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

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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 2024-06-12 09:21:02 -07:00
parent 463984ec20
commit 9fb5a9ccac
29 changed files with 624 additions and 585 deletions
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16
test/testintersections.c
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@ -45,7 +45,7 @@ static void DrawPoints(SDL_Renderer *renderer)
{
int i;
float x, y;
SDL_Rect viewport;
SDL_FRect viewport;
/* Query the sizes */
SDL_GetRenderViewport(renderer, &viewport);
@ -77,8 +77,8 @@ 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);
}
}
@ -107,7 +107,7 @@ static int add_line(float x1, float y1, float x2, float y2)
static void DrawLines(SDL_Renderer *renderer)
{
int i;
SDL_Rect viewport;
SDL_FRect viewport;
/* Query the sizes */
SDL_GetRenderViewport(renderer, &viewport);
@ -116,10 +116,10 @@ static void DrawLines(SDL_Renderer *renderer)
for (i = 0; i < num_lines; ++i) {
if (i == -1) {
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 {
SDL_RenderLine(renderer, lines[i].x, lines[i].y, lines[i].w, lines[i].h);
}