embed/unix: implement nice background into emulator

embed/extmod/modtrezorui/display-unix.h

@@ -10,11 +10,9 @@
 #include <SDL2/SDL.h>
 #include <SDL2/SDL_image.h>
 
-#define DISPLAY_BORDER 16
-
 static SDL_Renderer *RENDERER;
 static SDL_Surface *BUFFER;
-static SDL_Texture *TEXTURE;
+static SDL_Texture *TEXTURE, *BACKGROUND;
 
 static struct {
     struct {
@@ -53,7 +51,7 @@ void display_init(void)
         ensure(secfalse, "SDL_Init error");
     }
     atexit(SDL_Quit);
-    SDL_Window *win = SDL_CreateWindow("TREZOR", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, DISPLAY_RESX + 2 * DISPLAY_BORDER, DISPLAY_RESY + 2 * DISPLAY_BORDER, SDL_WINDOW_SHOWN);
+    SDL_Window *win = SDL_CreateWindow("TREZOR Emulator", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_SHOWN);
     if (!win) {
         printf("%s\n", SDL_GetError());
         ensure(secfalse, "SDL_CreateWindow error");
@@ -69,7 +67,11 @@ void display_init(void)
     BUFFER = SDL_CreateRGBSurface(0, MAX_DISPLAY_RESX, MAX_DISPLAY_RESY, 16, 0xF800, 0x07E0, 0x001F, 0x0000);
     TEXTURE = SDL_CreateTexture(RENDERER, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STREAMING, DISPLAY_RESX, DISPLAY_RESY);
     SDL_SetTextureBlendMode(TEXTURE, SDL_BLENDMODE_BLEND);
-
+    // TODO: find better way how to embed/distribute background image
+    BACKGROUND = IMG_LoadTexture(RENDERER, "../embed/unix/background.jpg");
+    if (BACKGROUND) {
+        SDL_SetTextureBlendMode(BACKGROUND, SDL_BLENDMODE_NONE);
+    }
     DISPLAY_BACKLIGHT = 0;
     DISPLAY_ORIENTATION = 0;
 #endif
@@ -93,11 +95,15 @@ void display_refresh(void)
     if (!RENDERER) {
         display_init();
     }
-    SDL_RenderClear(RENDERER);
+    if (BACKGROUND) {
+        SDL_RenderCopy(RENDERER, BACKGROUND, NULL, NULL);
+    } else {
+        SDL_RenderClear(RENDERER);
+    }
     SDL_UpdateTexture(TEXTURE, NULL, BUFFER->pixels, BUFFER->pitch);
 #define BACKLIGHT_NORMAL 150
     SDL_SetTextureAlphaMod(TEXTURE, MIN(255, 255 * DISPLAY_BACKLIGHT / BACKLIGHT_NORMAL));
-    const SDL_Rect r = {DISPLAY_BORDER, DISPLAY_BORDER, DISPLAY_RESX, DISPLAY_RESY};
+    const SDL_Rect r = {DISPLAY_TOUCH_OFFSET_X, DISPLAY_TOUCH_OFFSET_Y, DISPLAY_RESX, DISPLAY_RESY};
     SDL_RenderCopyEx(RENDERER, TEXTURE, NULL, &r, DISPLAY_ORIENTATION, NULL, 0);
     SDL_RenderPresent(RENDERER);
 #endif

embed/extmod/modtrezorui/display.c

@@ -20,6 +20,7 @@
 #include "trezor-qrenc/qr_encode.h"
 
 #include "common.h"
+#include "options.h"
 #include "display.h"
 
 #include <string.h>

embed/trezorhal/options.h

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) Pavol Rusnak, SatoshiLabs
+ *
+ * Licensed under TREZOR License
+ * see LICENSE file for details
+ */
+
+#ifndef __OPTIONS_H__
+#define __OPTIONS_H__
+
+#endif

embed/unix/options.h

@@ -10,6 +10,11 @@
 
 #define DISPLAY_RESX 240
 #define DISPLAY_RESY 240
-#define DISPLAY_BORDER 16
+
+#define DISPLAY_TOUCH_OFFSET_X 180
+#define DISPLAY_TOUCH_OFFSET_Y 120
+
+#define WINDOW_WIDTH 600
+#define WINDOW_HEIGHT 800
 
 #endif

embed/unix/touch.c

@@ -26,8 +26,8 @@ uint32_t touch_read(void)
             case SDL_MOUSEBUTTONDOWN:
             case SDL_MOUSEMOTION:
             case SDL_MOUSEBUTTONUP:
-                x = event.button.x - DISPLAY_BORDER;
-                y = event.button.y - DISPLAY_BORDER;
+                x = event.button.x - DISPLAY_TOUCH_OFFSET_X;
+                y = event.button.y - DISPLAY_TOUCH_OFFSET_Y;
                 if (x < 0 || y < 0 || x >= DISPLAY_RESX || y >= DISPLAY_RESY) break;
                 switch (event.type) {
                     case SDL_MOUSEBUTTONDOWN: