admin/SDL
1
0 Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Use floating point values for viewport, clip rectangle, and texture sizes

Browse Source 
These are integer values internally, but the API has been changed to make it easier to mix other render code with querying those values.

Fixes https://github.com/libsdl-org/SDL/issues/7519
This commit is contained in:
Sam Lantinga committed 2024-06-12 10:18:39 -07:00
1 parent 463984ec20
commit 9fb5a9ccac
29 files changed
+624 -585
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

test/testdraw.c
+17 -17
View File
@@ -43,7 +43,7 @@ static void DrawPoints(SDL_Renderer *renderer)
{
int i;
float x, y;
SDL_Rect viewport;
SDL_FRect viewport;
/* Query the sizes */
SDL_GetRenderViewport(renderer, &viewport);
@@ -75,8 +75,8 @@ static void DrawPoints(SDL_Renderer *renderer)
SDL_SetRenderDrawColor(renderer, 255, (Uint8)current_color,
(Uint8)current_color, (Uint8)current_alpha);
x = (float)(rand() % viewport.w);
y = (float)(rand() % viewport.h);
x = (float)(rand() % (int)viewport.w);
y = (float)(rand() % (int)viewport.h);
SDL_RenderPoint(renderer, x, y);
}
}
@@ -85,7 +85,7 @@ static void DrawLines(SDL_Renderer *renderer)
{
int i;
float x1, y1, x2, y2;
SDL_Rect viewport;
SDL_FRect viewport;
/* Query the sizes */
SDL_GetRenderViewport(renderer, &viewport);
@@ -118,15 +118,15 @@ static void DrawLines(SDL_Renderer *renderer)
(Uint8)current_color, (Uint8)current_alpha);
if (i == 0) {
SDL_RenderLine(renderer, 0.0f, 0.0f, (float)(viewport.w - 1), (float)(viewport.h - 1));
SDL_RenderLine(renderer, 0.0f, (float)(viewport.h - 1), (float)(viewport.w - 1), 0.0f);
SDL_RenderLine(renderer, 0.0f, (float)(viewport.h / 2), (float)(viewport.w - 1), (float)(viewport.h / 2));
SDL_RenderLine(renderer, (float)(viewport.w / 2), 0.0f, (float)(viewport.w / 2), (float)(viewport.h - 1));
SDL_RenderLine(renderer, 0.0f, 0.0f, (viewport.w - 1), (viewport.h - 1));
SDL_RenderLine(renderer, 0.0f, (viewport.h - 1), (viewport.w - 1), 0.0f);
SDL_RenderLine(renderer, 0.0f, (viewport.h / 2), (viewport.w - 1), (viewport.h / 2));
SDL_RenderLine(renderer, (viewport.w / 2), 0.0f, (viewport.w / 2), (viewport.h - 1));
} else {
x1 = (float)((rand() % (viewport.w * 2)) - viewport.w);
x2 = (float)((rand() % (viewport.w * 2)) - viewport.w);
y1 = (float)((rand() % (viewport.h * 2)) - viewport.h);
y2 = (float)((rand() % (viewport.h * 2)) - viewport.h);
x1 = ((rand() % ((int)viewport.w * 2)) - viewport.w);
x2 = ((rand() % ((int)viewport.w * 2)) - viewport.w);
y1 = ((rand() % ((int)viewport.h * 2)) - viewport.h);
y2 = ((rand() % ((int)viewport.h * 2)) - viewport.h);
SDL_RenderLine(renderer, x1, y1, x2, y2);
}
}
@@ -136,7 +136,7 @@ static void DrawRects(SDL_Renderer *renderer)
{
int i;
SDL_FRect rect;
SDL_Rect viewport;
SDL_FRect viewport;
/* Query the sizes */
SDL_GetRenderViewport(renderer, &viewport);
@@ -168,10 +168,10 @@ static void DrawRects(SDL_Renderer *renderer)
SDL_SetRenderDrawColor(renderer, 255, (Uint8)current_color,
(Uint8)current_color, (Uint8)current_alpha);
rect.w = (float)(rand() % (viewport.h / 2));
rect.h = (float)(rand() % (viewport.h / 2));
rect.x = (float)((rand() % (viewport.w * 2) - viewport.w) - (rect.w / 2));
rect.y = (float)((rand() % (viewport.h * 2) - viewport.h) - (rect.h / 2));
rect.w = (float)(rand() % ((int)viewport.h / 2));
rect.h = (float)(rand() % ((int)viewport.h / 2));
rect.x = ((rand() % ((int)viewport.w * 2) - viewport.w) - (rect.w / 2));
rect.y = ((rand() % ((int)viewport.h * 2) - viewport.h) - (rect.h / 2));
SDL_RenderFillRect(renderer, &rect);
}
}