JailDoctor/chirping
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draw functions ready

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JailDoctor
2021-09-03 14:04:19 +02:00
parent 2cc9188053
commit e55e4c64dd
3 changed files with 68 additions and 56 deletions
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57
draw.cpp
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@@ -28,7 +28,11 @@ void draw_init() {
sdlWindow = SDL_CreateWindow("Chirping", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_SHOWN);
sdlRenderer = SDL_CreateRenderer(sdlWindow, -1, 0);
SDL_RenderSetLogicalSize(sdlRenderer, 320, 240);
sdlTexture = SDL_CreateTextureFromSurface(sdlRenderer, SDL_LoadBMP("font.bmp"));
SDL_Surface *sdlSurface = SDL_LoadBMP("font.bmp");
//sdlSurface->pixels[0] = 1;
sdlSurface->format->palette->colors[0].a = 0;
sdlTexture = SDL_CreateTextureFromSurface(sdlRenderer, sdlSurface);
SDL_SetTextureBlendMode(sdlTexture, SDL_BLENDMODE_BLEND);
}
void draw_quit() {
@@ -37,8 +41,8 @@ void draw_quit() {
SDL_DestroyWindow(sdlWindow);
}
void draw_clear() {
SDL_SetRenderDrawColor(sdlRenderer, 0, 0, 0, 255);
void draw_clear(const uint8_t color) {
SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
SDL_RenderClear(sdlRenderer);
}
@@ -46,46 +50,57 @@ void draw_present() {
SDL_RenderPresent(sdlRenderer);
}
void draw_fill(const int x1, const int y1, const int x2, const int y2, const uint8_t color) {
void draw_fill(const int x, const int y, const int w, const int h, const uint8_t color) {
SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
SDL_Rect rect {x1, y1, x2, y2};
SDL_Rect rect {x, y, w, h};
SDL_RenderFillRect(sdlRenderer, &rect);
}
void draw_rect(const int x1, const int y1, const int x2, const int y2, const uint8_t color) {
void draw_rect(const int x, const int y, const int w, const int h, const uint8_t color) {
SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
SDL_Rect rect {x1, y1, x2, y2};
SDL_Rect rect {x, y, w, h};
SDL_RenderDrawRect(sdlRenderer, &rect);
}
void draw_inset(const int x1, const int y1, const int x2, const int y2, const uint8_t color1, const uint8_t color2) {
void draw_inset(const int x, const int y, const int w, const int h, const uint8_t color1, const uint8_t color2) {
SDL_SetRenderDrawColor(sdlRenderer, pal[color1][0], pal[color1][1], pal[color1][2], 255);
SDL_RenderDrawLine(sdlRenderer, x+1, y+h-1, x+w-1, y+h-1);
SDL_RenderDrawLine(sdlRenderer, x+w-1, y+1, x+w-1, y+h-1);
SDL_SetRenderDrawColor(sdlRenderer, pal[color2][0], pal[color2][1], pal[color2][2], 255);
SDL_RenderDrawLine(sdlRenderer, x, y, x, y+h-2);
SDL_RenderDrawLine(sdlRenderer, x, y, x+w-2, y);
}
void draw_outset(const int x1, const int y1, const int x2, const int y2, const uint8_t color1, const uint8_t color2) {
void draw_outset(const int x, const int y, const int w, const int h, const uint8_t color1, const uint8_t color2) {
SDL_SetRenderDrawColor(sdlRenderer, pal[color1][0], pal[color1][1], pal[color1][2], 255);
SDL_RenderDrawLine(sdlRenderer, x, y, x, y+h-2);
SDL_RenderDrawLine(sdlRenderer, x, y, x+w-2, y);
SDL_SetRenderDrawColor(sdlRenderer, pal[color2][0], pal[color2][1], pal[color2][2], 255);
SDL_RenderDrawLine(sdlRenderer, x+1, y+h-1, x+w-1, y+h-1);
SDL_RenderDrawLine(sdlRenderer, x+w-1, y+1, x+w-1, y+h-1);
}
void draw_line(const int x1, const int y1, const int x2, const int y2, const uint8_t color) {
SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
SDL_Rect rect {x1, y1, x2, y2};
SDL_RenderFillRect(sdlRenderer, &rect);
SDL_RenderDrawLine(sdlRenderer, x1, y1, x2, y2);
}
void draw_dotted(const int x1, const int y1, const int x2, const int y2, const uint8_t color) {
void draw_dotted(const int x1, const int y, const int x2, const uint8_t color) {
SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
for (int x=x1; x<=x2;x+=2) SDL_RenderDrawPoint(sdlRenderer, x, y);
}
void draw_char(const char chr, const int x, const int y, const uint8_t color) {
SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
SDL_SetTextureColorMod(sdlTexture, pal[color][0], pal[color][1], pal[color][2]);
SDL_Rect src {((chr-32)%16)*4, ((chr-32)/16)*5, 4, 5};
SDL_Rect dst {x, y, 4, 5};
SDL_RenderCopy(sdlRenderer, sdlTexture, &src, &dst);
}
void draw_string(const char* str, const int x, const int y, const uint8_t color) {
SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
void draw_string(const char* str, int x, const int y, const uint8_t color) {
const int l = strlen(str);
for (int i = 0; i < l; ++i) {
draw_char(str[i], x, y, color);
x += 5;
}
}