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author Miodrag Milanovic <mmicko@gmail.com>2016-02-27 16:28:05 +0100
committer Miodrag Milanovic <mmicko@gmail.com>2016-02-27 16:53:49 +0100
commitcf6dc7d370407914020f3e623719f09c8668c692 (patch)
tree46b3416d091b4c09b50fba7ffcbd310aed032cc8 /3rdparty/SDL2/src/render/software/SDL_drawpoint.c
parent64135e73f973d9b95beb0c60b65feb34fbfec64a (diff)
Placed SDL2 source since we need it on some platforms (nw)
Diffstat (limited to '3rdparty/SDL2/src/render/software/SDL_drawpoint.c')
-rw-r--r--3rdparty/SDL2/src/render/software/SDL_drawpoint.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/3rdparty/SDL2/src/render/software/SDL_drawpoint.c b/3rdparty/SDL2/src/render/software/SDL_drawpoint.c
new file mode 100644
index 00000000000..98f0d83c00c
--- /dev/null
+++ b/3rdparty/SDL2/src/render/software/SDL_drawpoint.c
@@ -0,0 +1,114 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#if !SDL_RENDER_DISABLED
+
+#include "SDL_draw.h"
+#include "SDL_drawpoint.h"
+
+
+int
+SDL_DrawPoint(SDL_Surface * dst, int x, int y, Uint32 color)
+{
+ if (!dst) {
+ return SDL_SetError("Passed NULL destination surface");
+ }
+
+ /* This function doesn't work on surfaces < 8 bpp */
+ if (dst->format->BitsPerPixel < 8) {
+ return SDL_SetError("SDL_DrawPoint(): Unsupported surface format");
+ }
+
+ /* Perform clipping */
+ if (x < dst->clip_rect.x || y < dst->clip_rect.y ||
+ x >= (dst->clip_rect.x + dst->clip_rect.w) ||
+ y >= (dst->clip_rect.y + dst->clip_rect.h)) {
+ return 0;
+ }
+
+ switch (dst->format->BytesPerPixel) {
+ case 1:
+ DRAW_FASTSETPIXELXY1(x, y);
+ break;
+ case 2:
+ DRAW_FASTSETPIXELXY2(x, y);
+ break;
+ case 3:
+ return SDL_Unsupported();
+ case 4:
+ DRAW_FASTSETPIXELXY4(x, y);
+ break;
+ }
+ return 0;
+}
+
+int
+SDL_DrawPoints(SDL_Surface * dst, const SDL_Point * points, int count,
+ Uint32 color)
+{
+ int minx, miny;
+ int maxx, maxy;
+ int i;
+ int x, y;
+
+ if (!dst) {
+ return SDL_SetError("Passed NULL destination surface");
+ }
+
+ /* This function doesn't work on surfaces < 8 bpp */
+ if (dst->format->BitsPerPixel < 8) {
+ return SDL_SetError("SDL_DrawPoints(): Unsupported surface format");
+ }
+
+ minx = dst->clip_rect.x;
+ maxx = dst->clip_rect.x + dst->clip_rect.w - 1;
+ miny = dst->clip_rect.y;
+ maxy = dst->clip_rect.y + dst->clip_rect.h - 1;
+
+ for (i = 0; i < count; ++i) {
+ x = points[i].x;
+ y = points[i].y;
+
+ if (x < minx || x > maxx || y < miny || y > maxy) {
+ continue;
+ }
+
+ switch (dst->format->BytesPerPixel) {
+ case 1:
+ DRAW_FASTSETPIXELXY1(x, y);
+ break;
+ case 2:
+ DRAW_FASTSETPIXELXY2(x, y);
+ break;
+ case 3:
+ return SDL_Unsupported();
+ case 4:
+ DRAW_FASTSETPIXELXY4(x, y);
+ break;
+ }
+ }
+ return 0;
+}
+
+#endif /* !SDL_RENDER_DISABLED */
+
+/* vi: set ts=4 sw=4 expandtab: */