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Diffstat (limited to 'demo/d3d11/imguiGraph.cpp')
-rw-r--r--demo/d3d11/imguiGraph.cpp472
1 files changed, 0 insertions, 472 deletions
diff --git a/demo/d3d11/imguiGraph.cpp b/demo/d3d11/imguiGraph.cpp
deleted file mode 100644
index 011e71b..0000000
--- a/demo/d3d11/imguiGraph.cpp
+++ /dev/null
@@ -1,472 +0,0 @@
-/*
- * Copyright (c) 2008-2017, NVIDIA CORPORATION. All rights reserved.
- *
- * NVIDIA CORPORATION and its licensors retain all intellectual property
- * and proprietary rights in and to this software, related documentation
- * and any modifications thereto. Any use, reproduction, disclosure or
- * distribution of this software and related documentation without an express
- * license agreement from NVIDIA CORPORATION is strictly prohibited.
- */
-
-#define _USE_MATH_DEFINES
-#include <math.h>
-#include "imgui.h"
-
-#include <stdio.h>
-#include <stdint.h>
-
-#include "imguiGraph.h"
-#include "imguiGraphD3D11.h"
-
-// Some math headers don't have PI defined.
-static const float PI = 3.14159265f;
-
-void imguifree(void* ptr, void* userptr);
-void* imguimalloc(size_t size, void* userptr);
-
-#define STBTT_malloc(x,y) imguimalloc(x,y)
-#define STBTT_free(x,y) imguifree(x,y)
-#define STB_TRUETYPE_IMPLEMENTATION
-#include "stb_truetype.h"
-
-void imguifree(void* ptr, void* /*userptr*/)
-{
- free(ptr);
-}
-
-void* imguimalloc(size_t size, void* /*userptr*/)
-{
- return malloc(size);
-}
-
-static const unsigned TEMP_COORD_COUNT = 100;
-static float g_tempCoords[TEMP_COORD_COUNT * 2];
-static float g_tempNormals[TEMP_COORD_COUNT * 2];
-
-static const int CIRCLE_VERTS = 8 * 4;
-static float g_circleVerts[CIRCLE_VERTS * 2];
-
-static stbtt_bakedchar g_cdata[96]; // ASCII 32..126 is 95 glyphs
-
-inline unsigned int RGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
-{
- return (r) | (g << 8) | (b << 16) | (a << 24);
-}
-
-static void drawPolygon(const float* coords, unsigned numCoords, float r, unsigned int col)
-{
- if (numCoords > TEMP_COORD_COUNT) numCoords = TEMP_COORD_COUNT;
-
- for (unsigned i = 0, j = numCoords - 1; i < numCoords; j = i++)
- {
- const float* v0 = &coords[j * 2];
- const float* v1 = &coords[i * 2];
- float dx = v1[0] - v0[0];
- float dy = v1[1] - v0[1];
- float d = sqrtf(dx*dx + dy*dy);
- if (d > 0)
- {
- d = 1.0f / d;
- dx *= d;
- dy *= d;
- }
- g_tempNormals[j * 2 + 0] = dy;
- g_tempNormals[j * 2 + 1] = -dx;
- }
-
- for (unsigned i = 0, j = numCoords - 1; i < numCoords; j = i++)
- {
- float dlx0 = g_tempNormals[j * 2 + 0];
- float dly0 = g_tempNormals[j * 2 + 1];
- float dlx1 = g_tempNormals[i * 2 + 0];
- float dly1 = g_tempNormals[i * 2 + 1];
- float dmx = (dlx0 + dlx1) * 0.5f;
- float dmy = (dly0 + dly1) * 0.5f;
- float dmr2 = dmx*dmx + dmy*dmy;
- if (dmr2 > 0.000001f)
- {
- float scale = 1.0f / dmr2;
- if (scale > 10.0f) scale = 10.0f;
- dmx *= scale;
- dmy *= scale;
- }
- g_tempCoords[i * 2 + 0] = coords[i * 2 + 0] + dmx*r;
- g_tempCoords[i * 2 + 1] = coords[i * 2 + 1] + dmy*r;
- }
-
- unsigned int colTrans = RGBA(col & 0xff, (col >> 8) & 0xff, (col >> 16) & 0xff, 0);
-
