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|
/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/gdisp/gdisp_options.h
* @brief GDISP sub-system options header file.
*
* @addtogroup GDISP
* @{
*/
#ifndef _GDISP_OPTIONS_H
#define _GDISP_OPTIONS_H
/**
* @name GDISP Functionality to be included
* @{
*/
/**
* @brief Should drawing operations be automatically flushed.
* @details Defaults to GFXOFF
* @note If set to GFXOFF and the controller requires flushing
* then the application must manually call @p gdispGFlush().
* Setting this to GFXON causes GDISP to automatically flush
* after each drawing operation. Note this may be slow but enables
* an application to avoid having to manually call the flush routine.
* @note If GFXON and GDISP_NEED_TIMERFLUSH is also GFXON, this takes precedence.
* @note Most controllers don't need flushing which is why this is set to
* GFXOFF by default.
*/
#ifndef GDISP_NEED_AUTOFLUSH
#define GDISP_NEED_AUTOFLUSH GFXOFF
#endif
/**
* @brief Should drawing operations be automatically flushed on a timer.
* @details Defaults to GFXOFF, Can be set to GFXOFF or a timer period in milliseconds.
* @note The period should not be set too short or it will consume all your CPU. A
* value between 250 and 500 milliseconds would probably be suitable.
* @note If GFXON and GDISP_NEED_AUTOFLUSH is also GFXON, this is ineffective.
* @note Most controllers don't need flushing which is why this is set to
* GFXOFF by default.
*/
#ifndef GDISP_NEED_TIMERFLUSH
#define GDISP_NEED_TIMERFLUSH GFXOFF
#endif
/**
* @brief Should all operations be clipped to the screen and colors validated.
* @details Defaults to GFXON.
* @note If this is GFXOFF, any operations that extend beyond the
* edge of the screen will have undefined results. Any
* out-of-range colors will produce undefined results.
* @note This should always be left as the default (GFXON) unless you
* are a maniac for speed and you have thoroughly tested your code
* and it never overwrites the edges of the screen.
* @note Setting GDISP_NEED_CLIP to GFXON internally uses the same mechanism
* as this validation. There is no advantage in setting this GFXOFF if
* GDISP_NEED_CLIP is GFXON.
*/
#ifndef GDISP_NEED_VALIDATION
#define GDISP_NEED_VALIDATION GFXON
#endif
/**
* @brief Are clipping functions needed.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_CLIP
#define GDISP_NEED_CLIP GFXON
#endif
/**
* @brief Streaming functions are needed
* @details Defaults to GFXOFF.
*/
#ifndef GDISP_NEED_STREAMING
#define GDISP_NEED_STREAMING GFXOFF
#endif
/**
* @brief Are text functions needed.
* @details Defaults to GFXOFF
* @note You must also define at least one font.
*/
#ifndef GDISP_NEED_TEXT
#define GDISP_NEED_TEXT GFXOFF
#endif
/**
* @brief Are circle functions needed.
* @details Defaults to GFXOFF
* @note Uses integer algorithms only. It does not use any trig or floating point.
*/
#ifndef GDISP_NEED_CIRCLE
#define GDISP_NEED_CIRCLE GFXOFF
#endif
/**
* @brief Are dual circle functions needed (one circle inside another).
* @details Defaults to GFXOFF
* @note Uses integer algorithms only. It does not use any trig or floating point.
*/
#ifndef GDISP_NEED_DUALCIRCLE
#define GDISP_NEED_DUALCIRCLE GFXOFF
#endif
/**
* @brief Are ellipse functions needed.
* @details Defaults to GFXOFF
* @note Uses integer algorithms only. It does not use any trig or floating point.
*/
#ifndef GDISP_NEED_ELLIPSE
#define GDISP_NEED_ELLIPSE GFXOFF
#endif
/**
* @brief Are arc sector functions needed.
* @details Defaults to GFXOFF
* @note Uses integer algorithms only. It does not use any trig or floating point.
*/
#ifndef GDISP_NEED_ARCSECTORS
#define GDISP_NEED_ARCSECTORS GFXOFF
#endif
/**
* @brief Are arc functions needed.
