pandory500/SDL-mirror
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Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.

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Renamed SDL_RenderPoint() and SDL_RenderLine() to SDL_RenderDrawPoint() and SDL_RenderDrawLine().
Added API for rectangle drawing (as opposed to filling)
Added placeholder API functions for circles and ellipses ... I'm not sure whether these will stay.
Optimized software line drawing quite a bit.
Added support for Wu's anti-aliased line drawing, currently disabled by default.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404346
This commit is contained in:
Sam Lantinga 2009-12-23 01:55:00 +00:00
parent d45158ea85
commit 6da163ab81
24 changed files with 1685 additions and 549 deletions
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24
test/testintersections.c
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@ -59,7 +59,7 @@ DrawPoints(SDL_WindowID window)
x = rand() % window_w;
y = rand() % window_h;
SDL_RenderPoint(x, y);
SDL_RenderDrawPoint(x, y);
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
@ -100,12 +100,12 @@ DrawLines(SDL_WindowID window)
SDL_SetRenderDrawColor(255, 255, 255, 255);
if (i == -1) {
SDL_RenderLine(0, 0, window_w - 1, window_h - 1);
SDL_RenderLine(0, window_h - 1, window_w - 1, 0);
SDL_RenderLine(0, window_h / 2, window_w - 1, window_h / 2);
SDL_RenderLine(window_w / 2, 0, window_w / 2, window_h - 1);
SDL_RenderDrawLine(0, 0, window_w - 1, window_h - 1);
SDL_RenderDrawLine(0, window_h - 1, window_w - 1, 0);
SDL_RenderDrawLine(0, window_h / 2, window_w - 1, window_h / 2);
SDL_RenderDrawLine(window_w / 2, 0, window_w / 2, window_h - 1);
} else {
SDL_RenderLine(lines[i].x, lines[i].y, lines[i].w, lines[i].h);
SDL_RenderDrawLine(lines[i].x, lines[i].y, lines[i].w, lines[i].h);
}
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
@ -150,7 +150,7 @@ DrawRects(SDL_WindowID window)
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
for (i = 0; i < num_rects; ++i) {
SDL_SetRenderDrawColor(255, 127, 0, 255);
SDL_RenderRect(&rects[i]);
SDL_RenderFillRect(&rects[i]);
}
SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
}
@ -178,7 +178,7 @@ DrawRectLineIntersections(SDL_WindowID window)
if (SDL_IntersectRectAndLine(&r, &x1, &y1, &x2, &y2)) {
SDL_SetRenderDrawColor(0, 255, 55, 255);
SDL_RenderLine(x1, y1, x2, y2);
SDL_RenderDrawLine(x1, y1, x2, y2);
}
}
@ -197,7 +197,7 @@ DrawRectRectIntersections(SDL_WindowID window)
SDL_Rect r;
if (SDL_IntersectRect(&rects[i], &rects[j], &r)) {
SDL_SetRenderDrawColor(255, 200, 0, 255);
SDL_RenderRect(&r);
SDL_RenderFillRect(&r);
}
}
@ -272,7 +272,7 @@ main(int argc, char *argv[])
for (i = 0; i < state->num_windows; ++i) {
SDL_SelectRenderer(state->windows[i]);
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderRect(NULL);
SDL_RenderClear();
}
srand(time(NULL));
@ -326,7 +326,7 @@ main(int argc, char *argv[])
case SDL_WINDOWEVENT_EXPOSED:
SDL_SelectRenderer(event.window.windowID);
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderRect(NULL);
SDL_RenderClear();
break;
}
break;
@ -337,7 +337,7 @@ main(int argc, char *argv[])
for (i = 0; i < state->num_windows; ++i) {
SDL_SelectRenderer(state->windows[i]);
SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderRect(NULL);
SDL_RenderClear();
DrawRects(state->windows[i]);
DrawPoints(state->windows[i]);