main.cpp
#include <stdio.h> #include <stdlib.h> #include <SDL.h> int main(int argc, char** args) { SDL_Rect of; SDL_Surface *bg = NULL; SDL_Surface *msg = NULL; SDL_Surface *screen = NULL; SDL_Surface *loadedImage = NULL; if (SDL_Init(SDL_INIT_EVERYTHING) == -1) { printf("failed to SDL_Init\n"); return -1; } screen = SDL_SetVideoMode(1440, 1440, 32, SDL_SWSURFACE); if (screen == NULL) { printf("failed to SD_SetVideMode\n"); return -1; } SDL_ShowCursor(0); loadedImage = SDL_LoadBMP("app/native/bg.bmp"); if (loadedImage != NULL) { bg = SDL_DisplayFormat(loadedImage); SDL_FreeSurface(loadedImage); } loadedImage = SDL_LoadBMP("app/native/msg.bmp"); if (loadedImage != NULL) { msg = SDL_DisplayFormat(loadedImage); SDL_FreeSurface(loadedImage); } Uint32 colorkey = SDL_MapRGB(msg->format, 0, 0, 0); SDL_SetColorKey(msg, SDL_SRCCOLORKEY, colorkey); of.x = 0; of.y= 0; SDL_BlitSurface(bg, NULL, screen, &of); of.x = 320; of.y= 0; SDL_BlitSurface(bg, NULL, screen, &of); of.x = 0; of.y= 240; SDL_BlitSurface(bg, NULL, screen, &of); of.x = 320; of.y= 240; SDL_BlitSurface(bg, NULL, screen, &of); of.x = 80; of.y= 60; SDL_BlitSurface(msg, NULL, screen, &of); SDL_Flip(screen); SDL_Delay(30000); SDL_FreeSurface(bg); SDL_FreeSurface(msg); SDL_Quit(); return 0; }
bar-descriptor.xml
<?xml version="1.0" encoding="utf-8" standalone="no"?> <qnx xmlns="http://www.qnx.com/schemas/application/1.0"> <id>com.steward.sdl.ch2</id> <name>ch2</name> <filename>ch2</filename> <versionNumber>1.0.0</versionNumber> <buildId>1</buildId> <description>Lesson 2. Optimized Surface Loading and Blitting</description> <author>Steward</author> <authorId>gYAAgGE4qaHzBnzEAu8JKe4G1OI</authorId> <asset path="main" entry="true" type="Qnx/Elf">main</asset> <asset path="bg.bmp">bg.bmp</asset> <asset path="msg.bmp">msg.bmp</asset> <asset path="lib" type="Qnx/Elf">lib</asset> <permission system="true">run_native</permission> <env var="LD_LIBRARY_PATH" value="app/native/lib"/> </qnx>
Makefile
main: main.cpp ntoarmv7-gcc main.cpp -g -o main lib/libSDL-1.2.so.11 -Iinclude blackberry-nativepackager -package main.bar bar-descriptor.xml -devMode -debugToken ${HOME}/.rim/debugtoken_q30.bar clean: rm -rf main rm -rf main.bar
完成