sdlconsole: test fix for glyph building

Author: dhthwy

library/Console-sdl-impl.cpp

@@ -25,6 +25,7 @@
 #include <set>
 //#include <cuchar>
 
+#include "SDL_pixels.h"
 #include "modules/DFSDL.h"
 #include "SDL_console.h"
 
@@ -1390,18 +1391,17 @@ class BMPFontLoader : public FontLoader {
             return nullptr;
         }
 
-        //sdl_console::SDL_ConvertSurfaceFormat(surface, SDL_PIXELFORMAT_RGBA32, 0);
         //  FIXME: hardcoded magenta
         Uint32 bg_color = sdl_console::SDL_MapRGB(surface->format, 255, 0, 255);
         sdl_console::SDL_SetColorKey(surface, SDL_TRUE, bg_color);
 
-        std::vector<Glyph> glyphs;
-        // FIXME: magic numbers
-        glyphs = build_glyph_rects(surface->pitch, surface->h, 16, 16);
-
         int width = surface->pitch;
         int height = surface->h;
 
+        std::vector<Glyph> glyphs;
+        // FIXME: magic numbers
+        glyphs = build_glyph_rects(surface->format->BytesPerPixel, width, height, 16, 16);
+
         SDL_Surface* conv_surface = sdl_console::SDL_CreateRGBSurface(0, surface->pitch, surface->h, 32,
                                                                       0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF);
         if (!conv_surface)
@@ -1435,7 +1435,7 @@ class BMPFontLoader : public FontLoader {
     BMPFontLoader& operator=(BMPFontLoader&& other) noexcept = default;
 
 private:
-    std::vector<Glyph> build_glyph_rects(int sheet_w, int sheet_h, int columns, int rows)
+    std::vector<Glyph> build_glyph_rects(int bytes_per_pixel, int sheet_w, int sheet_h, int columns, int rows)
     {
         int tile_w = sheet_w / columns;
         int tile_h = sheet_h / rows;
@@ -1447,7 +1447,8 @@ class BMPFontLoader : public FontLoader {
             int r = i / rows;
             int c = i % columns;
             Glyph glyph;
-            glyph.rect = { tile_w * c, tile_h * r, tile_w, tile_h };
+            //glyph.rect = { tile_w * c, tile_h * r, tile_w, tile_h };
+            glyph.rect = { tile_w * c * bytes_per_pixel, tile_h * r, tile_w * bytes_per_pixel, tile_h };
             glyphs.push_back(glyph);
         }
         return glyphs;