Update textures.c
Added DrawNinePatch() function implementation.
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Jorge A. Gomes
GitHub
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c9ca14e659
commit
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219
src/textures.c
219
src/textures.c
@ -2330,6 +2330,225 @@ void DrawTexturePro(Texture2D texture, Rectangle sourceRec, Rectangle destRec, V
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}
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}
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void DrawNinePatch(NinePatch ninePatch, Rectangle destRec, bool usePadding, Vector2 origin, float rotation, Color tint)
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{
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// Check if n-patch texture is valid
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if (ninePatch.texture.id > 0)
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{
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float width = (float)ninePatch.texture.width;
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float height = (float)ninePatch.texture.height;
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float contentsWidth = (destRec.width >= ninePatch.minSize.x)? destRec.width : ninePatch.minSize.x;
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float contentsHeight = (destRec.height >= ninePatch.minSize.y)? destRec.height : ninePatch.minSize.y;
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if (usePadding)
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{
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contentsWidth += (float)(ninePatch.padding[0] + ninePatch.padding[2]);
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contentsHeight += (float)(ninePatch.padding[1] + ninePatch.padding[3]);
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}
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if (ninePatch.sourceRec.width < 0) ninePatch.sourceRec.x -= ninePatch.sourceRec.width;
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if (ninePatch.sourceRec.height < 0) ninePatch.sourceRec.y -= ninePatch.sourceRec.height;
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rlEnableTexture(ninePatch.texture.id);
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bool drawCenter = true;
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bool drawMiddle = true;
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float borderWidth[4]; // copy the ninePatch.borderWidth[4] values so they can be adjusted
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for (int i = 0; i < 4; i++) { borderWidth[i] = ninePatch.borderWidth[i]; }
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// adjust the lateral (left and right) border widths in case contentsWidth < ninePatch.texture.width
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if (contentsWidth <= ninePatch.borderWidth[0] + ninePatch.borderWidth[2])
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{
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drawCenter = false;
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borderWidth[0] = (borderWidth[0] / (ninePatch.borderWidth[0] + ninePatch.borderWidth[2])) * (borderWidth[0] + borderWidth[2]);
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borderWidth[2] = contentsWidth - borderWidth[0];
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}
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// adjust the lateral (top and bottom) border heights in case contentsHeight < ninePatch.texture.height
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if (contentsHeight <= ninePatch.borderWidth[1] + ninePatch.borderWidth[3])
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{
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drawMiddle = false;
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borderWidth[1] = (borderWidth[1] / (ninePatch.borderWidth[1] + ninePatch.borderWidth[3])) * (borderWidth[1] + borderWidth[3]);
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borderWidth[3] = contentsHeight - borderWidth[1];
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}
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Vector2 vertA, vertB, vertC, vertD;
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vertA.x = 0.0f;
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vertA.y = 0.0f;
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vertB.x = borderWidth[0];
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vertB.y = borderWidth[1];
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vertC.x = contentsWidth - borderWidth[2];
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vertC.y = contentsHeight - borderWidth[3];
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vertD.x = contentsWidth;
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vertD.y = contentsHeight;
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Vector2 coordA, coordB, coordC, coordD;
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coordA.x = ninePatch.sourceRec.x / width;
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coordA.y = ninePatch.sourceRec.y / height;
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coordB.x = (ninePatch.sourceRec.x + borderWidth[0]) / width;
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coordB.y = (ninePatch.sourceRec.y + borderWidth[1]) / height;
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coordC.x = (ninePatch.sourceRec.x + ninePatch.sourceRec.width - borderWidth[2]) / width;
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coordC.y = (ninePatch.sourceRec.y + ninePatch.sourceRec.height - borderWidth[3]) / height;
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coordD.x = (ninePatch.sourceRec.x + ninePatch.sourceRec.width) / width;
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coordD.y = (ninePatch.sourceRec.y + ninePatch.sourceRec.height) / height;
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rlPushMatrix();
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if (usePadding)
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{
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rlTranslatef(destRec.x - (float)ninePatch.padding[0], destRec.y - (float)ninePatch.padding[2], 0);
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}
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else
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{
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rlTranslatef(destRec.x, destRec.y, 0);
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}
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rlRotatef(rotation, 0, 0, 1);
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rlTranslatef(-origin.x, -origin.y, 0);
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rlBegin(RL_QUADS);
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rlColor4ub(tint.r, tint.g, tint.b, tint.a);
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rlNormal3f(0.0f, 0.0f, 1.0f); // Normal vector pointing towards viewer
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// ------------------------------------------------------------
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// TOP-LEFT QUAD
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// Bottom-left corner for texture and quad
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rlTexCoord2f(coordA.x, coordB.y); rlVertex2f(vertA.x, vertB.y);
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// Bottom-right corner for texture and quad
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rlTexCoord2f(coordB.x, coordB.y); rlVertex2f(vertB.x, vertB.y);
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// Top-right corner for texture and quad
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rlTexCoord2f(coordB.x, coordA.y); rlVertex2f(vertB.x, vertA.y);
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// Top-left corner for texture and quad
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rlTexCoord2f(coordA.x, coordA.y); rlVertex2f(vertA.x, vertA.y);
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if (drawCenter)
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{
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// TOP-CENTER QUAD
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// Bottom-left corner for texture and quad
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rlTexCoord2f(coordB.x, coordB.y); rlVertex2f(vertB.x, vertB.y);
