diff options
Diffstat (limited to 'progs/samples/prim.c')
-rw-r--r-- | progs/samples/prim.c | 545 |
1 files changed, 0 insertions, 545 deletions
diff --git a/progs/samples/prim.c b/progs/samples/prim.c deleted file mode 100644 index c04750725fb..00000000000 --- a/progs/samples/prim.c +++ /dev/null @@ -1,545 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <GL/glut.h> - - -#define PIXEL_CENTER(x) ((long)(x) + 0.5) - -#define GAP 10 -#define ROWS 3 -#define COLS 4 - -#define OPENGL_WIDTH 48 -#define OPENGL_HEIGHT 13 - - -GLenum rgb, doubleBuffer, windType; -GLint windW, windH; - -GLenum mode1, mode2; -GLint boxW, boxH; -GLubyte OpenGL_bits[] = { - 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, - 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01, - 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01, - 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, - 0x3e, 0x8f, 0xb7, 0xf9, 0xfc, 0x01, - 0x63, 0xdb, 0xb0, 0x8d, 0x0d, 0x00, - 0x63, 0xdb, 0xb7, 0x8d, 0x0d, 0x00, - 0x63, 0xdb, 0xb6, 0x8d, 0x0d, 0x00, - 0x63, 0x8f, 0xf3, 0xcc, 0x0d, 0x00, - 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0a, - 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0e, - 0x63, 0x00, 0x00, 0x8c, 0xed, 0x0e, - 0x3e, 0x00, 0x00, 0xf8, 0x0c, 0x00, -}; - - -#include "tkmap.c" - -static void Init(void) -{ - - mode1 = GL_TRUE; - mode2 = GL_TRUE; -} - -static void Reshape(int width, int height) -{ - - windW = (GLint)width; - windH = (GLint)height; -} - -static void RotateColorMask(void) -{ - static GLint rotation = 0; - - rotation = (rotation + 1) & 0x3; - switch (rotation) { - case 0: - glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); - glIndexMask( 0xff ); - break; - case 1: - glColorMask(GL_FALSE, GL_TRUE, GL_TRUE, GL_TRUE); - glIndexMask(0xFE); - break; - case 2: - glColorMask(GL_TRUE, GL_FALSE, GL_TRUE, GL_TRUE); - glIndexMask(0xFD); - break; - case 3: - glColorMask(GL_TRUE, GL_TRUE, GL_FALSE, GL_TRUE); - glIndexMask(0xFB); - break; - } -} - -static void Key(unsigned char key, int x, int y) -{ - - switch (key) { - case 27: - exit(1); - case '1': - mode1 = !mode1; - break; - case '2': - mode2 = !mode2; - break; - case '3': - RotateColorMask(); - break; - default: - return; - } - - glutPostRedisplay(); -} - -static void Viewport(GLint row, GLint column) -{ - GLint x, y; - - boxW = (windW - (COLS + 1) * GAP) / COLS; - boxH = (windH - (ROWS + 1) * GAP) / ROWS; - - x = GAP + column * (boxW + GAP); - y = GAP + row * (boxH + GAP); - - glViewport(x, y, boxW, boxH); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glOrtho(-boxW/2, boxW/2, -boxH/2, boxH/2, 0.0, 1.0); - glMatrixMode(GL_MODELVIEW); - - glEnable(GL_SCISSOR_TEST); - glScissor(x, y, boxW, boxH); -} - -static void Point(void) -{ - GLint i; - - glBegin(GL_POINTS); - SetColor(COLOR_WHITE); - glVertex2i(0, 0); - for (i = 1; i < 8; i++) { - GLint j = i * 2; - SetColor(COLOR_BLACK+i); - glVertex2i(-j, -j); - glVertex2i(-j, 0); - glVertex2i(-j, j); - glVertex2i(0, j); - glVertex2i(j, j); - glVertex2i(j, 0); - glVertex2i(j, -j); - glVertex2i(0, -j); - } - glEnd(); -} - -static void Lines(void) -{ - GLint i; - - glPushMatrix(); - - glTranslatef(-12, 0, 0); - for (i = 1; i < 8; i++) { - SetColor(COLOR_BLACK+i); - glBegin(GL_LINES); - glVertex2i(-boxW/4, -boxH/4); - glVertex2i(boxW/4, boxH/4); - glEnd(); - glTranslatef(4, 0, 0); - } - - glPopMatrix(); - - glBegin(GL_LINES); - glVertex2i(0, 0); - glEnd(); -} - -static void LineStrip(void) -{ - - glBegin(GL_LINE_STRIP); - SetColor(COLOR_RED); - glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4)); - SetColor(COLOR_GREEN); - glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4)); - SetColor(COLOR_BLUE); - glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4)); - SetColor(COLOR_WHITE); - glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4)); - glEnd(); - - glBegin(GL_LINE_STRIP); - glVertex2i(0, 