Moved Stars45 to StarsEx

1 files changed, 0 insertions, 255 deletions

diff --git a/Stars45/PngImage.cpp b/Stars45/PngImage.cpp
deleted file mode 100644
index d8f1244..0000000
--- a/Stars45/PngImage.cpp
+++ /dev/null
@@ -1,255 +0,0 @@
-/*  Starshatter: The Open Source Project
-    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
-    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
-    Copyright (c) 1997-2006, Destroyer Studios LLC.
-
-    AUTHOR:       John DiCamillo
-
-
-    OVERVIEW
-    ========
-    BMP image file loader
-*/
-
-
-#include "PngImage.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "Types.h"
-
-// Needed for compatibility with libpng 1.4++
-#define png_infopp_NULL (png_infopp)NULL
-#define png_voidp_NULL (png_voidp)NULL
-#define int_p_NULL (int*)NULL
-
-#include "png.h"
-
-// +--------------------------------------------------------------------+
-
-PngImage::PngImage()
-: width(0), height(0), bpp(0), alpha_loaded(false), image(0)
-{ }
-
-PngImage::~PngImage()
-{
-    delete [] image;
-}
-
-// +--------------------------------------------------------------------+
-
-int PngImage::Load(char *filename)
-{
-    int   status = PNG_INVALID;
-    FILE* f;
-
-    fopen_s(&f, filename,"rb");
-    if (f == NULL)
-    return PNG_NOFILE;
-
-    BYTE buf[12];
-    fread(buf, 8, 1, f);
-    fseek(f, 0, SEEK_SET);
-
-    if (png_sig_cmp(buf, (png_size_t)0, 8))
-    return PNG_INVALID;
-
-    png_structp png_ptr;
-    png_infop   info_ptr;
-
-    /* Create and initialize the png_struct with the desired error handler
-    * functions.  If you want to use the default stderr and longjump method,
-    * you can supply NULL for the last three parameters.  We also supply the
-    * the compiler header file version, so that we know if the application
-    * was compiled with a compatible version of the library.  REQUIRED
-    */
-    png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);
-
-    if (!png_ptr) {
-        return PNG_NOMEM;
-    }
-
-    /* Allocate/initialize the memory for image information.  REQUIRED. */
-    info_ptr = png_create_info_struct(png_ptr);
-    if (!info_ptr) {
-        png_destroy_read_struct(&png_ptr, png_infopp_NULL, png_infopp_NULL);
-        return PNG_NOMEM;
-    }
-
-    png_init_io(png_ptr, f);
-    png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, png_voidp_NULL);
-
-    status = CreateImage(png_ptr, info_ptr);
-
-    png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
-
-    fclose(f);
-    return status;
-}
-
-// +--------------------------------------------------------------------+
-
-struct PngIOStruct
-{
-    BYTE* fp;
-    BYTE* buffer;
-    DWORD length;
-};
-
-static void png_user_read_data(png_structp read_ptr, png_bytep data, png_size_t length)
-{
-    PngIOStruct* read_io_ptr = (PngIOStruct*) png_get_io_ptr(read_ptr);
-
-    if (!read_io_ptr)
-    return;
-
-    if (read_io_ptr->fp + length < read_io_ptr->buffer + read_io_ptr->length) {
-        memcpy(data, read_io_ptr->fp, length);
-        read_io_ptr->fp += length;
-    }
-}
-
-static void png_user_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
-{
-}
-
-static void png_user_flush_data(png_structp png_ptr)
-{
-}
-
-int PngImage::LoadBuffer(unsigned char* buf, int len)
-{
-    int status = PNG_INVALID;
-    PngIOStruct io;
-
-    if (buf == NULL)
-    return PNG_NOFILE;
-
-    if (png_sig_cmp(buf, (png_size_t)0, 8))
-    return PNG_INVALID;
-
-    io.buffer = buf;
-    io.fp     = buf;
-    io.length = len;
-
-    png_structp png_ptr;
-    png_infop   info_ptr;
-
-    /* Create and initialize the png_struct with the desired error handler
-    * functions.  If you want to use the default stderr and longjump method,
-    * you can supply NULL for the last three parameters.  We also supply the
-    * the compiler header file version, so that we know if the application
-    * was compiled with a compatible version of the library.  REQUIRED
-    */
-    png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);
-
-    if (!png_ptr) {
-        return PNG_NOMEM;
-    }
-
-    /* Allocate/initialize the memory for image information.  REQUIRED. */
-    info_ptr = png_create_info_struct(png_ptr);
-    if (!info_ptr) {
-        png_destroy_read_struct(&png_ptr, png_infopp_NULL, png_infopp_NULL);
-        return PNG_NOMEM;
-    }
-
-    png_set_read_fn(png_ptr, (void *) (&io), png_user_read_data);
-    png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, png_voidp_NULL);
-
-    status = CreateImage(png_ptr, info_ptr);
-
-    png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
-
-    return status;
-}
-
-// +--------------------------------------------------------------------+
-
-int
-PngImage::CreateImage(png_structp png_ptr, png_infop info_ptr)
-{
-    int status = PNG_INVALID;
-
-    width  = png_get_image_width(png_ptr, info_ptr);
-    height = png_get_image_height(png_ptr, info_ptr);
-    bpp    = png_get_bit_depth(png_ptr, info_ptr);
-
-    if (width > 0 && width < 32768 && height > 0 && height < 32768) {
-        // true-color:
-        if (bpp >= 24) {
-            status = PNG_OK;
-
-            if ( png_get_channels(png_ptr, info_ptr) == 4)
-            alpha_loaded = true;
-
-            image = new DWORD[width*height];
-            BYTE** rows = png_get_rows(png_ptr, info_ptr);
-
-            for (DWORD row = 0; row < height; row++) {
-                BYTE* p = rows[row];
-
-                for (DWORD col = 0; col < width; col++) {
-                    DWORD red   = *p++;
-                    DWORD green = *p++;
-                    DWORD blue  = *p++;
-                    DWORD alpha = 0xff;
-
-                    if ( png_get_channels(png_ptr, info_ptr) == 4)
-                    alpha = *p++;
-
-                    image[row*width+col] = (alpha << 24) | (red << 16) | (green << 8) | blue;
-                }
-            }
-        }
-
-        // paletted:
-        else if (bpp == 8) {
-            DWORD pal[256];
-
-            png_bytep trans_alpha; int num_trans; png_color_16p trans_color;
-            png_colorp palette;
-            int num_palette;
-
-            png_get_tRNS(png_ptr, info_ptr, &trans_alpha, &num_trans, &trans_color);
-            png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette);
-
-            if (num_trans > 0)
-            alpha_loaded = true;
-
-            for (int i = 0; i < 256; i++) {
-                if (i < num_palette) {
-                    DWORD red   = palette[i].red;
-                    DWORD green = palette[i].green;
-                    DWORD blue  = palette[i].blue;
-                    DWORD alpha = 0xff;
-
-                    if (i < num_trans)
-                    alpha = trans_alpha[i];
-
-                    pal[i] = (alpha << 24) | (red << 16) | (green << 8) | blue;
-                }
-
-                else {
-                    pal[i] = 0;
-                }
-            }
-
-            image = new DWORD[width*height];
-            BYTE** rows = png_get_rows(png_ptr, info_ptr);
-
-            for (DWORD row = 0; row < height; row++) {
-                BYTE* p = rows[row];
-
-                for (DWORD col = 0; col < width; col++) {
-                    BYTE index = *p++;
-                    image[row*width+col] = pal[index];
-                }
-            }
-        }
-    }
-
-    return status;
-}
\ No newline at end of file