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// Bottom-right corner for texture and quad
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rlTexCoord2f(coordC.x, coordB.y); rlVertex2f(vertC.x, vertB.y);
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// Top-right corner for texture and quad
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rlTexCoord2f(coordC.x, coordA.y); rlVertex2f(vertC.x, vertA.y);
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// Top-left corner for texture and quad
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rlTexCoord2f(coordB.x, coordA.y); rlVertex2f(vertB.x, vertA.y);
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}
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// TOP-RIGHT QUAD
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// Bottom-left corner for texture and quad
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rlTexCoord2f(coordC.x, coordB.y); rlVertex2f(vertC.x, vertB.y);
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// Bottom-right corner for texture and quad
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rlTexCoord2f(coordD.x, coordB.y); rlVertex2f(vertD.x, vertB.y);
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// Top-right corner for texture and quad
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rlTexCoord2f(coordD.x, coordA.y); rlVertex2f(vertD.x, vertA.y);
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// Top-left corner for texture and quad
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rlTexCoord2f(coordC.x, coordA.y); rlVertex2f(vertC.x, vertA.y);
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if (drawMiddle)
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{
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// ------------------------------------------------------------
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// MIDDLE-LEFT QUAD
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// Bottom-left corner for texture and quad
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rlTexCoord2f(coordA.x, coordC.y); rlVertex2f(vertA.x, vertC.y);
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// Bottom-right corner for texture and quad
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rlTexCoord2f(coordB.x, coordC.y); rlVertex2f(vertB.x, vertC.y);
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// Top-right corner for texture and quad
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rlTexCoord2f(coordB.x, coordB.y); rlVertex2f(vertB.x, vertB.y);
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// Top-left corner for texture and quad
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rlTexCoord2f(coordA.x, coordB.y); rlVertex2f(vertA.x, vertB.y);
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if (drawCenter)
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{
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// MIDDLE-CENTER QUAD
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// Bottom-left corner for texture and quad
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rlTexCoord2f(coordB.x, coordC.y); rlVertex2f(vertB.x, vertC.y);
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// Bottom-right corner for texture and quad
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rlTexCoord2f(coordC.x, coordC.y); rlVertex2f(vertC.x, vertC.y);
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// Top-right corner for texture and quad
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rlTexCoord2f(coordC.x, coordB.y); rlVertex2f(vertC.x, vertB.y);
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// Top-left corner for texture and quad
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rlTexCoord2f(coordB.x, coordB.y); rlVertex2f(vertB.x, vertB.y);
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}
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// MIDDLE-RIGHT QUAD
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// Bottom-left corner for texture and quad
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rlTexCoord2f(coordC.x, coordC.y); rlVertex2f(vertC.x, vertC.y);
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// Bottom-right corner for texture and quad
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rlTexCoord2f(coordD.x, coordC.y); rlVertex2f(vertD.x, vertC.y);
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// Top-right corner for texture and quad
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rlTexCoord2f(coordD.x, coordB.y); rlVertex2f(vertD.x, vertB.y);
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// Top-left corner for texture and quad
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rlTexCoord2f(coordC.x, coordB.y); rlVertex2f(vertC.x, vertB.y);
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}
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// ------------------------------------------------------------
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// BOTTOM-LEFT QUAD
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// Bottom-left corner for texture and quad
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rlTexCoord2f(coordA.x, coordD.y); rlVertex2f(vertA.x, vertD.y);
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// Bottom-right corner for texture and quad
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rlTexCoord2f(coordB.x, coordD.y); rlVertex2f(vertB.x, vertD.y);
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// Top-right corner for texture and quad
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rlTexCoord2f(coordB.x, coordC.y); rlVertex2f(vertB.x, vertC.y);
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// Top-left corner for texture and quad
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rlTexCoord2f(coordA.x, coordC.y); rlVertex2f(vertA.x, vertC.y);
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if (drawCenter)
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{
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// BOTTOM-CENTER QUAD
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// Bottom-left corner for texture and quad
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rlTexCoord2f(coordB.x, coordD.y); rlVertex2f(vertB.x, vertD.y);
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// Bottom-right corner for texture and quad
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rlTexCoord2f(coordC.x, coordD.y); rlVertex2f(vertC.x, vertD.y);
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// Top-right corner for texture and quad
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rlTexCoord2f(coordC.x, coordC.y); rlVertex2f(vertC.x, vertC.y);
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// Top-left corner for texture and quad
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rlTexCoord2f(coordB.x, coordC.y); rlVertex2f(vertB.x, vertC.y);
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}
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// BOTTOM-RIGHT QUAD
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// Bottom-left corner for texture and quad
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rlTexCoord2f(coordC.x, coordD.y); rlVertex2f(vertC.x, vertD.y);
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// Bottom-right corner for texture and quad
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rlTexCoord2f(coordD.x, coordD.y); rlVertex2f(vertD.x, vertD.y);
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// Top-right corner for texture and quad
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rlTexCoord2f(coordD.x, coordC.y); rlVertex2f(vertD.x, vertC.y);
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// Top-left corner for texture and quad
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rlTexCoord2f(coordC.x, coordC.y); rlVertex2f(vertC.x, vertC.y);
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rlEnd();
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rlPopMatrix();
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rlDisableTexture();
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}
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}
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//----------------------------------------------------------------------------------
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// Module specific Functions Definition
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//----------------------------------------------------------------------------------
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