0); - glEnd(); -} - -static void LineLoop(void) -{ - - glBegin(GL_LINE_LOOP); - SetColor(COLOR_RED); - glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4)); - SetColor(COLOR_GREEN); - glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4)); - SetColor(COLOR_BLUE); - glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4)); - SetColor(COLOR_WHITE); - glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4)); - glEnd(); - - glEnable(GL_LOGIC_OP); - glLogicOp(GL_XOR); - - glEnable(GL_BLEND); - glBlendFunc(GL_ONE, GL_ONE); - - SetColor(COLOR_MAGENTA); - glBegin(GL_LINE_LOOP); - glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(-boxH/8)); - glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8)); - glEnd(); - glBegin(GL_LINE_LOOP); - glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8+5)); - glVertex2f(PIXEL_CENTER(boxW/8), PIXEL_CENTER(boxH/8+5)); - glEnd(); - glDisable(GL_LOGIC_OP); - glDisable(GL_BLEND); - - SetColor(COLOR_GREEN); - glBegin(GL_POINTS); - glVertex2i(0, 0); - glEnd(); - - glBegin(GL_LINE_LOOP); - glVertex2i(0, 0); - glEnd(); -} - -static void Bitmap(void) -{ - - glBegin(GL_LINES); - SetColor(COLOR_GREEN); - glVertex2i(-boxW/2, 0); - glVertex2i(boxW/2, 0); - glVertex2i(0, -boxH/2); - glVertex2i(0, boxH/2); - SetColor(COLOR_RED); - glVertex2i(0, -3); - glVertex2i(0, -3+OPENGL_HEIGHT); - SetColor(COLOR_BLUE); - glVertex2i(0, -3); - glVertex2i(OPENGL_WIDTH, -3); - glEnd(); - - SetColor(COLOR_GREEN); - - glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE); - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - glRasterPos2i(0, 0); - glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, 0, 3, 0.0, 0.0, OpenGL_bits); -} - -static void Triangles(void) -{ - - glBegin(GL_TRIANGLES); - SetColor(COLOR_GREEN); - glVertex2i(-boxW/4, -boxH/4); - SetColor(COLOR_RED); - glVertex2i(-boxW/8, -boxH/16); - SetColor(COLOR_BLUE); - glVertex2i(boxW/8, -boxH/16); - - SetColor(COLOR_GREEN); - glVertex2i(-boxW/4, boxH/4); - SetColor(COLOR_RED); - glVertex2i(-boxW/8, boxH/16); - SetColor(COLOR_BLUE); - glVertex2i(boxW/8, boxH/16); - glEnd(); - - glBegin(GL_TRIANGLES); - glVertex2i(0, 0); - glVertex2i(-100, 100); - glEnd(); -} - -static void TriangleStrip(void) -{ - - glBegin(GL_TRIANGLE_STRIP); - SetColor(COLOR_GREEN); - glVertex2i(-boxW/4, -boxH/4); - SetColor(COLOR_RED); - glVertex2i(-boxW/4, boxH/4); - SetColor(COLOR_BLUE); - glVertex2i(0, -boxH/4); - SetColor(COLOR_WHITE); - glVertex2i(0, boxH/4); - SetColor(COLOR_CYAN); - glVertex2i(boxW/4, -boxH/4); - SetColor(COLOR_YELLOW); - glVertex2i(boxW/4, boxH/4); - glEnd(); - - glBegin(GL_TRIANGLE_STRIP); - glVertex2i(0, 0); - glVertex2i(-100, 100); - glEnd(); -} - -static void TriangleFan(void) -{ - GLint vx[8][2]; - GLint x0, y0, x1, y1, x2, y2, x3, y3; - GLint i; - - y0 = -boxH/4; - y1 = y0 + boxH/2/3; - y2 = y1 + boxH/2/3; - y3 = boxH/4; - x0 = -boxW/4; - x1 = x0 + boxW/2/3; - x2 = x1 + boxW/2/3; - x3 = boxW/4; - - vx[0][0] = x0; vx[0][1] = y1; - vx[1][0] = x0; vx[1][1] = y2; - vx[2][0] = x1; vx[2][1] = y3; - vx[3][0] = x2; vx[3][1] = y3; - vx[4][0] = x3; vx[4][1] = y2; - vx[5][0] = x3; vx[5][1] = y1; - vx[6][0] = x2; vx[6][1] = y0; - vx[7][0] = x1; vx[7][1] = y0; - - glBegin(GL_TRIANGLE_FAN); - SetColor(COLOR_WHITE); - glVertex2i(0, 0); - for (i = 0; i < 8; i++) { - SetColor(COLOR_WHITE-i); - glVertex2iv(vx[i]); - } - glEnd(); - - glBegin(GL_TRIANGLE_FAN); - glVertex2i(0, 0); - glVertex2i(-100, 100); - glEnd(); -} - -static void Rect(void) -{ - - SetColor(COLOR_GREEN); - glRecti(-boxW/4, -boxH/4, boxW/4, boxH/4); -} - -static void PolygonFunc(void) -{ - GLint vx[8][2]; - GLint