23#include <emscripten/emscripten.h>
34#define EVENT_BUF_SIZE 256
41static int colors[7] = {0xFF,0xFF00,0xFF0000,0xFFFF00,0x00FFFF,0xFF00FF,0xFFFFFF};
55static Knob knob = { 0.0f, 0.1f, { 0.0f, 0.0f } };
64 const int x = (int)_x;
65 const int y = (int)_y;
79 a = (float) ((col >> 24) & 0xFF);
84 a = (
a == 0.0f) ? 1 : (
a / 255.0f);
85 r = (
Uint8) (
r * (1 -
a) + ((col >> 16) & 0xFF) *
a);
86 g = (
Uint8) (
g * (1 -
a) + ((col >> 8) & 0xFF) *
a);
87 b = (
Uint8) (
b * (1 -
a) + ((col >> 0) & 0xFF) *
a);
109 for(tx = -xr + 0.5f; tx <= xr - 0.5f; tx++) {
149 x =
event->tfinger.x;
150 y =
event->tfinger.y;
153 c =
colors[
event->tfinger.fingerId % 7];
154 col = ((
unsigned int) (
c * (0.1f + 0.85f))) | (
unsigned int) (0xFF * age) << 24;
185 switch (
event.type) {
187 switch (
event.key.keysym.sym) {
233 SDL_Log(
"Multi Gesture: x = %f, y = %f, dAng = %f, dR = %f",
236 SDL_Log(
"MG: numDownTouch = %i",
event.mgesture.numFingers);
239 knob.
p.
x =
event.mgesture.x;
240 knob.
p.
y =
event.mgesture.y;
241 knob.
ang +=
event.mgesture.dTheta;
242 knob.
r +=
event.mgesture.dDist;
247 event.dgesture.gestureId,
event.dgesture.error);
264 emscripten_cancel_main_loop();
269int main(
int argc,
char* argv[])
287 emscripten_set_main_loop(
loop, 0, 1);
#define SDL_GetNumTouchDevices
#define SDL_GetNumTouchFingers
#define SDL_GetTouchDevice
#define SDL_LoadDollarTemplates
#define SDL_RecordGesture
#define SDL_UpdateWindowSurface
#define SDL_SaveAllDollarTemplates
#define SDL_GetWindowSurface
GLint GLint GLint GLint GLint GLint y
GLdouble GLdouble GLdouble r
GLint GLint GLint GLint GLint x
GLboolean GLboolean GLboolean b
GLuint GLfloat GLfloat GLfloat x1
GLboolean GLboolean GLboolean GLboolean a
GLuint GLfloat GLfloat y0
void SDLTest_CommonQuit(SDLTest_CommonState *state)
Close test window.
SDL_bool SDLTest_CommonDefaultArgs(SDLTest_CommonState *state, const int argc, char **argv)
Easy argument handling when test app doesn't need any custom args.
SDLTest_CommonState * SDLTest_CommonCreateState(char **argv, Uint32 flags)
Parse command line parameters and create common state.
void SDLTest_CommonEvent(SDLTest_CommonState *state, SDL_Event *event, int *done)
Common event handler for test windows.
SDL_bool SDLTest_CommonInit(SDLTest_CommonState *state)
Open test window.
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int int int return Display Window Cursor return Display Window return Display Drawable GC int int unsigned int unsigned int return Display Drawable GC int int _Xconst char int return Display Drawable GC int int unsigned int unsigned int return Display return Display Cursor return Display GC return XModifierKeymap return char Display Window int return Display return Display Atom return Display Window XWindowAttributes return Display Window return Display XEvent Bool(*) XPointer return Display Window Bool unsigned int int int Window Cursor Time return Display Window int return KeySym return Display _Xconst char Bool return Display _Xconst char return XKeyEvent char int KeySym XComposeStatus return Display int int int XVisualInfo return Display Window int int return _Xconst char return Display XEvent return Display Drawable GC XImage int int int int unsigned int unsigned int return Display Window Window Window int int int int unsigned int return Display Window Window int int return Display Window unsigned int unsigned int return Display Window Bool long XEvent return Display GC unsigned long return Display Window int Time return Display Window Window return Display Window unsigned long return Display Window XSizeHints Display Colormap XColor int return char int XTextProperty return XFontStruct _Xconst char int int int int XCharStruct return Display Window return Display Time return Display Colormap return Display Window Window int int unsigned int unsigned int int int return Display Window int return XExtensionInfo Display char XExtensionHooks int XPointer return XExtensionInfo XExtensionInfo Display return Display return Display unsigned long Display GC Display char long Display xReply int Bool return Display Bool return Display int SDL_X11_XESetEventToWireRetType return Display Window Window Window Window unsigned int return Display XShmSegmentInfo return Display Drawable GC XImage int int int int unsigned int unsigned int Boo k)
EGLSurface EGLNativeWindowType * window
A collection of pixels used in software blitting.
The type used to identify a window.
const char * window_title
static void drawLine(SDL_Surface *screen, float x0, float y0, float x1, float y1, unsigned int col)
int main(int argc, char *argv[])
static void drawCircle(SDL_Surface *screen, float x, float y, float r, unsigned int c)
static void setpix(SDL_Surface *screen, float _x, float _y, unsigned int col)
static void drawKnob(SDL_Surface *screen, const Knob *k)
static SDLTest_CommonState * state
static void DrawScreen(SDL_Window *window)
static SDL_Event events[EVENT_BUF_SIZE]