89 lines
3.4 KiB
C
89 lines
3.4 KiB
C
#include "common.h"
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#include "SDL_helper.h"
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void SDL_ClearScreen(SDL_Renderer *renderer, SDL_Color colour) {
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SDL_SetRenderDrawColor(renderer, colour.r, colour.g, colour.b, colour.a);
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SDL_RenderClear(renderer);
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}
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void SDL_DrawRect(SDL_Renderer *renderer, int x, int y, int w, int h, SDL_Color colour) {
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SDL_Rect rect;
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rect.x = x; rect.y = y; rect.w = w; rect.h = h;
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SDL_SetRenderDrawColor(RENDERER, colour.r, colour.g, colour.b, colour.a);
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SDL_RenderFillRect(RENDERER, &rect);
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}
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void SDL_DrawCircle(SDL_Renderer *renderer, int x, int y, int r, SDL_Color colour) {
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filledCircleRGBA(renderer, x, y, r, colour.r, colour.g, colour.b, colour.a);
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return;
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}
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void SDL_DrawText(SDL_Renderer *renderer, TTF_Font *font, int x, int y, SDL_Color colour, const char *text) {
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SDL_Surface *surface = TTF_RenderText_Blended_Wrapped(font, text, colour, 1280);
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SDL_SetSurfaceAlphaMod(surface, colour.a);
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SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);
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SDL_FreeSurface(surface);
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SDL_Rect position;
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position.x = x; position.y = y;
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SDL_QueryTexture(texture, NULL, NULL, &position.w, &position.h);
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SDL_RenderCopy(renderer, texture, NULL, &position);
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SDL_DestroyTexture(texture);
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}
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void SDL_DrawRotatedText(SDL_Renderer *renderer, TTF_Font *font, double rotation, int x, int y, SDL_Color colour, const char *text) {
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SDL_Surface *surface = TTF_RenderText_Blended_Wrapped(font, text, colour, 1280);
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SDL_SetSurfaceAlphaMod(surface, colour.a);
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SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);
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SDL_FreeSurface(surface);
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SDL_Rect position;
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position.x = x; position.y = y;
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SDL_QueryTexture(texture, NULL, NULL, &position.w, &position.h);
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SDL_Point center = {position.w / 2, position.h / 2};
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SDL_Rect crop = {0, 0, &position.w, &position.h}; // the crop is what part of the image we want to display.
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SDL_SetRenderTarget(renderer, texture);
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//SDL_RenderCopyEx(RENDERER, texture, &crop, &position, rotation, ¢er, SDL_FLIP_NONE);
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SDL_RenderCopyEx(RENDERER, texture, NULL, &position, rotation, NULL, SDL_FLIP_NONE);
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SDL_SetRenderTarget(renderer, NULL);
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/*SDL_QueryTexture(texture, NULL, NULL, &position.w, &position.h);
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SDL_RenderCopy(renderer, texture, NULL, &position);*/
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SDL_DestroyTexture(texture);
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}
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void SDL_DrawTextf(SDL_Renderer *renderer, TTF_Font *font, int x, int y, SDL_Color colour, const char* text, ...) {
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char buffer[256];
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va_list args;
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va_start(args, text);
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vsnprintf(buffer, 256, text, args);
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SDL_DrawText(renderer, font, x, y, colour, buffer);
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va_end(args);
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}
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void SDL_LoadImage(SDL_Renderer *renderer, SDL_Texture **texture, char *path) {
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SDL_Surface *imageSurface = IMG_Load(path);
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if (imageSurface) {
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Uint32 colorkey = SDL_MapRGB(imageSurface->format, 0, 0, 0);
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SDL_SetColorKey(imageSurface, SDL_TRUE, colorkey);
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*texture = SDL_CreateTextureFromSurface(renderer, imageSurface);
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} else {
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printf("Failed to load image: %s", path);
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}
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SDL_FreeSurface(imageSurface);
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}
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void SDL_DrawImage(SDL_Renderer *renderer, SDL_Texture *texture, int x, int y) {
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SDL_Rect position;
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position.x = x; position.y = y;
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SDL_QueryTexture(texture, NULL, NULL, &position.w, &position.h);
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SDL_RenderCopy(renderer, texture, NULL, &position);
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}
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void SDL_DrawImageScale(SDL_Renderer *renderer, SDL_Texture *texture, int x, int y, int w, int h) {
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SDL_Rect position;
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position.x = x; position.y = y; position.w = w; position.h = h;
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SDL_RenderCopy(renderer, texture, NULL, &position);
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} |