Updated the list rendering function to just blindly take textures from the cache and relying on a new function to handle generating new textures if needed.

includes/list.h

@@ -10,14 +10,15 @@
 typedef struct {
     unsigned int Capacity;
     unsigned int Size;
-    unsigned int MaxStringLength;
     char** Strings;
+    SDL_Rect MaxTestSize;
     SDL_FRect BoundingBox;
     TextureFontCache* TextureCache;
 } List;
 
 List* CreateList(SDL_FRect boundingBox);
 void AddStringToList(char* text, List* list);
-void RenderList(SDL_Renderer* renderer, SDL_Point motion, TTF_Font* font, unsigned short fontSize, List* list);
+void RenderList(SDL_Renderer* renderer, SDL_Point motion, List* list);
+void ListFontSizeHasChanged(SDL_Renderer* renderer, TTF_Font* font, List* list);
 
 #endif

includes/texture_font_cache.h

@@ -17,8 +17,8 @@ typedef struct {
 } TextureFontCache;
 
 TextureFontCache* CreateTextureFontCache();
-TextureDetails* AddTextureToCache(SDL_Texture* texture, unsigned short fontSize, SDL_Rect textSize, TextureFontCache* cache);
+TextureDetails* AddTextureToCache(SDL_Texture* texture, SDL_Rect textSize, TextureFontCache* cache);
-void UpdateTextureDetails(SDL_Texture* texture, unsigned short fontSize, SDL_Rect textSize, int index, TextureFontCache* cache);
+void UpdateTextureDetails(SDL_Texture* texture, SDL_Rect textSize, int index, TextureFontCache* cache);
 TextureDetails* GetTextureFromCache(TextureFontCache* cache, unsigned int index);
 void FreeTextureDetails(TextureDetails* details);
 

src/list.c

@@ -30,51 +30,61 @@ void AddStringToList(char* text, List* list) {
         list->Capacity *= 2;
     }
 
-    if (list->MaxStringLength < strlen(text)) list->MaxStringLength = strlen(text);
+    //if (list->MaxStringLength < strlen(text)) list->MaxStringLength = strlen(text);
 
     list->Strings[list->Size] = text;
     list->Size++;
 }
 
-void RenderList(SDL_Renderer* renderer, SDL_Point motion, TTF_Font* font, unsigned short fontSize, List* list) {
+void ListFontSizeHasChanged(SDL_Renderer* renderer, TTF_Font* font, List* list) {
+    TextureDetails* details = GetTextureFromCache(list->TextureCache, 0);
+
+    SDL_Rect textSize;
+
+    TTF_SizeUTF8(font, "List (Array)", &textSize.w, &textSize.h);
+    SDL_Surface* surface = TTF_RenderText_Shaded(font, "List (Array)", (SDL_Color){255, 255, 255, 0}, (SDL_Color){0, 0, 0, 0});
+
+    SDL_Texture* tex = SDL_CreateTextureFromSurface(renderer, surface);
+
+    SDL_FreeSurface(surface);
+
+    if (details) UpdateTextureDetails(tex, textSize, 0, list->TextureCache);
+    else details = AddTextureToCache(tex, textSize, list->TextureCache);
+
+    for (int i = 0; i < list->Size; i++) {
+        TextureDetails* details = GetTextureFromCache(list->TextureCache, i+1);
+        char* item = list->Strings[i];
+
+        SDL_Rect textSize;
+
+        TTF_SizeUTF8(font, item, &textSize.w, &textSize.h);
+        SDL_Surface* surface = TTF_RenderText_Shaded(font, item, (SDL_Color){255, 255, 255, 0}, (SDL_Color){0, 0, 0, 0});
+
+        SDL_Texture* tex = SDL_CreateTextureFromSurface(renderer, surface);
+
+        SDL_FreeSurface(surface);
+
+        if (details) UpdateTextureDetails(tex, textSize, i+1, list->TextureCache);
+        else details = AddTextureToCache(tex, textSize, list->TextureCache);
+    }
+}
+
+void RenderStructHeader(SDL_Renderer* renderer, TTF_Font* font, unsigned short fontSize, SDL_FRect* cursor, TextureFontCache* cache) {
+    TextureDetails* details = GetTextureFromCache(cache, 0);
+    
+
+}
+
+void RenderList(SDL_Renderer* renderer, SDL_Point motion, List* list) {
     //SDL_Surface* surface = TTF_RenderText_Blended_Wrapped(font, list->Strings[0], (SDL_Color){255, 255, 255, 0}, 90);
     TextureDetails* details = GetTextureFromCache(list->TextureCache, 0);
     SDL_FRect contentsBox = { .x = list->BoundingBox.x + list->BoundingBox.w * .125, .y = list->BoundingBox.y, .w = list->BoundingBox.w * 0.75, .h = list->BoundingBox.h * 0.15 };
 
     SDL_RenderDrawRectF(renderer, &list->BoundingBox);
 
