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/**
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* @file lv_draw_vglite_blend.h
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*
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*/
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/**
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* MIT License
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*
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* Copyright 2020-2022 NXP
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next paragraph)
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef LV_DRAW_VGLITE_BLEND_H
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#define LV_DRAW_VGLITE_BLEND_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include "liblvgl/lv_conf_internal.h"
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#if LV_USE_GPU_NXP_VG_LITE
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#include "lv_gpu_nxp_vglite.h"
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/*********************
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* DEFINES
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*********************/
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#ifndef LV_GPU_NXP_VG_LITE_FILL_SIZE_LIMIT
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/** Minimum area (in pixels) to be filled by VG-Lite with 100% opacity*/
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#define LV_GPU_NXP_VG_LITE_FILL_SIZE_LIMIT 5000
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#endif
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#ifndef LV_GPU_NXP_VG_LITE_FILL_OPA_SIZE_LIMIT
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/** Minimum area (in pixels) to be filled by VG-Lite with transparency*/
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#define LV_GPU_NXP_VG_LITE_FILL_OPA_SIZE_LIMIT 5000
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#endif
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#ifndef LV_GPU_NXP_VG_LITE_BLIT_SIZE_LIMIT
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/** Minimum area (in pixels) for image copy with 100% opacity to be handled by VG-Lite*/
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#define LV_GPU_NXP_VG_LITE_BLIT_SIZE_LIMIT 5000
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#endif
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#ifndef LV_GPU_NXP_VG_LITE_BUFF_SYNC_BLIT_SIZE_LIMIT
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/** Minimum invalidated area (in pixels) to be synchronized by VG-Lite during buffer sync */
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#define LV_GPU_NXP_VG_LITE_BUFF_SYNC_BLIT_SIZE_LIMIT 5000
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#endif
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#ifndef LV_GPU_NXP_VG_LITE_BLIT_OPA_SIZE_LIMIT
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/** Minimum area (in pixels) for image copy with transparency to be handled by VG-Lite*/
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#define LV_GPU_NXP_VG_LITE_BLIT_OPA_SIZE_LIMIT 5000
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#endif
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/**********************
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* TYPEDEFS
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**********************/
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/**
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* BLock Image Transfer descriptor structure
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*/
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typedef struct {
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const lv_color_t * src; /**< Source buffer pointer (must be aligned on 32 bytes)*/
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lv_area_t src_area; /**< Area to be copied from source*/
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lv_coord_t src_width; /**< Source buffer width*/
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lv_coord_t src_height; /**< Source buffer height*/
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int32_t src_stride; /**< Source buffer stride in bytes (must be aligned on 16 px)*/
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const lv_color_t * dst; /**< Destination buffer pointer (must be aligned on 32 bytes)*/
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lv_area_t dst_area; /**< Target area in destination buffer (must be the same as src_area)*/
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lv_coord_t dst_width; /**< Destination buffer width*/
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lv_coord_t dst_height; /**< Destination buffer height*/
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int32_t dst_stride; /**< Destination buffer stride in bytes (must be aligned on 16 px)*/
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lv_opa_t opa; /**< Opacity - alpha mix (0 = source not copied, 255 = 100% opaque)*/
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uint32_t angle; /**< Rotation angle (1/10 of degree)*/
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uint32_t zoom; /**< 256 = no zoom (1:1 scale ratio)*/
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lv_point_t pivot; /**< The coordinates of rotation pivot in source image buffer*/
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} lv_gpu_nxp_vglite_blit_info_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Fill area, with optional opacity.
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*
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* @param[in/out] dest_buf Destination buffer pointer (must be aligned on 32 bytes)
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* @param[in] dest_width Destination buffer width in pixels (must be aligned on 16 px)
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* @param[in] dest_height Destination buffer height in pixels
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* @param[in] fill_area Area to be filled
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* @param[in] color Fill color
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* @param[in] opa Opacity (255 = full, 128 = 50% background/50% color, 0 = no fill)
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* @retval LV_RES_OK Fill completed
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* @retval LV_RES_INV Error occurred (\see LV_GPU_NXP_VG_LITE_LOG_ERRORS)
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*/
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lv_res_t lv_gpu_nxp_vglite_fill(lv_color_t * dest_buf, lv_coord_t dest_width, lv_coord_t dest_height,
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const lv_area_t * fill_area, lv_color_t color, lv_opa_t opa);
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/**
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* BLock Image Transfer.
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*
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* @param[in] blit Description of the transfer
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* @retval LV_RES_OK Transfer complete
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* @retval LV_RES_INV Error occurred (\see LV_GPU_NXP_VG_LITE_LOG_ERRORS)
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*/
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lv_res_t lv_gpu_nxp_vglite_blit(lv_gpu_nxp_vglite_blit_info_t * blit);
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/**
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* BLock Image Transfer with transformation.
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*
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* @param[in] blit Description of the transfer
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* @retval LV_RES_OK Transfer complete
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* @retval LV_RES_INV Error occurred (\see LV_GPU_NXP_VG_LITE_LOG_ERRORS)
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*/
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lv_res_t lv_gpu_nxp_vglite_blit_transform(lv_gpu_nxp_vglite_blit_info_t * blit);
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/**********************
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* MACROS
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**********************/
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#endif /*LV_USE_GPU_NXP_VG_LITE*/
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif /*LV_DRAW_VGLITE_BLEND_H*/
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