mirror of
https://github.com/knightfox75/nds_nflib.git
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106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
// SPDX-License-Identifier: CC0-1.0
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//
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// SPDX-FileContributor: NightFox & Co., 2009-2011
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//
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// Example to load 8, 16 and 24 bit BMP files.
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// http://www.nightfoxandco.com
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <nds.h>
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#include <filesystem.h>
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#include <nf_lib.h>
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#define MAX_BMP_FILES 3
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int main(int argc, char **argv)
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{
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// Prepare a NitroFS initialization screen
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NF_Set2D(0, 0);
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NF_Set2D(1, 0);
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consoleDemoInit();
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printf("\n NitroFS init. Please wait.\n\n");
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printf(" Iniciando NitroFS,\n por favor, espere.\n\n");
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swiWaitForVBlank();
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// Initialize NitroFS and set it as the root folder of the filesystem
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nitroFSInit(NULL);
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NF_SetRootFolder("NITROFS");
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// Initialize 2D engine in both screens and use mode 5
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NF_Set2D(0, 5);
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NF_Set2D(1, 5);
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// Initialize bitmap backgrounds system
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NF_InitBitmapBgSys(0, 1);
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NF_InitBitmapBgSys(1, 1);
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// Initialize storage buffers
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NF_Init16bitsBgBuffers();
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// Initialize backbuffers
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NF_Init16bitsBackBuffer(0);
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NF_Init16bitsBackBuffer(1);
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// Enable backbuffers
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NF_Enable16bitsBackBuffer(0);
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NF_Enable16bitsBackBuffer(1);
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// Load bitmap files from NitroFS
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NF_LoadBMP("bmp/bmp8bits", 0);
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NF_LoadBMP("bmp/bmp16bits", 1);
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NF_LoadBMP("bmp/bmp24bits", 2);
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// Variables
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s8 img1 = 0;
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s8 img2 = 1;
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// Draw screens on the backbuffers
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NF_Draw16bitsImage(0, img1, 0, 0, false);
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NF_Draw16bitsImage(1, img2, 0, 0, false);
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while (1)
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{
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scanKeys(); // Read keypad
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u16 keys = keysHeld(); // Keys currently pressed
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if ((keys & KEY_UP) || (keys & KEY_DOWN))
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{
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if (keys & KEY_UP)
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{
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img1 --;
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img2 --;
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if (img1 < 0)
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img1 = (MAX_BMP_FILES - 1);
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if (img2 < 0)
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img2 = (MAX_BMP_FILES - 1);
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}
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if (keys & KEY_DOWN)
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{
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img1 ++;
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img2 ++;
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if (img1 > (MAX_BMP_FILES - 1))
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img1 = 0;
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if (img2 > (MAX_BMP_FILES - 1))
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img2 = 0;
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}
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// Draw images on the backbuffers
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NF_Draw16bitsImage(0, img1, 0, 0, false);
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NF_Draw16bitsImage(1, img2, 0, 0, false);
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}
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// Wait for the screen refresh
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swiWaitForVBlank();
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// Send backbuffers to the screen
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NF_Flip16bitsBackBuffer(0);
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NF_Flip16bitsBackBuffer(1);
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}
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return 0;
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}
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