* @details Defaults to GFXOFF
* @note This can be compiled using fully integer mathematics by
* defining GFX_USE_GMISC and GMISC_NEED_FIXEDTRIG as GFXON.
* @note This can be compiled to use floating point but no trig functions
* by defining GFX_USE_GMISC and GMISC_NEED_FASTTRIG as GFXON.
* @note If neither of the above are defined it requires the maths library
* to be included in the link to provide floating point and trig support.
* ie include -lm in your compiler flags.
*/
#ifndef GDISP_NEED_ARC
#define GDISP_NEED_ARC GFXOFF
#endif
/**
* @brief Are convex polygon functions needed.
* @details Defaults to GFXOFF
* @note Convex polygons are those that have no internal angles. That is;
* you can draw a line from any point on the polygon to any other point
* on the polygon without it going outside the polygon.
*/
#ifndef GDISP_NEED_CONVEX_POLYGON
#define GDISP_NEED_CONVEX_POLYGON GFXOFF
#endif
/**
* @brief Are scrolling functions needed.
* @details Defaults to GFXOFF
* @note This function must be supported by the low level GDISP driver
* you have included in your project. If it isn't, defining this
* option will cause a compile error.
*/
#ifndef GDISP_NEED_SCROLL
#define GDISP_NEED_SCROLL GFXOFF
#endif
/**
* @brief Is the capability to read pixels back needed.
* @details Defaults to GFXOFF
* @note This function must be supported by the low level GDISP driver
* you have included in your project. If it isn't, defining this
* option will cause a compile error.
*/
#ifndef GDISP_NEED_PIXELREAD
#define GDISP_NEED_PIXELREAD GFXOFF
#endif
/**
* @brief Control some aspect of the hardware operation.
* @details Defaults to GFXOFF
* @note This allows control of hardware specific features such as
* screen rotation, backlight levels, contrast etc
*/
#ifndef GDISP_NEED_CONTROL
#define GDISP_NEED_CONTROL GFXOFF
#endif
/**
* @brief Query some aspect of the hardware operation.
* @details Defaults to GFXOFF
* @note This allows query of hardware specific features
*/
#ifndef GDISP_NEED_QUERY
#define GDISP_NEED_QUERY GFXOFF
#endif
/**
* @brief Is the image interface required.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_IMAGE
#define GDISP_NEED_IMAGE GFXOFF
#endif
/**
* @brief Is the image interface required.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_PIXMAP
#define GDISP_NEED_PIXMAP GFXOFF
#endif
/**
* @}
*
* @name GDISP Multi-Threading Options
* @{
*/
/**
* @brief Do the drawing functions need to be thread-safe.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_MULTITHREAD
#define GDISP_NEED_MULTITHREAD GFXOFF
#endif
/**
* @}
*
* @name GDISP Optional Parameters
* @{
*/
/**
* @brief Should the startup logo be displayed
*
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_STARTUP_LOGO
#define GDISP_NEED_STARTUP_LOGO GFXON
#endif
/**
* @brief Define the initial background color for all displays in the system.
*/
#ifndef GDISP_STARTUP_COLOR
#define GDISP_STARTUP_COLOR GFX_BLACK
#endif
/**
* @brief Define the default orientation for all displays in the system.
* @note GDISP_NEED_CONTROL must also be set (and the hardware must support it)
* @note If not specified then displays default to the native hardware orientation
*/
// #define GDISP_DEFAULT_ORIENTATION gOrientationLandscape
/**
* @brief The size of pixel buffer (in pixels) used for optimization.
* @details Set to zero to guarantee disabling of the buffer.
* @note Depending on the driver and what operations the application
* needs, this buffer may never be allocated.
* @note Setting the size to zero may cause some operations to not
* compile eg. Scrolling if there is no hardware scroll support.
* @note Increasing the size will speedup certain operations
* at the expense of RAM.
* @note Currently only used to support scrolling on hardware without
* scrolling support, and to increase the speed of streaming
* operations on non-streaming hardware where there is a
* hardware supported bit-blit.
*/
#ifndef GDISP_LINEBUF_SIZE
#define GDISP_LINEBUF_SIZE 128
#endif
/**
* @}
*
* @name GDISP Multiple Display Support
* @{
*/
/**
* @brief The total number of displays using the default driver.
