d22bc07e7a
Only the Win32 driver supports this so far. Other drivers are currently broken due to API changes and will be fixed.
351 lines
10 KiB
C
351 lines
10 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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/**
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* @file include/gdisp/options.h
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* @brief GDISP sub-system options header file.
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*
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* @addtogroup GDISP
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* @{
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*/
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#ifndef _GDISP_OPTIONS_H
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#define _GDISP_OPTIONS_H
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/**
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* @name GDISP Functionality to be included
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* @{
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*/
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/**
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* @brief Should all operations be clipped to the screen and colors validated.
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* @details Defaults to TRUE.
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* @note If this is FALSE, any operations that extend beyond the
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* edge of the screen will have undefined results. Any
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* out-of-range colors will produce undefined results.
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* @note This should always be left as the default (TRUE) unless you
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* are a maniac for speed and you have thoroughly tested your code
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* and it never overwrites the edges of the screen.
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* @note Setting GDISP_NEED_CLIP to TRUE internally uses the same mechanism
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* as this validation. There is no advantage in setting this FALSE if
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* GDISP_NEED_CLIP is TRUE.
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*/
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#ifndef GDISP_NEED_VALIDATION
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#define GDISP_NEED_VALIDATION TRUE
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#endif
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/**
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* @brief Are clipping functions needed.
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* @details Defaults to TRUE
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*/
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#ifndef GDISP_NEED_CLIP
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#define GDISP_NEED_CLIP TRUE
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#endif
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/**
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* @brief Streaming functions are needed
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* @details Defaults to FALSE.
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*/
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#ifndef GDISP_NEED_STREAMING
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#define GDISP_NEED_STREAMING FALSE
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#endif
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/**
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* @brief Are text functions needed.
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* @details Defaults to TRUE
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* @note You must also define at least one font.
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*/
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#ifndef GDISP_NEED_TEXT
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#define GDISP_NEED_TEXT TRUE
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#endif
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/**
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* @brief Are circle functions needed.
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* @details Defaults to FALSE
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* @note Uses integer algorithms only. It does not use any trig or floating point.
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*/
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#ifndef GDISP_NEED_CIRCLE
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#define GDISP_NEED_CIRCLE FALSE
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#endif
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/**
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* @brief Are ellipse functions needed.
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* @details Defaults to FALSE
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* @note Uses integer algorithms only. It does not use any trig or floating point.
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*/
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#ifndef GDISP_NEED_ELLIPSE
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#define GDISP_NEED_ELLIPSE FALSE
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#endif
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/**
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* @brief Are arc functions needed.
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* @details Defaults to FALSE
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* @note This can be compiled using fully integer mathematics by
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* defining GFX_USE_GMISC and GMISC_NEED_FIXEDTRIG as TRUE.
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* @note This can be compiled to use floating point but no trig functions
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* by defining GFX_USE_GMISC and GMISC_NEED_FASTTRIG as TRUE.
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* @note If neither of the above are defined it requires the maths library
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* to be included in the link to provide floating point and trig support.
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* ie include -lm in your compiler flags.
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*/
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#ifndef GDISP_NEED_ARC
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#define GDISP_NEED_ARC FALSE
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#endif
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/**
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* @brief Are convex polygon functions needed.
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* @details Defaults to FALSE
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* @note Convex polygons are those that have no internal angles. That is;
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* you can draw a line from any point on the polygon to any other point
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* on the polygon without it going outside the polygon.
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*/
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#ifndef GDISP_NEED_CONVEX_POLYGON
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#define GDISP_NEED_CONVEX_POLYGON FALSE
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#endif
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/**
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* @brief Are scrolling functions needed.
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* @details Defaults to FALSE
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* @note This function must be supported by the low level GDISP driver
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* you have included in your project. If it isn't, defining this
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* option will cause a compile error.
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*/
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#ifndef GDISP_NEED_SCROLL
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#define GDISP_NEED_SCROLL FALSE
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#endif
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/**
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* @brief Is the capability to read pixels back needed.
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* @details Defaults to FALSE
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* @note This function must be supported by the low level GDISP driver
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* you have included in your project. If it isn't, defining this
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* option will cause a compile error.
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*/
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#ifndef GDISP_NEED_PIXELREAD
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#define GDISP_NEED_PIXELREAD FALSE
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#endif
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/**
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* @brief Control some aspect of the hardware operation.
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* @details Defaults to FALSE
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* @note This allows control of hardware specific features such as
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* screen rotation, backlight levels, contrast etc
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*/
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#ifndef GDISP_NEED_CONTROL
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#define GDISP_NEED_CONTROL FALSE
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#endif
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/**
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* @brief Query some aspect of the hardware operation.
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* @details Defaults to FALSE
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* @note This allows query of hardware specific features
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*/
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#ifndef GDISP_NEED_QUERY
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#define GDISP_NEED_QUERY FALSE
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#endif
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/**
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* @brief Is the image interface required.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_IMAGE
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#define GDISP_NEED_IMAGE FALSE
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#endif
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/**
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* @}
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*
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* @name GDISP Multiple Display Support
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* @{
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*/
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/**
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* @brief The total number of displays.
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* @note This can be on just one type of controller or spread across several different controllers
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*/
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#ifndef GDISP_TOTAL_DISPLAYS
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#define GDISP_TOTAL_DISPLAYS 1
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#endif
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/**
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* @brief The total number of controllers.
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* @note If this is greater than one, all the hardware acceleration options below
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* and the pixel format must be manually specified in your gfxconf.h along with
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* @p GDISP_CONTROLLER_LIST. See the gdisp_lld_config.h in each driver to get a list
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* of hardware capabilities for each driver in order to work out the common set across
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* all the controllers you want to use.
