Public Member Functions | |
| __construct ($imageFileName) | |
| Object constructor. | |
| getPixelWidth () | |
| Image width. | |
| getPixelHeight () | |
| Image height. | |
| getProperties () | |
| Image properties. | |
 Public Member Functions inherited from Zend_Pdf_Resource_Image | |
| __construct () | |
| Object constructor. | |
| getPixelHeight () | |
| get the height in pixels of the image | |
| getPixelWidth () | |
| get the width in pixels of the image | |
| getProperties () | |
| gets an associative array of information about an image | |
| Public Member Functions inherited from Zend_Pdf_Resource | |
| __construct ($resource) | |
| Object constructor. | |
| __clone () | |
| Clone page, extract it and dependent objects from the current document, so it can be used within other docs. | |
| cloneResource ($factory, &$processed) | |
| Clone resource, extract it and dependent objects from the current document, so it can be used within other docs. | |
| getResource () | |
| Get resource. | |
| getFactory () | |
| Get factory. | |
Public Attributes | |
| const | PNG_COMPRESSION_DEFAULT_STRATEGY = 0 |
| const | PNG_COMPRESSION_FILTERED = 1 |
| const | PNG_COMPRESSION_HUFFMAN_ONLY = 2 |
| const | PNG_COMPRESSION_RLE = 3 |
| const | PNG_FILTER_NONE = 0 |
| const | PNG_FILTER_SUB = 1 |
| const | PNG_FILTER_UP = 2 |
| const | PNG_FILTER_AVERAGE = 3 |
| const | PNG_FILTER_PAETH = 4 |
| const | PNG_INTERLACING_DISABLED = 0 |
| const | PNG_INTERLACING_ENABLED = 1 |
| const | PNG_CHANNEL_GRAY = 0 |
| const | PNG_CHANNEL_RGB = 2 |
| const | PNG_CHANNEL_INDEXED = 3 |
| const | PNG_CHANNEL_GRAY_ALPHA = 4 |
| const | PNG_CHANNEL_RGB_ALPHA = 6 |
Protected Attributes | |
| $_width | |
| $_height | |
| $_imageProperties | |
Constructor & Destructor Documentation
| __construct | ( | $imageFileName | ) |
Object constructor.
- Parameters
-
string $imageFileName
- Exceptions
-
Zend_Pdf_Exception
- Todo:
Add compression conversions to support compression strategys other than PNG_COMPRESSION_DEFAULT_STRATEGY.
Add pre-compression filtering.
Add interlaced image handling.
Add support for 16-bit images. Requires PDF version bump to 1.5 at least.
Add processing for all PNG chunks defined in the spec. gAMA etc.
Fix tRNS chunk support for Indexed Images to a SMask.
Member Function Documentation
| getPixelHeight | ( | ) |
Image height.
| getPixelWidth | ( | ) |
Image width.
| getProperties | ( | ) |
Image properties.
Member Data Documentation
|
protected |
|
protected |
|
protected |
| const PNG_CHANNEL_GRAY = 0 |
| const PNG_CHANNEL_GRAY_ALPHA = 4 |
| const PNG_CHANNEL_INDEXED = 3 |
| const PNG_CHANNEL_RGB = 2 |
| const PNG_CHANNEL_RGB_ALPHA = 6 |
| const PNG_COMPRESSION_DEFAULT_STRATEGY = 0 |
| const PNG_COMPRESSION_FILTERED = 1 |
| const PNG_COMPRESSION_HUFFMAN_ONLY = 2 |
| const PNG_COMPRESSION_RLE = 3 |
| const PNG_FILTER_AVERAGE = 3 |
| const PNG_FILTER_NONE = 0 |
| const PNG_FILTER_PAETH = 4 |
| const PNG_FILTER_SUB = 1 |
| const PNG_FILTER_UP = 2 |
| const PNG_INTERLACING_DISABLED = 0 |
| const PNG_INTERLACING_ENABLED = 1 |
