112 lines
3.5 KiB
C
112 lines
3.5 KiB
C
/**
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* MIT License
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*
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* -----------------------------------------------------------------------------
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* Copyright (c) 2008-24 Think Silicon Single Member PC
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* -----------------------------------------------------------------------------
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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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/**
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* @file lv_draw_nema_gfx_utils.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_draw_nema_gfx.h"
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#if LV_USE_NEMA_GFX
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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uint32_t lv_nemagfx_cf_to_nema(lv_color_format_t cf)
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{
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switch(cf) {
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case LV_COLOR_FORMAT_A1:
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return NEMA_A1;
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case LV_COLOR_FORMAT_A2:
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return NEMA_A2;
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case LV_COLOR_FORMAT_A4:
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return NEMA_A4;
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case LV_COLOR_FORMAT_A8:
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return NEMA_A8;
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case LV_COLOR_FORMAT_I1:
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return NEMA_L1;
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case LV_COLOR_FORMAT_I2:
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return NEMA_L2;
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case LV_COLOR_FORMAT_I4:
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return NEMA_L4;
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case LV_COLOR_FORMAT_L8:
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case LV_COLOR_FORMAT_I8:
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return NEMA_L8;
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case LV_COLOR_FORMAT_RGB565:
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return NEMA_RGB565;
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case LV_COLOR_FORMAT_RGB888:
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return NEMA_BGR24;
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case LV_COLOR_FORMAT_ARGB8888:
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return NEMA_BGRA8888;
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case LV_COLOR_FORMAT_XRGB8888:
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return NEMA_BGRX8888;
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default:
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return LV_NEMA_GFX_COLOR_FORMAT;
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}
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}
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uint32_t lv_nemagfx_blending_mode(lv_blend_mode_t lv_blend_mode)
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{
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uint32_t blending_mode;
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switch(lv_blend_mode) {
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case LV_BLEND_MODE_NORMAL:
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blending_mode = NEMA_BL_SIMPLE;
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break;
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case LV_BLEND_MODE_ADDITIVE:
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blending_mode = NEMA_BL_ADD;
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break;
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default:
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blending_mode = NEMA_BL_SIMPLE;
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break;
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}
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return blending_mode;
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}
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void lv_nemagfx_grad_set(NEMA_VG_GRAD_HANDLE gradient, lv_grad_dsc_t lv_grad, lv_opa_t opa)
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{
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float stops[LV_GRADIENT_MAX_STOPS];
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color_var_t colors[LV_GRADIENT_MAX_STOPS];
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uint32_t cnt = LV_MAX(lv_grad.stops_count, LV_GRADIENT_MAX_STOPS);
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for(uint8_t i = 0; i < cnt; i++) {
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stops[i] = (float)(lv_grad.stops[i].frac) / 255.f;
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colors[i].a = LV_OPA_MIX2(lv_grad.stops[i].opa, opa);
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colors[i].r = lv_grad.stops[i].color.red;
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colors[i].g = lv_grad.stops[i].color.green;
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colors[i].b = lv_grad.stops[i].color.blue;
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}
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nema_vg_grad_set(gradient, cnt, stops, colors);
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}
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#endif /*LV_USE_NEMA_GFX*/ |