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paint.h
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paint.h
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/*
* Copyright 2022 Shashank Sharma ([email protected])
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#define MAX_CLR_SUPPORTED 255
struct clr_hash_data {
uint8_t clr;
uint64_t val;
};
struct clr_hash_table {
struct clr_hash_data *cval[MAX_CLR_SUPPORTED];
int entries;
};
enum color {
black = 0,
red,
green,
blue,
white,
color_max,
};
void init_clr_hash(int num, uint32_t *clr_val);
void delete_clr_hash(int key);
uint64_t hash_get_clr_val(int key);
char *get_a_subbuffer_copy(char *fb, int X, int Y, int xoff, int yoff, int h, int v, int bpp);
void blank_a_buffer_region(char *fb, int X, int Y, int x_off, int y_off, int h, int v, int bpp);
void paint_a_buffer_region_tricolor(char *fb, int X, int Y, int x_off, int y_off, int h, int v, int bpp);
void paint_a_buffer_white(char *fb, int X, int Y, int bpp);
void paint_buffer_tricolor(char *fb, int xres, int yres, int bytes_pp);