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Minor fixes of images

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This commit is contained in:
Jakub Melka
2019-06-15 14:29:49 +02:00
parent 5896196f56
commit 630afbba61
5 changed files with 225 additions and 47 deletions
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27
PdfForQtLib/sources/pdfcolorspaces.h
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@@ -76,12 +76,21 @@ static constexpr const char* ICCBASED_RANGE = "Range";
class PDFImageData
{
public:
enum class MaskingType
{
None,
ColorKeyMasking,
ImageMasking
};
explicit PDFImageData() :
m_components(0),
m_bitsPerComponent(0),
m_width(0),
m_height(0),
m_stride(0)
m_stride(0),
m_maskingType(MaskingType::None)
{
}
@@ -91,13 +100,17 @@ public:
unsigned int width,
unsigned int height,
unsigned int stride,
QByteArray data) :
MaskingType maskingType,
QByteArray data,
std::vector<PDFInteger>&& colorKeyMask) :
m_components(components),
m_bitsPerComponent(bitsPerComponent),
m_width(width),
m_height(height),
m_stride(stride),
m_data(qMove(data))
m_maskingType(maskingType),
m_data(qMove(data)),
m_colorKeyMask(qMove(colorKeyMask))
{
}
@@ -107,7 +120,9 @@ public:
unsigned int getWidth() const { return m_width; }
unsigned int getHeight() const { return m_height; }
unsigned int getStride() const { return m_stride; }
MaskingType getMaskingType() const { return m_maskingType; }
const QByteArray& getData() const { return m_data; }
std::vector<PDFInteger> getColorKeyMask() const { return m_colorKeyMask; }
/// Returns number of color channels
unsigned int getColorChannels() const { return m_components; }
@@ -126,8 +141,14 @@ private:
unsigned int m_width;
unsigned int m_height;
unsigned int m_stride;
MaskingType m_maskingType;
QByteArray m_data;
/// Mask entry of the image. If it is empty, no color key masking is induced.
/// If it is not empty, then it should contain 2 x number of color components,
/// consisting of [ min_0, max_0, min_1, max_1, ... , min_n, max_n ].
std::vector<PDFInteger> m_colorKeyMask;
};
using PDFColor3 = std::array<PDFColorComponent, 3>;