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freetype2
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Adding code to stitch 2 PNG files

This commit is contained in:
Kushal K S V S 2017-07-12 01:33:31 +05:30
parent 417f5e3c59
commit fd3ff32ecc
2 changed files with 43 additions and 5 deletions
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46
tests/make_png/bitmap.c
View File

@ -281,7 +281,7 @@ void Make_PNG(FT_Bitmap* bitmap,char* name,int i,int render_mode){
free (fruit.pixels);
}
void Read_PNG(char *filename, IMAGE * after_effect) {
void Read_PNG(char *filename, IMAGE * bitmap) {
int width, height;
png_bytep *row_pointers;
@ -305,8 +305,8 @@ void Read_PNG(char *filename, IMAGE * after_effect) {
width = png_get_image_width(png, info);
height = png_get_image_height(png, info);
after_effect->width = width;
after_effect->height = height;
bitmap->width = width;
bitmap->height = height;
row_pointers = (png_bytep*)malloc(sizeof(png_bytep) * height);
for(int y = 0; y < height; y++) {
@ -315,7 +315,7 @@ void Read_PNG(char *filename, IMAGE * after_effect) {
png_read_image(png, row_pointers);
after_effect->pixels = (PIXEL*)malloc(width * height * sizeof(PIXEL));
bitmap->pixels = (PIXEL*)malloc(width * height * sizeof(PIXEL));
for(int y = 0; y < height; y++) {
@ -325,7 +325,7 @@ void Read_PNG(char *filename, IMAGE * after_effect) {
png_bytep px = &(row[x * 4]);
PIXEL * pixel = Pixel_At ( after_effect, x, y);
PIXEL * pixel = Pixel_At ( bitmap, x, y);
pixel->red = px[0];
pixel->green = px[1];
@ -379,3 +379,39 @@ void Add_effect_1(IMAGE* base, IMAGE* test, IMAGE* out){
}
}
}
void Stitch(IMAGE* left, IMAGE* right, IMAGE* result){
result->width = left->width + right->width;
result->height = left->height; // Horizontal clipping
result->pixels = (PIXEL*)malloc(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;
}
}
}

2
tests/make_png/bitmap.h
View File

@ -70,3 +70,5 @@ void Read_PNG(char *filename, IMAGE * after_effect);
// Base Glyph = Gray {127,0,0,255}
// Differences = Red {255,0,0,255}
void Add_effect_1(IMAGE* base, IMAGE* test, IMAGE* out);
// Stitch two PNG files side by side
void Stitch(IMAGE* left, IMAGE* right, IMAGE* result);