mirror of
https://github.com/GRRLIB/GRRLIB.git
synced 2024-11-10 02:12:20 +00:00
Fixed some cppcheck warnings in pngu.c
This commit is contained in:
Crayon2000
parent
87de2e5ce6
commit
ec76ad184f
4 changed files with 54 additions and 61 deletions
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@ -2,6 +2,10 @@
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All notable changes to this project will be documented in this file.
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## [Unreleased][]
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- TODO
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## [4.5.1][] - 2024-03-02
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- Changed the libraries installation so it always creates the directory structure before moving the files.
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@ -121,6 +125,7 @@ All notable changes to this project will be documented in this file.
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- New Bitmap FX
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- Add `GRRLIB_Exit()` to free the memory allocated by GRRLIB
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[unreleased]: https://github.com/GRRLIB/GRRLIB/compare/v4.5.1...HEAD
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[4.5.1]: https://github.com/GRRLIB/GRRLIB/compare/v4.5.0...v4.5.1
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[4.5.0]: https://github.com/GRRLIB/GRRLIB/compare/v4.4.1...v4.5.0
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[4.4.1]: https://github.com/GRRLIB/GRRLIB/compare/v4.4.0...v4.4.1
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@ -44,7 +44,7 @@ void GRRLIB_Printf (const f32 xpos, const f32 ypos,
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}
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char tmp[1024];
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f32 offset = tex->tilew * zoom;
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const f32 offset = tex->tilew * zoom;
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va_list argp;
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va_start(argp, text);
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@ -127,11 +127,9 @@ void PNGU_ReleaseImageContext (IMGCTX ctx)
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int PNGU_GetImageProperties (IMGCTX ctx, PNGUPROP *imgprop)
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{
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int res;
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if (!ctx->propRead)
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{
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res = pngu_info (ctx);
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const int res = pngu_info (ctx);
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if (res != PNGU_OK)
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return res;
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}
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@ -145,7 +143,7 @@ int PNGU_GetImageProperties (IMGCTX ctx, PNGUPROP *imgprop)
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int PNGU_DecodeToYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride)
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{
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int result;
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PNGU_u32 x, y, buffWidth;
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PNGU_u32 x, y;
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// width needs to be divisible by two
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if (width % 2)
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@ -160,7 +158,7 @@ int PNGU_DecodeToYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buff
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return result;
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// Copy image to the output buffer
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buffWidth = (width + stride) / 2;
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const PNGU_u32 buffWidth = (width + stride) / 2;
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for (y = 0; y < height; y++)
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for (x = 0; x < (width / 2); x++)
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((PNGU_u32 *)buffer)[y*buffWidth+x] = PNGU_RGB8_TO_YCbYCr (*(ctx->row_pointers[y]+x*6), *(ctx->row_pointers[y]+x*6+1), *(ctx->row_pointers[y]+x*6+2),
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@ -178,13 +176,13 @@ int PNGU_DecodeToYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buff
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int PNGU_DecodeToRGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride)
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{
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int result;
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PNGU_u32 x, y, buffWidth;
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PNGU_u32 x, y;
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result = pngu_decode (ctx, width, height, 1);
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if (result != PNGU_OK)
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return result;
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buffWidth = width + stride;
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const PNGU_u32 buffWidth = width + stride;
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// Copy image to the output buffer
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for (y = 0; y < height; y++)
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@ -206,13 +204,13 @@ int PNGU_DecodeToRGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buff
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int PNGU_DecodeToRGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride, PNGU_u8 default_alpha)
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{
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int result;
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PNGU_u32 x, y, buffWidth;
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PNGU_u32 x, y;
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result = pngu_decode (ctx, width, height, 0);
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if (result != PNGU_OK)
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return result;
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buffWidth = width + stride;
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const PNGU_u32 buffWidth = width + stride;
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// Check is source image has an alpha channel
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if ( (ctx->prop.imgColorType == PNGU_COLOR_TYPE_GRAY_ALPHA) || (ctx->prop.imgColorType == PNGU_COLOR_TYPE_RGB_ALPHA) )
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@ -245,7 +243,7 @@ int PNGU_DecodeToRGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffe
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int PNGU_DecodeTo4x4RGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer)
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{
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int result;
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PNGU_u32 x, y, qwidth, qheight;
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PNGU_u32 x, y;
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// width and height need to be divisible by four
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if ((width % 4) || (height % 4))
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@ -256,8 +254,8 @@ int PNGU_DecodeTo4x4RGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
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return result;
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// Copy image to the output buffer
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qwidth = width / 4;
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qheight = height / 4;
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const PNGU_u32 qwidth = width / 4;
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const PNGU_u32 qheight = height / 4;
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for (y = 0; y < qheight; y++)
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for (x = 0; x < qwidth; x++)
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@ -309,8 +307,7 @@ int PNGU_DecodeTo4x4RGB565 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
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int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u8 default_alpha)
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{
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int result;
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PNGU_u32 x, y, qwidth, qheight;
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PNGU_u64 alphaMask;
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PNGU_u32 x, y;
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// width and height need to be divisible by four
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if ((width % 4) || (height % 4))
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@ -321,8 +318,8 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
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return result;
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// Init some vars
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qwidth = width / 4;
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qheight = height / 4;
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const PNGU_u32 qwidth = width / 4;
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const PNGU_u32 qheight = height / 4;
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// Check is source image has an alpha channel
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if ( (ctx->prop.imgColorType == PNGU_COLOR_TYPE_GRAY_ALPHA) || (ctx->prop.imgColorType == PNGU_COLOR_TYPE_RGB_ALPHA) )
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@ -457,6 +454,8 @@ int PNGU_DecodeTo4x4RGB5A3 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *b
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}
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else
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{
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PNGU_u64 alphaMask;
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// No alpha channel present, copy image to the output buffer
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default_alpha = (default_alpha >> 5);
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if (default_alpha == 7)
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@ -567,9 +566,8 @@ static inline PNGU_u32 coordsRGBA8(PNGU_u32 x, PNGU_u32 y, PNGU_u32 w)
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PNGU_u8 * PNGU_DecodeTo4x4RGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, int * dstWidth, int * dstHeight)
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{
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PNGU_u8 default_alpha = 255; // default alpha value, which is used if the source image doesn't have an alpha channel.