-    if (!details || fontSize != details->FontSize) {
-        SDL_Rect textSize;
-        TTF_SizeUTF8(font, "List (Array)", &textSize.w, &textSize.h);
-        SDL_Surface* surface = TTF_RenderText_Shaded(font, "List (Array)", (SDL_Color){255, 255, 255, 0}, (SDL_Color){0, 0, 0, 0});
-        
-        //if (!details) FreeTextureDetails(details);
-
-        SDL_Texture* tex = SDL_CreateTextureFromSurface(renderer, surface);
-        
-        SDL_FreeSurface(surface);
-        
-        if (details) UpdateTextureDetails(tex, fontSize, textSize, 0, list->TextureCache);
-        else details = AddTextureToCache(tex, fontSize, textSize, list->TextureCache);
-    }
-
     for (int i = 0; i < list->Size; i++) {
         SDL_RenderDrawRectF(renderer, &contentsBox);        
         TextureDetails* details = GetTextureFromCache(list->TextureCache, i + 1);
-        char* item = list->Strings[i];
-
-        if (!details || fontSize != details->FontSize) {
-            SDL_Rect textSize;
-            TTF_SizeUTF8(font, item, &textSize.w, &textSize.h);
-            SDL_Surface* surface = TTF_RenderText_Shaded(font, item, (SDL_Color){255, 255, 255, 0}, (SDL_Color){0, 0, 0, 0});
-
-            SDL_Texture* tex = SDL_CreateTextureFromSurface(renderer, surface);
-            
-            SDL_FreeSurface(surface);
-            
-            if (details) UpdateTextureDetails(tex, fontSize, textSize, i+1, list->TextureCache);
-            else details = AddTextureToCache(tex, fontSize, textSize, list->TextureCache);
-        }
 
         SDL_FRect textArea;
         textArea.x = contentsBox.x + contentsBox.w * 0.50 - details->TextSize.w * 0.50;
@@ -82,9 +92,6 @@ void RenderList(SDL_Renderer* renderer, SDL_Point motion, TTF_Font* font, unsign
         textArea.w = details->TextSize.w;
         textArea.h = details->TextSize.h;
 
-        //contentsBox.x = xOrg + contentsBox.w - details->TextSize.w * 0.50;
-
-
         SDL_RenderCopyF(renderer, details->Texture, NULL, &textArea);
     }
 

src/main.c

@@ -124,6 +124,8 @@ int main(int argc, char** argv){
     List* list = CreateList(boundingBox);
     AddStringToList("Hello World!", list);
 
+    ListFontSizeHasChanged(app.renderer, GetFont(app.DefaultFontSize, app.FontCache), list);
+
     // Uint64 start = 0;
     // Uint64 end = 0;
     // float frameCount = 0;
@@ -163,11 +165,13 @@ int main(int argc, char** argv){
             texture = SDL_CreateTextureFromSurface(app.renderer, surface);
 
             SDL_FreeSurface(surface);
+
+            ListFontSizeHasChanged(app.renderer, GetFont(app.DefaultFontSize * ZoomLevel, app.FontCache), list);
         }
 
         SDL_RenderCopyF(app.renderer, texture, NULL, &(SDL_FRect){rect2.x + XRel, rect2.y + YRel, textSize.w * ZoomLevel, textSize.h * ZoomLevel});
 
-        RenderList(app.renderer, (SDL_Point) {XRel,YRel}, GetFont(app.DefaultFontSize * ZoomLevel, app.FontCache), app.DefaultFontSize * ZoomLevel, list);
+        RenderList(app.renderer, (SDL_Point) {XRel,YRel}, list);
 
         SDL_RenderPresent(app.renderer);
 

src/texture_font_cache.c

@@ -2,10 +2,9 @@
 #include <SDL2/SDL_render.h>
 #include <stdlib.h>
 
-TextureDetails* CreateTextureDetails(SDL_Texture* texture, unsigned short fontSize, SDL_Rect textSize) {
+TextureDetails* CreateTextureDetails(SDL_Texture* texture, SDL_Rect textSize) {
     TextureDetails* details = calloc(1, sizeof(TextureDetails));
 
-    details->FontSize = fontSize;
     details->Texture = texture;
     details->TextSize = textSize;
 
@@ -31,7 +30,7 @@ TextureDetails* GetTextureFromCache(TextureFontCache* cache, unsigned int index)
     return details;
 }
 
-TextureDetails* AddTextureToCache(SDL_Texture* texture, unsigned short fontSize, SDL_Rect textSize, TextureFontCache* cache) {
+TextureDetails* AddTextureToCache(SDL_Texture* texture, SDL_Rect textSize, TextureFontCache* cache) {
     if (cache->Size + 1 > cache->Capacity) {
         TextureDetails** newContent = realloc(cache->Textures, cache->Capacity * 2);
 
@@ -39,13 +38,13 @@ TextureDetails* AddTextureToCache(SDL_Texture* texture, unsigned short fontSize,
         cache->Capacity *= 2;
     }
 
-    cache->Textures[cache->Size] = CreateTextureDetails(texture, fontSize, textSize);
+    cache->Textures[cache->Size] = CreateTextureDetails(texture, textSize);
     cache->Size++;
 
     return cache->Textures[cache->Size - 1];
 }
 
-void UpdateTextureDetails(SDL_Texture* texture, unsigned short fontSize, SDL_Rect textSize, int index, TextureFontCache* cache) {
+void UpdateTextureDetails(SDL_Texture* texture, SDL_Rect textSize, int index, TextureFontCache* cache) {
     if (index >= cache->Size) return;
 
     TextureDetails* details = cache->Textures[index];
@@ -53,7 +52,6 @@ void UpdateTextureDetails(SDL_Texture* texture, unsigned short fontSize, SDL_Rec
     SDL_DestroyTexture(details->Texture);
 
     details->Texture = texture;
-    details->FontSize = fontSize;
     details->TextSize = textSize;
 }