- imguiGraphColor4ubv((uint8_t*)&col);
-
- for (unsigned i = 0, j = numCoords - 1; i < numCoords; j = i++)
- {
- imguiGraphVertex2fv(&coords[i * 2]);
- imguiGraphVertex2fv(&coords[j * 2]);
- imguiGraphColor4ubv((uint8_t*)&colTrans);
- imguiGraphVertex2fv(&g_tempCoords[j * 2]);
-
- imguiGraphVertex2fv(&g_tempCoords[j * 2]);
- imguiGraphVertex2fv(&g_tempCoords[i * 2]);
-
- imguiGraphColor4ubv((uint8_t*)&col);
- imguiGraphVertex2fv(&coords[i * 2]);
- }
-
- imguiGraphColor4ubv((uint8_t*)&col);
- for (unsigned i = 2; i < numCoords; ++i)
- {
- imguiGraphVertex2fv(&coords[0]);
- imguiGraphVertex2fv(&coords[(i - 1) * 2]);
- imguiGraphVertex2fv(&coords[i * 2]);
- }
-}
-
-static void drawRect(float x, float y, float w, float h, float fth, unsigned int col)
-{
- float verts[4 * 2] =
- {
- x + 0.5f, y + 0.5f,
- x + w - 0.5f, y + 0.5f,
- x + w - 0.5f, y + h - 0.5f,
- x + 0.5f, y + h - 0.5f,
- };
- drawPolygon(verts, 4, fth, col);
-}
-
-/*
-static void drawEllipse(float x, float y, float w, float h, float fth, unsigned int col)
-{
-float verts[CIRCLE_VERTS*2];
-const float* cverts = g_circleVerts;
-float* v = verts;
-
-for (int i = 0; i < CIRCLE_VERTS; ++i)
-{
-*v++ = x + cverts[i*2]*w;
-*v++ = y + cverts[i*2+1]*h;
-}
-
-drawPolygon(verts, CIRCLE_VERTS, fth, col);
-}
-*/
-
-static void drawRoundedRect(float x, float y, float w, float h, float r, float fth, unsigned int col)
-{
- const unsigned n = CIRCLE_VERTS / 4;
- float verts[(n + 1) * 4 * 2];
- const float* cverts = g_circleVerts;
- float* v = verts;
-
- for (unsigned i = 0; i <= n; ++i)
- {
- *v++ = x + w - r + cverts[i * 2] * r;
- *v++ = y + h - r + cverts[i * 2 + 1] * r;
- }
-
- for (unsigned i = n; i <= n * 2; ++i)
- {
- *v++ = x + r + cverts[i * 2] * r;
- *v++ = y + h - r + cverts[i * 2 + 1] * r;
- }
-
- for (unsigned i = n * 2; i <= n * 3; ++i)
- {
- *v++ = x + r + cverts[i * 2] * r;
- *v++ = y + r + cverts[i * 2 + 1] * r;
- }
-
- for (unsigned i = n * 3; i < n * 4; ++i)
- {
- *v++ = x + w - r + cverts[i * 2] * r;
- *v++ = y + r + cverts[i * 2 + 1] * r;
- }
- *v++ = x + w - r + cverts[0] * r;
- *v++ = y + r + cverts[1] * r;
-
- drawPolygon(verts, (n + 1) * 4, fth, col);
-}
-
-
-static void drawLine(float x0, float y0, float x1, float y1, float r, float fth, unsigned int col)
-{
- float dx = x1 - x0;
- float dy = y1 - y0;
- float d = sqrtf(dx*dx + dy*dy);
- if (d > 0.0001f)
- {
- d = 1.0f / d;
- dx *= d;
- dy *= d;
- }
- float nx = dy;
- float ny = -dx;
- float verts[4 * 2];
- r -= fth;
- r *= 0.5f;
- if (r < 0.01f) r = 0.01f;
- dx *= r;
- dy *= r;
- nx *= r;
- ny *= r;
-
- verts[0] = x0 - dx - nx;
- verts[1] = y0 - dy - ny;
-
- verts[2] = x0 - dx + nx;
- verts[3] = y0 - dy + ny;
-
- verts[4] = x1 + dx + nx;
- verts[5] = y1 + dy + ny;
-
- verts[6] = x1 + dx - nx;
- verts[7] = y1 + dy - ny;
-
- drawPolygon(verts, 4, fth, col);
-}
-
-
-bool imguiGraphInit(const char* fontpath, const ImguiGraphDesc* desc)
-{
- imguiGraphContextInit(desc);
-
- for (int i = 0; i < CIRCLE_VERTS; ++i)
- {
- float a = (float)i / (float)CIRCLE_VERTS * PI * 2;
- g_circleVerts[i * 2 + 0] = cosf(a);
- g_circleVerts[i * 2 + 1] = sinf(a);
- }
-
- // Load font.