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*/
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#ifndef GDISP_TOTAL_CONTROLLERS
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#define GDISP_TOTAL_CONTROLLERS 1
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#endif
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#if defined(__DOXYGEN__)
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/**
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* @brief The list of controllers.
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* @note This is required if @p GDISP_TOTAL_CONTROLLERS is greater than one.
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* @note The number of entries must match @p GDISP_TOTAL_CONTROLLERS.
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* @note See the gdisp_lld.c in each driver (near the top) to get the name of the VMT for a driver.
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* @note Replace this example with your own definition in your gfxconf.h file.
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*/
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#define GDISP_CONTROLLER_LIST GDISPVMT_Win32, GDISPVMT_SSD1963
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/**
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* @brief The number of displays for each controller.
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* @note This is required if @p GDISP_TOTAL_CONTROLLERS is greater than one.
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* @note The number of entries must match @p GDISP_TOTAL_CONTROLLERS.
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* @note The sum of all the display counts must equal @p GDISP_TOTAL_DISPLAYS (3 for this example)
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* or bad things will happen.
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* @note Replace this example with your own definition in your gfxconf.h file.
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*/
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#define GDISP_CONTROLLER_DISPLAYS 2, 1
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#endif
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/**
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* @}
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*
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* @name GDISP Image Options
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* @pre GDISP_NEED_IMAGE must be TRUE
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* @{
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*/
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/**
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* @brief Is native image decoding required.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_IMAGE_NATIVE
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#define GDISP_NEED_IMAGE_NATIVE FALSE
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#endif
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/**
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* @brief Is GIF image decoding required.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_IMAGE_GIF
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#define GDISP_NEED_IMAGE_GIF FALSE
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#endif
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/**
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* @brief Is BMP image decoding required.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_IMAGE_BMP
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#define GDISP_NEED_IMAGE_BMP FALSE
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#endif
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/**
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* @brief Is JPG image decoding required.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_IMAGE_JPG
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#define GDISP_NEED_IMAGE_JPG FALSE
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#endif
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/**
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* @brief Is PNG image decoding required.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_IMAGE_PNG
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#define GDISP_NEED_IMAGE_PNG FALSE
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#endif
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/**
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* @brief Is memory accounting required during image decoding.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_IMAGE_ACCOUNTING
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#define GDISP_NEED_IMAGE_ACCOUNTING FALSE
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#endif
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/**
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* @}
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*
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* @name GDISP Text Rendering Options
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* @{
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*/
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/**
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* @brief Enable UTF-8 support for text rendering.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_UTF8
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#define GDISP_NEED_UTF8 FALSE
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#endif
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/**
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* @brief Enable kerning for font rendering (improves character placement).
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_TEXT_KERNING
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#define GDISP_NEED_TEXT_KERNING FALSE
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#endif
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/**
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* @brief Enable antialiased font support
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_ANTIALIAS
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#define GDISP_NEED_ANTIALIAS FALSE
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#endif
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/**
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* @}
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*
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* @name GDISP Multi-Threading Options
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* @{
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*/
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/**
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* @brief Do the drawing functions need to be thread-safe.
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* @details Defaults to FALSE
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*/
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#ifndef GDISP_NEED_MULTITHREAD
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#define GDISP_NEED_MULTITHREAD FALSE
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#endif
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/**
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* @}
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*
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* @name GDISP Fonts
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* @{
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*/
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/**
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* @brief Predefined built in fonts
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* @note Turning off the ones you are not using can save program size.
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*/
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/**
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* @}
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*
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* @name GDISP Optional Sizing Parameters
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* @{
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*/
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/**
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* @brief The size of pixel buffer (in pixels) used for optimization.
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* @details Set to zero to guarantee disabling of the buffer.
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* @note Depending on the driver and what operations the application
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* needs, this buffer may never be allocated.
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* @note Setting the size to zero may cause some operations to not
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* compile eg. Scrolling if there is no hardware scroll support.
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* @note Increasing the size will speedup certain operations
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* at the expense of RAM.
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* @note Currently only used to support scrolling on hardware without
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* scrolling support, and to increase the speed of streaming
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* operations on non-streaming hardware where there is a
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* hardware supported bit-blit.
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*/
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#ifndef GDISP_LINEBUF_SIZE
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#define GDISP_LINEBUF_SIZE 128
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#endif
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/**
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* @}
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*
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* @name GDISP Optional Low Level Driver Defines
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* @{
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*/
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/**
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* @brief Use a custom board definition even if a board definition exists.
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* @details Defaults to FALSE
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* @details If TRUE, add gdisp_lld_board.h to your project directory and customise it.
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* @note Not all GDISP low level drivers currently use board definition files.
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*/
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#ifndef GDISP_USE_CUSTOM_BOARD
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#define GDISP_USE_CUSTOM_BOARD FALSE
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#endif
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/**
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* @brief Set the screen height and width.
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* @note Ignored by some low level GDISP drivers, optional for others.
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* @note Where these values are allowed, a default is always provided be the low level driver.
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* @note The list of GDISP low level drivers that allow these to be set are...
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* WIN32, SSD1289, SSD1963, TestStub
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*/
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/* #define GDISP_SCREEN_WIDTH nnnn */
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/* #define GDISP_SCREEN_HEIGHT nnnn */
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/**
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* @brief Define which bus interface to use.
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* @details Only required by the SSD1963 driver.
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* @note This will be replaced eventually by board definition files
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*/
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/* #define GDISP_USE_FSMC */
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/* #define GDISP_USE_GPIO */
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/** @} */
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#endif /* _GDISP_OPTIONS_H */
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/** @} */
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