mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-16 04:29:08 +00:00
127 lines
4.5 KiB
C
127 lines
4.5 KiB
C
/*
|
|
* This file is part of the Trezor project, https://trezor.io/
|
|
*
|
|
* Copyright (c) SatoshiLabs
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef GFX_BITBLT_H
|
|
#define GFX_BITBLT_H
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
#include "gfx_color.h"
|
|
|
|
// These module provides low-level bit block transfer (bitblt)
|
|
// operations on different bitmap/framebuffer types.
|
|
//
|
|
// `fill` - fills a rectangle with a solid color (with an optional
|
|
// alpha, allowing color blending).
|
|
//
|
|
// `copy` - copies a bitmap or part of it to the destination bitmap.
|
|
//
|
|
// `blend` - blends a bitmap with a 1- or 4-bit alpha channel to the
|
|
// destination using background and foreground colors.
|
|
//
|
|
// These operations might be accelerated using DMA2D (ChromART accelerator)
|
|
// on the STM32 platform.
|
|
|
|
// Represents a set of parameters for a bit block transfer operation.
|
|
typedef struct {
|
|
// Pointer to the destination bitmap's first row
|
|
void* dst_row;
|
|
// Number of bytes per line in the destination bitmap
|
|
uint16_t dst_stride;
|
|
// X-coordinate of the top-left corner inside the destination
|
|
uint16_t dst_x;
|
|
// Y-coordinate of the top-left corner inside the destination
|
|
uint16_t dst_y;
|
|
// Height of the filled/copied/blended area
|
|
uint16_t height;
|
|
// Width of the filled/copied/blended area
|
|
uint16_t width;
|
|
|
|
// Pointer to the source bitmap's first row
|
|
// (unused for fill operations)
|
|
void* src_row;
|
|
// Number of bytes per line in the source bitmap
|
|
// (unused for fill operations)
|
|
uint16_t src_stride;
|
|
// X-coordinate of the origin in the source bitmap
|
|
// (unused for fill operations)
|
|
uint16_t src_x;
|
|
// Y-coordinate of the origin in the source bitmap
|
|
// (unused for fill operations)
|
|
uint16_t src_y;
|
|
|
|
// Foreground color used when copying/blending/filling
|
|
gfx_color_t src_fg;
|
|
// Background color used when copying mono bitmaps
|
|
gfx_color_t src_bg;
|
|
// Alpha value for fill operation (255 => normal fill, 0 => noop)
|
|
uint8_t src_alpha;
|
|
|
|
} gfx_bitblt_t;
|
|
|
|
// Functions for RGB565 bitmap/framebuffer
|
|
|
|
// Fills a rectangle with a solid color
|
|
void gfx_rgb565_fill(const gfx_bitblt_t* bb);
|
|
// Copies a mono bitmap (with 1-bit alpha channel)
|
|
void gfx_rgb565_copy_mono1p(const gfx_bitblt_t* bb);
|
|
// Copies a mono bitmap (with 4-bit alpha channel)
|
|
void gfx_rgb565_copy_mono4(const gfx_bitblt_t* bb);
|
|
// Copies an RGB565 bitmap
|
|
void gfx_rgb565_copy_rgb565(const gfx_bitblt_t* bb);
|
|
// Blends a mono bitmap (with 4-bit alpha channel)
|
|
// with the destination bitmap
|
|
void gfx_rgb565_blend_mono4(const gfx_bitblt_t* bb);
|
|
// Blends a mono bitmap (with 8-bit alpha channel)
|
|
// with the destination bitmap
|
|
void gfx_rgb565_blend_mono8(const gfx_bitblt_t* bb);
|
|
|
|
// Functions for RGBA8888 bitmap/framebuffer
|
|
void gfx_rgba8888_fill(const gfx_bitblt_t* bb);
|
|
// Copies a mono bitmap (with 1-bit alpha channel)
|
|
void gfx_rgba8888_copy_mono1p(const gfx_bitblt_t* bb);
|
|
// Copies a mono bitmap (with 4-bit alpha channel)
|
|
void gfx_rgba8888_copy_mono4(const gfx_bitblt_t* bb);
|
|
// Copies an RGB565 bitmap
|
|
void gfx_rgba8888_copy_rgb565(const gfx_bitblt_t* bb);
|
|
// Copies an RGBA8888 bitmap
|
|
void gfx_rgba8888_copy_rgba8888(const gfx_bitblt_t* bb);
|
|
// Blends a mono bitmap (with 4-bit alpha channel)
|
|
// with the destination bitmap
|
|
void gfx_rgba8888_blend_mono4(const gfx_bitblt_t* bb);
|
|
// Blends a mono bitmap (with 8-bit alpha channel)
|
|
// with the destination bitmap
|
|
void gfx_rgba8888_blend_mono8(const gfx_bitblt_t* bb);
|
|
|
|
// Functions for Mono8 bitmap/framebuffer
|
|
void gfx_mono8_fill(const gfx_bitblt_t* bb);
|
|
// Copies a mono bitmap (with 1-bit alpha channel)
|
|
void gfx_mono8_copy_mono1p(const gfx_bitblt_t* bb);
|
|
// Copies a mono bitmap (with 4-bit alpha channel)
|
|
void gfx_mono8_copy_mono4(const gfx_bitblt_t* bb);
|
|
// Blends a mono bitmap (with 1-bit alpha channel)
|
|
// with the destination bitmap
|
|
void gfx_mono8_blend_mono1p(const gfx_bitblt_t* bb);
|
|
// Blends a mono bitmap (with 4-bit alpha channel)
|
|
// with the destination bitmap
|
|
void gfx_mono8_blend_mono4(const gfx_bitblt_t* bb);
|
|
|
|
#endif // GFX_BITBLT_H
|