- FILE* fp = fopen(fontpath, "rb");
- if (!fp) return false;
- fseek(fp, 0, SEEK_END);
- int size = ftell(fp);
- fseek(fp, 0, SEEK_SET);
-
- unsigned char* ttfBuffer = (unsigned char*)malloc(size);
- if (!ttfBuffer)
- {
- fclose(fp);
- return false;
- }
-
- size_t len = fread(ttfBuffer, 1, size, fp);
- (void)len;
-
- fclose(fp);
- fp = 0;
-
- unsigned char* bmap = (unsigned char*)malloc(512 * 512);
- if (!bmap)
- {
- free(ttfBuffer);
- return false;
- }
-
- stbtt_BakeFontBitmap(ttfBuffer, 0, 15.0f, bmap, 512, 512, 32, 96, g_cdata);
-
- // can free ttf_buffer at this point
- imguiGraphFontTextureInit(bmap);
-
- free(ttfBuffer);
- free(bmap);
-
- return true;
-}
-
-void imguiGraphUpdate(const ImguiGraphDesc* desc)
-{
- imguiGraphContextUpdate(desc);
-}
-
-void imguiGraphDestroy()
-{
- imguiGraphFontTextureRelease();
-
- imguiGraphContextDestroy();
-}
-
-static void getBakedQuad(stbtt_bakedchar *chardata, int pw, int ph, int char_index,
- float *xpos, float *ypos, stbtt_aligned_quad *q)
-{
- stbtt_bakedchar *b = chardata + char_index;
- int round_x = STBTT_ifloor(*xpos + b->xoff);
- int round_y = STBTT_ifloor(*ypos - b->yoff);
-
- q->x0 = (float)round_x;
- q->y0 = (float)round_y;
- q->x1 = (float)round_x + b->x1 - b->x0;
- q->y1 = (float)round_y - b->y1 + b->y0;
-
- q->s0 = b->x0 / (float)pw;
- q->t0 = b->y0 / (float)pw;
- q->s1 = b->x1 / (float)ph;
- q->t1 = b->y1 / (float)ph;
-
- *xpos += b->xadvance;
-}
-
-static const float g_tabStops[4] = { 150, 210, 270, 330 };
-
-static float getTextLength(stbtt_bakedchar *chardata, const char* text)
-{
- float xpos = 0;
- float len = 0;
- while (*text)
- {
- int c = (unsigned char)*text;
- if (c == '\t')
- {
- for (int i = 0; i < 4; ++i)
- {
- if (xpos < g_tabStops[i])
- {
- xpos = g_tabStops[i];
- break;
- }
- }
- }
- else if (c >= 32 && c < 128)
- {
- stbtt_bakedchar *b = chardata + c - 32;
- int round_x = STBTT_ifloor((xpos + b->xoff) + 0.5);
- len = round_x + b->x1 - b->x0 + 0.5f;
- xpos += b->xadvance;
- }
- ++text;
- }
- return len;
-}
-
-static void drawText(float x, float y, const char *text, int align, unsigned int col)
-{
- if (!text) return;
-
- if (align == IMGUI_ALIGN_CENTER)
- x -= getTextLength(g_cdata, text) / 2;
- else if (align == IMGUI_ALIGN_RIGHT)
- x -= getTextLength(g_cdata, text);
-
- imguiGraphColor4ub(col & 0xff, (col >> 8) & 0xff, (col >> 16) & 0xff, (col >> 24) & 0xff);
-
- imguiGraphFontTextureEnable();
-
- // assume orthographic projection with units = screen pixels, origin at top left
- const float ox = x;
-
- while (*text)
- {
- int c = (unsigned char)*text;
- if (c == '\t')
- {
- for (int i = 0; i < 4; ++i)
- {
- if (x < g_tabStops[i] + ox)
- {
- x = g_tabStops[i] + ox;
