Add HiDPI support and lots of cleanup.

1 files changed, 0 insertions, 91 deletions

diff --git a/src/background.c b/src/background.c
deleted file mode 100644
index 68beb5e..0000000
--- a/src/background.c
+++ /dev/null
@@ -1,91 +0,0 @@
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <png.h>
-#include "client.h"
-#include "log.h"
-#include "background.h"
-
-#define HEADER_BYTES 8
-
-void load_background(struct client_state *state, const char *filename)
-{
-	FILE *fp = fopen(filename, "rb");
-	uint8_t header[HEADER_BYTES];
-	if (!fp) {
-		log_error("Couldn't open %s\n", filename);
-		return;
-	}
-	if (fread(header, 1, HEADER_BYTES, fp) != HEADER_BYTES) {
-		log_error("Failed to read camera data: %s\n", filename);
-		fclose(fp);
-		return;
-	}
-	if (png_sig_cmp(header, 0, HEADER_BYTES)) {
-		log_error("Not a PNG file: %s\n", filename);
-		fclose(fp);
-		return;
-	}
-
-	png_structp png_ptr = png_create_read_struct(
-			PNG_LIBPNG_VER_STRING,
-			NULL, NULL, NULL);
-	if (!png_ptr) {
-		log_error("Couldn't create PNG read struct.\n");
-		fclose(fp);
-		return;
-	}
-
-	png_infop info_ptr = png_create_info_struct(png_ptr);
-	if (!info_ptr) {
-		png_destroy_read_struct(&png_ptr, NULL, NULL);
-		fclose(fp);
-		log_error("Couldn't create PNG info struct.\n");
-		return;
-	}
-
-	if (setjmp(png_jmpbuf(png_ptr)) != 0) {
-		png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
-		fclose(fp);
-		log_error("Couldn't setjmp for libpng.\n");
-		return;
-	}
-
-	png_init_io(png_ptr, fp);
-	png_set_sig_bytes(png_ptr, HEADER_BYTES);
-	png_read_info(png_ptr, info_ptr);
-
-	uint32_t width = png_get_image_width(png_ptr, info_ptr);
-	uint32_t height = png_get_image_height(png_ptr, info_ptr);
-	//uint8_t color_type = png_get_color_type(png_ptr, info_ptr);
-	//uint8_t bit_depth = png_get_bit_depth(png_ptr, info_ptr);
-
-	png_set_expand(png_ptr);
-	png_set_gray_to_rgb(png_ptr);
-	png_set_filler(png_ptr, 0xFFu, PNG_FILLER_AFTER);
-	
-	png_read_update_info(png_ptr, info_ptr);
-
-	uint32_t row_bytes = png_get_rowbytes(png_ptr, info_ptr);
-	/* Guard against integer overflow */
-	if (height > PNG_SIZE_MAX / row_bytes) {
-		png_error(png_ptr, "image_data buffer would be too large");
-	}
-
-	png_bytep buffer = malloc(height * row_bytes);
-	png_bytepp row_pointers = calloc(height, sizeof(png_bytep));
-	for (uint32_t y = 0; y < height; y++) {
-		row_pointers[y] = &buffer[y * row_bytes];
-	}
-
-	png_read_image(png_ptr, row_pointers);
-	png_read_end(png_ptr, NULL);
-
-	png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
-	free(row_pointers);
-	fclose(fp);
-
-	state->window.background_image.width = width;
-	state->window.background_image.height = height;
-	state->window.background_image.buffer = buffer;
-}