Update to latest bitmap code

This commit is contained in:
Arvinder Bhathal 2017-07-28 09:27:06 -04:00
parent 2572b1bea7
commit d8dc158939
3 changed files with 397 additions and 43 deletions

View File

@ -34,7 +34,7 @@ HASH_32 * Generate_Hash_x86_32( FT_Bitmap * bitmap,
MurmurHash3_x86_32( bitmap->buffer,
(bitmap->pitch * bitmap->rows),
seed,
murmur->hash);
&murmur->hash);
return murmur;
}
@ -97,8 +97,8 @@ int Generate_PNG (IMAGE *bitmap,
for (y = 0; y < bitmap->height; y++) {
png_byte *row = png_malloc (png_ptr,
sizeof (uint8_t) * bitmap->width * pixel_size);
png_byte *row =
png_malloc(png_ptr, sizeof(uint8_t) * bitmap->width * pixel_size);
row_pointers[y] = row;
for (x = 0; x < bitmap->width; x++) {
@ -140,6 +140,8 @@ int Generate_PNG (IMAGE *bitmap,
}
png_free (png_ptr, row_pointers);
free (bitmap->pixels);
png_failure:
png_create_info_struct_failed:
png_destroy_write_struct (&png_ptr, &info_ptr);
@ -149,9 +151,8 @@ int Generate_PNG (IMAGE *bitmap,
return status;
}
void Make_PNG(FT_Bitmap* bitmap,char* name,int i,int render_mode){
void Make_PNG(FT_Bitmap* bitmap,IMAGE* fruit,int i,int render_mode){
IMAGE fruit;
int x;
int y;
@ -160,16 +161,16 @@ void Make_PNG(FT_Bitmap* bitmap,char* name,int i,int render_mode){
switch(render_mode){
case 0 : fruit.width = bitmap->width; // MONO and GRAY
fruit.height = bitmap->rows;
case 0 : fruit->width = bitmap->width; // MONO and GRAY
fruit->height = bitmap->rows;
fruit.pixels = calloc ( fruit.width * fruit.height,
fruit->pixels = calloc ( fruit->width * fruit->height,
sizeof (PIXEL));
for (y = 0; y < fruit.height; y++) {
for (x = 0; x < fruit.width; x++) {
for (y = 0; y < fruit->height; y++) {
for (x = 0; x < fruit->width; x++) {
PIXEL * pixel = Pixel_At (& fruit, x, y);
PIXEL * pixel = Pixel_At ( fruit, x, y);
p = (y * bitmap->pitch ) + x;
value = bitmap->buffer[p];
@ -187,16 +188,16 @@ void Make_PNG(FT_Bitmap* bitmap,char* name,int i,int render_mode){
}
}
break;
case 1 : fruit.width = bitmap->width; // MONO and GRAY
fruit.height = bitmap->rows;
case 1 : fruit->width = bitmap->width; // MONO and GRAY
fruit->height = bitmap->rows;
fruit.pixels = calloc ( fruit.width * fruit.height,
fruit->pixels = calloc ( fruit->width * fruit->height,
sizeof (PIXEL));
for (y = 0; y < fruit.height; y++) {
for (x = 0; x < fruit.width; x++) {
for (y = 0; y < fruit->height; y++) {
for (x = 0; x < fruit->width; x++) {
PIXEL * pixel = Pixel_At (& fruit, x, y);
PIXEL * pixel = Pixel_At ( fruit, x, y);
p = (y * bitmap->pitch ) + x;
value = bitmap->buffer[p];
@ -210,16 +211,16 @@ void Make_PNG(FT_Bitmap* bitmap,char* name,int i,int render_mode){
break;
case 2 :
case 3 : fruit.width = bitmap->width / 3; // LCD
fruit.height = bitmap->rows;
case 3 : fruit->width = bitmap->width / 3; // LCD
fruit->height = bitmap->rows;
fruit.pixels = calloc ( fruit.width * fruit.height,
fruit->pixels = calloc ( fruit->width * fruit->height,
sizeof (PIXEL));
for (y = 0; y < fruit.height; y++) {
for (x = 0; x < fruit.width; x++) {
for (y = 0; y < fruit->height; y++) {
for (x = 0; x < fruit->width; x++) {
PIXEL * pixel = Pixel_At (& fruit, x, y);
PIXEL * pixel = Pixel_At ( fruit, x, y);
p = (y * bitmap->pitch ) + (x)*3;
value = bitmap->buffer[p];
@ -239,16 +240,16 @@ void Make_PNG(FT_Bitmap* bitmap,char* name,int i,int render_mode){
break;
case 4 :
case 5 : fruit.width = bitmap->width; // LCD_V
fruit.height = bitmap->rows / 3;
case 5 : fruit->width = bitmap->width; // LCD_V
fruit->height = bitmap->rows / 3;
fruit.pixels = calloc ( fruit.width * fruit.height,
fruit->pixels = calloc ( fruit->width * fruit->height,
sizeof (PIXEL));
for (y = 0; y < fruit.height; y++) {
for (x = 0; x < fruit.width; x++) {
for (y = 0; y < fruit->height; y++) {
for (x = 0; x < fruit->width; x++) {
PIXEL * pixel = Pixel_At (& fruit, x, y);