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int x, y, x2=0, y2=0, offset;
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int x, y, x2=0, y2=0;
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int xRatio = 0, yRatio = 0;
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png_byte *pixel;
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if (pngu_decode (ctx, width, height, 0) != PNGU_OK)
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return NULL;
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@ -612,7 +610,7 @@ PNGU_u8 * PNGU_DecodeTo4x4RGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, in
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{
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for (x = 0; x < padWidth; x++)
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{
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offset = coordsRGBA8(x, y, padWidth);
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const int offset = coordsRGBA8(x, y, padWidth);
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if(y >= newHeight || x >= newWidth)
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{
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@ -623,6 +621,7 @@ PNGU_u8 * PNGU_DecodeTo4x4RGBA8 (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, in
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}
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else
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{
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png_byte *pixel;
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if(xRatio > 0)
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{
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x2 = ((x*xRatio)>>16);
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@ -779,24 +778,20 @@ int PNGU_EncodeFromRGB (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffe
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// Coded by Tantric for libwiigui (https://github.com/dborth/libwiigui)
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int PNGU_EncodeFromGXTexture (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *buffer, PNGU_u32 stride)
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{
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int res;
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PNGU_u32 x,y, tmpy1, tmpy2, tmpyWid, tmpxy;
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unsigned char * ptr = (unsigned char*)buffer;
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const unsigned char * ptr = (unsigned char*)buffer;
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unsigned char * tmpbuffer = (unsigned char *)malloc(width*height*3);
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memset(tmpbuffer, 0, width*height*3);
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png_uint_32 offset;
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for(y=0; y < height; y++)
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for(PNGU_u32 y=0; y < height; y++)
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{
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tmpy1 = y * 640*3;
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tmpy2 = y%4 << 2;
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tmpyWid = (((y >> 2)<<4)*width);
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const PNGU_u32 tmpy1 = y * 640*3;
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const PNGU_u32 tmpy2 = y%4 << 2;
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const PNGU_u32 tmpyWid = (((y >> 2)<<4)*width);
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for(x=0; x < width; x++)
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for(PNGU_u32 x=0; x < width; x++)
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{
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offset = tmpyWid + ((x >> 2)<<6) + ((tmpy2+ x%4 ) << 1);
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tmpxy = x * 3 + tmpy1;
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const png_uint_32 offset = tmpyWid + ((x >> 2)<<6) + ((tmpy2+ x%4 ) << 1);
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const PNGU_u32 tmpxy = x * 3 + tmpy1;
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tmpbuffer[tmpxy ] = ptr[offset+1]; // R
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tmpbuffer[tmpxy+1] = ptr[offset+32]; // G
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@ -804,7 +799,7 @@ int PNGU_EncodeFromGXTexture (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void
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}
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}
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res = PNGU_EncodeFromRGB (ctx, width, height, tmpbuffer, stride);
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const int res = PNGU_EncodeFromRGB (ctx, width, height, tmpbuffer, stride);
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free(tmpbuffer);
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return res;
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}
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@ -812,27 +807,25 @@ int PNGU_EncodeFromGXTexture (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void
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// Coded by Crayon for GRRLIB (https://github.com/GRRLIB/GRRLIB)
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int PNGU_EncodeFromEFB (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, PNGU_u32 stride)
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{
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int res;
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PNGU_u32 x,y, tmpy, tmpxy, regval, val;
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unsigned char * tmpbuffer = (unsigned char *)malloc(width*height*3);
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memset(tmpbuffer, 0, width*height*3);
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for(y=0; y < height; y++)
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for(PNGU_u32 y=0; y < height; y++)
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{
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tmpy = y * 640*3;
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for(x=0; x < width; x++)
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const PNGU_u32 tmpy = y * 640*3;
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for(PNGU_u32 x=0; x < width; x++)
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{
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regval = 0xc8000000|(_SHIFTL(x,2,10));
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PNGU_u32 regval = 0xc8000000|(_SHIFTL(x,2,10));
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regval = (regval&~0x3FF000)|(_SHIFTL(y,12,10));