- break;
- }
- }
- }
- else if (c >= 32 && c < 128)
- {
- stbtt_aligned_quad q;
- getBakedQuad(g_cdata, 512, 512, c - 32, &x, &y, &q);
-
- imguiGraphTexCoord2f(q.s0, q.t0);
- imguiGraphVertex2f(q.x0, q.y0);
- imguiGraphTexCoord2f(q.s1, q.t1);
- imguiGraphVertex2f(q.x1, q.y1);
- imguiGraphTexCoord2f(q.s1, q.t0);
- imguiGraphVertex2f(q.x1, q.y0);
-
- imguiGraphTexCoord2f(q.s0, q.t0);
- imguiGraphVertex2f(q.x0, q.y0);
- imguiGraphTexCoord2f(q.s0, q.t1);
- imguiGraphVertex2f(q.x0, q.y1);
- imguiGraphTexCoord2f(q.s1, q.t1);
- imguiGraphVertex2f(q.x1, q.y1);
- }
- ++text;
- }
-
- imguiGraphFontTextureDisable();
-}
-
-
-void imguiGraphDraw()
-{
- const imguiGfxCmd* q = imguiGetRenderQueue();
- int nq = imguiGetRenderQueueSize();
-
- const float s = 1.0f / 8.0f;
-
- imguiGraphRecordBegin();
-
- imguiGraphDisableScissor();
- for (int i = 0; i < nq; ++i)
- {
- const imguiGfxCmd& cmd = q[i];
- if (cmd.type == IMGUI_GFXCMD_RECT)
- {
- if (cmd.rect.r == 0)
- {
- drawRect((float)cmd.rect.x*s + 0.5f, (float)cmd.rect.y*s + 0.5f,
- (float)cmd.rect.w*s - 1, (float)cmd.rect.h*s - 1,
- 1.0f, cmd.col);
- }
- else
- {
- drawRoundedRect((float)cmd.rect.x*s + 0.5f, (float)cmd.rect.y*s + 0.5f,
- (float)cmd.rect.w*s - 1, (float)cmd.rect.h*s - 1,
- (float)cmd.rect.r*s, 1.0f, cmd.col);
- }
- }
- else if (cmd.type == IMGUI_GFXCMD_LINE)
- {
- drawLine(cmd.line.x0*s, cmd.line.y0*s, cmd.line.x1*s, cmd.line.y1*s, cmd.line.r*s, 1.0f, cmd.col);
- }
- else if (cmd.type == IMGUI_GFXCMD_TRIANGLE)
- {
- if (cmd.flags == 1)
- {
- const float verts[3 * 2] =
- {
- (float)cmd.rect.x*s + 0.5f, (float)cmd.rect.y*s + 0.5f,
- (float)cmd.rect.x*s + 0.5f + (float)cmd.rect.w*s - 1, (float)cmd.rect.y*s + 0.5f + (float)cmd.rect.h*s / 2 - 0.5f,
- (float)cmd.rect.x*s + 0.5f, (float)cmd.rect.y*s + 0.5f + (float)cmd.rect.h*s - 1,
- };
- drawPolygon(verts, 3, 1.0f, cmd.col);
- }
- if (cmd.flags == 2)
- {
- const float verts[3 * 2] =
- {
- (float)cmd.rect.x*s + 0.5f, (float)cmd.rect.y*s + 0.5f + (float)cmd.rect.h*s - 1,
- (float)cmd.rect.x*s + 0.5f + (float)cmd.rect.w*s / 2 - 0.5f, (float)cmd.rect.y*s + 0.5f,
- (float)cmd.rect.x*s + 0.5f + (float)cmd.rect.w*s - 1, (float)cmd.rect.y*s + 0.5f + (float)cmd.rect.h*s - 1,
- };
- drawPolygon(verts, 3, 1.0f, cmd.col);
- }
- }
- else if (cmd.type == IMGUI_GFXCMD_TEXT)
- {
- drawText(cmd.text.x, cmd.text.y, cmd.text.text, cmd.text.align, cmd.col);
- }
- else if (cmd.type == IMGUI_GFXCMD_SCISSOR)
- {
- if (cmd.flags)
- {
- imguiGraphEnableScissor(cmd.rect.x, cmd.rect.y, cmd.rect.w, cmd.rect.h);
- }
- else
- {
- imguiGraphDisableScissor();
- }
- }
- }
- imguiGraphDisableScissor();
-
- imguiGraphRecordEnd();
-}
-
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