PIXEL * pixel = Pixel_At ( fruit, x, y);
p = ((y*3) * bitmap->pitch ) + x;
value = bitmap->buffer[p];
@ -267,16 +268,348 @@ void Make_PNG(FT_Bitmap* bitmap,char* name,int i,int render_mode){
}
break;
default : fruit.width = bitmap->width;
fruit.height = bitmap->rows;
default : fruit->width = bitmap->width;
fruit->height = bitmap->rows;
break;
}
}
char * file_name = ( char * )calloc(150,sizeof(char));
void Read_PNG(char *filename, IMAGE * after_effect) {
sprintf(file_name, "%s_%d.png", name, i);
int width, height;
png_bytep *row_pointers;
Generate_PNG (& fruit, file_name, render_mode);
FILE *fp = fopen(filename, "rb");
free (fruit.pixels);
}
png_structp png = png_create_read_struct( PNG_LIBPNG_VER_STRING,
NULL,
NULL,
NULL);
if(!png) abort();
png_infop info = png_create_info_struct(png);
if(!info) abort();
if(setjmp(png_jmpbuf(png))) abort();
png_init_io(png, fp);
png_set_user_limits(png, 0x7fffffffL, 0x7fffffffL);
png_read_info(png, info);
width = png_get_image_width(png, info);
height = png_get_image_height(png, info);
after_effect->width = width;
after_effect->height = height;
row_pointers = (png_bytep*)malloc(sizeof(png_bytep) * height);
for(int y = 0; y < height; y++) {
row_pointers[y] = (png_byte*)malloc(png_get_rowbytes(png,info));
}
png_read_image(png, row_pointers);
after_effect->pixels =
(PIXEL*) malloc( width * height * sizeof(PIXEL));
for(int y = 0; y < height; y++) {
png_bytep row = row_pointers[y];
for(int x = 0; x < width; x++ ) {
png_bytep px = &(row[x * 4]);
PIXEL * pixel = Pixel_At ( after_effect, x, y);
pixel->red = px[0];
pixel->green = px[1];
pixel->blue = px[2];
pixel->alpha = px[3];
}
}
fclose(fp);
}
int Add_effect(IMAGE* base, IMAGE* test, IMAGE* out, int Effect_ID)
{
int pixel_diff = 0;
out->width = base->width;
out->height = base->height;
out->pixels =
(PIXEL*)malloc(base->width * base->height * sizeof(PIXEL));
for(int y = 0; y < base->height; y++) {
for(int x = 0; x < base->width; x++ ) {
PIXEL * pixel_base = Pixel_At ( base, x, y);
PIXEL * pixel_test = Pixel_At ( test, x, y);
PIXEL * pixel_out = Pixel_At ( out, x, y);
if (Effect_ID == 1)
{
if (pixel_base->red == 255 &&
pixel_base->green == 255 &&
pixel_base->blue == 255 &&
pixel_base->alpha == 255 )
{
pixel_out->red = 255;
pixel_out->green = 255;
pixel_out->blue = 255;
pixel_out->alpha = 255;
}else{
pixel_out->red = 127;
pixel_out->green = 127;
pixel_out->blue = 127;
pixel_out->alpha = 255;
}
}
if (pixel_base->red != pixel_test->red ||
pixel_base->green != pixel_test->green ||
pixel_base->blue != pixel_test->blue ||
pixel_base->alpha != pixel_test->alpha )
{
pixel_out->red = 255;
pixel_out->green = 0;
pixel_out->blue = 0;
pixel_out->alpha = 255;
pixel_diff++;
}else{
if (Effect_ID == 2)
{
pixel_out->red = pixel_base->red;
pixel_out->green = pixel_base->green;
pixel_out->blue = pixel_base->blue;
pixel_out->alpha = pixel_base->alpha;
}
}
}
}
return pixel_diff;
}
void Stitch(IMAGE* left, IMAGE* right, IMAGE* result){
result->width = left->width + right->width;
result->height = MAX(left->height, right->height);
result->pixels =
(PIXEL*)calloc(result->width * result->height, sizeof(PIXEL));
for (int y = 0; y < left->height; ++y)
{
for (int x = 0; x < left->width; ++x)
{
PIXEL * pixel_left = Pixel_At ( left, x, y);
PIXEL * pixel_result = Pixel_At ( result, x, y);
pixel_result->red = pixel_left->red;
pixel_result->green = pixel_left->green;
pixel_result->blue = pixel_left->blue;
pixel_result->alpha = pixel_left->alpha;
}
}
for (int y = 0; y < right->height; ++y)
{
for (int x = left->width; x < result->width; ++x)
{
PIXEL * pixel_right = Pixel_At ( right, x - left->width, y);
PIXEL * pixel_result = Pixel_At ( result, x, y);
pixel_result->red = pixel_right->red;
pixel_result->green = pixel_right->green;
pixel_result->blue = pixel_right->blue;
