YAWM-ModMii-Edition/source/gui.c

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C
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#include <stdio.h>
#include <stdlib.h>
#include <ogcsys.h>
#include "video.h"
#include "fat.h"
#include "menu.h"
#include "nand.h"
#include "globals.h"
/* Constants */
#define CONSOLE_XCOORD 70
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#define CONSOLE_YCOORD 114
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#define CONSOLE_WIDTH 502
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#define CONSOLE_HEIGHT 300
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bool file_exists(const char * filename)
{
FILE * file;
if ((file = fopen(filename, "r")))
{
fclose(file);
return true;
}
return false;
}
s32 __Gui_DrawPng(void *img, u32 x, u32 y)
{
IMGCTX ctx = NULL;
PNGUPROP imgProp;
s32 ret;
fatDevice *fdev = &fdevList[0];
ret = Fat_Mount(fdev);
if (file_exists("sd:/wad/background.png")) ctx = PNGU_SelectImageFromDevice ("sd:/wad/background.png");
if (ret < 0)
{
fdev = &fdevList[2];
Fat_Mount(fdev);
if (file_exists("usb2:/wad/background.png")) ctx = PNGU_SelectImageFromDevice ("usb2:/wad/background.png");
}
if(!ctx)
{
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/* Select PNG data */
ctx = PNGU_SelectImageFromBuffer(img);
if (!ctx) {
ret = -1;
goto out;
}
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}
/* Get image properties */
ret = PNGU_GetImageProperties(ctx, &imgProp);
if (ret != PNGU_OK) {
ret = -1;
goto out;
}
/* Draw image */
Video_DrawPng(ctx, imgProp, x, y);
/* Success */
ret = 0;
out:
/* Free memory */
if (ctx)
PNGU_ReleaseImageContext(ctx);
return ret;
}
void Gui_InitConsole(void)
{
/* Initialize console */
Con_Init(CONSOLE_XCOORD, CONSOLE_YCOORD, CONSOLE_WIDTH, CONSOLE_HEIGHT);
}
void Gui_DrawBackground(void)
{
extern char bgData[];
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/* Draw background */
__Gui_DrawPng(bgData, 0, 0);
}