freetype2/tests/web_interface/bitmap.h

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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ft2build.h>
#include "murmur3.h" // MurmurHash3_x64_128 header file
#include <png.h>
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#include <dlfcn.h>
#include <math.h>
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#include FT_FREETYPE_H
#include FT_MODULE_H
#include FT_LCD_FILTER_H
#include FT_BITMAP_H
#define BITS_PER_PIXEL_RGBA 32
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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typedef struct { // To store 32bit Hash
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FT_UInt32 hash;
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}HASH_32;
typedef struct { // To store 128bit Hash
FT_UInt32 hash[4];
}HASH_128;
typedef struct {
unsigned char red;
unsigned char green;
unsigned char blue;
unsigned char alpha;
} PIXEL;
typedef struct {
unsigned char red;
unsigned char green;
unsigned char blue;
unsigned char alpha;
} PIXEL_BGRA;
/* A picture. */
typedef struct {
PIXEL *pixels;
size_t width;
size_t height;
} IMAGE;
//------------------------------------------------------------------------------
HASH_32 * Generate_Hash_x86_32(FT_Bitmap * bitmap, HASH_32 * murmur);
HASH_128 * Generate_Hash_x86_128(FT_Bitmap * bitmap, HASH_128 * murmur);
HASH_128 * Generate_Hash_x64_128(FT_Bitmap * bitmap, HASH_128 * murmur);
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int Compare_Hash(HASH_128* hash_b, HASH_128* hash_t);
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//------------------------------------------------------------------------------
PIXEL * Pixel_At (IMAGE * bitmap, int x, int y); // Returns a pointer to pixel
// at (x,y) co-ordinate
// buffer to image
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void Make_PNG (FT_Bitmap* bitmap,IMAGE* fruit, int i,int render_mode);
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// Image to file
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int Generate_PNG (IMAGE *bitmap, const char *path,int render_mode);
// Read PNG
void Read_PNG(char *filename, IMAGE * after_effect);
// Add an effect using two PNG images
// Base Glyph = Gray {127,0,0,255} OR as it is
// Differences = Red {255,0,0,255}
// Effect_ID = {1 or 2}
int Add_effect(IMAGE* base, IMAGE* test, IMAGE* out, int Effect_ID);
// Stitch 2 PNG files
void Stitch(IMAGE* left, IMAGE* right, IMAGE* result);
// Make the Height of both the PNG(s) same by filling with white pixels
void Print_Row( FILE* fp, int index, char* name, int diff,
HASH_128* hash_b, HASH_128* hash_t);
// Finding the first non-empty (non-white) column
int First_Column(IMAGE* input);
// Finding the first non-empty (non-white) row
int First_Row(IMAGE* input);
// Appening white columns with image alignment
IMAGE* Append_Columns(IMAGE* small, IMAGE* big);
// Appening white columns with image alignment
IMAGE* Append_Rows(IMAGE* small, IMAGE* big);