pixel_result->alpha = pixel_right->alpha;
}
}
}
int Compare_Hash(HASH_128* hash_b, HASH_128* hash_t){
if (hash_b->hash[0] != hash_t->hash[0] ||
hash_b->hash[1] != hash_t->hash[1] ||
hash_b->hash[2] != hash_t->hash[2] ||
hash_b->hash[3] != hash_t->hash[3] )
{
return 1;
}
return 0;
}
void Print_Row( FILE* fp, int index, char* name, int diff,
HASH_128* hash_b, HASH_128* hash_t){
fprintf(fp,
"<tr>\n\
<td>%04d</td>\n\
<td>%s</td>\n\
<td>%04d</td>\n\
<td id=\"hash\">%08x%08x%08x%08x<br>%08x%08x%08x%08x</td>\n\
<td><img id=\"sprite\" src=\"images/sprite_%04d.png\"></td>\n\
</tr>\n", index, name, diff,hash_b->hash[0],
hash_b->hash[1],
hash_b->hash[2],
hash_b->hash[3],
hash_t->hash[0],
hash_t->hash[1],
hash_t->hash[2],
hash_t->hash[3], index);
}
int First_Column(IMAGE* input){
for (int x = 0; x < input->width; ++x)
{
for (int y = 0; y < input->height; ++y)
{
PIXEL * pixel_result = Pixel_At ( input, x, y);
if ( pixel_result->red == 255 &&
pixel_result->green == 255 &&
pixel_result->blue == 255 &&
pixel_result->alpha == 255 )
{
continue;
}else{
return x;
}
}
}
return input->width;
}
int First_Row(IMAGE* input){
for (int y = 0; y < input->height; ++y)
{
for (int x = 0; x < input->width; ++x)
{
PIXEL * pixel_result = Pixel_At ( input, x, y);
if ( pixel_result->red == 255 &&
pixel_result->green == 255 &&
pixel_result->blue == 255 &&
pixel_result->alpha == 255 )
{
continue;
}else{
return y;
}
}
}
return input->height;
}
IMAGE* Append_Columns(IMAGE* small, IMAGE* big){
IMAGE* result = (IMAGE*)malloc(sizeof(IMAGE));
result->height = small->height;
result->width = big->width;
result->pixels =
(PIXEL*) malloc(result->width * result->height * sizeof(PIXEL));
int first_col = First_Column(big);
for (int x = 0; x < first_col; ++x)
{
for (int y = 0; y < result->height; ++y)
{
PIXEL * pixel_result = Pixel_At ( result, x, y);
pixel_result->red = 255;
pixel_result->green = 255;
pixel_result->blue = 255;
pixel_result->alpha = 255;
}
}
for (int y = 0; y < result->height; ++y)
{
for (int x = first_col; x < first_col + small->width; ++x)
{
PIXEL * pixel_small = Pixel_At ( small, (x - first_col), y);
PIXEL * pixel_result = Pixel_At ( result, x, y);
pixel_result->red = pixel_small->red;
pixel_result->green = pixel_small->green;
pixel_result->blue = pixel_small->blue;
pixel_result->alpha = pixel_small->alpha;
}
}
for (int x = first_col + small->width; x < result->width; ++x)
{
for (int y = 0; y < result->height; ++y)
{
PIXEL * pixel_result = Pixel_At ( result, x, y);
pixel_result->red = 255;
pixel_result->green = 255;
pixel_result->blue = 255;
pixel_result->alpha = 255;
}
}
return result;
}
IMAGE* Append_Rows(IMAGE* small, IMAGE* big){
IMAGE* result = (IMAGE*)malloc(sizeof(IMAGE));
result->height = big->height;
result->width = small->width;
result->pixels =
(PIXEL*) malloc(result->width * result->height * sizeof(PIXEL));
int first_row = First_Row(big);
for (int y = 0; y < first_row; ++y)
{
for (int x = 0; x < result->width; ++x)
{
PIXEL * pixel_result = Pixel_At ( result, x, y);
pixel_result->red = 255;
pixel_result->green = 255;
pixel_result->blue = 255;
pixel_result->alpha = 255;
}
}
for (int y = first_row; y < first_row + small->height; ++y)
{
for (int x = 0; x < result->width; ++x)
{
PIXEL * pixel_small = Pixel_At ( small, x, y - first_row);
PIXEL * pixel_result = Pixel_At ( result, x, y);
pixel_result->red = pixel_small->red;
pixel_result->green = pixel_small->green;
pixel_result->blue = pixel_small->blue;
pixel_result->alpha = pixel_small->alpha;
}
}
for (int y = first_row + small->height; y < result->height; ++y)
{
for (int x = 0; x < result->width; ++x)
{
PIXEL * pixel_result = Pixel_At ( result, x, y);
pixel_result->red = 255;
pixel_result->green = 255;
pixel_result->blue = 255;
pixel_result->alpha = 255;
}
}
return result;
}

