.c * rcStream.bottom + matrix.e;
FX_FLOAT y1 = matrix.b * rcStream.left + matrix.d * rcStream.bottom + matrix.f;
FX_FLOAT x2 = matrix.a * rcStream.left + matrix.c * rcStream.top + matrix.e;
FX_FLOAT y2 = matrix.b * rcStream.left + matrix.d * rcStream.top + matrix.f;
FX_FLOAT x3 = matrix.a * rcStream.right + matrix.c * rcStream.bottom + matrix.e;
FX_FLOAT y3 = matrix.b * rcStream.right + matrix.d * rcStream.bottom + matrix.f;
FX_FLOAT x4 = matrix.a * rcStream.right + matrix.c * rcStream.top + matrix.e;
FX_FLOAT y4 = matrix.b * rcStream.right + matrix.d * rcStream.top + matrix.f;
FX_FLOAT left = FX_MIN(FX_MIN(x1, x2), FX_MIN(x3, x4));
FX_FLOAT bottom = FX_MIN(FX_MIN(y1, y2), FX_MIN(y3, y4));
fa = (rcAnnot.right - rcAnnot.left)/fStreamWidth;
fd = (rcAnnot.top - rcAnnot.bottom)/fStreamHeight;
fe = rcAnnot.left - left * fa;
ff = rcAnnot.bottom - bottom * fd;
}
void CPDF_DefaultAppearance::GetColor(FX_ARGB& color, int& iColorType, FX_BOOL bStrokingOperation)
{
color = 0;
iColorType = COLORTYPE_TRANSPARENT;
if (m_csDA.IsEmpty()) {
return;
}
CPDF_SimpleParser syntax(m_csDA);
if (syntax.FindTagParam(bStrokingOperation ? "G" : "g", 1)) {
iColorType = COLORTYPE_GRAY;
FX_FLOAT g = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;
color = ArgbEncode(255, (int)g, (int)g, (int)g);
return;
}
syntax.SetPos(0);
if (syntax.FindTagParam(bStrokingOperation ? "RG" : "rg", 3)) {
iColorType = COLORTYPE_RGB;
FX_FLOAT r = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;
FX_FLOAT g = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;
FX_FLOAT b = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;
color = ArgbEncode(255, (int)r, (int)g, (int)b);
return;
}
syntax.SetPos(0);
if (syntax.FindTagParam(bStrokingOperation ? "K" : "k", 4)) {
iColorType = COLORTYPE_CMYK;
FX_FLOAT c = FX_atof((CFX_ByteString)syntax.GetWord());
FX_FLOAT m = FX_atof((CFX_ByteString)syntax.GetWord());
FX_FLOAT y = FX_atof((CFX_ByteString)syntax.GetWord());
FX_FLOAT k = FX_atof((CFX_ByteString)syntax.GetWord());
FX_FLOAT r = 1.0f - FX_MIN(1.0f, c + k);
FX_FLOAT g = 1.0f - FX_MIN(1.0f, m + k);
FX_FLOAT b = 1.0f - FX_MIN(1.0f, y + k);
color = ArgbEncode(255, (int)(r * 255 + 0.5f), (int)(g * 255 + 0.5f), (int)(b * 255 + 0.5f));
}
}
FX_BOOL CFPF_SkiaFont::GetGlyphBBox(FX_INT32 iGlyphIndex, FX_RECT &rtBBox)
{
if (!m_Face) {
return FALSE;
}
if (FXFT_Is_Face_Tricky(m_Face)) {
if (FXFT_Set_Char_Size(m_Face, 0, 1000 * 64, 72, 72)) {
return FALSE;
}
if (FXFT_Load_Glyph(m_Face, iGlyphIndex, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
return FALSE;
}
FXFT_Glyph glyph;
if (FXFT_Get_Glyph(m_Face->glyph, &glyph)) {
FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
return FALSE;
}
FXFT_BBox cbox;
FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
FX_INT32 x_ppem = m_Face->size->metrics.x_ppem;
FX_INT32 y_ppem = m_Face->size->metrics.y_ppem;
rtBBox.left = FPF_EM_ADJUST(x_ppem, cbox.xMin);
rtBBox.right = FPF_EM_ADJUST(x_ppem, cbox.xMax);
rtBBox.top = FPF_EM_ADJUST(y_ppem, cbox.yMax);
rtBBox.bottom = FPF_EM_ADJUST(y_ppem, cbox.yMin);
rtBBox.top = FX_MIN(rtBBox.top, GetAscent());
rtBBox.bottom = FX_MAX(rtBBox.bottom, GetDescent());
FXFT_Done_Glyph(glyph);
return FXFT_Set_Pixel_Sizes(m_Face, 0, 64) == 0;
}
if (FXFT_Load_Glyph(m_Face, iGlyphIndex, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
return FALSE;
}
rtBBox.left = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingX(m_Face));
rtBBox.bottom = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingY(m_Face));
rtBBox.right = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingX(m_Face) + FXFT_Get_Glyph_Width(m_Face));
rtBBox.top = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingY(m_Face) - FXFT_Get_Glyph_Height(m_Face));
return TRUE;
}
