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124 lines
3.7 KiB
124 lines
3.7 KiB
/*
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* Copyright (c) Pavol Rusnak, SatoshiLabs
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*
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* Licensed under Microsoft Reference Source License (Ms-RSL)
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* see LICENSE.md file for details
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*/
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#include <SDL2/SDL.h>
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#include <stdlib.h>
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#define DISPLAY_BORDER 8
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static SDL_Renderer *RENDERER = 0;
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static SDL_Surface *SCREEN = 0;
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static SDL_Texture *TEXTURE = 0;
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static int DATAODD = 0;
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static int POSX, POSY, SX, SY, EX, EY = 0;
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static int ROTATION = 0;
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#define CMD(X) (void)(X);
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static void DATA(uint8_t x) {
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if (POSX <= EX && POSY <= EY) {
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((uint8_t *)SCREEN->pixels)[POSX * 2 + POSY * SCREEN->pitch + (DATAODD ^ 1)] = x;
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}
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DATAODD = !DATAODD;
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if (DATAODD == 0) {
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POSX++;
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if (POSX > EX) {
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POSX = SX;
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POSY++;
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}
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}
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}
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uint32_t trezorui_poll_sdl_event(void)
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{
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SDL_Event event;
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int x, y;
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SDL_PumpEvents();
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if (SDL_PollEvent(&event) > 0) {
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switch (event.type) {
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEMOTION:
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case SDL_MOUSEBUTTONUP:
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x = event.button.x - DISPLAY_BORDER;
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y = event.button.y - DISPLAY_BORDER;
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if (x < 0 || y < 0 || x >= RESX || y >= RESY) break;
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switch (event.type) {
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case SDL_MOUSEBUTTONDOWN:
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return (0x00 << 24) | (0x01 << 16) | (x << 8) | y; // touch_start
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break;
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case SDL_MOUSEMOTION:
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// remove other SDL_MOUSEMOTION events from queue
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SDL_FlushEvent(SDL_MOUSEMOTION);
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if (event.motion.state) {
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return (0x00 << 24) | (0x02 << 16) | (x << 8) | y; // touch_move
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}
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break;
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case SDL_MOUSEBUTTONUP:
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return (0x00 << 24) | (0x03 << 16) | (x << 8) | y; // touch_end
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break;
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}
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break;
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case SDL_KEYUP:
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if (event.key.keysym.sym == SDLK_ESCAPE) {
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exit(3);
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}
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break;
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case SDL_QUIT:
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exit(3);
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break;
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}
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}
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return 0;
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}
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static void display_init(void)
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{
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if (SDL_Init(SDL_INIT_VIDEO) != 0) {
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printf("SDL_Init Error: %s\n", SDL_GetError());
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}
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SDL_Window *win = SDL_CreateWindow("TREZOR", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, RESX + 2 * DISPLAY_BORDER, RESY + 2 * DISPLAY_BORDER, SDL_WINDOW_SHOWN);
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if (!win) {
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printf("SDL_CreateWindow Error: %s\n", SDL_GetError());
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SDL_Quit();
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}
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RENDERER = SDL_CreateRenderer(win, -1, SDL_RENDERER_SOFTWARE);
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if (!RENDERER) {
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printf("SDL_CreateRenderer Error: %s\n", SDL_GetError());
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SDL_DestroyWindow(win);
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SDL_Quit();
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}
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SDL_RenderClear(RENDERER);
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SCREEN = SDL_CreateRGBSurface(0, RESX, RESY, 16, 0xF800, 0x07E0, 0x001F, 0x0000);
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TEXTURE = SDL_CreateTexture(RENDERER, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STREAMING, RESX, RESY);
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}
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static void display_set_window(uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
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SX = x; SY = y;
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EX = x + w - 1; EY = y + h - 1;
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POSX = SX; POSY = SY;
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DATAODD = 0;
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}
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static void display_update(void)
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{
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SDL_RenderClear(RENDERER);
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SDL_UpdateTexture(TEXTURE, NULL, SCREEN->pixels, SCREEN->pitch);
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const SDL_Rect r = {DISPLAY_BORDER, DISPLAY_BORDER, RESX, RESY};
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SDL_RenderCopyEx(RENDERER, TEXTURE, NULL, &r, ROTATION, NULL, 0);
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SDL_RenderPresent(RENDERER);
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}
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static void display_orientation(int degrees)
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{
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ROTATION = degrees;
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display_update();
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}
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static void display_backlight(uint8_t val)
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{
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}
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