View File

@ -11,7 +11,8 @@
#include "murmur3.h" // MurmurHash3_x64_128 header file
#include <png.h>
#include <dlfcn.h>
#include <math.h>
#include FT_FREETYPE_H
#include FT_MODULE_H
@ -19,9 +20,10 @@
#include FT_BITMAP_H
#define BITS_PER_PIXEL_RGBA 32
#define MAX(a, b) ((a) > (b) ? (a) : (b))
typedef struct { // To store 32bit Hash
FT_UInt32 hash[1];
FT_UInt32 hash;
}HASH_32;
typedef struct { // To store 128bit Hash
@ -56,12 +58,33 @@ 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);
int Compare_Hash(HASH_128* hash_b, HASH_128* hash_t);
//------------------------------------------------------------------------------
PIXEL * Pixel_At (IMAGE * bitmap, int x, int y); // Returns a pointer to pixel
// at (x,y) co-ordinate
// buffer to image
void Make_PNG(FT_Bitmap* bitmap,char* name,int i,int render_mode);
void Make_PNG (FT_Bitmap* bitmap,IMAGE* fruit, int i,int render_mode);
// Image to file
int Generate_PNG (IMAGE *bitmap, const char *path,int render_mode);
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);

View File

@ -1,6 +1,4 @@
#include "bitmap.h"
#include <dlfcn.h>
#include <math.h>
struct entry
{