From c494123996d026223362ec5d28e23693ce981981 Mon Sep 17 00:00:00 2001
From: rsn8887
Date: Sat, 30 Dec 2017 15:17:38 -0600
Subject: PSP: Fix loading of 4-bit PNG images

This fixes the loading of vkbd images from kbd subfolder:

kbd/keys_s_c4.png
kbd/keys_s4.png
kbd/nums_s4.png
kbd/keys_c4.png
kbd/syms_s4.png
kbd/keys4.png
kbd/nums4.png
kbd/syms4.png
---
 backends/platform/psp/png_loader.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backends/platform/psp/png_loader.cpp b/backends/platform/psp/png_loader.cpp
index 277546a413..91187ae4d8 100644
--- a/backends/platform/psp/png_loader.cpp
+++ b/backends/platform/psp/png_loader.cpp
@@ -44,7 +44,7 @@ PngLoader::Status PngLoader::allocate() {
 
 	_buffer->setSize(_width, _height, _sizeBy);
 
-	uint32 bitsPerPixel = _bitDepth * _channels;
+	uint32 bitsPerPixel = _bitDepth;
 
 	if (_paletteSize) {	// 8 or 4-bit image
 		if (bitsPerPixel == 4) {
@@ -87,7 +87,7 @@ bool PngLoader::load() {
 
 	PSP_DEBUG_PRINT("succeded in loading image\n");
 
-	if (_paletteSize == 16)		// 4-bit
+	if (_bitDepth == 4)		// 4-bit
 		_buffer->flipNibbles();	// required because of PNG 4-bit format
 	return true;
 }
-- 
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