手機 - Blackberry Passport - Core Native (C/C++) - SDL v1.2 - Clip Image

main.cpp

#include <stdio.h>
#include <stdio.h>
#include <stdlib.h>
#include <SDL.h>
#include <SDL_image.h>

int main(int argc, char* args[])
{
    int loop = 1;
    SDL_Event event;

    if (SDL_Init(SDL_INIT_VIDEO) != 0) {
        printf("%s, failed to SDL_Init\n", __func__);
        return -1;
    }

    SDL_Surface* screen = NULL;
    screen = SDL_SetVideoMode(1440, 1440, 32, SDL_HWSURFACE | SDL_DOUBLEBUF);
    if (screen == NULL) {
        printf("%s, failed to SDL_SetVideMode\n", __func__);
        return -1;
    }

    SDL_Surface* png = IMG_Load("app/native/main.png");
    if (png == NULL) {
        printf("%s, failed to IMG_Load\n", __func__);
        return -1;
    }
    SDL_FillRect(screen, &screen->clip_rect, SDL_MapRGB(screen->format, 0xff, 0xff, 0xff));

    SDL_Rect of = {0}, clip = {0};
    of.x = 0;
    of.y = 0;
    clip.x = 0;
    clip.y = 0;
    clip.w = 100;
    clip.h = 100;
    SDL_BlitSurface(png, &clip, screen, &of);
  
    of.x = 1340;
    of.y = 0;
    clip.x = 100;
    clip.y = 0;
    clip.w = 100;
    clip.h = 100;
    SDL_BlitSurface(png, &clip, screen, &of);
  
    of.x = 0;
    of.y = 1340;
    clip.x = 0;
    clip.y = 100;
    clip.w = 100;
    clip.h = 100;
    SDL_BlitSurface(png, &clip, screen, &of);
  
    of.x = 1340;
    of.y = 1340;
    clip.x = 100;
    clip.y = 100;
    clip.w = 100;
    clip.h = 100;
    SDL_BlitSurface(png, &clip, screen, &of);

    SDL_ShowCursor(0);
    SDL_Flip(screen);
    while (loop) {
        while (SDL_PollEvent(&event)) {
            if (event.type == SDL_KEYDOWN) {
                loop = 0;
            }
        }
    }
    SDL_FreeSurface(png);
    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.ch6</id>
    <name>ch6</name>
    <filename>ch6</filename>
    <versionNumber>1.0.0</versionNumber>
    <buildId>1</buildId>
    <description>Lesson 6. Clip Blitting and Sprite Sheets</description>

    <author>Steward</author>
    <authorId>gYAAgGE4qaHzBnzEAu8JKe4G1OI</authorId>

    <asset path="main" entry="true" type="Qnx/Elf">main</asset>
    <asset path="main.png">main.png</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 lib/libSDL_image-1.2.so.8 $(QNX_TARGET)/lib/libwebp.a
	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