* @note If you want to use multiple displays either set GDISP_TOTAL_DISPLAYS or GDISP_DRIVER_LIST
* but not both.
*/
#ifndef GDISP_TOTAL_DISPLAYS
#define GDISP_TOTAL_DISPLAYS 1
#endif
#if defined(__DOXYGEN__)
/**
* @brief The list of display drivers.
* @note Replace this example with your own definition in your gfxconf.h file. See the gdisp_lld.c
* in each driver (near the top) to get the name of the VMT for a driver.
* @note The same driver can occur more than once in the list to create an extra instance of that driver.
* @note If defining this you must also define GDISP_PIXELFORMAT for your application to use.
* Choose a value that is most common accross all your drivers for efficiency.
* @note If using this you may optionally define the GDISP_HARDWARE_xxx values as either GFXON or GFXOFF.
* Doing this causes GDISP to assume that all (GFXON) or none (GFXOFF) of the listed drivers have that
* capability. This can help improve drawing speed and efficiency.
*/
#define GDISP_DRIVER_LIST GDISPVMT_Win32, GDISPVMT_SSD1963
#endif
/**
* @}
*
* @name GDISP Image Options
* @pre GDISP_NEED_IMAGE must be GFXON
* @{
*/
/**
* @brief Is native image decoding required.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_IMAGE_NATIVE
#define GDISP_NEED_IMAGE_NATIVE GFXOFF
#endif
/**
* @brief Is GIF image decoding required.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_IMAGE_GIF
#define GDISP_NEED_IMAGE_GIF GFXOFF
#endif
/**
* @brief Is BMP image decoding required.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_IMAGE_BMP
#define GDISP_NEED_IMAGE_BMP GFXOFF
#endif
/**
* @brief Is JPG image decoding required.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_IMAGE_JPG
#define GDISP_NEED_IMAGE_JPG GFXOFF
#endif
/**
* @brief Is PNG image decoding required.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_IMAGE_PNG
#define GDISP_NEED_IMAGE_PNG GFXOFF
#endif
/**
* @brief Is memory accounting required during image decoding.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_IMAGE_ACCOUNTING
#define GDISP_NEED_IMAGE_ACCOUNTING GFXOFF
#endif
/**
* @}
*
* @name GDISP BMP Image Options
* @pre GDISP_NEED_IMAGE and GDISP_NEED_IMAGE_BMP must be GFXON
* @{
*/
/**
* @brief Is BMP 1 bit per pixel (monochrome/2 color) image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_BMP_1
#define GDISP_NEED_IMAGE_BMP_1 GFXON
#endif
/**
* @brief Is BMP 4 bits per pixel (16 color) image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_BMP_4
#define GDISP_NEED_IMAGE_BMP_4 GFXON
#endif
/**
* @brief Is BMP 4 bits per pixel (16 color) with RLE compression image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_BMP_4_RLE
#define GDISP_NEED_IMAGE_BMP_4_RLE GFXON
#endif
/**
* @brief Is BMP 8 bits per pixel (256 color) image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_BMP_8
#define GDISP_NEED_IMAGE_BMP_8 GFXON
#endif
/**
* @brief Is BMP 8 bits per pixel (256 color) with RLE compression image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_BMP_8_RLE
#define GDISP_NEED_IMAGE_BMP_8_RLE GFXON
#endif
/**
* @brief Is BMP 16 bits per pixel (65536 color) image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_BMP_16
#define GDISP_NEED_IMAGE_BMP_16 GFXON
#endif
/**
* @brief Is BMP 24 bits per pixel (true-color) image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_BMP_24
#define GDISP_NEED_IMAGE_BMP_24 GFXON
#endif
/**
* @brief Is BMP 32 bits per pixel (true-color) image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_BMP_32
#define GDISP_NEED_IMAGE_BMP_32 GFXON
#endif
/**
* @brief The BMP blit buffer size.
* @details Defaults to 32
* @note Bigger is faster but requires more RAM.
* @note This must be greater than 40 bytes and 32 pixels as we read our headers into this space as well.
