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Bound the 'List (Array)' text to its x-axis and added code to prevent it from leaving its bounding box. Testing drawing elements in a list.

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glm94
2022-11-01 23:12:10 -05:00
parent 10e606e2b6
commit 3dfe60fcc6
3 changed files with 46 additions and 6 deletions
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includes/list.h
+1 -1
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@@ -18,6 +18,6 @@ typedef struct {
List* CreateList(SDL_FRect boundingBox);
void AddStringToList(char* text, List* list);
void RenderList(SDL_Renderer* renderer, SDL_FPoint motion, TTF_Font* font, unsigned short fontSize, List* list);
void RenderList(SDL_Renderer* renderer, SDL_Point motion, TTF_Font* font, unsigned short fontSize, List* list);
#endif
src/list.c
+42 -3
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@@ -36,9 +36,12 @@ void AddStringToList(char* text, List* list) {
list->Size++;
}
void RenderList(SDL_Renderer* renderer, SDL_FPoint motion, TTF_Font* font, unsigned short fontSize, List* list) {
void RenderList(SDL_Renderer* renderer, SDL_Point motion, TTF_Font* font, unsigned short fontSize, 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;
@@ -55,9 +58,45 @@ void RenderList(SDL_Renderer* renderer, SDL_FPoint motion, TTF_Font* font, unsig
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;
textArea.y = contentsBox.h * ( i + 1 );
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);
}
SDL_FRect size;
size.x = list->BoundingBox.x;
size.y = list->BoundingBox.y;
float y = list->BoundingBox.y + motion.y - details->TextSize.h;
if (y < list->BoundingBox.y) y = 0;
else if (y > list->BoundingBox.h) y = list->BoundingBox.h - details->TextSize.h;
size.x = contentsBox.x;
size.y = y;
size.h = details->TextSize.h;
size.w = details->TextSize.w;
src/main.c
+3 -2
View File
@@ -119,9 +119,10 @@ int main(int argc, char** argv){
SDL_FreeSurface(surface);
SDL_FRect boundingBox = {650, 700, 300, 90};
SDL_FRect boundingBox = {SCREEN_WIDTH * 0.25, 0, SCREEN_WIDTH * 0.50, SCREEN_HEIGHT};
List* list = CreateList(boundingBox);
AddStringToList("Hello World!", list);
// Uint64 start = 0;
// Uint64 end = 0;
@@ -166,7 +167,7 @@ int main(int argc, char** argv){
SDL_RenderCopyF(app.renderer, texture, NULL, &(SDL_FRect){rect2.x + XRel, rect2.y + YRel, textSize.w * ZoomLevel, textSize.h * ZoomLevel});
RenderList(app.renderer, (SDL_FPoint) {0,0}, GetFont(app.DefaultFontSize * ZoomLevel, app.FontCache), app.DefaultFontSize * ZoomLevel, list);
RenderList(app.renderer, (SDL_Point) {XRel,YRel}, GetFont(app.DefaultFontSize * ZoomLevel, app.FontCache), app.DefaultFontSize * ZoomLevel, list);
SDL_RenderPresent(app.renderer);