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Added blitScaled. Removed unused functions.

This commit is contained in:
Steve 2018-02-06 22:28:19 +00:00
parent eb3a39084a
commit a8ce1daf4e
1 changed files with 10 additions and 54 deletions
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64
src/system/draw.c
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@ -104,17 +104,6 @@ void blitRect(SDL_Texture *texture, int x, int y, SDL_Rect *srcRect, int center)
SDL_RenderCopy(app.renderer, texture, srcRect, &dstRect);
}
void blitFlip(SDL_Texture *texture, int x, int y, int center, SDL_RendererFlip flip)
{
SDL_Rect dstRect;
dstRect.x = x;
dstRect.y = y;
SDL_QueryTexture(texture, NULL, NULL, &dstRect.w, &dstRect.h);
SDL_RenderCopyEx(app.renderer, texture, NULL, &dstRect, 0, NULL, flip);
}
void blitScaled(SDL_Texture *texture, int x, int y, int w, int h, int center)
{
SDL_Rect dstRect;
@ -133,17 +122,22 @@ void blitScaled(SDL_Texture *texture, int x, int y, int w, int h, int center)
SDL_RenderCopy(app.renderer, texture, NULL, &dstRect);
}
void blitRotated(SDL_Texture *texture, int x, int y, float angle)
void blitRectScaled(SDL_Texture *texture, int x, int y, int w, int h, SDL_Rect *srcRect, int center)
{
SDL_Rect dstRect;
dstRect.x = x;
dstRect.y = y;
SDL_QueryTexture(texture, NULL, NULL, &dstRect.w, &dstRect.h);
dstRect.x -= (dstRect.w / 2);
dstRect.y -= (dstRect.h / 2);
dstRect.w = w;
dstRect.h = h;
SDL_RenderCopyEx(app.renderer, texture, NULL, &dstRect, angle, NULL, SDL_FLIP_NONE);
if (center)
{
dstRect.x -= (dstRect.w / 2);
dstRect.y -= (dstRect.h / 2);
}
SDL_RenderCopy(app.renderer, texture, srcRect, &dstRect);
}
void drawLine(int x1, int y1, int x2, int y2, int r, int g, int b, int a)
@ -152,44 +146,6 @@ void drawLine(int x1, int y1, int x2, int y2, int r, int g, int b, int a)
SDL_RenderDrawLine(app.renderer, x1, y1, x2, y2);
}
void drawCircle(int cx, int cy, int radius, int r, int g, int b, int a)
{
int x = radius;
int y = 0;
int radiusError = 1 - x;
SDL_Point p[8];
SDL_SetRenderDrawColor(app.renderer, r, g, b, a);
SDL_SetRenderDrawBlendMode(app.renderer, SDL_BLENDMODE_BLEND);
while (x >= y)
{
p[0].x = x + cx; p[0].y = y + cy;
p[1].x = y + cx; p[1].y = x + cy;
p[2].x = -x + cx; p[2].y = y + cy;
p[3].x = -y + cx; p[3].y = x + cy;
p[4].x = -x + cx; p[4].y = -y + cy;
p[5].x = -y + cx; p[5].y = -x + cy;
p[6].x = x + cx; p[6].y = -y + cy;
p[7].x = y + cx; p[7].y = -x + cy;
SDL_RenderDrawPoints(app.renderer, p, 8);
y++;
if (radiusError < 0)
{
radiusError += 2 * y + 1;
}
else
{
x--;
radiusError += 2 * (y - x) + 1;
}
}
SDL_SetRenderDrawBlendMode(app.renderer, SDL_BLENDMODE_NONE);
}
void drawRect(int x, int y, int w, int h, int r, int g, int b, int a)
{
SDL_Rect rect;