*/
#ifndef GDISP_IMAGE_BMP_BLIT_BUFFER_SIZE
#define GDISP_IMAGE_BMP_BLIT_BUFFER_SIZE 32
#endif
/**
* @}
*
* @name GDISP GIF Image Options
* @pre GDISP_NEED_IMAGE and GDISP_NEED_IMAGE_GIF must be GFXON
* @{
*/
/**
* @brief The GIF blit buffer size.
* @details Defaults to 32
* @note Bigger is faster but requires more RAM.
*/
#ifndef GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE
#define GDISP_IMAGE_GIF_BLIT_BUFFER_SIZE 32
#endif
/**
* @}
*
* @name GDISP PNG Image Options
* @pre GDISP_NEED_IMAGE and GDISP_NEED_IMAGE_PNG must be GFXON
* @{
*/
/**
* @brief Is PNG Interlaced image decoding required.
* @details Defaults to GFXOFF
* @note Currently not supported due to the complex decoding and display requirements
*/
#ifndef GDISP_NEED_IMAGE_PNG_INTERLACED
#define GDISP_NEED_IMAGE_PNG_INTERLACED GFXOFF
#endif
/**
* @brief Is PNG image transparency processed.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_TRANSPARENCY
#define GDISP_NEED_IMAGE_PNG_TRANSPARENCY GFXON
#endif
/**
* @brief Is PNG background data processed.
* @details Defaults to GFXON
* @note If the background is specified in the image file and this define is GFXON,
* that background color is used for transparency and alpha blending.
*/
#ifndef GDISP_NEED_IMAGE_PNG_BACKGROUND
#define GDISP_NEED_IMAGE_PNG_BACKGROUND GFXON
#endif
/**
* @brief What is the cliff between non-blended alpha pixels being displayed or not.
* @details Range of 0 to 255
* @note If GDISP_NEED_IMAGE_PNG_BACKGROUND is GFXON and the PNG file contains a
* background color then the pixel will be blended with the background color
* according to the alpha.
* If not then no blending occurs. The pixel will either be set or not.
* Any alpha value greater or equal to this number will be displayed.
* Anything less than this number is not displayed.
*/
#ifndef GDISP_NEED_IMAGE_PNG_ALPHACLIFF
#define GDISP_NEED_IMAGE_PNG_ALPHACLIFF 32
#endif
/**
* @brief Is 1, 2 and 4 bit PNG palettized image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_PALETTE_124
#define GDISP_NEED_IMAGE_PNG_PALETTE_124 GFXON
#endif
/**
* @brief Is 8 bit PNG palettized image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_PALETTE_8
#define GDISP_NEED_IMAGE_PNG_PALETTE_8 GFXON
#endif
/**
* @brief Is 1,2 and 4 bit PNG grayscale image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_GRAYSCALE_124
#define GDISP_NEED_IMAGE_PNG_GRAYSCALE_124 GFXON
#endif
/**
* @brief Is 8 bit PNG grayscale image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_GRAYSCALE_8
#define GDISP_NEED_IMAGE_PNG_GRAYSCALE_8 GFXON
#endif
/**
* @brief Is 16 bit PNG grayscale image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_GRAYSCALE_16
#define GDISP_NEED_IMAGE_PNG_GRAYSCALE_16 GFXON
#endif
/**
* @brief Is 8 bit PNG grayscale with 8 bit alpha image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_GRAYALPHA_8
#define GDISP_NEED_IMAGE_PNG_GRAYALPHA_8 GFXON
#endif
/**
* @brief Is 16 bit PNG grayscale with 16 bit alpha image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_GRAYALPHA_16
#define GDISP_NEED_IMAGE_PNG_GRAYALPHA_16 GFXON
#endif
/**
* @brief Is 8/8/8 bit PNG RGB image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_RGB_8
#define GDISP_NEED_IMAGE_PNG_RGB_8 GFXON
#endif
/**
* @brief Is 16/16/16 bit PNG RGB image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_RGB_16
#define GDISP_NEED_IMAGE_PNG_RGB_16 GFXON
#endif
/**
* @brief Is 8/8/8 bit PNG RGB with 8 bit alpha image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_RGBALPHA_8
#define GDISP_NEED_IMAGE_PNG_RGBALPHA_8 GFXON
#endif
/**
* @brief Is 16/16/16 bit PNG RGB with 16 bit alpha image decoding required.
