testrelative.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include "SDL_test_common.h"

Include dependency graph for testrelative.c:

Go to the source code of this file.

Functions
static void	DrawRects (SDL_Renderer *renderer, SDL_Rect *rect)
static void	loop ()
int	main (int argc, char *argv[])

Variables
static SDLTest_CommonState *	state
int	i
int	done
SDL_Rect	rect
SDL_Event	event

Function Documentation

static void DrawRects ( SDL_Renderer *  renderer, SDL_Rect *  rect  )

static

Definition at line 31 of file testrelative.c.

References SDL_RenderFillRect, and SDL_SetRenderDrawColor.

{
    SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
    SDL_RenderFillRect(renderer, rect);
}

static void loop ( )

static

Definition at line 38 of file testrelative.c.

References done, DrawRects(), SDL_Rect::h, i, NULL, SDLTest_CommonState::num_windows, renderer, SDLTest_CommonState::renderers, SDL_MOUSEMOTION, SDL_PollEvent, SDL_RenderClear, SDL_RenderGetViewport, SDL_RenderPresent, SDL_SetRenderDrawColor, SDLTest_CommonEvent(), SDL_Event::type, viewport, SDL_Rect::w, SDLTest_CommonState::windows, SDL_Rect::x, and SDL_Rect::y.

      {
    /* Check for events */
    while (SDL_PollEvent(&event)) {
        SDLTest_CommonEvent(state, &event, &done);
        switch(event.type) {
        case SDL_MOUSEMOTION:
            {
                rect.x += event.motion.xrel;
                rect.y += event.motion.yrel;
            }
            break;
        }
    }
    for (i = 0; i < state->num_windows; ++i) {
        SDL_Rect viewport;
        SDL_Renderer *renderer = state->renderers[i];
        if (state->windows[i] == NULL)
            continue;
        SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0xFF);
        SDL_RenderClear(renderer);

        /* Wrap the cursor rectangle at the screen edges to keep it visible */
        SDL_RenderGetViewport(renderer, &viewport);
        if (rect.x < viewport.x) rect.x += viewport.w;
        if (rect.y < viewport.y) rect.y += viewport.h;
        if (rect.x > viewport.x + viewport.w) rect.x -= viewport.w;
        if (rect.y > viewport.y + viewport.h) rect.y -= viewport.h;

        DrawRects(renderer, &rect);

        SDL_RenderPresent(renderer);
    }
#ifdef __EMSCRIPTEN__
    if (done) {
        emscripten_cancel_main_loop();
    }
#endif
}

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 78 of file testrelative.c.

References DEFAULT_WINDOW_HEIGHT, DEFAULT_WINDOW_WIDTH, done, SDL_Rect::h, i, loop(), NULL, SDLTest_CommonState::num_windows, renderer, SDLTest_CommonState::renderers, SDL_BLENDMODE_NONE, SDL_INIT_VIDEO, SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, SDL_LogSetPriority, SDL_RenderClear, SDL_SetRelativeMouseMode, SDL_SetRenderDrawBlendMode, SDL_SetRenderDrawColor, SDL_TRUE, SDLTest_CommonArg(), SDLTest_CommonCreateState(), SDLTest_CommonInit(), SDLTest_CommonQuit(), SDL_Rect::w, SDL_Rect::x, and SDL_Rect::y.

{

    /* Enable standard application logging */
    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);

    /* Initialize test framework */
    state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
    if (!state) {
        return 1;
    }
    for (i = 1; i < argc; ++i) {
        SDLTest_CommonArg(state, i);
    }
    if (!SDLTest_CommonInit(state)) {
        return 2;
    }

    /* Create the windows and initialize the renderers */
    for (i = 0; i < state->num_windows; ++i) {
        SDL_Renderer *renderer = state->renderers[i];
        SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
        SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
        SDL_RenderClear(renderer);
    }

    srand((unsigned int)time(NULL));
    if(SDL_SetRelativeMouseMode(SDL_TRUE) < 0) {
        return 3;
    };

    rect.x = DEFAULT_WINDOW_WIDTH / 2;
    rect.y = DEFAULT_WINDOW_HEIGHT / 2;
    rect.w = 10;
    rect.h = 10;
    /* Main render loop */
    done = 0;
#ifdef __EMSCRIPTEN__
    emscripten_set_main_loop(loop, 0, 1);
#else
    while (!done) {
        loop();
        }
#endif
    SDLTest_CommonQuit(state);
    return 0;
}

Variable Documentation

int done

Definition at line 26 of file testrelative.c.

SDL_Event event

Definition at line 28 of file testrelative.c.

int i

Definition at line 26 of file testrelative.c.

SDL_Rect rect

Definition at line 27 of file testrelative.c.

Referenced by _compare(), _testBlitBlendMode(), DrawChessBoard(), DrawOnViewport(), DrawRects(), main(), rect_testIntersectRectAndLine(), rect_testIntersectRectAndLineEmpty(), rect_testIntersectRectAndLineInside(), rect_testIntersectRectAndLineOutside(), rect_testIntersectRectAndLineParam(), rect_testRectEmpty(), render_testBlit(), render_testBlitAlpha(), render_testBlitBlend(), render_testBlitColor(), render_testPrimitives(), render_testPrimitivesBlend(), SDL_BlendFillRects(), SDL_ConvertPixels(), SDL_GetWindowDisplayIndex(), SDL_LockTextureNative(), SDL_SW_CopyYUVToRGB(), SDL_UnlockTextureNative(), SDL_UnlockTextureYUV(), and SDL_UpdateWindowTexture().

SDLTest_CommonState* state

static

Definition at line 25 of file testrelative.c.