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https://github.com/GRRLIB/GRRLIB.git
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Validate parameters
This commit is contained in:
parent
7559495687
commit
d365fdc491
2 changed files with 30 additions and 9 deletions
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@ -1,5 +1,5 @@
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/*------------------------------------------------------------------------------
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Copyright (c) 2009-2022 The GRRLIB Team
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Copyright (c) 2009-2024 The GRRLIB Team
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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@ -31,6 +31,9 @@ THE SOFTWARE.
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* @param texdest The texture destination.
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*/
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void GRRLIB_BMFX_FlipH (const GRRLIB_texImg *texsrc, GRRLIB_texImg *texdest) {
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if (texsrc == NULL) {
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return;
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}
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const u32 txtWidth = texsrc->w - 1;
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for (u32 y = 0; y < texsrc->h; y++) {
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@ -48,6 +51,9 @@ void GRRLIB_BMFX_FlipH (const GRRLIB_texImg *texsrc, GRRLIB_texImg *texdest) {
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* @param texdest The texture destination.
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*/
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void GRRLIB_BMFX_FlipV (const GRRLIB_texImg *texsrc, GRRLIB_texImg *texdest) {
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if (texsrc == NULL) {
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return;
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}
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const u32 texHeight = texsrc->h - 1;
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for (u32 y = 0; y < texsrc->h; y++) {
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@ -66,6 +72,9 @@ void GRRLIB_BMFX_FlipV (const GRRLIB_texImg *texsrc, GRRLIB_texImg *texdest) {
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*/
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void GRRLIB_BMFX_Grayscale (const GRRLIB_texImg *texsrc,
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GRRLIB_texImg *texdest) {
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if (texsrc == NULL) {
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return;
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}
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for (u32 y = 0; y < texsrc->h; y++) {
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for (u32 x = 0; x < texsrc->w; x++) {
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const u32 color = GRRLIB_GetPixelFromtexImg(x, y, texsrc);
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@ -89,6 +98,9 @@ void GRRLIB_BMFX_Grayscale (const GRRLIB_texImg *texsrc,
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* @author elisherer
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*/
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void GRRLIB_BMFX_Sepia (const GRRLIB_texImg *texsrc, GRRLIB_texImg *texdest) {
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if (texsrc == NULL) {
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return;
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}
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for (u32 y = 0; y < texsrc->h; y++) {
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for (u32 x = 0; x < texsrc->w; x++) {
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const u32 color = GRRLIB_GetPixelFromtexImg(x, y, texsrc);
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@ -112,6 +124,9 @@ void GRRLIB_BMFX_Sepia (const GRRLIB_texImg *texsrc, GRRLIB_texImg *texdest) {
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* @param texdest The texture destination.
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*/
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void GRRLIB_BMFX_Invert (const GRRLIB_texImg *texsrc, GRRLIB_texImg *texdest) {
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if (texsrc == NULL) {
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return;
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}
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for (u32 y = 0; y < texsrc->h; y++) {
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for (u32 x = 0; x < texsrc->w; x++) {
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const u32 color = GRRLIB_GetPixelFromtexImg(x, y, texsrc);
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@ -130,6 +145,9 @@ void GRRLIB_BMFX_Invert (const GRRLIB_texImg *texsrc, GRRLIB_texImg *texdest) {
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*/
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void GRRLIB_BMFX_Blur (const GRRLIB_texImg *texsrc,
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GRRLIB_texImg *texdest, const u32 factor) {
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if (texsrc == NULL) {
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return;
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}
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const int numba = (1 + (factor << 1)) * (1 + (factor << 1));
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u32 colours[numba];
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@ -181,6 +199,9 @@ void GRRLIB_BMFX_Blur (const GRRLIB_texImg *texsrc,
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*/
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void GRRLIB_BMFX_Scatter (const GRRLIB_texImg *texsrc,
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GRRLIB_texImg *texdest, const u32 factor) {
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if (texsrc == NULL) {
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return;
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}
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const int factorx2 = factor * 2;
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for (u32 y = 0; y < texsrc->h; y++) {
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@ -188,9 +209,7 @@ void GRRLIB_BMFX_Scatter (const GRRLIB_texImg *texsrc,
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const u32 val1 = x + (int) (factorx2 * (rand() / (RAND_MAX + 1.0))) - factor;
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const u32 val2 = y + (int) (factorx2 * (rand() / (RAND_MAX + 1.0))) - factor;
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if ((val1 >= texsrc->w) || (val2 >= texsrc->h)) {
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}
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else {
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if (val1 < texsrc->w && val2 < texsrc->h) {
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const u32 val3 = GRRLIB_GetPixelFromtexImg(x, y, texsrc);
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const u32 val4 = GRRLIB_GetPixelFromtexImg(val1, val2, texsrc);
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GRRLIB_SetPixelTotexImg(x, y, texdest, val4);
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@ -209,6 +228,9 @@ void GRRLIB_BMFX_Scatter (const GRRLIB_texImg *texsrc,
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*/
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void GRRLIB_BMFX_Pixelate (const GRRLIB_texImg *texsrc,
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GRRLIB_texImg *texdest, const u32 factor) {
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if (texsrc == NULL) {
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return;
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}
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for (u32 x = 0; x < texsrc->w - 1 - factor; x += factor) {
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for (u32 y = 0; y < texsrc->h - 1 - factor; y +=factor) {
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const u32 rgb = GRRLIB_GetPixelFromtexImg(x, y, texsrc);
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@ -37,17 +37,16 @@ THE SOFTWARE.
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* - >0 : FileLength.
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*/
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int GRRLIB_LoadFile(const char* filename, u8* *data) {
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int len;
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FILE *fd;
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// Open the file
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if ( !(fd = fopen(filename, "rb")) ) {
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FILE *fd = fopen(filename, "rb");
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if ( fd == NULL ) {
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return -1;
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}
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// Get file length
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fseek(fd, 0, SEEK_END);
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if ( !(len = ftell(fd)) ) {
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const int len = ftell(fd);
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if ( len == 0 ) {
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fclose(fd);
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*data = NULL;
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return 0;
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