libctru  v2.3.1
graphics/printing/multiple-windows-text/source/main.c
/*
Multiple Windows Text example made by Aurelio Mannara for libctru
This code was modified for the last time on: 12/12/2014 23:50 UTC+1
*/
#include <3ds.h>
#include <stdio.h>
int main(int argc, char **argv)
{
// Initialize services
//In this example we need three PrintConsole, one for each window and one for the whole top screen
PrintConsole leftWindow, rightWindow, topScreen;
//Initialize console for each window
consoleInit(GFX_TOP, &leftWindow);
consoleInit(GFX_TOP, &rightWindow);
consoleInit(GFX_TOP, &topScreen);
//Now we specify the window position and dimension for each console window using consoleSetWindow(PrintConsole* console, int x, int y, int width, int height);
//x, y, width and height are in terms of cells, not pixel, where each cell is composed by 8x8 pixels.
consoleSetWindow(&leftWindow, 1, 1, 23, 28);
consoleSetWindow(&rightWindow, 26, 1, 23, 28);
//Before doing any text printing we should select the PrintConsole in which we are willing to write, otherwise the library will print on the last selected/initialized one
//Let's start by printing something on the top screen
consoleSelect(&leftWindow);
printf("This text is in the left window!\n");
printf("3DS rocks!!!\n");
//Now write something else on the bottom screen
consoleSelect(&rightWindow);
printf("This text is in the right window!\n");
printf("This thing works pretty well!\n");
consoleSelect(&topScreen);
printf("\x1b[30;16HPress Start to exit.");
// Main loop
while (aptMainLoop())
{
//Scan all the inputs. This should be done once for each frame
//hidKeysDown returns information about which buttons have been just pressed (and they weren't in the previous frame)
u32 kDown = hidKeysDown();
if (kDown & KEY_START) break; // break in order to return to hbmenu
// Flush and swap framebuffers
//Wait for VBlank
}
// Exit services
return 0;
}
Central 3DS header.
bool aptMainLoop(void)
Main function which handles sleep mode and HOME/power buttons - call this at the beginning of every f...
void consoleSetWindow(PrintConsole *console, int x, int y, int width, int height)
Sets the print window.
PrintConsole * consoleInit(gfxScreen_t screen, PrintConsole *console)
Initialise the console.
PrintConsole * consoleSelect(PrintConsole *console)
Make the specified console the render target.
void gfxSwapBuffers(void)
Updates the configuration of both screens.
void gfxInitDefault(void)
Initializes the LCD framebuffers with default parameters This is equivalent to calling:
@ GFX_TOP
Top screen.
Definition: gfx.h:26
void gfxExit(void)
Deinitializes and frees the LCD framebuffers.
void gfxFlushBuffers(void)
Flushes the data cache for the current framebuffers.
#define gspWaitForVBlank()
Waits for VBlank.
Definition: gspgpu.h:151
@ KEY_START
Start.
Definition: hid.h:15
u32 hidKeysDown(void)
Returns a bitmask of newly pressed buttons, this frame.
void hidScanInput(void)
Scans HID for input data.
Console structure used to store the state of a console render context.
Definition: console.h:77
uint32_t u32
32-bit unsigned integer
Definition: types.h:23