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val = *(PNGU_u32*)regval;
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tmpxy = x * 3 + tmpy;
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const PNGU_u32 val = *(PNGU_u32*)regval;
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const PNGU_u32 tmpxy = x * 3 + tmpy;
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tmpbuffer[tmpxy ] = _SHIFTR(val,16,8); // R
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tmpbuffer[tmpxy+1] = _SHIFTR(val,8,8); // G
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tmpbuffer[tmpxy+2] = val&0xff; // B
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}
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}
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res = PNGU_EncodeFromRGB (ctx, width, height, tmpbuffer, stride);
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const int res = PNGU_EncodeFromRGB (ctx, width, height, tmpbuffer, stride);
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free(tmpbuffer);
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return res;
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}
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@ -954,18 +947,16 @@ int PNGU_EncodeFromYCbYCr (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, void *bu
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// This function is taken from a libogc example
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PNGU_u32 PNGU_RGB8_TO_YCbYCr (PNGU_u8 r1, PNGU_u8 g1, PNGU_u8 b1, PNGU_u8 r2, PNGU_u8 g2, PNGU_u8 b2)
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{
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int y1, cb1, cr1, y2, cb2, cr2, cb, cr;
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const int y1 = (299 * r1 + 587 * g1 + 114 * b1) / 1000;
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const int cb1 = (-16874 * r1 - 33126 * g1 + 50000 * b1 + 12800000) / 100000;
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const int cr1 = (50000 * r1 - 41869 * g1 - 8131 * b1 + 12800000) / 100000;
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y1 = (299 * r1 + 587 * g1 + 114 * b1) / 1000;
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cb1 = (-16874 * r1 - 33126 * g1 + 50000 * b1 + 12800000) / 100000;
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cr1 = (50000 * r1 - 41869 * g1 - 8131 * b1 + 12800000) / 100000;
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const int y2 = (299 * r2 + 587 * g2 + 114 * b2) / 1000;
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const int cb2 = (-16874 * r2 - 33126 * g2 + 50000 * b2 + 12800000) / 100000;
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const int cr2 = (50000 * r2 - 41869 * g2 - 8131 * b2 + 12800000) / 100000;
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y2 = (299 * r2 + 587 * g2 + 114 * b2) / 1000;
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cb2 = (-16874 * r2 - 33126 * g2 + 50000 * b2 + 12800000) / 100000;
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cr2 = (50000 * r2 - 41869 * g2 - 8131 * b2 + 12800000) / 100000;
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cb = (cb1 + cb2) >> 1;
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cr = (cr1 + cr2) >> 1;
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const int cb = (cb1 + cb2) >> 1;
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const int cr = (cr1 + cr2) >> 1;
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return (PNGU_u32) ((y1 << 24) | (cb << 16) | (y2 << 8) | cr);
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}
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@ -973,12 +964,11 @@ PNGU_u32 PNGU_RGB8_TO_YCbYCr (PNGU_u8 r1, PNGU_u8 g1, PNGU_u8 b1, PNGU_u8 r2, PN
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void PNGU_YCbYCr_TO_RGB8 (PNGU_u32 ycbycr, PNGU_u8 *r1, PNGU_u8 *g1, PNGU_u8 *b1, PNGU_u8 *r2, PNGU_u8 *g2, PNGU_u8 *b2)
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{
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PNGU_u8 *val = (PNGU_u8 *) &ycbycr;
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int r, g, b;
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const PNGU_u8 *val = (PNGU_u8 *) &ycbycr;
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r = 1.371f * (val[3] - 128);
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g = - 0.698f * (val[3] - 128) - 0.336f * (val[1] - 128);
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b = 1.732f * (val[1] - 128);
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const int r = 1.371f * (val[3] - 128);
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const int g = - 0.698f * (val[3] - 128) - 0.336f * (val[1] - 128);
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const int b = 1.732f * (val[1] - 128);
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*r1 = pngu_clamp (val[0] + r, 0, 255);
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*g1 = pngu_clamp (val[0] + g, 0, 255);
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@ -998,7 +988,7 @@ int pngu_info (IMGCTX ctx)
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png_color_16p background;
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png_bytep trans;
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png_color_16p trans_values;
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int scale, i;
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int i;
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// Check if there is a file selected and if it is a valid .png
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if (ctx->source == PNGU_SOURCE_BUFFER)
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@ -1095,7 +1085,7 @@ int pngu_info (IMGCTX ctx)
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}
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// Constant used to scale 16 bit values to 8 bit values
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scale = 1;
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int scale = 1;
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if (ctx->prop.imgBitDepth == 16)
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scale = 256;
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@ -1284,4 +1274,3 @@ int pngu_clamp (int value, int min, int max)
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return value;
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}
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@ -27,4 +27,3 @@
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* It could be used as a template to start a new project.
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* More elaborate examples can be found inside the \e examples folder.
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*/
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