* @details Defaults to GFXON
*/
#ifndef GDISP_NEED_IMAGE_PNG_RGBALPHA_16
#define GDISP_NEED_IMAGE_PNG_RGBALPHA_16 GFXON
#endif
/**
* @brief The PNG blit buffer size in pixels.
* @details Defaults to 32
* @note Bigger is faster but requires more RAM.
*/
#ifndef GDISP_IMAGE_PNG_BLIT_BUFFER_SIZE
#define GDISP_IMAGE_PNG_BLIT_BUFFER_SIZE 32
#endif
/**
* @brief The PNG input file buffer size in bytes.
* @details Defaults to 8
* @note Bigger is faster but requires more RAM.
* @note Must be >= 8
*/
#ifndef GDISP_IMAGE_PNG_FILE_BUFFER_SIZE
#define GDISP_IMAGE_PNG_FILE_BUFFER_SIZE 8
#endif
/**
* @brief The PNG inflate decompression buffer size in bytes.
* @details Defaults to 32768
* @note Bigger is faster but requires more RAM.
* @note Must be >= 32768 due to the PNG 32K sliding window.
* @note More efficient code is generated if this value is a power of 2.
*/
#ifndef GDISP_IMAGE_PNG_Z_BUFFER_SIZE
#define GDISP_IMAGE_PNG_Z_BUFFER_SIZE 32768
#endif
/**
* @}
*
* @name GDISP Text Rendering Options
* @{
*/
/**
* @brief Enable advanced word-wrapping.
* @details Only has an effect with @p gdispGDrawStringBox() and @p gdispGFillStringBox()
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_TEXT_WORDWRAP
#define GDISP_NEED_TEXT_WORDWRAP GFXOFF
#endif
/**
* @brief Adding pixels to the left and right side of the box to pad text.
* @details Only has an effect with @p gdispGDrawStringBox() and @p gdispGFillStringBox()
* @note Can be turned off by using gJustifyNoPad
* @details Defaults to 1
*/
#ifndef GDISP_NEED_TEXT_BOXPADLR
#define GDISP_NEED_TEXT_BOXPADLR 1
#endif
/**
* @brief Adding pixels to the top and bottom side of the box to pad text.
* @details Only has an effect with @p gdispGDrawStringBox() and @p gdispGFillStringBox()
* @note Can be turned off by using gJustifyNoPad
* @details Defaults to 1
*/
#ifndef GDISP_NEED_TEXT_BOXPADTB
#define GDISP_NEED_TEXT_BOXPADTB 1
#endif
/**
* @brief Enable UTF-8 support for text rendering.
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_UTF8
#define GDISP_NEED_UTF8 GFXOFF
#endif
/**
* @brief Enable kerning for font rendering (improves character placement).
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_TEXT_KERNING
#define GDISP_NEED_TEXT_KERNING GFXOFF
#endif
/**
* @brief Enable antialiased font support
* @details Defaults to GFXOFF
*/
#ifndef GDISP_NEED_ANTIALIAS
#define GDISP_NEED_ANTIALIAS GFXOFF
#endif
/**
* @}
*
* @name GDISP Pixmap Options
* @{
*/
#ifndef GDISP_NEED_PIXMAP_IMAGE
#define GDISP_NEED_PIXMAP_IMAGE GFXOFF
#endif
/**
* @}
*
* @name GDISP Optional Low Level Driver Defines
* @{
*/
/**
* @brief Set the screen height and width.
* @note Ignored by some low level GDISP drivers, optional for others.
* @note Where these values are allowed, a default is always provided be the low level driver.
* @note The list of GDISP low level drivers that allow these to be set are...
* WIN32, SSD1289, SSD1963, TestStub
*/
/* #define GDISP_SCREEN_WIDTH nnnn */
/* #define GDISP_SCREEN_HEIGHT nnnn */
/**
* @brief Define which bus interface to use.
* @details Only required by the SSD1963 driver.
* @note This will be replaced eventually by board definition files
*/
// #define GDISP_USE_FSMC
// #define GDISP_USE_GPIO
/** @} */
#endif /* _GDISP_OPTIONS_H */
/** @} */
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