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Author SHA1 Message Date
Jochen Derwae f6f4ebd17a Fix for https://github.com/javl/image2cpp/issues/28 2019-12-04 15:47:01 +01:00
Jochen DerwaeandGitHub 9e5a5afae9 Merge pull request #1 from javl/master 
syncing with original
 2019-12-04 15:22:21 +01:00
Jochen Derwae 9654bb6582 Reinstated the code to convert canvas contents to black and white and made it conditional based on the selected conversion function 2019-11-19 17:03:11 +01:00
Jochen Derwae eab5bd744f Added fill style for transparent background (erase buffer to full transparency) 2019-11-12 20:10:23 +01:00
Jochen Derwae 0178ece9e3 Updated imageToString() to remove the now deprecated orientation parameter 
Updated outputString() to deal with the updated imageToString()
 2019-11-12 16:41:55 +01:00
Jochen Derwae 10b7cf3a65 Updated horizontal565() to output 16bit hex strings 
Added getType() to determine the arduino array type of the output
Updated outputString() to use the new getType() function
 2019-11-12 16:31:59 +01:00
Jochen Derwae 8146ef5b13 Added support for RGB 565 images (16 bit colors) and transparency bitmasks for use with a ST7789 (or similar) display. Look at the Adafruit_GFX::drawRGBBitmap functions for using these bitmaps. 
UI changes:
 - added a "Transparent" option in "Background color" selection
 - replaced drawMode radio buttons with a drop-down list
 - added a div (id=note1bit) around the note to switch to vertical mode

Code changes:
 - added a ConversionFunctions object to hold the conversion functions (this makes it extendable towards more formats)
 - renamed imageToStringHorizontal() to horizontal1bit()
 - renamed imageToStringVertical() to vertical1bit()
 - added horizontal565() to generate 16 bit 565 RGB images
 - added horizontalAlpha() to generate transparency masks based on the image alpha value
 - added conversionFunction to settings object
 - added updateDrawMode() to handle the draw mode selection - also hides the note when using the new modes
 - updated place_image() to skip background fill in case transparency is selected
 - updated place_image(), commented out the conversion to black & white. Not sure at this time how to enable it again... drawMode?
 - updated imageToString() to use the conversionFunction from settings
 - moved getting the image raw data array from the conversion functions imageToString()
 2019-11-12 15:14:26 +01:00