x0, y0, x1, y1, x2, y2, x3, y3; - GLint i; - - y0 = -boxH/4; - y1 = y0 + boxH/2/3; - y2 = y1 + boxH/2/3; - y3 = boxH/4; - x0 = -boxW/4; - x1 = x0 + boxW/2/3; - x2 = x1 + boxW/2/3; - x3 = boxW/4; - - vx[0][0] = x0; vx[0][1] = y1; - vx[1][0] = x0; vx[1][1] = y2; - vx[2][0] = x1; vx[2][1] = y3; - vx[3][0] = x2; vx[3][1] = y3; - vx[4][0] = x3; vx[4][1] = y2; - vx[5][0] = x3; vx[5][1] = y1; - vx[6][0] = x2; vx[6][1] = y0; - vx[7][0] = x1; vx[7][1] = y0; - - glBegin(GL_POLYGON); - for (i = 0; i < 8; i++) { - SetColor(COLOR_WHITE-i); - glVertex2iv(vx[i]); - } - glEnd(); - - glBegin(GL_POLYGON); - glVertex2i(0, 0); - glVertex2i(100, 100); - glEnd(); -} - -static void Quads(void) -{ - - glBegin(GL_QUADS); - SetColor(COLOR_GREEN); - glVertex2i(-boxW/4, -boxH/4); - SetColor(COLOR_RED); - glVertex2i(-boxW/8, -boxH/16); - SetColor(COLOR_BLUE); - glVertex2i(boxW/8, -boxH/16); - SetColor(COLOR_WHITE); - glVertex2i(boxW/4, -boxH/4); - - SetColor(COLOR_GREEN); - glVertex2i(-boxW/4, boxH/4); - SetColor(COLOR_RED); - glVertex2i(-boxW/8, boxH/16); - SetColor(COLOR_BLUE); - glVertex2i(boxW/8, boxH/16); - SetColor(COLOR_WHITE); - glVertex2i(boxW/4, boxH/4); - glEnd(); - - glBegin(GL_QUADS); - glVertex2i(0, 0); - glVertex2i(100, 100); - glVertex2i(-100, 100); - glEnd(); -} - -static void QuadStrip(void) -{ - - glBegin(GL_QUAD_STRIP); - SetColor(COLOR_GREEN); - glVertex2i(-boxW/4, -boxH/4); - SetColor(COLOR_RED); - glVertex2i(-boxW/4, boxH/4); - SetColor(COLOR_BLUE); - glVertex2i(0, -boxH/4); - SetColor(COLOR_WHITE); - glVertex2i(0, boxH/4); - SetColor(COLOR_CYAN); - glVertex2i(boxW/4, -boxH/4); - SetColor(COLOR_YELLOW); - glVertex2i(boxW/4, boxH/4); - glEnd(); - - glBegin(GL_QUAD_STRIP); - glVertex2i(0, 0); - glVertex2i(100, 100); - glVertex2i(-100, 100); - glEnd(); -} - -static void Draw(void) -{ - - glViewport(0, 0, windW, windH); - glDisable(GL_SCISSOR_TEST); - - glPushAttrib(GL_COLOR_BUFFER_BIT); - - glColorMask(1, 1, 1, 1); - glIndexMask(~0); - - glClearColor(0.0, 0.0, 0.0, 0.0); - glClear(GL_COLOR_BUFFER_BIT); - - glPopAttrib(); - - if (mode1) { - glShadeModel(GL_SMOOTH); - } else { - glShadeModel(GL_FLAT); - } - - if (mode2) { - glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); - } else { - glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); - } - - Viewport(0, 0); Point(); - Viewport(0, 1); Lines(); - Viewport(0, 2); LineStrip(); - Viewport(0, 3); LineLoop(); - - Viewport(1, 0); Bitmap(); - Viewport(1, 1); TriangleFan(); - Viewport(1, 2); Triangles(); - Viewport(1, 3); TriangleStrip(); - - Viewport(2, 0); Rect(); - Viewport(2, 1); PolygonFunc(); - Viewport(2, 2); Quads(); - Viewport(2, 3); QuadStrip(); - - glFlush(); - - if (doubleBuffer) { - glutSwapBuffers(); - } -} - -static GLenum Args(int argc, char **argv) -{ - GLint i; - - rgb = GL_TRUE; - doubleBuffer = GL_FALSE; - - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-ci") == 0) { - rgb = GL_FALSE; - } else if (strcmp(argv[i], "-rgb") == 0) { - rgb = GL_TRUE; - } else if (strcmp(argv[i], "-sb") == 0) { - doubleBuffer = GL_FALSE; - } else if (strcmp(argv[i], "-db") == 0) { - doubleBuffer = GL_TRUE; - } else { - printf("%s (Bad option).\n", argv[i]); - return GL_FALSE; - } - } - return GL_TRUE; -} - -int main(int argc, char **argv) -{ - glutInit(&argc, argv); - - if (Args(argc, argv) == GL_FALSE) { - exit(1); - } - - windW = 600; - windH = 300; - glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH); - - windType = (rgb) ? GLUT_RGB : GLUT_INDEX; - windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; - glutInitDisplayMode(windType); - - if (glutCreateWindow("Primitive Test") == GL_FALSE) { - exit(1); - } - - InitMap(); - - Init(); - - glutReshapeFunc(Reshape); - glutKeyboardFunc(Key); - glutDisplayFunc(Draw); - glutMainLoop(); - return 0; -} |