Check before attempting to generate empty image

This causes a libpng warning then error, but print a better error message
Fixes #1016
This commit is contained in:
ISSOtm
2022-08-04 20:37:36 +02:00
parent 2e0991f32b
commit b02ccf8f4a
2 changed files with 4 additions and 1 deletions

View File

@@ -21,7 +21,7 @@
#include "gfx/rgba.hpp"
struct Options {
uint16_t reversedWidth = 0; // -r, in pixels
uint16_t reversedWidth = 0; // -r, in tiles
bool reverse() const { return reversedWidth != 0; }
bool useColorCurve = false; // -C